Imp. Rem. Of LIS Bharoo, Banaroo, Banog FIS Chhatr Tanoo Kuhl Ghodan Kuhl in Sub-Division Joginder Nagar SH Supply Erection of Pumping Machinery Providing and laying 250 mm dia GMS ERW GradeL-210 or A IS/ISO 3183 2007 with butt welding flange

Amount

Supply of submersible raw water pump set of reputed make such as KSB/ Calama / SU/joinsion conforming to latest relevant BIS code. The pump should be fitted with free flow impellers of suitable alloys as per BIS 8034-1978 latest suitable for lifting raw water having 6000 PPM turbidity, grease packed bearings and shaft with wound stator on motor side and with shaft protection sleeve on pump side ensuring better life for shaft conforming to BIS specification. The pump shall be directly coupled to submersible squirrel cage electrical induction motor of same make conforming to BIS 9283-1979 (latest with up to date amendments) totally dust and water proof for submersible duly isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical load with minimum bear and tear. It should also be fitted with a device to take up expention of water with heating of motor. The pump should include water level guard,errection clamps,cable clips and depth gauge etc. and suitable for opration in data given A) SITE CONDITIONS i) Location of Site Bank of Rana Khad ii) Discharge = 20.23 LPS for each pump. iii) Total Head = 12.77 Mtrs iv) Length of column/ Discharge pipe = 15 Mtrs each pump v) Dia of colmn assembly = 250 mm dia vi) Low Water Level = 769 mtrs vii) Pump Shaft Level = 768 mtrs. viii) Bowl assembly head = ix) Column losses = x) Effected haed = xi) Bowlassembly in put = xii) BHP = To be quoted by the firm. xiii) Bowl efficency =To be quoted by the firm. xiv) Pump efficency =To be quoted by the firm. xv) Motor efficency =To be quoted by the firm. xvi) Rated HP of motor =To be quoted by the firm.

xvii) Over all efficency =To be quoted by the firm. xviii) Turbidity (if any) up to 600 PPM ix) Any other information or requirement B) OPERATING CONDITIONS i) Type of current AC three/single phase ii) Operating frequency 50 HZ iii) Rated voltage 400 (+/-) 10% volts iv) System of earthing if any to Double loop earthing as per BIS 3043-1987 to be adopted latest with upto date ammendments v) No. of working hours per day 16 hours vi) Speed of revolution in RPM To be quoted by the tenderer vii) Direction of rotationTo be quoted by tenderer viii) The max. Temp. of cooling air25 Degree Centigrade & water in the place in which the motor is intented to workin ordinary service. D) PUMP (BIS 1520-1980 ) read with BIS 9137-1978 both latest with up to date ammendments a) Nos of pumps reqd. 2 no. pumps( one will act as stand bye). b) Spare parts required For Two years normal maintenance as recommended by manufacturer. c) Optional fittings reqd. Air cock for exahausting air from each stage. xi) Material of construction To be specified by the tenderer (manufacturer~s certficate to be appended)

Supply of suitable oil immersed star delta starter/ATS/stator rotor starter of standarad make such as MEI/Kilburn/Jyoti/ Siemens cnonforming to BIS-8544-1979 latest with up to date ammendments for squirrel cage (make to be specified by the tenderers) mounted on panel board withmagnetic type over load release & dashpot,time lag,under voltage release with initial oil filling .

Providing & fixing M S sheet 16 SWG steel fabricated floor mounted closed almirah type switch Board including angale iron post of suitable height and size ISA 40x40x6mm duly painted comprising and capable of mounting the following accessaries with all internal electri 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 comming 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 requcemended (Kilburn/L&T/MET/GEC as per BIS-2516-1977with upto date ammendments and of suitaible range with which should have control box, oprating handel 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 earth fault for tripping of breaker on occurance of earth fault on/ of 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 electricalsirens against single phasing,no voltage,high voltage & overloading & phase voltage difference

Change over Switch of reputed make & suitable capacity

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/ Kartar/Pelican of reputed make of suitable size cast iron PN-1 double flanged sluice valve having size equal to due step higher than delivery of pump and capable of with standing nominal seat pressure of 10 kg/cm^2

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Kartar /Pelican of suitable size cast Iron PN-1 double flanged swing check type reflux valve having bye pass arrangement & size equal to delivery of pump for withstanding nominal seat pressure of 10 kg/cm^2

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Kartar/Pelican of suitable size cast Iron double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/main for withstanding nominal seat pressure of 10 kg/cm^2

P/L suitable size copper PVC insulated armoured power 3 1/2 core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments Siemen/Gloster/L&T/Finolex/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 suchas 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..

P/L suitable size copper PVC insulated armoured power three core cable conformingto BIS 1554(part I)-1988 or latest with up to date ammendments Siemen/Gloster/L&T/Finolex/ICC make from switch to starter & starter to motor (one cable for 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.

P/L double loop earthing with copper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt ,GI pipes,thimbles,nut & bolts,digging of pits,GI wiring & 25x5mm copper 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 upto date ammendments BHEL/GEC/Machneil/ Mager/Bajaj /L&Tmake 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 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 ammendments.

P/L column pipe considering site requirements,NPSH required & available & common header having area equal to two times the area of delivery branch of pumpincluding tapers,flanges,rubber gaskets,3mm thick as per BIS-2712-1978 nuts & bolts as per1364-1983 & 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 thetotal presure indicated in item no. 1e(ii).

2ND STAGE:-Supply of horigental spindle, vertical split casing single/Multistage centrifugal / reciprocating pumps of standarad make such as KSB/Mather & Platt/Jyoti/ Kirloskar/ WASP /Best & Crompton conforming to BIS latest with upto date ammendments read with BIS 9137-1978 or latest to handle clear water having turbidity 500PPM with impellers ,casing ring& saft 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 Kirlosker/ NGEF/Crompton/Siemen/Joti/ABB/ Marathan approved by the department .slip ring/ squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below.NOTE: RECIPROCATING PUMPS SHALL BE OF WASP/ASPEE MAKE ONLY & SHALL CONFIRM TO RELEVENT BIS CODES A) SITE CONDITIONS i) Location of Site Pump House Near LISA Alga Pettu Pump House 1500+2110 Mtr ii) The altitude of place in which the motor is intended to work in ordinary service if it exceeds 1000 mt. iii) Humidit Weather generally remains humid during monsoon season. iv) Nature of atmosphere As normally encounterd in Shivalik Range 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 (if any) up to 500PPM ix) NPSH available Mts Postive suction x) Any other information or requirement B) OPERATING CONDITIONS = i) Type of current AC three/single phase ii) Operating frequency 50 HZ iii) Rated voltage 400 (+/-) 10% volts iv) System of earthing if any to Double loop earthing as per BIS 3043-1987 to be adopted. latest with upto date ammendments v) No. of working hours per day 12 hours vi) 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 25 Degree Centigrade & water in the place in which the motor is intented to work in ordinary service. C) MOTOR i) Ref to BIS code BIS 325-1978 read with BIS 900-1992 (latest)with upto date ammendments ii) Type of enclosure of motor SPDP(as per BIS 4691-1985 (latest) ( Electric induction motor should be energy efficient IE2 compliant & TEFC Type). iii) Type of duty Continuous iv) Mechanical out put in KW Suitable for driving centrifugal pumps required for duties specified against pumps.To avoid overloading of motor a margin of about 15-20% may be kept in the rated out put of prime mover. v) Class of insulation Class ~B~/Class "F" vi) Max.permissible temp.rise of --- motor reqd. if different from given in B(viii) above vii) Particulars of test reqd. & As per terms & conditions where they are to be conducted. viii) Particulars as to whether voltage ATS/star delta starter /Statar Rotor starter limiting device will be employed 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 to 50 KW & Stator rotor starter with slip ring motor ix) Motor whether squirrel cage or Squirrel cage/slipring motor slipring x) Details of shaft extension reqd. Just sufficient to provide direct drive by flexible coupling to pump. xi) Type of slip ring gear whether Continouslly rated for Squirrel cage/ continouly rated or for starting Slipring motor purposes only & whether to be fitted with brush lifting or short circuiting arrangements or both if interlocks are rquired. xii) Breakway torque in terms of rated Breakway torque to be given by the tenderer load torque & the corresponding but the starting current should not exceed breakway starting current which 2.5 times of the full load current. may be taken from the supply with the starting apparatus in circuit. xiii) Nature of load & any information To work the pump offered 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. xiv) Where possible fault capacity of The motor should be able to withstand the system to which the motor is initial current of 2.5 times the rated connected. current for two minutes without suffering damages or permanent deformations.

D) PUMP (BIS 1520-1980 ) read with BIS 9137-1978 both latest with up to date ammendments a) Nos of pumps reqd. 2 no. pumps one will act as stand bye. b) Spare parts required For Two years normal maintenance as recommended by manufacturer. c) Optional fittings reqd. Air cock for exahausting air from each stage. E) PUMP OPERATING CONDITIONS i) Capacity 20.23 lps for each pump. ii) Total head in Mts. 290.26 mts If total head is not known then following details be provided:- i) Static head 274.00 mts ii) Minimum depth of water -- Postive suction iii) Variation in water level -- mts iv) R.l of the highest delivery point 1048 mts v) R.L of pump[ house 774.00 mts vi) Pressure in the suction tank ____ Kg/cm^2 vii) Pressure in the delivery tank ....... Kg/cm^2 iii) Length of R/Main 2760 mts iv) Dia of R/Main 250 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 the tenderer viii) Limits of total head in which (-) 15% to (+) 10% of total head. the pump is reqd. to operate. 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 (manufacturer~s certficate to be appended)

Supply of suitable oil immersed star delta starter/ATS/stator rotor starter of standarad make such as MEI/Kilburn/Jyoti/ Siemens cnonforming 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.

Providing & fixing M S sheet 16 SWG steel fabricated floor mounted closed almirah type switch board including angale iron post of suitable height and size ISA 40x40x6mm duly paintedcomprising 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 havingcapacity 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 wirdth 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 comming 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 requcemended (Kilburn/L&T/MET/GEC as per BIS-2516-1977with upto date ammendments and of suitaible range with which should have control box, oprating handel and trip/reset bush button on/ off indicators, re-indicating off spring conditionof 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.

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 electricalsirens against single phasing,no voltage,high voltage & overloading & phase voltage difference

Change over Switch of reputed make & suitable capacity

Single phase preventor of reputed make & suitable capacity

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelican of reputed make of suitable size cast steel double flanged ASA-300 sluice valve having size one step higer to delivery of pump and capable of with standing nominal seat pressure of 52 kg/cm^2 class ASA-300 NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammend--ments.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) or class 600 ASA (seat pressure )104 Kg/Cm2as per BS 1414(API 600) .

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelican of suitable size cast steel ASA-300 double flanged swing check type reflux valve having bye pass arrangement & size one step higher to delivery of pump for withstanding nominal seat pressure of 52 kg/cm^2class ASA-300NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammend- -ments.However if the seat pressure exceeds the limits prescribed in BIS 780 then thesluice 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) or class 600 ASA (seat pressure 104 Kg/Cm2)as per BS 1414(API 600) .

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelican of suitable size Cast Steel ASA-300double flanged swing check type reflux valve having bye pass arrangement & size equal to dia of R/main ie 250 mm diafor withstanding nominal seat pressure of 51 kg/cm^2class ASA-300 NOTE:- The sluice valve shall conform to BIS 780-1984 latest with up to date ammend--ments.However if the seat pressure exceeds the limits prescribed in BIS 780 then thesluice 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) or class 600 ASA (seat pressure 104 Kg/Cm2)as per BS 1414(API 600) .

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Kartar of reputed make of suitable size cast iron flanged sluice valve confirming IS 780, size equal to dia of suction pipe ; PN1 provided with hand wheel/Cast iron Cap.

P/L suitable size copper PVC insulated armoured power 3 1/2 core cable conforming to BIS 1554 (Part I) -1988 or latest with up to date ammendments Siemen/Gloster/ICC/L&T/Finolex/ 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 suchas 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..

P/L suitable size copper PVC insulated armoured power three core cable conformingto BIS 1554(part I)-1988 or latest with up to date ammendments Siemen/Gloster/ICC/L&T/Finolex/make from switch to starter & starter to motor (one cable for 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.

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 /L&Tmake 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 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 ammendments.

Erection of all items except item no. 5 (a) to (c ) i/c cost of tees,bends tapes & any others fittings required as per site conditions and as per direction of Engineer-in -Charge.

Excavation in foundation and trenches etc.(in pipes and pits) in all kinds of soils such as pick work, jumper work, blasting in soft / hard rock, chiselling/wedging out of rock/ where blasting prohibited) saturated soil stacking the excavated earth within all leads and lifts clear from the edge of excavation and then returning the stacked soil in 15cm layers when required into plinth sides of foundation etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer –in-charge.

Providing, laying, jointing and testing in trenches of galvanized MSERW flanged pipes excluding cost of flanged bends of all degrees conforming to IS/ISO 3183-2007 Grade L210 or A as per dimensions weight and test pressure mentioned below in a random length of 4m - 6m, The M.S. flanges are to be provided 5% of total joints as per table below conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick sas per IS: 2712-1965 & 90% butt welded joints by considering minimum three layers. The welding of flanges to be done on both faces in two layers on outer face + one layer on inner face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipes should be conformed to IS: 5822-1994 (earth work in trenches, MS flanges and butt welded joint to be measured and paid for seprately) . The pipe shall have zinc coating as per IS:4736 in factory latest with upto date ammendements.Booster Stage Sorce to WTP 250 mm dia MSERW pipe IS/ISO 3183-2007 Grade L210 (Part-I grage medium having wall thickness (RD 0 to 15)

250 mm dia GMS/ERW Grade -L-210 or A IS/ISO 3183 : 2007 wall thickness 4.80

Rising Main 1st stage :-0/0 to 1200 PH to 1st stage 250 mm dia GMS/ERW Grade -L-290 orx42 IS/ISO 3183 : 2007 wall thickness 4.80

1200 to 2760 PH to 1st stage 250 mm dia GMS/ERW Grade -L-290 orx42 IS/ISO 3183 : 2007 wall thickness 4.80

Providing and welding M.S. flanges at suitable point, conforming to following tables as per IS: 6392-1971 (Latest with upto date amendments) with plain end GMS/MSERW pipe in requsite number of layers on both faces to make the joint leak proof (The cost of providing and laying of MSERW pipes to be measured and paid for seprately). The welding of flanges should conform to IS:816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364. including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00 mm conforming to IS 2712-1998. The work shall be done to the entire satifaction of engineer in charge with in all leads and lifts.tion of Engineer-in-Charge. Booster Stage:- Sorce to WTP 250 mm dia MSERW Pipe ISO: 3183-2007( Part-I grage mediu having wall thickness ( R.D. 0 TO 15 )

Booster stage 250 mm dia GMS/ERW Grade -L-210 or A IS/ISO 3183 : 2007 Flange Table-5

Ist Stage RD 0 to 600 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L-290 OR x 42 = 28.00

RD 600 to 1500 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L290 OR x 42 =23.00

RD 1500 to 2100 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L210 OR A =17.00

RD 2100 to 2400 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L290 OR A =11.00

RD 2400 to 2760 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L290 OR A=5.00

Providing circumferencial Butt welded joints by electrical arc welding to GMS/MSERW pipe, welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS: 816-1969 specifications, by using welding electrodes conforming to IS:814-1991, at site of work complete in all respects, including manual / mechanical handling of pipes and including DPT in all leads and lifts to the entire satisfaction of Engineer-in-Charge. Booster Stage:- Sorce to WTP 250 mm dia MSERW Pipe IS: 3183-2007 ( Part-I grage mediu having wall thickness ( R.D. 0 TO 15 )

Booster stage 250 mm dia GMS/ERW Grade -L-210 or A IS/ISO 3183 : 2007 Wall tiickness 4.80

Ist Stage RD 0/0 to 1200 250mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L290 OR x 42 Wall tickness 4.80

RD 1200 to 2760 250 mm dia MSERW Pipe IS 3183 IS/ISO 3183 : 2007 L290 OR x 42 wall tichkness = 4.80

Naik Electrical Works

KUSHAL SINGH RAGHAV

MNBN Enterprises