Improvement of LWSS Sari Bhekhli and Bashing in Tehsil and Distt Kullu H.P.( SH Providing and installation of pumping machinery and laying, jointing and testing of rising main)

Amount

Lift Bore Well Dev Dham to Sump Well Ist Stage LWSS Sari:- Supply of submersible raw water pumping set of reputed make such as KSB/Kirloskar/CALAMA/Johnston/Oswal/BS/all approved make confirming to latest relevent BIS code.The pump should be fitted with free flow impellers of suitable alloy as per BIS 5659-1970 latest suitable for clear cold water 50 PPM having greased packer bearings & shaft with bound stator on motor side & with shaft protection sleeve on pump side ensuring better life for shaft confirming to BIS specifications.The pump shall be directly coupled to a submersible squirrel cage electric induction motor of same make confirming to relevent BIS code latest 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 & grease packed lubricated bearings & provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear & tear.It should also be fitted with a device to take up expansion of water with 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) SITE CONDITIONS

Location of site:- Near Dev Dham

The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mtr. :- Altitude of place is 1200.00m above MSL

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 :- Yes

Water corrosive or not :- No

Turbidity (if any) :- Clear cold water.

NPSH available:- N.A.

Any other information or requirement:- ------

(B) OPERATING CONDITIONS

Type of current :- AC three/single phase

Operating frequency :- 50 HZ

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

System of earthing if any 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 pumpset is intended to work in ordinary service:- 35 degree centigrade.

(C) MOTOR

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

Type of enclosure of motor :- SPDP (As per BIS 4691-1985, latest).

Type of duty:- Continuous

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.

Class of insulation :- Class -B

Max.permissible temp.rise of motor reqd. if different from that 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 attached

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

Motor whether squirrel cage or slipring:- Squirrel cage. Note: Squirrel cage up to 65 HP & slipring above 65 HP

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

Type of slipring gear whether continously rated or for starting purposes only and whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are required.:- Continously rated for squirrel cage/ slippering 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.:- 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.

(D) PUMPS: BIS: 1520-1980, read with BIS 9137-1978 both latest with up to date amendments.

Nos of pumps reqd :-1 No. pump

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

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

(E) PUMP OPERATING CONDITIONS

Capacity:- 4.14LPS

Total head in Mts.:- 67.11Mtrs.

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

i) Static head :- 53.00 mtrs.

ii) Minimum depth of water :- 3.00 Mtrs.

iii) Variation in water level:- 0.5 Mtrs.

iv) Ground level to max. water level :- 1251.00 Mtrs.

v) Ground level to delivery point :- 1198.00 Mtrs.

vi) Pressure in the suction tank :- …………. Kg/cm^2

vii) Pressure in the delivery tank :- …………. Kg/cm^2

Length of R/Main :- 660 mtrs. ( Column pipe ) + 6 m delivery pipe.

Dia of R/Main :- 80 mm Dia

Drive arrangement :-Direct through flexible coupling on a common base plate.

Drive type :- Electric driven

NPSH required:- To be quoted by contractor.

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 oil immersed star delta starter/ATS/star rotor starter of standarad make such as MEI/Kilburn/Jyoti/ Siemens conforming to BIS-8544-1979 latest with up to date ammendments for squirrel cage/slipriing 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 the following accessaries with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.

ICTP switches with HRC fuses Kilburn/Larsen & turbo/Standard/Siemen 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.

Busbar chamber having 3 copper bars of suitable rating for full length equal to width of board of 3 live phases and one copper bar of half reating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date ammendments.

MCB/Oil circuit breaker of suitable capacity of Kilburn/LT/LK/MEI/Standard make on in coming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments with neutral linked under voltage release.

3 phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date ammendments.

Earth leakage circuit breaker of recommended (Kilburn/L&T/MEI/GEC as per BIS-2516-1977 with upto date ammendments and of suitaible range with which should have control box, operating handle and trip/reset bush 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 with earth fault for tripping of breaker on occurance of earth fault on/ off breaker load side.

Hour run meter of reputed make of four digit capacity conforming to BIS-722(latest edition) recommendations.

Suitable three phase voltage monitor relay with all protections & usual indicators with electrical sirens against single phasing, no voltage, high voltage & overloading & phase voltage difference.

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/ Kilburn/IVC/ Fouress/ Gled/ BHEL/ Leader/ Kartar of approved make of suitable size cast iron double flanged sluice valve having size one step higher to delivery of pump and capable of withstanding nominal seat pressure as per BIS. Note: The sluice valve shall confirm to IS: 780-1984 latest with up to date amendments. However, if the seat pressure exceeds the the limits prescribed in BIS 780 then the sluice valve shall be of cast steel confirming to class 150 ASA (seat pressure 21 kg./cm^2) or class 300 ASA (seat pressure 52 Kg./cm^2 ) or class 600 ASA (Seat pressure 104 Kg./cm^2) as per BIS 1414 (API 600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEEL/Leader cast iron double flanged swing check type reflux valve having bye pass arrangement & size one step higher to dia of rising main for withstanding nominal seat pressure as per BIS. NOTE:- The reflux valve shall conform to BIS 5312-1984( Part-1) latest with upto 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 150ASA ( Seat pressure 21Kg/cm^2) or class 300ASA(Seat pressure 52 Kg/cm^2) as per BS 1414( API 600).

Providing and Laying suitable size copper PVC insulated armoured power cable confirming to BIS 1554 (Part I) -1988 or latest with up to date ammendments Siemen/Gloster/ICC make from meter of HPSEB to OCB & from OCB to Busbar 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.

Providing and Laying PVC jointless flat water proof cable as per BIS 694-1990 (latest with up to date ammendments) suitable for the pump sets offered from OCB 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.

Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 latest with upto date ammendments BHEL/GEC/Machneil/ Mager/Bajaj 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 LT/LK/Kilburn make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer.

Providing and Laying Column pipe/ Delivery pipe considering site requirements,NPSH required & available 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 mtrs. away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge The pipes shall be capable of withstanding 1.5 times the total presure indicated in item no. 1e(ii). NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge

Lift Bore Well At Basing to Storage Tank Bashing:- Supply of submersible raw water pumping set of reputed make such as KSB/Kirloskar/CALAMA/Johnston/Oswal/BS/all approved make confirming to latest relevent BIS code.The pump should be fitted with free flow impellers of suitable alloy as per BIS 5659-1970 latest suitable for clear cold water 50 PPM having greased packer bearings & shaft with bound stator on motor side & with shaft protection sleeve on pump side ensuring better life for shaft confirming to BIS specifications.The pump shall be directly coupled to a submersible squirrel cage electric induction motor of same make confirming to relevent BIS code latest 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 & grease packed lubricated bearings & provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear & tear.It should also be fitted with a device to take up expansion of water with 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) SITE CONDITIONS

Location of site:- Near Bashing

The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mtr.:- Altitude of place is 1200.00m above MSL

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:- Yes

Water corrosive or not:- No

Turbidity (if any):- Clear cold water.

NPSH available:- N.A.

Any other information or requirement :- ----

(B) OPERATING CONDITIONS

Type of current:- AC three/single phase

Operating frequency :- 50 HZ

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

System of earthing if any 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 pumpset is intended to work in ordinary service:- 35 degree centigrade.

(C) MOTOR

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

Type of enclosure of motor:- SPDP (As per BIS 4691-1985, latest).

Type of duty :- Continuous

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.

Class of insulation:- Class -B

Max.permissible temp.rise of motor reqd. if different from that 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 attached

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

Motor whether squirrel cage or slipring:- Squirrel cage. Note: Squirrel cage up to 65 HP & slipring above 65 HP

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

Type of slipring gear whether continously rated or for starting purposes only and whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are required :- Continously rated for squirrel cage/ slippering 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 :- 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.

(D) PUMPS: BIS: 1520-1980, read with BIS 9137-1978 both latest with up to date amendments.

Nos of pumps reqd :- 2 No. pump

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

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

(C) PUMP OPERATING CONDITIONS

Capacity:- 4.05LPS

Total head in Mts. :- 186.18 Mtrs.

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

i) Static head :- 169.50 mtrs.

ii) Minimum depth of water:- 4.05 Mtrs.

iii) Variation in water level :- 0.5 Mtrs.

iv) Ground level to max. water level:- 1396.00 Mtrs.

v) Ground level to delivery point :- 1226.85 Mtrs.

vi) Pressure in the suction tank :- …………. Kg/cm^2

vii) Pressure in the delivery tank :- …………. Kg/cm^2

Length of R/Main:- 850.00 mtrs. ( Column pipe ) + 6 m delivery pipe.

Dia of R/Main :- 80 mm Dia

Drive arrangement :- Direct through flexible coupling on a common base plate.

Drive type:- Electric driven

NPSH required:- To be quoted by contractor.

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 oil immersed star delta starter/ATS/star rotor starter of standarad make such as MEI/Kilburn/Jyoti/ Siemens conforming to BIS-8544-1979 latest with up to date ammendments for squirrel cage/slipriing 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 the following accessaries with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer in charge.

ICTP switches with HRC fuses Kilburn/Larsen & turbo/Standard/Siemen 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.

Busbar chamber having 3 copper bars of suitable rating for full length equal to width of board of 3 live phases and one copper bar of half reating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date ammendments.

MCB/Oil circuit breaker of suitable capacity of Kilburn/LT/LK/MEI/Standard make on in coming feeder for motors offered by the tenderer conforming to BIS 2516-1985 latest with upto date ammendments with neutral linked under voltage release.

3 phase indicating lamps complete with toggle switches for individual motors conforming to BIS 3452 part I & II latest with up to date ammendments.

Earth leakage circuit breaker of recommended (Kilburn/L&T/MEI/GEC as per BIS-2516-1977 with upto date ammendments and of suitaible range with which should have control box, operating handle and trip/reset bush 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 with earth fault for tripping of breaker on occurance of earth fault on/ off breaker load side.

Hour run meter of reputed make of four digit capacity conforming to BIS-722(latest edition) recommendations.

Suitable three phase voltage monitor relay with all protections & usual indicators with electrical sirens against single phasing, no voltage, high voltage & overloading & phase voltage difference.

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/ Kilburn/IVC/ Fouress/ Gled/ BHEL/ Leader/ Kartar of approved make of suitable size cast iron double flanged sluice valve having size one step higher to delivery of pump and capable of withstanding nominal seat pressure as per BIS. Note: The sluice valve shall confirm to IS: 780-1984 latest with up to date amendments. However, if the seat pressure exceeds the the limits prescribed in BIS 780 then the sluice valve shall be of cast steel confirming to class 150 ASA (seat pressure 21 kg./cm^2) or class 300 ASA (seat pressure 52 Kg./cm^2 ) or class 600 ASA (Seat pressure 104 Kg./cm^2) as per BIS 1414 (API 600).

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEEL/Leader cast iron double flanged swing check type reflux valve having bye pass arrangement & size one step higher to dia of rising main for withstanding nominal seat pressure as per BIS. NOTE:- The reflux valve shall conform to BIS 5312-1984( Part-1) latest with upto 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 150ASA ( Seat pressure 21Kg/cm^2) or class 300ASA(Seat pressure 52 Kg/cm^2) as per BS 1414( API 600).

Providing and Laying suitable size copper PVC insulated armoured power cable confirming to BIS 1554 (Part I) -1988 or latest with up to date ammendments Siemen/Gloster/ICC make from meter of HPSEB to OCB & from OCB to Busbar 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.

Providing and Laying PVC jointless flat water proof cable as per BIS 694-1990 (latest with up to date ammendments) suitable for the pump sets offered from OCB 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.

Supply & errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834-1986 latest with upto date ammendments BHEL/GEC/Machneil/ Mager/Bajaj 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 LT/LK/Kilburn make ICTP switches conforming to BIS 4064-1978 or latest with HRC fuses (Range to be specified by the tenderer.

Supply of standarad make 100 mm dia circular dial pressure gauge of suitable range Fiebeg/Bourden/ Precision make with all accessories such as stop cock,copper tubing etc. conforming to BIS 3624-1987 latest with up to date ammendments.

Providing and Laying Column pipe/ Delivery pipe considering site requirements,NPSH required & available 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 mtrs. away from the outer wall of pump house as per layout drawings approved by Engineer-in-Charge The pipes shall be capable of withstanding 1.5 times the total presure indicated in item no. 1e(ii). NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer in charge

Erection of all equipments from Sr.No. 7 to 13 i/c cost of tees, bends, tapers & any other fittings required as per site conditions & as per directions of Engineer-in-charge.

Excavation in foundation and trenches (For pipes and pits) up to all depths and in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out of water, blasting soft or hard rock or chiselling or wedging out of soft/hard rock , where blasting is prohibited, in all lifts including trimming and dressing of sides, levelling of beds to correct grade including shoring, strutting , planking, timbering and dewatering where ever required. Stacking usable and unusable material /soil seperataly and after laying, jointing and testing of pipes (for pipes only), returning the usable soil in 15cm layers by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads/ lifts including restoration of unmetalled surfaces to its original condition and including cost of diversion for traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lifts as per direction of the Engineer-in-charge.

Laying, jointing and testing in trenches GMS Tube IS:1239 (GI PIpe)- Med.Class, of following dia meter including specials, short pieces, bends, reducers, tees etc. made from parent tube, provinding and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to date amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes, 3mm thick compressed asbestos fiber/synthetic rubber gaskets confirming to relevant BIS standards. The laying of pipe will include all operation such as cutting, welding, jointing, providing & fixing of MS flanges, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the 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 pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards and the damaged portion of the pipes and specials made form the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & directin of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

Bore well Dev Dham to Sump well 1st stage Sari at Bashing

GI pipe 80mm dia (medium class) 4.0 mm thick flange table-17 (rising main)

Bore well Bashing to storage tank at Bashing

GI pipe 80mm dia (medium class) 4.0 mm thick flange table-28 (rising main)

Laying, jointing and testing of GMS tube IS:1239 (GI Pipe)- Med.Class of following dia and providing circumferential butt welded joints by electrical arc welding to below mentioned dia and wall thickness GMS pipe welded 3 nos. of weld runs so as to achieves minimum effective throat thickness of weld conferming to IS -816-1969 specification by using welding electrodes of 2.5mm to8.3mm of Advani over likon (Adore) -Citojet/Es/Esev make conferming to IS -814-1991.i/c die pentration test at site of work complete in all respect i/c manual/ mechanical of handling of pipe in all leads & lifts to the entire satisfaction ofvEngineer- In -Charge. ( Earth work to be measured & paid for separately)

Bore well Dev Dham to Sump well 1st stage Sari at Bashing

GI pipe 80mm dia (medium class) 4.0 mm thick (rising main)

Bore well Bashing to storage tank at Bashing

GI pipe 80mm dia (medium class) 4.0 mm thick (rising main)

Chuni lal

RITESH KAISTHA