Remodeling of WSS in GP Kau and Devdhar Sub Tehsil Balichowki Distt Mandi HP

Amount

Supply of submersible pumping set of KSB/Johnson/Kirloskar/BS/Sabar make comprising to latest relevant BIS code. The pump should be fitted with bronze impeller of suitable alloys as per BIS 5659-1972 latest suitable for having greased packed bearing and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP RPM 2900 of Kirloskar/NGEF/Crompton/Marthan make conforming to BIS 9287-1979 latest with upto date amendments totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearing ad provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with heating of motor:- (Raw water Pumps)

(A) SITE CONDITION (I) Location of site Near village “Gat GaadNallah& village Kau” (ii) The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mt. Head load=300 Mtrs. 1400.00 Mtrs. (iii) Humidity Weather generally remains humid during monsoon season (iv)Nature of atmosphere As normally encountered in Shivalik Range (v) Suction lift Detail of quality of water Raw Cold Water (vi) Static Head Water free from sand or not Yes (vii) water corrosive or not Not (viii) Rising Main Turbidity (if any) Up to 2500 PPM (ix) Dia& length 80mm dia 200 Meters (ix) NPSH available Positive suction x) Any other information or requirement

(B) PUMPING HOURS OPERATING CONDITIONS (i) Altitude of installation above MSL Type of current AC three/single phase (ii) Character sticks of water Operating frequency 50 HZ (iii) Temperature Rated voltage 400(+/-) 10% volts. (iv) Ambient Temp. System of earthing if any to be adopted Double loop earthing as per BIS 3043-1987 latest with up to date amendments and as per HPSEB requirement. (v) Turbidity No. of working hours per day 8 hours (vi) Alkalinity Speed of revolution in RPM To be quoted by tenderer (vii) Direction of rotation To be quoted by tenderer (viii) The max. temp of cooling air & water in the place in which the motor is intented to work in ordinary service 30 Degree Centigrade

MOTOR (I) Ref to BIS code BIS 325-1978 read with BIS 900-1992(latest) with upto date amendments. (ii) Type of enclosure of motor SPDP(As per BIS 4691-1985 (latest) (iii) Type of duty Continuous (iv) 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 at duty point (v) Class of insulation Class-B (vi) Max. Permissible temp. rise of motor reqd. if different from given in B (viii) above. - (vii) Particulars of test reqd. & where they are to be conducted As per terms and conditions. (viii) Particulars as to whether voltage limiting device will be employed. ATS/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. (ix) Motor whether squirrel cage or slipring Squirrel cage (x) Details of shaft extension reqd. Just sufficient to provide direct drive by flexible coupling to pump. (xi) Type of sliping gear whether continuously rated or for starting purposes only & whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are required. Continuously rated for Squirrel cage/slipring motor (xii) Break way torque in terms of rated load torque & the corresponding break way starting current which may be taken from the supply with the starting apparatus in circuit Break way torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current. (xiii) 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. To work the pump offered. (xiv) Where possible fault capacity of the system to which the motor is connected The motor should be able to with stand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.

PUMPS PUMP (BIS 1520-1980) Read with BIS 9137-1978 both latest with upto date ammendments’ (a) Nos. of pumps required 2 Nos. Pumps (One will act & One stand bye). (b) Spare parts required For Two years normal maintenance as recommended by manufacturer. ( c) Optional fittings reqd. Air cock for exhausting air from each stage

PUMP OPERATING CONDITIONS Capacity 4.17 LPS for each pump Total head in Mts. 66.46Mtrs. If total head is not known then following details be provided (I) Static head 59.90mtrs. (ii) Minimum depth of water ---- Mtrs. (iii) Variation in water level ---- Mtrs (iv) R.L at delivery point 1355Mtrs (v) R.L at P.S.L 1414.90Mtrs (vi) Pressure in the suction tank ----- Kg/cm^2 (vii) Pressure in the delivery tank ----- Kg/cm^2 Length of R/Main 200Rmt Dia of rising main 80 mm Drive arrangement Direct through flexible coupling on a common base plate suitable for Reciprocating pump. Drive type Electric driven NPSH reqd. To be quoted by tenderer Limits of total head in which the pump is reqd. to operate (-) 15% to (+) 10% of total head with at least 60% discharge of D.P. Suction/delivery size of pump To be specified by the tenderer. Efficiency of pump at (a) Duty head To be specified by the tenderer. (b) (+) 10% head To be specified by the tenderer ( c) (-) 15% head To be specified by the tenderer. Material of construction To be specified by the tenderer (Manufacturers certificate to be appended)

Supply of suitable oil immersed star delta starter ATS of standard make such as MEI/Kilburn/Jyoti/Siemens conforming to BIS-8544-1979 (latest with upto date amendments for squirrel cage/slipring motor (make to be specified by the tenderer) mounted on panel board with cage/slipring 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.

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 powder coated comprising and capable of mounting the following accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer-in-charge.

Providing and fixing Digital VAF meter as standard make

ICTP switches with HRC fuses Kilburn/Larson & Turbo/Standard/Siemen make and having capacity 30% extra of the operational rating of motor as per relevant BIS- 4064-1978 with upto date amendments immediately after the power meter of HPSEB

Bus bar 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 rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.

MCB/Oil circuit breaker of suitable capacity of Kilburn/LT/LK/MEI/Standard/HavellsIndo Asian make on in common feeder for motors offered by the tenderer conforming to relevant BIS 2516-1985 latest with upto date amendments 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 upto date amendments.

Earth leakage circuit breaker of recommended (Kilburn/L&T/MET/GEC/Havells)as per BIS- 2516-1977 with upto date ammendments and of suitable range with 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 tap CTS. It should also be fitted earth fault for tripping of breaker on occurrence 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 & over loading & phase voltage difference.

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB/Kartar make of suitable size cast steel double flanged sluice valve having size equal to delivery of pump and capable of with standing nominal seat pressure of 21Kg/cm^2. CLASS ASA 150.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB/Kartar make of suitable size cast steeldouble flanged swing check type reflux valve having bye pass arrangement & size equal to delivery of pump for withstanding nominal seat pressure of 21 Kg/cm^2 . CLASS ASA 150.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB/Kartar makeof suitable size cast steeldouble flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/Main for withstanding nominal seat pressure of 21kg/cm^2 . CLASS ASA 150.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Kartarmake of suitable size cast iron flanged sluice valve conforming IS 780, size equal to dia of suction pipe PN-1 provided with hand wheel /Cast iron Cap.

Providing and laying suitable size copper PVC insulated armoured power 3.1/2 core cable conforming to BIS 1554 (part I) -1988 or latest with upto date amendments Siemen/Gloster/ICC/Havells/Finolex make from meter of HPSEB to MCB & from MCB to Bus bar switch & Starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipe, solder, nut and 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.

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554(part-I) 1988 or latest with upto date amendments Siemen/Gloster/ICC make from switch to starter & starter to motor (one cable for carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipes, solder, nuts and 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.

P/L double loop earthing with GI plate 600x600x3mm thick electrode complete with material such as charcoal, common salt, GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x 5mm GI strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendments for above motors & other electrical equipment.

Supply &errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834- 1986 latest with up to date amendments BHEL/GEC/Machneil/Mager/Bajaj/Havells 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 bus bar 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 standard make 100mm 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 amendments

Providing and laying suction, delivery pipe considering site requirements, NPSH required and available & common header having area equal to two times the area of delivery branch of pump including tappers, flanges, rubber gaskets, 3mm thick as per BIS-2712-197 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 pressure indicated in item No. 1 e(ii). NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-Charge.

Errection of all equipments from Sr. 1 to 4, &6 i/c cost of tees, bends tapers & any other fittings required as per site conditions& as per directions of Engineer-in-Charge.

Supply and errection of horizontal spindle,vertical split casing Single/Multistage centrifugal/ pumps of standard make such as KSB/Mather & Platt/Kirloskar/Best & Crompton/Grundtos/LUBI conforming to BIS 1520 appropriate IS code (latest with upto date amendments) read with BIS 9137-1978 or latest to handle clear water having turbidity 50 PPM with impellers, casing rings & 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 to Kirloskar/NGEF/Crompton/Siemen/ABB/Morthonslipring/squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below:- ( Clear water Pump)

SITE CONDITIONS (I) Location of site Near village “Gat GaadNallah& Village Kau” (ii) The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mt. Head load=300 Mtrs. 1400.00 Mtrs. (iii) Humidity Weather generally remains humid during monsoon season (iv)Nature of atmosphere As normally encountered in Shivalik Range (v) Suction lift Detail of quality of water Clear Cold Water (vi) Static Head Water free from sand or not Yes (vii) water corrosive or not Not (viii) Rising Main Turbidity (if any) Up to 50 PPM (ix) Dia& length 80mm dia 2500 Metres (ix) NPSH available Negative suction x) Any other information or requirement

PUMPING HOURS OPERATING CONDITIONS (i) Altitude of installation above MSL Type of current AC three/single phase (ii) Character sticks of water Operating frequency 50 HZ (iii) Temperature Rated voltage 400(+/-) 10% volts. (iv) Ambient Temp. System of earthing if any to be adopted Double loop earthing as per BIS 3043-1987 latest with up to date amendments and as per HPSEB requirement. (v) Turbidity No. of working hours per day 8 hours (vi) Alkalinity Speed of revolution in RPM To be quoted by tenderer (vii) Direction of rotation To be quoted by tenderer (viii) The max. temp of cooling air & water in the place in which the motor is intented to work in ordinary service 30 Degree Centigrade

MOTOR (I) Ref to BIS code BIS 325-1978 read with BIS 900-1992(latest) with upto date amendments. (ii) Type of enclosure of motor SPDP(As per BIS 4691-1985 (latest) (iii) Type of duty Continuous (iv) 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 at duty point (v) Class of insulation Class-B (vi) Max. Permissible temp. rise of motor reqd. if different from given in B (viii) above. - (vii) Particulars of test reqd. & where they are to be conducted As per terms and conditions. (viii) Particulars as to whether voltage limiting device will be employed. ATS/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. (ix) Motor whether squirrel cage or slipring Squirrel cage (x) Details of shaft extension reqd. Just sufficient to provide direct drive by flexible coupling to pump. (xi) Type of sliping gear whether continuously rated or for starting purposes only & whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are required. Continuously rated for Squirrel cage/slipring motor (xii) Break way torque in terms of rated load torque & the corresponding break way starting current which may be taken from the supply with the starting apparatus in circuit Break way torque to be given by the tenderer but the starting current should not exceed 2.5 times of the full load current. (xiii) 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. To work the pump offered. (xiv) Where possible fault capacity of the system to which the motor is connected The motor should be able to with stand initial current of 2.5 times the rated current for two minutes without suffering damages or permanent deformations.

PUMPS PUMP (BIS 1520-1980) Read with BIS 9137-1978 both latest with upto date ammendments’ (a) Nos. of pumps required 2 Nos. Pumps (One will act & One stand bye). (b) Spare parts required For Two years normal maintenance as recommended by manufacturer. ( c) Optional fittings reqd. Air cock for exhausting air from each stage

PUMP OPERATING CONDITIONS (I) Capacity 4.17 LPS for each pump (ii) Total head in Mts. 443.01Mtrs. If total head is not known then following details be provided (I) Static head 391.40mtrs. (ii) Minimum depth of water ---- Mtrs. (iii) Variation in water level ---- Mtrs (iv) R.L at delivery point 1408.60Mtrs (v) R.L at P.S.L 1800.00Mtrs (vi) Pressure in the suction tank ----- Kg/cm^2 (vii) Pressure in the delivery tank ----- Kg/cm^2 (iii) Length of R/Main 2500Rmt iv) Dia of rising main 80 mm (v) Drive arrangement Direct through flexible coupling on a common base plate suitable for Reciprocating pump. (vi) Drive type Electric driven (vii) NPSH reqd. To be quoted by tenderer (viii) Limits of total head in which the pump is reqd. to operate (-) 15% to (+) 10% of total head with at least 60% discharge of D.P. (ix) Suction/delivery size of pump To be specified by the tenderer. (x) Efficiency of pump at To be specified by the tenderer. (a) Duty head (b) (+) 10% head ( c) (-) 15% head (xi) Material of construction To be specified by the tenderer (Manufacturers certificate to be appended)

Supply of suitable oil immersed star delta starter ATS/Soft starter of standard make such as MEI/Kilburn/Jyoti/Siemens conforming to BIS-8544-1979 (latest with upto date amendments for squirrel cage/slipring motor (make to be specified by the tenderer) mounted on panel board with cage/slipring 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.

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 powder coated comprising and capable of mounting the following accessories with all internal electric connections. The drawing of panel board shall be subject to approval of Engineer-in-charge.

Providing and fixing Digital VAP meter as per standard make

ICTP switches with HRC fuses Kilburn/Larson & Turbo/Standard/Siemen/Havels/Indo Asian make and having capacity 30% extra of the operational rating of motor as per relevant BIS- 4064-1978 with upto date amendments immediately after the power meter of HPSEB

Bus bar 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 rating of full length for neutral conforming to BIS 8084-1976 and 11353-1985 read with 5578-1985 all latest with upto date amendments.

MCB/Oil circuit breaker of suitable capacity of Kilburn/LT/LK/MEI/Standard/Havells/Indo Asian make on in common feeder for motors offered by the tenderer conforming to relevant BIS 2516-1985 latest with upto date amendments 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 upto date amendments.

Earth leakage circuit breaker of recommended (Kilburn/L&T/MET/GEC/Havells)as per BIS- 2516-1977 with upto date amendments and of suitable range with 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 tap CTS. It should also be fitted earth fault for tripping of breaker on occurrence 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 & over loading & phase voltage difference.

Change over switch of reputed make and suitable capacity

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB make of suitable size cast steel double flanged sluice valve having one step higher to delivery of pump and capable of withstanding nominal seat pressure of 52Kg/cm^2. CLASS ASA 300.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB make of suitable size cast steeldouble flanged swing check type reflux valve having bye pass arrangement &one step higher to delivery of pump for withstanding nominal seat pressure of 52 Kg/cm^2 . CLASS ASA 300.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Pelicon/KSB make of suitable size cast steeldouble flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/Main for withstanding nominal seat pressure of 52kg/cm^2 . CLASS ASA 300.

Supply of Kirloskar/Kilburn/IVC/Fourcess/Gled/BHEL/Leader/Kartarmake of suitable size cast iron flanged sluice valve conforming IS 780, size equal to dia of suction pipe PN-1 provided with hand wheel /Cast iron Cap.

Providing and laying suitable size copper PVC insulated armoured power 3.1/2 core cable conforming to BIS 1554 (part I) -1988 or latest with upto date amendments Siemen/Gloster/ICC/Havells/Finolex make from meter of HPSEB to MCB & from MCB to Bus bar switch & Starter (one cable carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipe, solder, nut and 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.

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554(part-I) 1988 or latest with upto date amendments Siemen/Gloster/ICC make from switch to starter & starter to motor (one cable for carrying all three phases) including all other electrical equipment/accessories such as thimbles, flexible pipes, solder, nuts and 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.

P/L double loop earthing with GI plate 600x600x3mm thick electrode complete with material such as charcoal, common salt, GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x 5mm GI strips of required capacity conforming to BIS 3043-1987 latest with up to date amendments for above motors & other electrical equipment.

Supply &errection of floor/wall mounted power factor shunt capacitor conforming to BIS 2834- 1986 latest with up to date amendments BHEL/GEC/Machneil/Mager/Bajaj/Havells 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 bus bar 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 standard make 100mm 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 amendments

Providing and laying suction, delivery pipe considering site requirements, NPSH required and available & common header having area equal to two times the area of delivery branch of pump including tappers, flanges, rubber gaskets, 3mm thick as per BIS-2712-197 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 pressure indicated in item No. 1 e(ii). NOTE:- Actual laying to be done as per final drawings to be approved by the Engineer-in-Charge.

Errection of all equipments from Sr. 9 to 12, &14 i/c cost of tees, bends tapers & any other fittings required as per site conditions& as per directions of Engineer-in-Charge.

Excavation in foundations, trenches(for pipes and pits)upto all depths and in all classification of earth work such as pick work, jumperwork, saturated soil including bailing/pumping out water, blasting soft/hard rock or chiselling soft or wedging out of same where blasting is prohibited in all leads and lifts including trimming and dressing of sides,levelling of beds to correct grade including soring, strutting/planking, timbering and dewatering where ever required ,stacking the useable and un- useable materials/soils separately and after laying, jointing and testing of pipes ,returning the useable soils in 15cm.layers by ramming and watering and then disposing of all surplus excavated soils/un-useable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original conditions and including the cost of diversion of traffic, nightsignals, fixing caution boards ,crossing over trenches for access to houses, fencingetc. Complete in all respects within all leads and lifts and as per the direction of the Engineer-in-charge.

Laying jointing and testing in trenches to be levelled to grades,IS marked GI Flanged pipes of following diameters confirming to IS-1239-1990 (Part-II)latest with upto date amendments having minimum wall thickness as for class of pipe specified below jointed with flanges conforming to tables as specified below of BIS-6392-1971(latest upto date amendments)Welded at both ends according to relevant BIS standard and detailed specifications as appended in NIT and provided with nuts and bolts of required size 3mm thick compressed asbestos fiber gaskets of synthetic rubber gasket confirming to relevant BIS codes as given in technical specifications including all leads and lifts flanged short pieces,bends, tees and other specials etc.made from parent tubes including bends and welded with flanges of tables as applicable for the particulars reach and of approved specification as per site conditions including finishing cleaning painting and hydraulic testing complete to the best satisfaction of the Engineer-in-Charge.

Raw water RD 0 to 200 80mm GI (MC) wall thickness 4.00 flange table-17

Providing ,laying,jointing and testing in trenches to be levelled to grades,BIS marked MSERW flanged pipes of following diameters conforming to BIS-3183-2007 (Latest with upto date ammendments) having minimum wall thickness as specified below of steel grade gradeYST-210 jointed with flanges conforming to tables as specified below of BIS-6392-1971 (latest with upto date ammendments) welded at both ends according to relevant BIS standard & detailed specifications and ,provided with nuts and bolts of required sizes ,with 3mm thick compressed asbestos fiber gasket or synthetic rubber gasket conforming to relevant BIS codes including all short pieces and bends tees & other specials etc made from parent tubes including bends and welded with flanges of tables as applicable for the particular reach & of approved specifications as per site conditions including flushing cleaning, painting & hydraulic testing complete to the best satisfaction of Engineer-in-charge. The pipe and special have factory galvanised as per IS4736 (latest upto date ammendments) in all leads and lifts.

1st stage RD 0 to 125 80mm dia Class MS pipe wall thickness5.50 flange table -34

Providing, Laying jointing and testing in trenches to be levelled to grades,BIS marked MSERW pipe factory galvanized with butt welding of following diameter conforming to BIS 3183-2007 (latest upto date amendments) having minimum wall thickness as specified below of steel grade MSERW pipe jointed with butt welded including all short pieces, bends, tees and other special etc made from parent tube and welded with flanges of tables as applicable for the particular reach and of approved specifications as per site conditions including flushing, cleaning, painting and hydraulic testing complete ito the best specification of the Engineer-in-Charge. The pipe and special shall have factory galvanized as per IS 4736 (latest upto date amendments) in all leads and lifts.

1st stage RD 125 to 900 80 mm MSERW pipe wall thickness 5.50

Laying jointing and testing in trenches to be levelled to grades,IS marked with butt welding of following diameters conforming to IS 1239-1990 (Part-II) (latest upto date amendments) having having minimum wall thickness as for class of pipe butt welded at both (three layers) ends according to relevant BIS i/c all kinds of leads and lifts, short pieces, bends tees & other specials etc made from parent tubes & welded with butt welding as applicable for the particular reach & of technical specifications appended in the NIT as per site conditions including flushing cleaning & hydraulic testing as per directions of Engineer-in-Charge.

1st stage RD 900 to 2500 80mm dia Class GI(MC) wall thickness 4.00

KUSHAL SINGH RAGHAV

Naik Electrical Works

prakul sharma contractor