Providing LWSS to all villages of GP Jagatpur and Joghon in Tehsil Nalagarh Distt. Solan HP

Amount

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

Providing, laying, jointing & testing and commissioning at site in trenches bevelled ended Galvanised steel pipe confirming to IS/ISO 3183-2019 latest upto date amendments of following diameter with steel grade X420r L-290 having wall thickness and per meter weight as mentioned below and capable of withstanding required test pressure as prescribed in BIS/ ISO code, in random lengths of 5.50 to 6.50 meter. The pipe ends shall be bevelled suitable for butt welding, including the cost of jointing with butt welding confirming to IS - 816 - 1969 or latest as applicable ends with upto date amendments (leak proof) in two layers at site of work with welding rods of standard make and all allied accessories whatever required for welding at site, tail pieces, tees, bends and other special manufactured from parent pipes as applicable to the particular reach and of approved specifications as per site conditions and cutting of pipes wherever required as per site requirement with all carriage of material to the entire satisfaction of Engineer in Charge. The pipe shall have zinc coating inside and outside confirming to IS - 4736-1986 or latest with upto date amendments and shall be engraved with L-290, IS/ISO 3183-2019. The laying shall confirm to BIS - 5822 - 1970 or latest with upto date amendments in all respect within all leads and lifts and as per direction of Engineer in charge.( earth work and cost of MS flanges shall be measured and paid for separately).

80 mm diameter, 5.50 mm Thick, Steel Pipe from RD 0 to 450 , Grade- L-290/ X-42. (Main Stage)

80 mm diameter, 4.80 mm Thick, Steel Pipe from RD 450 to 2850, Grade L-290/ X-42 (Main Stage)

Laying, jointing testing & commissioning at site in trenches following plain ended GMS pipes of following diameter of Heavy/Medium grade for Rising main as under confirming to BIS 1239-(Part-I)-1990 or latest with up to date amendments, capable of withstanding required test pressure as prescribed in BIS code in random lengths of 5.5 to 6.5 meters. The pipes ends shall be beveled suitable for butt welded joint including the cost of jointing with butt welding confirming to IS- 816-1969 or latest as applicable (leak proof) in two layers at site of work with welding rods of standard make and all allied accessories whatever required for welding at site, tail pieces, tees & bends manufactured from parent pipes etc and cuttings of pipes wherever required etc. as per site requirement i/c carriage in all respect with in all leads & lifts and as directed by Engineer-in-charge. (Earth work shall be measured and paid for separately)There shall be only 1% flanged joints & all other joints shall be butt welded; flanged joints shall be measured and paid for separately.

80 mm diameter, 4.80 mm Thick, (Heavy), from RD 2850 to 3750 (Main Stage)

80 mm diameter, 4.0 mmThick, (Medium), from RD 3750 to 5400 (Main Stage) and 0 to 15.00(Sub stage)

Providing, welding and fixing M.S plate flanges of 80mm diameter (Nominal bore) of following flange Table conforming to BIS Code 6392-1971 or latest with upto date amendments .There shall be only 1% flanged joints including cutting of pipes wherever required, welding in three layers (leak proof) confirming to specification as per prescribed in relevant IS Code i.e IS 816-1969 or latest as applicable with upto date amendments with nuts, bolts & washers & specials etc. confirming to IS-1963 or latest with upto date amendments including packing sheet i.e asbestos fiber sheet minimum 3mm thick and painting with anticorrosive paints complete in all respect and within all leads and lifts and as per the direction of Engineer-in-charge.

80 mm diameter, Table-38,

80 mm diameter, Table-34,

80 mm diameter, Table-28,

80 mm diameter, Table-17,

80 mm diameter, Table-5,

SUPPLY & ERRECTION OF SUBMERSIBLE PUMPING MACHINARY WITH ALLIED ACCESSORIES FOR TUBEWELL AT VILLAGE BAGLEHAR. Supply, erection, testing & commissioning of submersible pumping set of reputed make such as KSB/Calama/BS/Johnston, Amrut/ Sabar/Oswal/ Worthington conforming to latest relevent BIS code. The pump should be fitted with free flow impellers of bronze /suitable alloy as per BIS 5659 or latest with up to date ammendments suitable for raw/clear water having Charcterstics as mentioned in iten No.5.01 a greased packed bearings & shell with wound stator on motor side & with shaft protection sleeve on pump side ensuring better life for shaft conforming to BIS specifications. The pump shall be directly coupled to a submersible squirrel cage electric induction motor of Kirloskar/NGEF/Jyoti / Crompton make conforming to relevent BIS code with up to date ammendments totally dust & water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber chamber & grease packed lubricated bearings & provided with stainless steel thrust bearing plate to withstand non vertical loads with minimum wear & tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guard, errection clamps, cable clips & depth gauge etc. & suitable for operation on data given below:-

a). Total Head in mtrs (i/c depth of Column Pipe in case of t/well) : 79.00 mtr.

b). Capacity (in LPS) of each pump set : 3.69 LPS.

c). Dia of R/Main (in mm) : 80 mm.

d).Length of R/Main ( in Mtrs) : 15.00 mtr.

e).Dia of Column pipe (in mm) : 65 mm.

f).Length of Column pipe ( in Mtrs) : 64.00 mtrs.

A). SITE CONDITIONS:-

i). Location of Site :- Village Baglehar

ii) The altitude of place in which the motor is intended to work :- 722.60 mtrs.

iii) Humidity :- Wheather generally remains humid during monsoon season.

iv). Nature of atmosphere :- As normally encountered in Shivalik Ranges.

v). Detail of quality of water :- Clear cold water

vi).Water free from sand or not :- Yes.

vii). Water corosive or not :- Not.

viii).Turbidity :- 50 PPM.

ix). Type of well :- Tubewell.

x). Inside Dia of Well :- -------------

xi). Depth of water during HFL in the pond :- -------------

xii). Max. draw down :- 18.00 mtrs.

xiii). Depth of T/well well :- 125.00 mtrs.

xiv). Any other information or requirement :- ----

B). OPERATING CONDITIONS :-

i). Type of current :- AC three/single phase

ii). Operating frequency :- 50HZ.

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

iv). System of earthing if any to to be

adopted :- Double loop earthing as per BIS 3043-1987 latest with upto date ammendments.

v). Speed of revolution :-To be quoted by tenderer.

vi). Direction of rotation :- To be quoted by tenderer.

vii). No. of working hours per day :- 8 hours.

viii).The max. Temp. of cooling air & water in the place in which the

pumpset is intented to work in ordinary service :- (Generally warm).

C). MOTOR:-

i). Ref to BIS code :- BIS 9283-1979 or latest with upto date ammendments.

ii). Type of enclosure of motor :- As per BIS 4691-1985 or latest with up to date ammendments

iii). Type of duty :- "S1" i.e. Continuous duty type as per IS-12824-1989 or latest with up to date ammendments.

iv).Mechanical out put in KW :- Suitable for driving submersible 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.

v). Class of insulation :- Class ~B~ .

vi).Max.permissible temp. rise of motor reqd. if different from that given in B (viii) above :- To be specified by the tenderer.

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

viii). 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 for 37.5 KW & above)

ix). Type of motor :- As per BIS 9283-1979 or latest with upto date ammendments.

x). Details of shaft extension reqd :- To work with the pump offered satisfacterly.

xi). 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.

xii). 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:- To work with the pump offered satisfacterly.

xiii) 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 .

D). PUMPS:-

i) Nos of pumps required :- 2 No. Pump.

ii). Spare parts required :- For two years normal maintenance as recommended by manufacturer.

iii). Type of drive :- Electric induction motor.

iv). Optional fittings required :- --------

PUMP OPERATING CONDITIONS:-

i). Capacity of pump (in lps) :- 3.69 LPS.

ii). Total head (in Mts.) :- 79.00 Mtrs.

If total head is not known then following details be provided:-

a) Static head (in mtrs):-

b) Minimum depth of water (in mtrs) :-

c) Seasonal Variation in water level (in mtrs):-

d) Ground level to max. water level (in mtrs) :-

e) Ground level to delivery point (in mtrs):-

f) Pressure in the suction tank (in kg/cm^2)-

g) Pressure in the delivery tank (in kg/cm^2) :-

iii). Length of R/Main (in mtrs):- 15.00 mtrs.

iv). Dia of R/Main (in mm):- 80 mm.

v). Length of Column pipe (in mtrs) :- 64.00 mtrs.

vi). Dia of Column pipe (in mm) :- 65 mm

vii). Turbidity of water (in ppm) :- 50PPM

viii). Drive type :- Electric driven.

ix). Limits of total head in which the pump is reqd. to operate :- (-) 15% to (+) 10% of total head.

x) Suction/delivery size of pump :- To be specified by the tenderer.

xi). Efficiency of pump at :- To be specified by the tenderer.

a) duty head of as mentioned in in item No.5.01 :- 79.00 mtrs.

b) (+) 10 % head of as mentioned in in item No.5.01 :- 86.90 mtrs.

c) (-) 15 % head of as mentioned in in item No.5.01 :- 67.15 mtrs.

xii). Material of construction :- To be specified by the tenderer (manufacturers certficate to be appended)

Supplying and installation of suitable direct on line/oil immersed star delta/ATS/stator rotor starter of standard make such as MEI/Kilburn/Jyoti/ Siemens/Larson & Tubro conforming to BIS-8544-1979 latest with up to date ammendments 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 KW to 50 KW and stater rotor starter with slipring motor beyond 50 KW.

Providing 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 including cost providing and fixing in position the following 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 ammendments immediatly 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 ammendments.

e).ACB/MCB/Oil circuit breaker of suitable capacity of Kilburn/L &T/MEI/GEC/Standard make on incomming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments 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 ammendments.

g) Earth leakage circuit breaker/relay of recommended make such as Kilburn/L&T/MET/GEC conforming to BIS-2516-1977 with upto date ammendments and of suitaible range which should have control box, oprating handel and trip/reset push button, on/ off indicators, re-indicating off spring condition of the circut breaker for over current protection. The circuit should be equipped with magnet thermal release with metallic tap CTS. It should also be fitted earth fault for tripping of breaker on occurance of earth fault on/ of 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 ammendments.

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

a). Providing and fixing at site of Kirloskar/Leader/KSB/Fourese make of suitable dia cast iron double flanged sluice valve having size one size larger than the nominal dia of delivery of the pump or equal to dia of column pipe ( in case of Tube well) and capable of withstanding nominal seat pressure as mentioned in item No. 5.01 (a) + surge pressure conforming to standards BIS with up to date ammendments for delivery line of pump.The class of valve shall be CI,PN1.6

(NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammendments 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).

b).Providing and fixing at site of Kirloskar/Leader/KSB/Fourese make of suitable size cast iron double flanged swing check type reflux valve having bye pass arrangement & size one size larger than the nominal dia of delivery size of pump or equal to dia of column pipe (in case of tube well) and capable of withstanding nominal seat pressure as mentioned in item No.5.01(a) + surge pressure conforming to standards BIS with up to date ammendments for delivery line of pump class of valve shall be CI,PN1.6.

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 300ASA (seat pressure 52 Kg/cm^2) as per BS-1414 (API600) .

a).Providing,laying,jointing & testing at site suitable size copper PVC insulated armoured power three & half core cable ( form meter of HPSEB TO CIRCUIT BREAKER) conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments of Siemen/Gloster/ICC/ EICO/National /IEC make from meter of HPSEB to circuite breaker & from circuite 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. (30 Rmt.)(4.00 mm2)

b).Providing,laying,jointing & testing at site PVC jointless flat water proof cable ( for Motor Side ) as per BIS 694-1990 (latest with up to date ammendments) suitable for the pump sets offered from circuite breaker to motor & motor to starter including all other electrical equipments such as thimbles, flexible pipes, solder,nuts & bolts,cable glands etc. laid in pipes or trenches. 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. (85 Rmt.)(2.5mm2) (2x64=128 mtrs)

c) Providing and laying double loop earthing with Copper/G.I 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 ammendments suitable for above motors & other electrical equipments.

d).Supply & 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/Siemen/Havells make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer).(3 KVAR Capacity)

Supplying and fixing of 100mm dia 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 ammendments.

Providing and lowering in position at site of GMS( MG) column pipe assembly of size as indicated in item 5.05 including MS Flanges of table - 5 capable to withstanding nominal pressure as mentioned in item no.5.01 & confirming to IS 6392-1971 with up to date ammendments including the cost of rubber /asbestos gasket of maximum 3 mm thickness as per IS: 2712 -1979 and required numbers of nuts and bolts as per IS 1364 -1983.The column pipe should be provided & lowered as per the direction of engineer incharge. The same shall be of suitable thickness, grade & specification capable of withstanding minimum1.5 times the total presure as indicated in item no. 5.01(a) unless otherwise specified properly jointed at every three mtrs including all neccessary accessories like increaser/ reducer , flanges ,tees, bends etc.including supporting clamps ( 2 Nos ) at the top of assembly and i/c cost of jounting of column pipe with R/Main with additional length of delivery pipe of approves matels 10.00 mtr as per the direction of engineer-in charge (64.00+10.00=74.00 Rmt.)

SUPPLY & ERRECTION OF CENTRIFUGAL PUMPING MACHINARY WITH ALLIED ACCESSORIES (Main 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 characteristics tics as mentioned in item 19.06 to 19.14 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.

Tota Head = 668.00

Capacity of each Pump set = 3.69 LPS

Diameter of Rising Main = 80 mm

Length of Rising Main = 5400 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) :- 764.60 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:-

Capacity (in LPS) of each pump set. =3.69 LPS

Total head (in Mts).:- = 668.00 meter.

If total head is not known then

following details be provided:-

i) Static head ( in mtrs) 574.50 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):- =5400 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 19.01 = 668.00

b) (+)10 % of head as mentioned in item 19.01 = 734.80

c) (-) 15 % of head as mentioned in item 19.01 = 567.80

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)Change over Switch of reputed make and suitable capacity.

k). 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. 19.01 and surge pressure & conforming to BIS/API-standards with up to date amendments for delivery line of pump .

Supply and fixing at site of 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. 19.01 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.19.03 for withstanding nominal seat pressure as per item No.19.01 and surge pressure.

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 2.50 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

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

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 delivery pipe & common header pipes shall be capable of withstanding minimum 1.5 times the total pressure as indicated in item no 19.01. 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 2.50 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 50x50x80 mm(delivery pipe, suction pipe and common header).The suction pipe shall be GMS (MG) Pipe confirming to BIS 1239 Part-1 latest with upto date amendments. The common header & delivery pipe shall however be of steel pipe of 80 mm diameter of grade L-290 confirming to IS/ISO- 3183-2019 latest with upto date amendments with wall thickness 5.50 mm . The MS plate flanges to be used for Jointing shall be of flange table-38.MS plate flange to be used on suction side shall be of FT=5.

AMAR SINGH GOVT CONTRACTOR

AMERENDER SINGH