Providing LWSS from Rohan Khad to Talai/Cheog/ Raghora/ Kadharv/Sarion in GP Choeg Tehsil Theog Distt. Shimla HP (SH-Laying and jointing of fedder pipe line, P/L of Rising main for Booster, 1st and 2nd stage 80mm dia, S/E of pumping machinery f

Amount

Excavation in drains and channels etc. in earth work for pipes upto all depth in all classification of earth work such as pick work, jumper work, saturated soil including balling or pumping out water, blasting soft/hard rock or chiselling soft/hard rock where blasting is prohibited in all lifts including jungle clearance wherever required, trimming and dressing of sides, levelling of beds to correct grade including shoring/ struting, planking, timbering and dewatering wherever required stacking the useable/unusable material/soil separately and after laying and joining and testing of pipes, returning the useable soil in trenches in 15cm. layer including consolidating of such deposited layer by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for acess to houses, fencing etc. complete in all respect within all leads and lifts as per direction of the Engineer-in-charge.

Laying and jointing in trenches,galvanised mild steel tubes (Light grade) i/c tube fittings such as Tee, elbow, union & nipple.(earth work in trenches to be measured and paid for separately) i/c all leads and lifts and as per direction of Engineer-in-charge complete in all respect. Labour rate only.

15mm dia nominal bore.

20mm dia nominal bore.

25mm dia nominal bore.

Providing and fixing brass full way valve with wheel of superior quality complete in all respect i/c all leads and lifts and as per direction of Engineer-in-charge.

15mm dia nominal bore.

20mm dia nominal bore.

25mm dia nominal bore.

Providing laying jointing testing & commissioning at site in trenches galvanized API pipe pipes beveled ended IS/ISO:3183-2007 pipe confirming to IS/ISO :3183-2007 with latest with up to date ammendments having wall thickness as mentioned below & capable of withstanding required test pressure as prescibed in BIS code in random lengths of 5.5 to 6.5 mtr. The pipe ends shall be beveled sutiable for butt welding, including the cost of jointing with butt welding confirming to IS 816-1969 or latest as applicable and with welding upto date ammendments (leak proof) in three layers at site of work with welding rods of Advani/oerliken make /ISI marked ( welding rods 3mm to 4mm) and all allied accessories whatever required for welding at site including special short pieces, reducers, tail pieces tees, bends, & other specials manufactured from parent pipes as applicable to the particular reach and of approved specification as per site conditions. And cutting of pipes wherever required as per site requirement including carriage in all leads & lifts and as directed by the Engineer in charges. The laying of pipe shall include all operation such as cutting, welding, jointing, providing and fixing of MS flanges fabrication of bends, tee, valves, etc including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respect to the satisfaction of Engineer in Charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipe shall have zinc coating inside & outside confirming to IS 4736-1986 or latest with upto date ammedments & shall be engraved with API L- 210 A & API L-245 B . The laying shall confirm to BIS 5822-1970 or latest with upto date amendments to the enitre satisfaction of Engineer in Charge (Earth work & cost of MS flanges after 100 meter length shall be measured and paid for separately) inlcuding all leads lifts and carriage of materials at site and as per the direction of the entire satisfaction of the Engineer in Charge complete in all respects.

BOOSTER STAGE:-

R.D 0-700 Wall thickness 4.80 mm API L-210 A 80mm dia.

Ist. Stage:-

R.D 0-1800 Wall thickness 4.80 mm API L-245 B 80mm dia.

IInd. Stage:-

R.D 0-1400 Wall thickness 4.80 mm API L-210 A 65mm dia.

Laying and jointing in trenches galvanised mild steel tube (Medium grade) of 80 mm diameters conforming to IS-1239 as specified below jointed with butt welding according to relevant BIS code 816-1969 including all short pieces bends,tee and other specials etc. made from parent tubes as applicable for the particular reach and of approved specifications as per site conditions including flushing, cleaning and hydraulic testing complete to the best satisfaction of the Engineer-in-charge. The laying of pipes should conform to BIS code 5822-1970 within all leads and lifts complete in all respect.

R.D.0 to 200 wall thickness. 4.80mm G.I.(M) 80mm dia Booster stage.

Laying and jointing in trenches galvanised mild steel tube (heavy grade) of following diameters conforming to IS-1239 as specified below jointed with butt welding according to relevant BIS code 816-1969 including all short pieces bends,tee and other specials etc. made from parent tubes as applicable for the particular reach and of approved specifications as per site conditions including flushing, cleaning and hydraulic testing complete to the best satisfaction of the Engineer-in-charge. The laying of pipes should conform to BIS code 5822-1970 within all leads and lifts complete in all respect.

BOOSTER STAGE:-

R.D 700-800 G.I. pipe (H) 80mm dia.

Ist. Stage:-

R.D 1800-2370 G.I. pipe (H) 80mm dia.

IInd. Stage:-

R.D 1400-1680 G.I. pipe (H) 65mm dia.

Providing fixing and jointing of M.S.flanges conforming to BIS-6392-1971 (latest with upto date ammendment) flange dia, table and nominal pressure as specified below welded at both ends of pipes at an interval of 100 mtrs.(as per site condition for particular reach as required) according to relevant BIS Code 816-1962 and provided with nuts and bolts of required size as per BIS code 1364 including 3mm thick compressed asbestos fiber gasket of synthetic rubber gasket conforming to relevant BIS code 2712-1965 complete in all respect including all leads and lifts.

BOOSTER STAGE:-

R.D 0-300 80 mm dia Flange Table. 28 Nominal test pressure 4.00N/mm2

R.D 300-600 80 mm dia Flange Table. 17 Nominal test pressure 1.00N/mm2

R.D 600-800 80 mm dia Flange Table. 5 Nominal test pressure 0.60N/mm2

Ist. Stage:-

R.D 0-400 80 mm dia Flange Table. 34 Nominal test pressure 6.40N/mm2

R.D 400-1200 80 mm dia Flange Table. 28 Nominal test pressure 4.00N/mm2

R.D 1200-1800 80 mm dia Flange Table. 17 Nominal test pressure 1.00N/mm2

R.D 1800-2370 80 mm dia Flange Table. 5 Nominal test pressure 0.60N/mm2

IInd. Stage:-

R.D 0-1000 65 mm dia Flange Table. 28 Nominal test pressure 4.00N/mm2

R.D 1000-1400 65 mm dia Flange Table. 17 Nominal test pressure 1.00N/mm2

R.D 1400-1680 65 mm dia Flange Table. 5 Nominal test pressure 0.60N/mm2

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single, /Multistages centrifugal pumps or combination of pumps, in series/parallel of recommended make such as Mather and Platt/KSB//Becon weir/Kirloskar/ BE/Jyoti or any other make approved from Jal Shakti Vibhag as per BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to suitable for lifting Raw water for under mentioned characteristics with bronze impellers/ priming funnels casing ring and shaft sleaves or bronze. shaft of steel grade-with cast iron casing coupled directly through a flexible coupling on a common C.I./Cast steel base plate (base plate to be from the manufacturers of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor of standard make such as Kirloskar/ Crompton/ Bhel/NGEF/ GEC/ Siemen/Jyoti/ABB or any other make approved fromJal Shakti Vibhag suitable for operation on 415(+) /-10% volts, 50 cycles/ second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-)15% of the duty point head. The motor should be as per IS:325-1978 with upto date ammendments read with IS:900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-

Total Head :- 226.82 mtrs.

Capacity of each pump set :- 4.15 lps.

Dia of R/Main:- 80 mm.

Length of Rising Main ( In metres).:- 800 mtrs.

SITE CONDITIONS & WATER CHARACTERSTICS:-

Location of Site:- Rohan Khad.

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- To be filled by the Engineer Incharge.

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:- As normally encountered in Shivalik ange.

Detail of quality of water:- Clear water.

Water free from sand or not :- Free.

Water corosive or not :- Not.

Turbidity (if any):- To be filled by the Engineer Incharge.

NPSH available:- To be filled by the Engineer Incharge.

Any other information or requirement:-

OPERATING CONDITIONS:-

Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments.

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 intented to work in ordinary service:- 35 Degree Centigrade.

MOTOR:-

Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest)with upto date ammendments

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 ammendments

Mechanical out put 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 out put of prime mover.

Class of insulation:- Class ~B~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- To be filled by the Engineer Incharge.

Particulars of test reqd. & where they are to be conducted:- As per terms & conditions

Particulars as to whether voltage limiting device will be employed:-ATS/Star delta starter, oil immersed, fully automatic to be installed between bus bar and 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 to 50 KW and stator rotor starter with slip ring motor beyond 50 KW).

Motor whether squirrel cage or slipring :- Squirrel cage/slip-ring (Note:- Squirrel cage upto 65 HP and slipring above 65 HP.

Details of shaft extension reqd.:- Just sufficient to provide direct drive by flexible coupling to pump.

Type of slip-ring gear whether continuously rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- Continuously rated for Squirrel cage/ Slipring motor

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- Breakway 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 accelrated & 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 ammendments

Nos of pumps reqd.:- 1No. pump working & 1 No. As stand by .

Spare parts required:- For 2 years normal maintenance as recommended by manufacturer.

Optional fittings reqd.:- Air cock for exahausting air from each stage.

PUMP OPERATING CONDITIONS:-

Capacity (in LPS):- 4.15 LPS for each pump set.

Total head (in Mts).:- 226.82 mtrs.

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) 210.00 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):- 800 mtrs

Dia 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:- To be specified by the tenderer

a) duty head

b) (+)10 % head

c) (-) 15 % head

Material of construction:- To be specified by the tenderer (manufacturer's certficate to be appended)

Supply of suitable direct on line/oil immersed star delta /ATS/Starter rotor starter of standard make such as MEI/Kilburn/Jyuoti/ Siemens/ Larson and Turbo conforming to BIS-8544-1979 latest with upto date ammendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type overload release & dash pot, time lag,under voltage release with initial oil filling.

Note:-Star delta starter upto 37.5 KW,ATS between 37.5 KW to 50 KW and starter rotor starter with slipring motor beyond 50 KW.

Providing MS .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 with all internal connections: The drawing of panel board shall be subject to approval of Engineer-in-charge.

ICTP switches with HRC fuses of Kilburn/L&T/Siemens/Standard/Havells make and having Capacity 30% extra of the operational rating as per IS:4064-1978 with upto date ammendments immediately after the power meter of HPSEB. ICTP SWITCHES: I) Type : ii)Make:- iii)Capacity Amp.

Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and one copper bar of half the rating of full length for neutral phase as per BIS:8084-1976 and 11353-1985 read with 5578-1985 with upto date ammendments. BUS BAR CHAMBER:- i)Type: - . ii)Make:- iii)Rating

ACB/M.C.B/Oil Circuit Breaker of suitable capacity of Kilburn/ L&T/ MEI/GEC/Standard make on incoming feeder for motor offered by the tenderer conforming to BIS-2516-1985 latest with upto date ammendments with initial oil filling whenever required and neutral linked under voltage release.

Three phase Indicating lamps complete with toggle switches for individual motors as per IS 3452(P-I&II) with upto date ammendments. THREE PHASE INDICATOR:- i) Type:- ii) Make:- iii) Capacity.

Earth leakage circuit breaker relay of recommended make such as (Kilburn/L&T/MEI/ GEC) conforming to BIS- 2516-1977 with upto date ammendment and of suitable range which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be fitted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end. ELCB/ELR:- I)Make :- (CEI approved). ii)Type: iii) Range.

Providing Hour run meter of reputed make for four digit capacity conforming to BIS:722(Latest edition)/recommendations. HOUR RUN METER:- I) Type:- ii)Make:- iii)Capacity:- Hrs.

Suitable three phase voltage monitor relay with all protection and usual indicator and electric siren against single phasing No/ low voltage,high voltage & overloading and phase voltage difference as per IS:3842with upto date ammendments.

Change over switch of reputed make and suitable capacity

Single phase preventor of reputed make and suitable capacity conforming to IS:1248 (P-V)-1983 with upto date ammendments.

Supply of Kirloskar/Leader/KSB/fouress/pellicon make of Cast steel double flanged sluice valve having size nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned in item No.1 (a) & conforming to BIS/API-standards with upto date ammendments for delivery line of pump.

(Note:- The sluice valve shall conform to BIS-780-1984 latest with upto date ammedments. However, if the seat pressure exceeds the limits prescribed in BIS: 780 then the sluice valves shall be of Cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2 ) or Class 300- ASA )Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron/Cast Steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the normal delivery size of .pump and capable of withstanding nominal seat pressure as mentioned in item No.1 (a) & comforming to BIS/API standard with upto date ammendments for delivery line of pump.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of Rising main as mentioned in item No.1 (c) for with standing normal seat pressure as per item No.1(a).

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to Class 150 ASA ((Seat pressure 21 kg/cm^2 class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Jyoti/ Standard/Kilburn/Bir/ Kartar make cast iron flanged screwed type foot valve ( in case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 2.50 mtr/sec. with strainer having net area of its openings equal to three to four times of X-sectional area of flow in suction pipe conforming to BIS- 4038-1986 or latest with up to date ammendments including all leads and lifts.

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron double flanged sluice valve ( in case suction is +tive) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow in suction pipe is not more than 2.50 mtrs/ sec. with stainer het area of its opening equal to three to four timjes of X-sectional area of flow in suction pipe and conforming to BIS/API standards with upto date ammendments i/c all leads and lift and as directed by the Engineer-in-charge.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three and half core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/National/IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/ National/ IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Providing and laying double loop earthing with copper plate 600mmx600mmx3mm thick electrode complete with material such as charcoal and common salt G.I.Pipes thimbles nuts and bolts,digging of pits, G.I.Wiring and 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with upto date ammendments suitable for above motors and other electrical equipments i/c cost of carriage of material in all leads and lifts and as directed by the Engineer-in-charge.

Supply and errection of floor/wall mounted power factor shunt capacitor conforming to BIS:2834-1986 or latest with upto date ammendments 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/Siemens/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 and lifts & as directed by Engineer-in-charge.

Supply of 100mm circular dia pressure gauge of suitable range & standard make such as Fiebig/Bourden/ Precision/PREGA with all accessories such as stop cock, copper tubing etc.conformfing to BIS: 3624-1987 or latest with upto date ammendments.

Prov. and fixing double flanged suction, delivery pipe and common header considering site requirement, NPSH required and 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 and bolts as per 1264-1983 & special upto 5mtrs. away from the outer wall of pump house as per layout drawings approved by Engneer-in-charge. The pipes shall be capable of with standing minimum 1.5 times the total pressure as indicated in item No.1(a) 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 2.50 mtrs./sec. & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of carriage of material in all leads and lifts and as per directed by the Engineer-in-charge.

NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-charge.

Supply of antivibration pads conforming to BIS 6337-1971 or latest with upto date ammendments of suitable size for above machinery.

Errection of all equipments from Sr.No.8 to 23 including cost of tees, bends, tapers and any other fittings required as per site conditions & as per direction of Engineer-in-Charge.

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single, /Multistages centrifugal pumps or combination of pumps, in series/parallel of recommended make such as Mather and Platt/KSB//Becon weir/Kirloskar/ BE/Jyoti or any other make approved from Jal Shakti Vibhag as per BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to suitable for lifting Raw water for under mentioned characteristics with bronze impellers/ priming funnels casing ring and shaft sleaves or bronze. shaft of steel grade-with cast iron casing coupled directly through a flexible coupling on a common C.I./Cast steel base plate (base plate to be from the manufacturers of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor of standard make such as Kirloskar/ Crompton/ Bhel/NGEF/ GEC/ Siemen/Jyoti/ABB or any other make approved fromJal Shakti Vibhag suitable for operation on 415(+) /-10% volts, 50 cycles/ second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-)15% of the duty point head. The motor should be as per IS:325-1978 with upto date ammendments read with IS:900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-

Total Head :- 549.55 mtrs.

Capacity of each pump set :- 4.15 lps.

Dia of R/Main:- 80 mm.

Length of Rising Main ( In metres).:- 2370 mtrs.

SITE CONDITIONS & WATER CHARACTERSTICS:-

Location of Site:- Rohan Khad.

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- To be filled by the Engineer Incharge.

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:- As normally encountered in Shivalik ange.

Detail of quality of water:- Clear water.

Water free from sand or not :- Free.

Water corosive or not :- Not.

Turbidity (if any):- To be filled by the Engineer Incharge.

NPSH available:- To be filled by the Engineer Incharge.

Any other information or requirement:-

OPERATING CONDITIONS:-

Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments.

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 intented to work in ordinary service:- 35 Degree Centigrade.

MOTOR:-

Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest)with upto date ammendments

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 ammendments

Mechanical out put 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 out put of prime mover.

Class of insulation:- Class ~B~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- To be filled by the Engineer Incharge.

Particulars of test reqd. & where they are to be conducted:- As per terms & conditions

Particulars as to whether voltage limiting device will be employed:-ATS/Star delta starter, oil immersed, fully automatic to be installed between bus bar and 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 to 50 KW and stator rotor starter with slip ring motor beyond 50 KW).

Motor whether squirrel cage or slipring :- Squirrel cage/slip-ring (Note:- Squirrel cage upto 65 HP and slipring above 65 HP.

Details of shaft extension reqd.:- Just sufficient to provide direct drive by flexible coupling to pump.

Type of slip-ring gear whether continuously rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- Continuously rated for Squirrel cage/ Slipring motor

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- Breakway 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 accelrated & 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 ammendments

Nos of pumps reqd.:- 1No. pump working & 1 No. As stand by .

Spare parts required:- For 2 years normal maintenance as recommended by manufacturer.

Optional fittings reqd.:- Air cock for exahausting air from each stage.

PUMP OPERATING CONDITIONS:-

Capacity (in LPS):- 4.15 LPS for each pump set.

Total head (in Mts).:- 549.55 mtrs.

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) 503 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):- 2370 mtrs

Dia 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:- To be specified by the tenderer

a) duty head

b) (+)10 % head

c) (-) 15 % head

Material of construction:- To be specified by the tenderer (manufacturer's certficate to be appended)

Supply of suitable direct on line/oil immersed star delta /ATS/Starter rotor starter of standard make such as MEI/Kilburn/Jyuoti/ Siemens/ Larson and Turbo conforming to BIS-8544-1979 latest with upto date ammendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type overload release & dash pot, time lag,under voltage release with initial oil filling.

Note:-Star delta starter upto 37.5 KW,ATS between 37.5 KW to 50 KW and starter rotor starter with slipring motor beyond 50 KW.

Providing MS .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 with all internal connections: The drawing of panel board shall be subject to approval of Engineer-in-charge.

ICTP switches with HRC fuses of Kilburn/L&T/Siemens/Standard/Havells make and having Capacity 30% extra of the operational rating as per IS:4064-1978 with upto date ammendments immediately after the power meter of HPSEB. ICTP SWITCHES: I) Type : ii)Make:- iii)Capacity Amp.

Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and one copper bar of half the rating of full length for neutral phase as per BIS:8084-1976 and 11353-1985 read with 5578-1985 with upto date ammendments. BUS BAR CHAMBER:- i)Type: - . ii)Make:- iii)Rating

ACB/M.C.B/Oil Circuit Breaker of suitable capacity of Kilburn/ L&T/ MEI/GEC/Standard make on incoming feeder for motor offered by the tenderer conforming to BIS-2516-1985 latest with upto date ammendments with initial oil filling whenever required and neutral linked under voltage release.

Three phase Indicating lamps complete with toggle switches for individual motors as per IS 3452(P-I&II) with upto date ammendments. THREE PHASE INDICATOR:- i) Type:- ii) Make:- iii) Capacity.

Earth leakage circuit breaker relay of recommended make such as (Kilburn/L&T/MEI/ GEC) conforming to BIS- 2516-1977 with upto date ammendment and of suitable range which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be fitted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end. ELCB/ELR:- I)Make :- (CEI approved). ii)Type: iii) Range.

Providing Hour run meter of reputed make for four digit capacity conforming to BIS:722(Latest edition)/recommendations. HOUR RUN METER:- I) Type:- ii)Make:- iii)Capacity:- Hrs.

Suitable three phase voltage monitor relay with all protection and usual indicator and electric siren against single phasing No/ low voltage,high voltage & overloading and phase voltage difference as per IS:3842with upto date ammendments.

Change over switch of reputed make and suitable capacity

Single phase preventor of reputed make and suitable capacity conforming to IS:1248 (P-V)-1983 with upto date ammendments.

Supply of Kirloskar/Leader/KSB/fouress/pellicon make of Cast steel double flanged sluice valve having size nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned above conforming to BIS/API-standards with upto date ammendments for delivery line of pump.

(Note:- The sluice valve shall conform to BIS-780-1984 latest with upto date ammedments. However, if the seat pressure exceeds the limits prescribed in BIS: 780 then the sluice valves shall be of Cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2 ) or Class 300- ASA )Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron/Cast Steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the normal delivery size of .pump and capable of withstanding nominal seat pressure as mentioned above & comforming to BIS/API standard with upto date ammendments for delivery line of pump.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of Rising main as mentioned in item No.1 (c) for with standing normal seat pressure as per item No.1(a).

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to Class 150 ASA ((Seat pressure 21 kg/cm^2 class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Jyoti/ Standard/Kilburn/Bir/ Kartar make cast iron flanged screwed type foot valve ( in case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 2.50 mtr/sec. with strainer having net area of its openings equal to three to four times of X-sectional area of flow in suction pipe conforming to BIS- 4038-1986 or latest with up to date ammendments including all leads and lifts.

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron double flanged sluice valve ( in case suction is +tive) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow in suction pipe is not more than 2.50 mtrs/ sec. with stainer het area of its opening equal to three to four timjes of X-sectional area of flow in suction pipe and conforming to BIS/API standards with upto date ammendments i/c all leads and lift and as directed by the Engineer-in-charge.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three and half core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/National/IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/ National/ IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Providing and laying double loop earthing with copper plate 600mmx600mmx3mm thick electrode complete with material such as charcoal and common salt G.I.Pipes thimbles nuts and bolts,digging of pits, G.I.Wiring and 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with upto date ammendments suitable for above motors and other electrical equipments i/c cost of carriage of material in all leads and lifts and as directed by the Engineer-in-charge.

Supply and errection of floor/wall mounted power factor shunt capacitor conforming to BIS:2834-1986 or latest with upto date ammendments 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/Siemens/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 and lifts & as directed by Engineer-in-charge.

Supply of 100mm circular dia pressure gauge of suitable range & standard make such as Fiebig/Bourden/ Precision/PREGA with all accessories such as stop cock, copper tubing etc.conformfing to BIS: 3624-1987 or latest with upto date ammendments.

Prov. and fixing double flanged suction, delivery pipe and common header considering site requirement, NPSH required and 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 and bolts as per 1264-1983 & special upto 5mtrs. away from the outer wall of pump house as per layout drawings approved by Engneer-in-charge. The pipes shall be capable of with standing minimum 1.5 times the total pressure as indicated in item No.1(a) 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 2.50 mtrs./sec. & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of carriage of material in all leads and lifts and as per directed by the Engineer-in-charge.

NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-charge.

Supply of antivibration pads conforming to BIS 6337-1971 or latest with upto date ammendments of suitable size for above machinery.

Errection of all equipments from Sr.No.24 to 38 including cost of tees, bends, tapers and any other fittings required as per site conditions & as per direction of Engineer-in-Charge.

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single, /Multistages centrifugal pumps or combination of pumps, in series/parallel of recommended make such as Mather and Platt/KSB//Becon weir/Kirloskar/ BE/Jyoti or any other make approved from Jal Shakti Vibhag as per BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 or latest edition to suitable for lifting Raw water for under mentioned characteristics with bronze impellers/ priming funnels casing ring and shaft sleaves or bronze. shaft of steel grade-with cast iron casing coupled directly through a flexible coupling on a common C.I./Cast steel base plate (base plate to be from the manufacturers of the pumping unit only) to slip ring/squirrel cage screen protected drip proof induction motor of standard make such as Kirloskar/ Crompton/ Bhel/NGEF/ GEC/ Siemen/Jyoti/ABB or any other make approved fromJal Shakti Vibhag suitable for operation on 415(+) /-10% volts, 50 cycles/ second, 3 phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-)15% of the duty point head. The motor should be as per IS:325-1978 with upto date ammendments read with IS:900-1972. It should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:-

Total Head :- 305.63 mtrs.

Capacity of each pump set :- 2.74 lps.

Dia of R/Main:- 65 mm.

Length of Rising Main ( In metres).:- 1680 mtrs.

SITE CONDITIONS & WATER CHARACTERSTICS:-

Location of Site:- Rohan Khad.

The altitude of place in which the motor is intended to work in ordinary service (in metres) :- To be filled by the Engineer Incharge.

Humidity:- Weather generally remains humid during monsoon season.

Nature of atmosphere:- As normally encountered in Shivalik ange.

Detail of quality of water:- Clear water.

Water free from sand or not :- Free.

Water corosive or not :- Not.

Turbidity (if any):- To be filled by the Engineer Incharge.

NPSH available:- To be filled by the Engineer Incharge.

Any other information or requirement:-

OPERATING CONDITIONS:-

Type of current:- AC three/single phase

Operating frequency:- 50 HZ

Rated voltage:- 400 (+/-) 10% volts

System of earthing if any to to be adopted.:- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments.

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 intented to work in ordinary service:- 35 Degree Centigrade.

MOTOR:-

Ref. to BIS code:- BIS 325-1978 read with BIS 900-1992 (latest)with upto date ammendments

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 ammendments

Mechanical out put 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 out put of prime mover.

Class of insulation:- Class ~B~

Max.permissible temp.rise of motor reqd. if different from given in B(viii) above:- To be filled by the Engineer Incharge.

Particulars of test reqd. & where they are to be conducted:- As per terms & conditions

Particulars as to whether voltage limiting device will be employed:-ATS/Star delta starter, oil immersed, fully automatic to be installed between bus bar and 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 to 50 KW and stator rotor starter with slip ring motor beyond 50 KW).

Motor whether squirrel cage or slipring :- Squirrel cage/slip-ring (Note:- Squirrel cage upto 65 HP and slipring above 65 HP.

Details of shaft extension reqd.:- Just sufficient to provide direct drive by flexible coupling to pump.

Type of slip-ring gear whether continuously rated or for starting purposes only & whether to be fitted with brush lifting or short circuit arrangements or both if interlocks are rquired.:- Continuously rated for Squirrel cage/ Slipring motor

Breakway torque in terms of rated load torque & the corresponding breakway starting current which may be taken from the supply with the starting apparatus in circuit.:- Breakway 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 accelrated & 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 ammendments

Nos of pumps reqd.:- 1No. pump working & 1 No. As stand by .

Spare parts required:- For 2 years normal maintenance as recommended by manufacturer.

Optional fittings reqd.:- Air cock for exahausting air from each stage.

PUMP OPERATING CONDITIONS:-

Capacity (in LPS):- 2.74 LPS for each pump set.

Total head (in Mts).:- 305.63 mtrs.

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) 263.00 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):- 1680 mtrs

Dia of R/Main (in mm):- 65 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:- To be specified by the tenderer

a) duty head

b) (+)10 % head

c) (-) 15 % head

Material of construction:- To be specified by the tenderer (manufacturer's certficate to be appended)

Supply of suitable direct on line/oil immersed star delta /ATS/Starter rotor starter of standard make such as MEI/Kilburn/Jyuoti/ Siemens/ Larson and Turbo conforming to BIS-8544-1979 latest with upto date ammendments for squirrel cage/slip-ring motor (make to be specified by the tenderers) mounted on panel board with magnetic type overload release & dash pot, time lag,under voltage release with initial oil filling.

Note:-Star delta starter upto 37.5 KW,ATS between 37.5 KW to 50 KW and starter rotor starter with slipring motor beyond 50 KW.

Providing MS .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 with all internal connections: The drawing of panel board shall be subject to approval of Engineer-in-charge.

ICTP switches with HRC fuses of Kilburn/L&T/Siemens/Standard/Havells make and having Capacity 30% extra of the operational rating as per IS:4064-1978 with upto date ammendments immediately after the power meter of HPSEB. ICTP SWITCHES: I) Type : ii)Make:- iii)Capacity Amp.

Bus bar chamber having three copper bars of suitable rating for full length equal to the width of the board for three live phases and one copper bar of half the rating of full length for neutral phase as per BIS:8084-1976 and 11353-1985 read with 5578-1985 with upto date ammendments. BUS BAR CHAMBER:- i)Type: - . ii)Make:- iii)Rating

ACB/M.C.B/Oil Circuit Breaker of suitable capacity of Kilburn/ L&T/ MEI/GEC/Standard make on incoming feeder for motor offered by the tenderer conforming to BIS-2516-1985 latest with upto date ammendments with initial oil filling whenever required and neutral linked under voltage release.

Three phase Indicating lamps complete with toggle switches for individual motors as per IS 3452(P-I&II) with upto date ammendments. THREE PHASE INDICATOR:- i) Type:- ii) Make:- iii) Capacity.

Earth leakage circuit breaker relay of recommended make such as (Kilburn/L&T/MEI/ GEC) conforming to BIS- 2516-1977 with upto date ammendment and of suitable range which should have control box operating handle and trip/reset bush button on/off indicators, re-indicating off spring condition of the circuit breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tape etc. It should also be fitted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end. ELCB/ELR:- I)Make :- (CEI approved). ii)Type: iii) Range.

Providing Hour run meter of reputed make for four digit capacity conforming to BIS:722(Latest edition)/recommendations. HOUR RUN METER:- I) Type:- ii)Make:- iii)Capacity:- Hrs.

Suitable three phase voltage monitor relay with all protection and usual indicator and electric siren against single phasing No/ low voltage,high voltage & overloading and phase voltage difference as per IS:3842with upto date ammendments.

Change over switch of reputed make and suitable capacity

Single phase preventor of reputed make and suitable capacity conforming to IS:1248 (P-V)-1983 with upto date ammendments.

Supply of Kirloskar/Leader/KSB/fouress/pellicon make of Cast steel double flanged sluice valve having size nominal delivery size of pump and capable of withstanding nominal seat pressure as mentioned above & conforming to BIS/API-standards with upto date ammendments for delivery line of pump.

(Note:- The sluice valve shall conform to BIS-780-1984 latest with upto date ammedments. However, if the seat pressure exceeds the limits prescribed in BIS: 780 then the sluice valves shall be of Cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2 ) or Class 300- ASA )Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron/Cast Steel double flanged swing check type reflux valve for delivery line of pump having bye pass arrangement & size one size higher than the normal delivery size of .pump and capable of withstanding nominal seat pressure as mentioned above & comforming to BIS/API standard with upto date ammendments for delivery line of pump.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of suitable size Cast Steel double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of Rising main as mentioned above for with standing normal seat pressure.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to Class 150 ASA ((Seat pressure 21 kg/cm^2 class 300 ASA (Seat pressure 52 kg/cm^2) as per BS: 1414(API -600).

Supply of Kirloskar/Jyoti/ Standard/Kilburn/Bir/ Kartar make cast iron flanged screwed type foot valve ( in case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow is not more than 2.50 mtr/sec. with strainer having net area of its openings equal to three to four times of X-sectional area of flow in suction pipe conforming to BIS- 4038-1986 or latest with up to date ammendments including all leads and lifts.

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Bir/Kartar/ Pelicon make of Cast Iron double flanged sluice valve ( in case suction is +tive) for suction pipe having size one or two size larger than suction size of pump such that velocity of flow in suction pipe is not more than 2.50 mtrs/ sec. with stainer het area of its opening equal to three to four timjes of X-sectional area of flow in suction pipe and conforming to BIS/API standards with upto date ammendments i/c all leads and lift and as directed by the Engineer-in-charge.

NOTE:- The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21 kg/cm^2) or Class 300 ASA (Seat pressure 52 kg/cm^2) as per BIS: 1414(API -600).

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three and half core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/National/IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Prov. laying jointing and testing at site suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (Part.I) 1988 or latest upto date ammendments or siemens/Gloster/ ICC/ EICO/ National/ IEC make from meter of HPSEB to circuit breaker and from circuit breaker to bus bar switch and starter (one cable carrying all three phases) including all other electrical equipment/accessories, such as thimbles, flexble pipe, solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. The type, size and 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 and lifts and as directed by the Engineer-in-charge.

Providing and laying double loop earthing with copper plate 600mmx600mmx3mm thick electrode complete with material such as charcoal and common salt G.I.Pipes thimbles nuts and bolts,digging of pits, G.I.Wiring and 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with upto date ammendments suitable for above motors and other electrical equipments i/c cost of carriage of material in all leads and lifts and as directed by the Engineer-in-charge.

Supply and errection of floor/wall mounted power factor shunt capacitor conforming to BIS:2834-1986 or latest with upto date ammendments 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/Siemens/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 and lifts & as directed by Engineer-in-charge.

Supply of 100mm circular dia pressure gauge of suitable range & standard make such as Fiebig/Bourden/ Precision/PREGA with all accessories such as stop cock, copper tubing etc.conformfing to BIS: 3624-1987 or latest with upto date ammendments.

Prov. and fixing double flanged suction, delivery pipe and common header considering site requirement, NPSH required and 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 and bolts as per 1264-1983 & special upto 5mtrs. away from the outer wall of pump house as per layout drawings approved by Engneer-in-charge. The pipes shall be capable of with standing minimum 1.5 times the total pressure as indicated in item No.1(a) 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 2.50 mtrs./sec. & delivery pipe shall be of size one size larger than nominal delivery size of pump i/c cost of carriage of material in all leads and lifts and as per directed by the Engineer-in-charge.

NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-charge.

Supply of antivibration pads conforming to BIS 6337-1971 or latest with upto date ammendments of suitable size for above machinery.

Errection of all equipments from Sr.No. 40 to 54 including cost of tees, bends, tapers and any other fittings required as per site conditions & as per direction of Engineer-in-Charge.

Bharat Engg and Suppliers

Thakur Traders