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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L-1₹1.5 CrAccepted-AOC V P O GANVI TEH RAMPUR DISTT SHIMLA | GANVI | SHIMLA | HIMACHAL PRADESH | ₹1.5 Cr | L-1 | Accepted-AOC Works awarded to lowest bidder |
| 2 | L-2₹1.5 Cr+₹6.5 L (4.37%)Rejected-Finance | ₹1.5 Cr+₹6.5 L (4.37%) | L-2 | Rejected-Finance Higher Amount |
| 3 | L-3₹1.8 Cr+₹32.4 L (21.9%)Rejected-Finance HIMACHAL PRADESH HP | HAMIRPUR | HIMACHAL PRADESH | 174304 | ₹1.8 Cr+₹32.4 L (21.9%) | L-3 | Rejected-Finance Higher Amount |
| 4 | L-4₹2.3 Cr+₹77.3 L (52.3%)Rejected-Finance | ₹2.3 Cr+₹77.3 L (52.3%) | L-4 | Rejected-Finance Higher Amount |
Tender Value
₹2.2 Cr
EMD Value
₹2.5 L
Closing Date
24 Sept 2024, 11:00 amClosed
Execurive Engineer
Jal Shakti Vibhag Division Nalagarh District Solan HP
Replacement of old pumping machinery in IPH Sub Division Ramshehar within only Nalagarh Constituency District Solan HP Sub Head Replacement of centrifugal pumping machinery along with allied accessories
2024_HPIPH_93087_1
6400-40 dated 12-09-2024
Open Tender
Civil Works
Item Rate
365 days
Ramshehar
Please refer Tender documents.
8 documents required · 8 mandatory
₹2,500
₹2.5 L
Yes
12 Mar 2025
13 Sept 2024
24 Sept 2024
13 Sept 2024
24 Sept 2024
13 Sept 2024
Amount
LWSS MITTIAN BEHLI 1ST:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 1.06 to 1.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Total Head = 409.80
Discharge of each Pump set = 4.12 LPS
Diameter of Rising Main = 80 mm
Length of Rising Main = 2610 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ----------mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge (in LPS) of each pump set. =4.12 LPS
Total head (in Mts).:- = 409.80 meter.
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) 367.83 mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of R/Main (in metres):- =2610 meter
Diameter of R/Main (in mm):- =80 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 1.01 = 409.80
b) (+)10 % of head as mentioned in item 1.01 = 450.78
c) (-) 15 % of head as mentioned in item 1.01 = 348.33
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC /Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/ Kilburn/IVC/Fouress /Gled/BHEL/ Pelicon make cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 1.01(+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 1.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/ Leader/Pelicon make of suitable size Cast Steel double flanged swing/check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.1.03 for withstanding nominal seat pressure as per item No.1.01(+) surge pressure & confirming to BIS/API-standards with upto date ammendment for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 50 mm² (Supply side)
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 20 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 13 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe and coman header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The pipes delivery line and coman header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 1.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. size of piping work shall be 50x65x80 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (MG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (MG) pipe of 80 mm diameter confirming to BIS1239 Part-1 latest with upto date amendments with wall thickness 4.00 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS MITTIAN BEHLI 2ND STAGE:- Supply & erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 14.06 to 14.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 385.88
Discharge of each Pump set = 4.12 LPS
Diameter of Rising Main = 80 mm
Length of Rising Main = 2010 meter
SITE CONDITIONS:- Location of Site:- 2nd stage
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- --------------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge (in LPS) of each pump set. =4.12 LPS
Total head (in Mts).:- = 385.88 meter.
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) 352.89 mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of R/Main (in metres):- =2010 meter
Diameter of R/Main (in mm):- =80 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 14.01 = 385.88
b) (+)10 % of head as mentioned in item 14.01 = 424.47
c) (-) 15 % of head as mentioned in item 14.01 = 328.00
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e). ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
supply and fixing at site of Leader/KSB/Kirloskar/Kilburn /IVC/Fouress/ Gled/ BHEL/ Pelicon make, cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 14.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 14.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/ Gled/ BHEL/ Leader/ Pelicon make of suitable size Cast Steel double flanged swing/check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.14.03 for withstanding nominal seat pressure as per item No.14.01(+) surge pressure. confirming to BIS/API standards with upto date ammendment for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 35 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm² (Motor side),
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 11 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & Coman Header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 14.01. or total dynamic pressure(+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 50x65x80 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (MG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (MG) Pipe of 80 mm diameter confirming to BIS 1239 part-1 latest with upto date amendments with wall thickness 4.00 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS MITTIAN BEHLI 3RD STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 27.06 to 27.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 87.00
Discharge of each Pump set = 1.50 LPS
Diameter of Rising Main = 40 mm
Length of Rising Main = 670 meter
SITE CONDITIONS:- Location of Site:- 3rd stage
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class-B-
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge (in LPS) of each pump set. =1.50 LPS
Total head (in Mts).:- = 87.00 meter.
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of R/Main (in metres):- = 670 meter
Diameter of R/Main (in mm):- =40 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 27.01 = 87.00
b) (+)10 % of head as mentioned in item 27.01 = 95.70
c) (-) 15 % of head as mentioned in item 27.01 = 73.95
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e). ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/ Fouress/Gled/ BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 27.01(+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 27.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/ Gled/ BHEL/ Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No. 27.03 for withstanding nominal seat pressure as per item No.27.01 (+) surge pressure. Confirming to BIS/API- standards with up to date amendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 4 mm² (Supply side)
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 2.50 mm²(Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 3 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & fixing double flanged suction, delivery pipe common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 27.01. or total dynamic pressure (+) surge pressure whichever is more. The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 32x40x40 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG)pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) pipe of 40 mm diameter confirming to BIS1239 part-1 latest with upto date amendments with wall thickness 4.00 mm . The MS plate flanges to be used for Jointing shall be of flange table-17.
LWSS GUNAH GELU:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 40.06 to 40.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 369.00
Discharge of each Pump set = 3.29 LPS
Diameter of Rising Main = 50 mm
Length of Rising Main = 700 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- --------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 3.29 LPS
Total Head =3.69.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main =700 meter
Dia meter of Rising main = 50 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 40.01 = 369.00
b) (+)10 % of head as mentioned in item 40.01 = 405.90
c) (-) 15 % of head as mentioned in item 40.01 = 313.65
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC /Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g)Earth leakage circuit breaker/relay of recommended make such as Kilburn /L&T /MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/ Gled/ BHEL/Pelicon make of cast steel double flanged sluice valve of class ASA-400 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 40.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 40.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/ Gled/ BHEL/ Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No. 40.03 for withstanding nominal seat pressure as per item No.40.01 (+) surge pressure. confirming to BIS/API Standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 25 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 9 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 40.01. or total dynamic pressure(+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 50x50x50 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG)pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) pipe of 50 mm diameter confirming to BIS 1239 part-1 latest with upto date amendments with wall thickness 4.50 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS JAGGAR:-Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 53.06 to 53.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 196.08
Discharge of each Pump set = 2.98 LPS
Diameter of Rising Main = 50 mm
Length of Rising Main = 690 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------ mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 2.98 LPS
Total Head =196.08
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) 139.66 mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main =690 meter
Diameter of Rising main = 50 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 53.01 = 196.08
b) (+)10 % of head as mentioned in item 53.01 = 215.69
c) (-) 15 % of head as mentioned in item 53.01 = 166.67
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j).Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/Gled/ BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 53.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing /check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 53.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/ Gled/ BHEL/ Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.53.03 for withstanding nominal seat pressure as per item No.53.01 (+) surge pressure. confirming to BIS/API standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 10 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 4 mm² ( Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 5 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 53.01. or total dynamic pressure (+) surge pressure whichever is more. The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 40x50x50 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG)pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) pipe of 50 mm diameter confirming to BIS1239 part-1 latest with upto date amendments with wall thickness 4.50 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS BUKHARI DA GHAT:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 66.06 to 66.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Total Head = 228.00
Discharge of each Pump set = 2.45 LPS
Diameter of Rising Main = 50 mm
Length of Rising Main = 1890 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------ mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 2.45 LPS
Total Head = 228.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising Main = 1890 meter
Diameter of Rising main = 50 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 66.01 = 228.00
b) (+)10 % of head as mentioned in item 66.01 = 250.80
c) (-) 15 % of head as mentioned in item 66.01 = 193.80
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard /Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/ GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/ IVC/Fouress/Gled/ BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 66.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing /check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 66.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/ BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.66.03 for withstanding nominal seat pressure as per item No.66.01 (+) surge pressure. confirming to BIS/ API- standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 10 mm² (Supply side)
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 4 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 5 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe and common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 66.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 40x50x50 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) pipe of 50 mm diameter confirming to BIS 1239 part-1 latest with upto date amendments with wall thickness 4.50 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS KHALI SUNAHNI 1ST STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 79.06 to 79.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 411.00
Discharge of each Pump set = 3.39 LPS
Diameter of Rising Main = 40 mm
Length of Rising Main = 1350 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ----- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 3.39 LPS
Total Head = 411.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main =1350 meter
Diameter of Rising main = 40 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 79.01 = 411.00
b) (+)10 % of head as mentioned in item 79.01 = 452.10
c) (-) 15 % of head as mentioned in item 79.01 = 349.35
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/ Siemen /Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/ Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-600 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 79.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 79.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.79.03 for withstanding nominal seat pressure as per item No. 79.01 (+) surge pressure.confirming to BIS/API-standards with upto date ammendment for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 35 mm² (Supply side)
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 11 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 79.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 50x65x40 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be steel pipe grade AOIL-210 confirming to IS/ISO 3183 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of steel pipe of 40 mm diameter confirming to IS/ISO- 3183 latest with upto date amendments with wall thickness 5.10 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS KHALI SUNAHNI 2ND STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 92.06 to 92.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 411.00
Discharge of each Pump set = 3.39 LPS
Diameter of Rising Main = 40 mm
Length of Rising Main = 2280 meter
SITE CONDITIONS:- Location of Site:- 1st stage Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ---- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 3.39 LPS
Total Head = 411.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 2280 meter
Diameter of Rising main = 40 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 92.01 = 411.00
b) (+)10 % of head as mentioned in item 92.01 = 452.10
c) (-) 15 % of head as mentioned in item 92.01 = 349.35
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e). ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g)Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/ Fouress/Gled/ BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-600 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 92.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing /check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 92.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No. 92.03 for withstanding nominal seat pressure as per item No.92.01 (+) surge pressure. confirming to BIS/API standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 35 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm²(Moror side)
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 11 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe and common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 92.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 50x65x40 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be steel pipe confirming to IS/ISO 3183 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of steel pipe of 40 mm diameter of grade AOIL-210 confirming to IS/ISO- 3183 latest with upto date amendments with wall thickness 5.10 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS MITTIAN:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 105.06 to 105.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 245.00
Discharge of each Pump set = 2.78 LPS
Diameter of Rising Main = 50 mm
Length of Rising Main = 980 meter
SITE CONDITIONS:- Location of Site:- Sump well
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------ mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 2.78 LPS
Total Head =245.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 980 meter
Diameter of Rising main =50 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 105.01 = 245.00
b) (+)10 % of head as mentioned in item 105.01 = 269.50
c) (-) 15 % of head as mentioned in item 105.01 = 208.25
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/ Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f).Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g)Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/ IVC/ Fouress/ Gled/ BHEL/Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 105.01(+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing /check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 105.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing/ check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.105.03 for withstanding nominal seat pressure as per item No.105.01 (+) surge pressure. confirming to BIS/API standards with upto date ammendment for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 6 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 6 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing Fixing double flanged suction, delivery pipe and common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header line shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 105.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 40x50x50 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) pipe of 50 mm diameter confirming to BIS 1239 Part-1 latest with upto date amendments with wall thickness 4.50 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS KWARNI GENDU KI DHAR 1ST STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 118.06 to 118.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 337.00
Discharge of each Pump set = 12.50 LPS
Diameter of Rising Main = 150 mm
Length of Rising Main = 1770 meter
SITE CONDITIONS:- Location of Site:- Spring Source
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ---------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 12.50 LPS
Total Head = 337.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 1770 meter
Diameter of Rising main =150 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 118.01 = 337.00
b) (+)10 % of head as mentioned in item 118.01 = 370.70
c) (-) 15 % of head as mentioned in item 118.01 = 286.45
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c).ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d).Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e). ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/ GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/ Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 118.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 118.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/IVC/Fouress/ Gled/BHEL/ Leader/ Pelicon make of suitable size Cast Steel double flanged swing/ check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.118.03 for withstanding nominal seat pressure as per item No.118.01 (+) surge pressure. confirming to BIS/API standards with upto date ammendment of Rsing main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 120 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 70 mm² (Motor side),
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 31 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe comon header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 5.01. or total dynamic pressure(+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 80x125x150 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (MG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (MG) pipe of 150 mm diameter confirming to BIS 1239 Part -1 latest with upto date amendments with wall thickness 4.80 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS KWARNI GENDU KI DHAR 2nd STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 181.06 to 181.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 495.00
Discharge of each Pump set = 12.85 LPS
Diameter of Rising Main = 150 mm
Length of Rising Main = 1800 meter
SITE CONDITIONS:- Location of Site:- Spring Source
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 12.85 LPS
Total Head = 495.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 1800 meter
Diameter of Rising main =150 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 131.01 = 495.00
b) (+)10 % of head as mentioned in item 131.01 = 544.50
c) (-) 15 % of head as mentioned in item 131.01 = 420.75
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c).ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d).Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f).Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g)Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-400 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 131.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 131.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing/ check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.131.03 for withstanding nominal seat pressure as per item No.131.01 and surge pressure. confirming to BIS/API-standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 300 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 150 mm² (Motor side)
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 40 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 131.01. or total dynamic pressure (+) surge pressure whichever is more. The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 100x125x150 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (MG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (MG) pipe of 150 mm diameter confirming to BIS1239 Part-1 latest with upto date amendments with wall thickness 4.80 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS BANI:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 144.06 to 144.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 218.00
Discharge of each Pump set = 2.78 LPS
Diameter of Rising Main = 40 mm
Length of Rising Main = 1050 meter
SITE CONDITIONS:- Location of Site:- Spring Source
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ---------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 2.78 LPS
Total Head = 218.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 1050 meter
Diameter of Rising main =40 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 144.01 = 218.00
b) (+)10 % of head as mentioned in item 144.01 = 239.80
c) (-) 15 % of head as mentioned in item 144.01 = 185.30
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c).ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e). ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/ GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-400 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 140.01(+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 144.01 and surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.144.03 for withstanding nominal seat pressure as per item No.144.01 (+) surge pressure. confirming to BIS/API- staindards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 10 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 40 mm² (Moror side)
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 5 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 144.01. or total dynamic pressure(+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 40x50x40 mm (delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG)pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI(HG) pipe of 40 mm diameter confirming to BIS 1239 Part-1 latest with upto date amendments with wall thickness 4.00 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS NAND 1st STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 157.06 to 157.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 450.00
Discharge of each Pump set = 5.00 LPS
Diameter of Rising Main = 80 mm
Length of Rising Main = 1650 meter
SITE CONDITIONS:- Location of Site:- Spring Source
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ----------mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 5.00 LPS
Total Head = 450.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 1650 meter
Diameter of Rising main =80 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 157.01 = 450.00
b) (+)10 % of head as mentioned in item 157.01 = 495.00
c) (-) 15 % of head as mentioned in item 157.01 = 382.50
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen & Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d).Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f). Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g)Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j).Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-400 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 157.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/Pelicon/ KSB make of suitable size cast steel of class ASA-600 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 157.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing/ check type reflux valve of class ASA- 600 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.157.03 for withstanding nominal seat pressure as per item No.157.01 (+) surge pressure. confirming to BIS/API-standards with upto date ammendments for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 70 mm² (Supply side).
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 35 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 16 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 5.01. or total dynamic pressure(+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 65x80x80 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (HG)pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (HG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (HG) Pipe of 80 mm diameter confirming to BIS1239 part-1 latest with upto date amendments with wall thickness 4.80 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
LWSS NAND 2nd STAGE:- Supply, erection, testing & commissioning of horizontal spindle, horizontal split casing, radial split Single,/Multi stages centrifugal pumps of standard make such as KSB/ Mather & Platt/ Jyoti / Kirloskar/ Beacon weir /BS & BE conforming to BIS 1520-1980 with upto date amendments read with BIS 9137-1978 or latest edition to handle clear water having charteristics as mentioned in item 170.06 to 170.14 as under, with impellers, casing ring, priming funnels & shaft sleeves of bronze, shaft of stainless steel with cast iron casing of suitable capacity coupled directly through a flexible coupling on a common base plate of cast steel /Mild steel to BHEL /Kirloskar/ NGEF/ Crompton / Siemen/Jyoti /GEC make energy efficient three phase squirrel cage electric induction motor having energy efficiency level IE -2 or higher suitable for operation on the data given below including the cost of all accessories in all leads and lifts and carriage of material of site and as per the direction of Engineer in Charge.
Tota Head = 330.00
Discharge of each Pump set = 5.00 LPS
Diameter of Rising Main = 80 mm
Length of Rising Main = 1345 meter
SITE CONDITIONS:- Location of Site:- Spring Source
The altitude of place in which the motor is intended to work in ordinary service (in meters) :- ------- mtr
Humidity:- Weather generally remains humid during monsoon season.
Nature of atmosphere:- As normally encountered in Shivalik Range
Detail of quality of water:- Clear cold water.
Water free from sand or not :- not
Water corrosive or not :- not
Turbidity (if any):- upto 50 PPM
NPSH available:- Positive suction
Any other information or requirement:-
OPERATING CONDITIONS:-
Type of current:- AC three/single phase
Operating frequency:- 50 HZ
Rated voltage:- 415 (+/-) 15 volts
System of earthing if any to be adopted :- Double loop earthling as per BIS 3043-1987 latest with upto date amendments
No. of working hours per day:- 8 hours
Speed of revolution in RPM:- To be quoted by tenderer
Direction of rotation:- To be quoted by tenderer
The max. Temp. of cooling air & water in the place in which the motor is indented to work in ordinary service 35 0C.
MOTOR:- Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest) with upto date amendments
Type of enclosure of motor:- SPDP(as per BIS 4691-1985 (latest)
Type of duty:- Continuous as per IS-12824-1989 or latest with up to date amendments.
Mechanical output in KW:- Suitable for driving centrifugal pumps required for duties specified against pumps. To avoid overloading of motor a margin of about 15-20% may be kept in the rated output of prime mover.
Class of insulation:- Class ~B~
Maximum. Permissible temperature rise of motor reqd. if different from given in B(viii) above:- To be specified by the Tenderer.
Particulars of test reqd. & where they are to be conducted:- As per terms & conditions
Particulars as to whether voltage limiting device will be employed: - star delta starter, oil immersed, fully automatic to be installed between bus bar & motor Shunt capacitor is also proposed to be installed for improving the power factor at site. (NOTE:- Star delta starter upto 37.5 KW, ATS between 37.5 KW & above.
Type of Motor:- As per BIS 325-1978 or latest with upto date amendments.
Details of shaft extension reqd.:-To work with the pump offered.
Breakaway torque in terms of rated load torque & the corresponding breakaway starting current which may be taken from the supply with the starting apparatus in circuit. Breakaway torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current.
Nature of load & any information regarding the driven machine which has a bearing upon the torque reqd. during the accelerated period, the kinetic energy of the moving parts to be accelerated & No. of starts during a specified period.:- Sufficient to work the pump offered
Where possible fault capacity of the system to which the motor is connected. The motor should be able to withstand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.
PUMP : BIS 1520-1980 read with BIS 9137-1978 both with up to date amendments
Nos. of pumps reqd.:- 2 Nos. (One set will act as stand bye)
Spare parts required:- For two years normal maintenance as recommended by manufacturer.
Optional fittings reqd.:-
PUMP OPERATING CONDITIONS:-
Discharge of each pump set = 5.00 LPS
Total Head = 330.00
If total head is not known then
following details be provided:-
i) Static head ( in mtrs) mtrs
ii) Minimum depth of water( in mtrs)
iii) Variation in water level ( in mtrs)
iv) Ground level to max. water level ( in mtrs)
v) Ground level to delivery point ( in mtrs)
vi) Pressure in the suction tank (in Kg/cm^2 )
vii) Pressure in the delivery tank (in Kg/cm^2 )
Length of Rising main = 1345 meter
Diameter of Rising main =80 mm
Drive arrangement:- Direct through flexible coupling on a common base plate
Drive type:- Electric driven
NPSH reqd.:- To be quoted by the tenderer
Limits of total head in which the pump is reqd. to operate.- (-) 15% to (+) 10% of total head.
Suction/delivery size of pump:- To be specified by the tenderer
Efficiency of pump at:- a) duty head as mentioned in item 170.01 = 330.00
b) (+)10 % of head as mentioned in item 170.01 = 363.00
c) (-) 15 % of head as mentioned in item 170.01 = 280.5.50
Material of construction:- To be specified by the tenderer (manufacturers certificate to be appended)
Supplying and installation at site direct on line/ oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Turbo conforming to BIS-8544-1979 latest with up to date amendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with initial oil filling .Note:- Star delta starter upto 37.5 KW, ATS between 37.5 to 50 KW and starter rotor starter beyond 50KW.
Providing and fixing at site M.S. sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angle iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessories including cost of P/F of these accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.
c). ICTP switches with HRC fuses of Kilburn/Larsen&Tubro/Standard/Siemen/ Havells make and having capacity 30% extra of the operational rating of motor as per BIS 4064-1978 with upto date amendments immediately after the power meter of HPSEB.
d). Busbar chamber having three copper bars of suitable rating for full length equal to width of board of three live phases and one copper bar of half rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.
e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/ Standard make on incoming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date amendments with initial oil filling whenever required & neutral linked under voltage release.
f).Three phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date amendments.
g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/ MET/GEC conforming to BIS-2516-1977 with upto date amendments and of suitable range which should have control box, operating handle and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet fitted earth fault for tripping of breaker on occurrence of earth fault on/ off breaker load side.
h).Hour run meter of reputed make of four digit capacity conforming to BIS-722 (latest edition)/recommendations.
i).Suitable three phase voltage monitor relay with all protections & usual indicators with electric sirens against single phasing, low voltage, high voltage & overloading & phase voltage difference as per IS-3842 with up to date amendments.
j). Single phase preventer of reputed make & suitable capacity conforming to IS:1248 (P-V)-1983 with up to date amendments
Supply and fixing at site of Leader/KSB/Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/ Pelicon make of cast steel double flanged sluice valve of class ASA-300 having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 170.01 (+) surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .
Supply and fixing at site of Kirloskar /Kilburn /IVC/ Fouress /Gled /BHEL /Leader/ Pelicon/ KSB make of suitable size cast steel of class ASA-300 double flanged swing/ check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No. 170.01 (+) surge pressure & conforming to BIS/ API-standards with up to date amendments for delivery line of pump.
Supply and fixing at site of KSB/ Kirloskar/ Kilburn/ IVC/ Fouress/Gled/BHEL/Leader/ Pelicon make of suitable size Cast Steel double flanged swing /check type reflux valve of class ASA- 300 having bye pass arrangement & size equal to dia of R/main as mentioned in item No.170.03 for withstanding nominal seat pressure as per item No. 170.01 (+) surge pressure. confirming to BIS/API-standards with upto date ammendment for rising main.
Supply and fixing at site of KSB/ Leader /Kirloskar / Jyoti/ Standard/Kilburn/Pelicon make cast iron sluice valve of class PN 1.0 (In case suction lift is +ve) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 1.50 mtr/sec. with strainer having net area of its openings equal to three to four times of the x-section area of flow in suction pipe conforming to BIS 780-1992 or latest with up to date amendments i/c cost of carriage of material and as directed by the Engineer-in-charge.
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date amendments of Siemen/ Gloster/ ICC/EICO /National /IEC make from meter of HPSEB to circuit breaker & from circuit breaker to bus bar switch & starter (one cable carrying all three phases) including all other electrical equipment/ accessories such as thimbles ,flexible pipe ,solder ,nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 35 mm² (Supply side)
Providing, laying, jointing & testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date amendments of Siemen/ Gloster /ICC/ EICO/National / IEC make from switch to starter & starter to motor (one cable carrying all three phases) including all other electrical equipment /accesories such as thimbles,flexible pipes, solder, nuts & bolts, cable glands etc. laid in pipes or trenches under floor. The type, size & make will be subject to approval of HPSEB authorities. In case of non acceptance by HPSEB authorities it shall have to be replaced by the tenderer free of cost i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The size of cable shall be 16 mm² (Motor side).
Providing & laying at site double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments suitable for above motors & other electrical equipments i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge.
Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 or latest with upto date amendments of BHEL/GEC/Machneil/ Mager/Bajaj/L&T make to raise the prevailing power factor at site to 0.95 for direct connection to induction motor individually of required KVAR according to HP of motor offered including cable Siemens/Gloster/ICC make from busbar chamber to capacitor & also including L&T//Kilburn/Standard/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer) i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge i/c cost of carriage of material in all leads & lifts & as directed by the Engineer-in-charge. The capacitor shall be of 11 KVAR each.
Supply and fixing at site circular dial pressure gauge of suitable range & standard make such as Fiebeg/ Bourden/ Precision/ PREGA with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 or latest with up to date amendments.
Providing & Fixing double flanged suction, delivery pipe & common header pipes considering site requirements, NPSH required & available & common header having area equal to two times the area of delivery branch of pump including tapers, flanges, rubber gaskets 3mm thick as per BIS-2712-1978 nuts & bolts as per 1364-1983 & special up to 5 meters away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge. The delievery line and common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 170.01. or total dynamic pressure (+) surge pressure whichever is more . The size of suction pipe shall be one or two sizes larger than the suction size of pump such that velocity of flow in suction pipe is not more than 1.50 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of jointing delivery pipes and common header with R/Main complete in all respect. NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge. Size of piping work shall be 65x80x80 mm(delivery pipe, suction pipe and common header). The delivery pipe shall be GI (MG) pipe confirming to BIS 1239 Part-1 latest with upto date amendments and suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header shall however be of GI (MG) pipe of 80 mm diameter confirming to BIS 1239 part-1 latest with upto date amendments with wall thickness 4.00 mm . The MS plate flanges to be used for Jointing shall be of flange table-28.
HYDRAULIC ENGINEERING COMPANY (BID ID -439587)
Vijay Kumar (BID ID -438110)
dinesh kumar lath (BID ID -439982)
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