Providing LWSS to drought prone area of GP Sirmouri Mandir Dhar Tikkeri Banah Dhinni Jamun Ki Ser Katli and Sarahan under Jal Jeevan Mission by lifting drinking water from Giri river Tehsil Pachhad Distt Sirmour HP

Amount

Excavation in drain and channels etc in earth work for pipes up to all classification of earthwork such as pick work,jumper work, saturated soil including bailing or pumping out water, blasting soft/hard rock or chiselling soft/hard rock where blasting is prohibited in all lifts including jungle clearance wherever required, trimming & dressing of sides, levelling of beds to correct grade including shoring/struting, planking, timbering & dewatering wherever required stacking the useable /unuseable material/soil seperately & after laying, jointing & testing of pipes, returning the useable soil in trenches in 15 CM layers including consolidating of such deposited layer by ramming & water & then disposing of all surplus excavated soil/unuseable material as directed with in all leads & lift including restoration of un-metalled surfaces to its original condition & including cost of diversion for traffic, night singles, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects with in all leads & lifts as per directions of the Engineer in Charge.

laying, testing & commissioning at site in trenches following plain ended GMS Pipes of 100 mm diameter medium grade as under confirming BIS 1239-(Part-1)-1990 or latest with up to date ammendments, capable of withstanding required test pressure as prescribed in BIS code, in random length of 5.50 to 6.50 Mtr. The pipe's 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 ( leak proof) in three layers at site of work with welding rods of standard make & all allied accessories whatever required for welding at site, tail pieces,tees, bends manufactured from parent pipes etc. and cutting of pipes wherever required as per site requirement i/c carriage in all leads & lifts as directed by Engineer in Charge. ( Earth work shall be measured & paid for Seperately)

Providing,laying, testing & commissioning at site in trenches bevelled ended MSERW pipes of Grade B CONFIRMING TO IS/ISO 3183-2007 Or its equivalent grade as per API Specifications, having wall thickness & per Rmt weight as mentioned below & capable of withstanding required test pressure as prescribed in BIS code, in random lengths of 5.5 to 6.50 Mtr. The pipe's 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 up to date ammendments ( leak proof) in three layers at site of work with welding rods of standard make & all allied accessories whatever required for welding at site, tees, bends & other specials manufactured from parent pipe as applicable to the particular reach & of approved specification as per site conditions and cutting of pipes wherever required as per site requirement i/c carriage in all leads & lifts and as directed by Engineer in Charge. The pipe shall have's Zinc coating inside & outside confirming to IS-4736-1986 or latest with up to date ammendments & shall be engraved with IS/ISO 3183-2007 , Grade B. The laying shall confirm to BIS 5822-1970 or latest with up to date ammendments to the entire satisfaction of Engineer in Charge. ( Earth work shall be measured & paid for seperately).

1. 1300 2550 150 MM 7.90 mm 1250 GRADE" B"

2. 3550 4650 150 MM 7.10 mm 1100 GRADE" B"

3. 4850 5650 150 MM 6.40 mm 800 GRADE" B"

4. 6650 6950 150 MM 4.80 mm 300 GRADE" B"

5. 400 1050 150 MM 7.90 mm 650 GRADE" B"

6. 1250 1850 150 MM 7.90 mm 600 GRADE" B"

Providing, welding and fixing M.S. plate flanges of 65 mm dia. (nominal bore) of following Flange Tables confirming to IS 6392-1971 or latest with up to date ammendments to MSERW/G.I. Pipes after every 90 Meters or as per site requirement including cutting of pipes wherever required, welding in three layers (leak proof) confirming to specifications as prescribed in relvent I.S. code i.e. IS 816-1969 or latest as applicable with up to date ammendments with nuts, bolts & washers & specials etc. confirming to IS-1963 or latest with up to date ammendments including packing sheet i. e. asbestos fibre sheet minium 3mm thick and painting with anticorosive paints complete in all respect in all leads, lifts and carriage of material at site and as directed by the Engineer in Charge.

Pumping Machinery

Booster Stage

Supply, erection, testing & commissioning of submersible pumping set of reputed make KSB /Kirloskar/Mather & Platt/ Jyoti or any other reputed make,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 characteristics as mentioned in item No. 5 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:-

Nos of pump required:- 2 Nos pumps

Static head in mtrs. 98 mtrs

Total Head in mtrs : 115.03 mtrs

Capacity (in LPS) 7.37 LPS

Length of Rising Main 750 Mtrs

Dia of R/Main (in mm) 100 mm dia

Providing and fixing of Auto control panel with push button star delta starter for submersible pumps of L&T and reputed make fabricated with M.S sheet and Angle stand duly painted and complete with internal wiring ,comprising of main switch of suitable Amp. T.P. Volt meter, ammeter,hour run meter,copper busbar ,capacitor prassure gauge phase indicating lamps with GSM based , Remote start/stop operation call/SMS for feedback regarding running of pumps & breakdown message, timer scheduling for fixed hours in a day,Inbuilt protection against overload/undervoltage,Dry run,single phase preventor,Inbuilt GPS tracker,phase reversal configurable volt/current limits with a facility to access the system through minimum 10 Nos. authenticated mobile Nos. complete in all respect, including entire carriage of materials upto all leads and lifts,installation and testing at site with entire satisfaction of Engineer-in-charge.(All meters to be installed shall be DISITAL.)

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB/Pelicon make of suitable size cast steel double flanged swing check type reflux valve having bye pass arrangement & size one size larger than the nominal dia of delivery of the pump or equal to dia of column pipe (in case of t/well) and capable of withstanding nominal seat pressure as mentioned in item No.5-(a)+SURGE PRESSURE & conforming to API standards with up to date ammendments for delivery line of pump.Class of valve shall be ASA 300.

P/L suitable size copper PVC insulated armoured power three & half core cable 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 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 .

P/L PVC jointless flat water proof cable 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.

P/L 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 ammendments suitable for above motors & other electrical equipments.

1st stage

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standard make such as KSB/ Kirloskar/M&P or any other make conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 make to handle clear water, having characteristics as mentioned below in Item No. 9(A), with impelleres,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 /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below i/c the cost of all the accessories in all leads and lifts & carriage of material at the site as per directions of Engineer-in-charge.

Total Head 445.33 Mtrs

Capacity of pump{two Pump will run and one will acts as standbye} 10.83 LPS Each

Dia of R/Main 150mm

Length of R/main 2400 mtrs

Providing and fixing of Auto control panel with push button 2Nos.star delta starter for centrifugal pumps of L&T and reputed make fabricated with M.S sheet and Angle stand duly painted and complete with internal wiring ,comprising of main switch of suitable Amp. T.P. Volt meter,copper busbar,pressure gauge,capacitor, ammeter,hour run meter, phase indicating lamps with GSM based , Remote start/stop operation call/SMS for feedback regarding running of pumps & breakdown message, timer scheduling for fixed hours in a day,Inbuilt protection against overload/undervoltage,Dry run,single phase preventor,Inbuilt GPS tracker,phase reversal configurable volt/current limits with a facility to access the system through minimum 10 Nos. authenticated mobile Nos. complete in all respect, including entire carriage of materials upto all leads and lifts,installation and testing at site with entire satisfaction of Engineer-in-charge.

Supply &fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB make of Cast steel double flanged motorized sluice valve compatable with automation having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No.9(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump. class ASA 600

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make of suitable size cast steel double flanged swing check type motorized reflux valve Complatable with automation 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 mentionmed in item No. .9(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump class ASA- 600.

Supply & fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelicon make of suitable size Cast Steel double flanged swing check type motorized reflux valve Complatable with automation conirming to API/ standard with up to date ammendments for R/main as mentioned in item No.9(c) for withstanding nominal seat pressure as per item No..9(a)+surge pressure.The size of reflux valve shall be equal to size of Rising main of the same shall be provided with suitable bye pass arrangements. class ASA 600 AND DIAMETER OF VALVE IS 150 MM.

Supply of Kirloskar/Jyoti/Standard/Kilburn make cast iron flanged/screwed type Sluice valve (In case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow is not more than 3.00 mtr/sec. with strainer of dia equal three to four times of dia of suction pipe conforming to BIS 4038-1986 or latest with up to date ammendments.C.I PN 1.6.

P/L suitable size copper PVC insulated armoured power three & half core cable 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 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.

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments 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.

P/L 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 ammendments suitable for above motors & other electrical equipments.

P/F double flanged suction, delivery pipe & common header 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 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. 9 (E)-(ii). The size of suction pipe shall be one or two sizes larger than the suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump.

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

2nd stage

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standard make such as KSB/ Kirloskar/M&P or any other make conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 make to handle clear water, having characteristics as mentioned below in Item No. 14(A), with impelleres,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 /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below i/c the cost of all the accessories in all leads and lifts & carriage of material at the site as per directions of Engineer-in-charge.

Total Head 451.99 mtrs

Capacity of pump{two Pump will run and one will acts as standbye} 10.83 LPS each

Dia of R/Main 150mm

Length of R/main 3600 mtrs

Providing and fixing of Auto control panel with push button star delta starter (2 Nos) for centrifugal pumps of L&T and reputed make fabricated with M.S sheet and Angle stand duly painted and complete with internal wiring ,comprising of main switch of suitable Amp. T.P. Volt meter,copper busbar,pressure gauge,capacitor, ammeter,hour run meter, phase indicating lamps with GSM based , Remote start/stop operation call/SMS for feedback regarding running of pumps & breakdown message, timer scheduling for fixed hours in a day,Inbuilt protection against overload/undervoltage,Dry run,single phase preventor,Inbuilt GPS tracker,phase reversal configurable volt/current limits with a facility to access the system through minimum 10 Nos. authenticated mobile Nos. complete in all respect, including entire carriage of materials upto all leads and lifts,installation and testing at site with entire satisfaction of Engineer-in-charge.

Supply &fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB make of Cast steel double flanged motorized sluice valve compatable with automation having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No.14(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump. class ASA 600

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make of suitable size cast steel double flanged swing check type motorized reflux valve Complatable with automation 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 mentionmed in item No. .14(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump class ASA- 600.

Supply & fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelicon make of suitable size Cast Steel double flanged swing check type motorized reflux valve Complatable with automation conirming to API/ standard with up to date ammendments for R/main as mentioned in item No.14(c) for withstanding nominal seat pressure as per item No.14(a)+surge pressure.The size of reflux valve shall be equal to size of Rising main of the same shall be provided with suitable bye pass arrangements. class ASA 600 AND DIAMETER OF VALVE IS 150 MM.

Supply of Kirloskar/Jyoti/Standard/Kilburn make cast iron flanged/screwed type Sluice valve (In case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow is not more than 3.00 mtr/sec. with strainer of dia equal three to four times of dia of suction pipe conforming to BIS 4038-1986 or latest with up to date ammendments.C.I PN 1.6.

P/L suitable size copper PVC insulated armoured power three & half core cable 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 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 of 15 Rmt.

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments 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.

P/L 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 ammendments suitable for above motors & other electrical equipments.

P/F double flanged suction, delivery pipe & common header 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 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. 14(E)-(ii). The size of suction pipe shall be one or two sizes larger than the suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump.

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

3rd stage

Supply, erection, testing & commissioning of horizontal spindle,horizontal split casing,radial split Single,/Multistages centrifugal pumps of standard make such as KSB/ Kirloskar/M&P or any other make conforming to BIS 1520-1980 with upto date ammendments read with BIS 9137-1978 make to handle clear water, having characteristics as mentioned below in Item No. 19(A), with impelleres,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 /Kirlokar/ NGEF/ Crompton / Siemen/Jyoti /GEC make slip ring /squirrel cage screen protected drip proof induction electric motor suitable for operation on the data given below i/c the cost of all the accessories in all leads and lifts & carriage of material at the site as per directions of Engineer-in-charge.

Total Head 497.77 Mtrs

Capacity of pump{two Pump will run and one will acts as standbye} 10.83 LPS each

Dia of R/Main 150mm

Length of R/main 4860 mtrs

Providing and fixing of Auto control panel with push button star delta starter (2 Nos) for centrifugal pumps of L&T and reputed make fabricated with M.S sheet and Angle stand duly painted and complete with internal wiring ,comprising of main switch of suitable Amp. T.P. Volt meter,copper busbar,pressure gauge,capacitor, ammeter,hour run meter, phase indicating lamps with GSM based , Remote start/stop operation call/SMS for feedback regarding running of pumps & breakdown message, timer scheduling for fixed hours in a day,Inbuilt protection against overload/undervoltage,Dry run,single phase preventor,Inbuilt GPS tracker,phase reversal configurable volt/current limits with a facility to access the system through minimum 10 Nos. authenticated mobile Nos. complete in all respect, including entire carriage of materials upto all leads and lifts,installation and testing at site with entire satisfaction of Engineer-in-charge.

Supply &fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/KSB make of Cast steel double flanged motorized sluice valve compatable with automation having size one size higher than the nominal delivery size of pump and capable of withstanding nominal seat pressure as mentionmed in item No.19(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump. class ASA 600

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader make of suitable size cast steel double flanged swing check type motorized reflux valve Complatable with automation 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 mentionmed in item No. .19(a)+surge pressure & conforming to API-standards with up to date ammendments for delivery line of pump class ASA- 600.

Supply & fixing at site of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/Pelicon make of suitable size Cast Steel double flanged swing check type motorized reflux valve Complatable with automation conirming to API/ standard with up to date ammendments for R/main as mentioned in item No.19(c) for withstanding nominal seat pressure as per item No.19(a)+surge pressure.The size of reflux valve shall be equal to size of Rising main of the same shall be provided with suitable bye pass arrangements. class ASA 600 AND DIAMETER OF VALVE IS 150 MM.

Supply of Kirloskar/Jyoti/Standard/Kilburn make cast iron flanged/screwed type Sluice valve (In case suction lift is involved) for suction pipe having size one or two size larger than suction size of pump such that valocity of flow is not more than 3.00 mtr/sec. with strainer of dia equal three to four times of dia of suction pipe conforming to BIS 4038-1986 or latest with up to date ammendments.C.I PN 1.6.

P/L suitable size copper PVC insulated armoured power three & half core cable 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 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 of 15 Rmt.

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (part I)-1988 or latest with up to date ammendments 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.

P/L 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 ammendments suitable for above motors & other electrical equipments.

P/F double flanged suction, delivery pipe & common header 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 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. 19(E)-(ii). The size of suction pipe shall be one or two sizes larger than the suction size of pump such that valocity of flow in suction pipe is not more than 3.00 mtr/sec & delivery pipe shall be of size one size larger than nominal delivery size of pump.

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

Errection of all equipments from including cost of tees bends tapers and any other fittings required as per site conditions and as per direction of the Engineer Incharge ,of all stages (Booster, 1st ,2nd,3rd.)

H. C. Bansal Engg. & Contt.

competent associates