Lift Irrigation Scheme Parnal in Tehsil Ghumarwin District Bilaspur (H.P.) (SH Supply and Erection of Centrifugal Pumping Machinery along with allied accessories and providing laying jointing and testing of rising main MSERW pipe 200mmdia ).

Amount

Providing horizontal spindle horizontal split casing/end suctions (back full out arrangement) single/double/ multistage centrifugal pump or combination of pump in series of recommended make such as Mather and Platt/KSB/Kirloskar/ LUBI as per BIS-1520-1980 with up to date amendments, read with IS: 9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze impellers/priming funnels, casing ring and shaft sleeves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on a MS/Cast steel base plate ( base plate to be from the manufacturers of the pumping unit only) to Squirrel Cage drip proof induction motor of standard make such as Kirloskar/Crompton/NGEF and suitable for operation on 400 (+)/-) 10% volts, 50 cycles/second, 3 phase AC electric supply. The power of electric motor should be at least 10% in excess of the maximum power required by the pump in the operation range of (+) 10% and (-) 25% of the duty point head. The motor should be as per IS: 325-1978 with up to date amendments(Please see specifications, terms and conditions in the SOQ PDF file attached)

Providing ICTP Main Switch with HRC fuses/Side handled operated Change over switch of L&T/Crompton/Standard/Havells make suitable capacity Operational rating as per IS: 4064-1978 with up to date amendments immediately after the power meter of HPSEB -200 Amp. (Please see specifications, terms and conditions in the SOQ PDF file attached)

Providing M.S. sheet, steel fabricated floor mounted closed ( Almirah type) switch board including angle iron post of suitable height and size ISA 40x40x6mm, duly painted, with steel sheet of 16 gauge comprising, capable of mounting the following accessories with all internal connections:-Panel/Switch Board:(Please see specifications, terms and conditions in the SOQ PDF file attached) (Please see specifications, terms and conditions in the SOQ PDF file attached)

M.C.B./OCB Havell/MDS/Standard of make of suitable capacity on incoming feeder with or without initial oil filling as the case may be with neutral linked under voltage releases as per IS: 2516-1985 with up to date amendments with.

E.L.C.B. of Havell/MDS/INDETEC make as per IS: 2516-1977 with upto date amendment and of 63 Amp capacity 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 tape etc. It should also be lifted with earth fault for tripping of breaker on occurrence of earth fault on off breaker load side end.

The voltage monitor relay of L&T/AE make three phase with all protection and usual indicator and electric siren against single phasing low voltage, high voltage, reverse phasing, over loading and phase voltage difference as per IS: 3842 ( Latest edition).

Power factor meter of AE/L&T Rishab make as per relevant IS codes with up to date amendments of suitable rating.

Frequency meter of AE/ L&T Rishab make as per relevant IS: Codes with up to date amendments of suitable rating.

Bus bar chamber with copper strips having three bars of suitable rating for full length equal to the width of the board for three live phases and suitable for induced current, one copper bar of half the rating of full length for neutral phase as per IS: 8084-1976 and IS: 11353-1985 read with BIS 5578-1985 with up to date amendments, sutiable rating.

ICTP switches with HRC fuses of L&T/ Standard/Havells make and of suitable capacity as per IS: 4064-1978 with up to date amendments. sutiable rating.

Three phase indicator lamps complete with toggle switches for individual motors as per IS: 3452 ( P-I&II) with up to date amendments.

Capacitor of L&T/Bajaj/Assian/Crompton make as per IS:2834-1986 with up to date amendments to raise the power factor at site to 0.95 for direct connections to induction motor individually of required 19 KVAR rating according to HP offered including cables as per relevant ISI code ( of Siemens/Glocter/IEC make) from bus bar chamber to capacitor and also including ICTP switches of appropriate range as per IS: 4064-1978 with upto date amendments

Providing suitable oil immersed Star delta ATS starter of MEI/Kilburn make as per IS: 8544-1979 with up to date amendments for Squirrel Cage motor mounted on panel board with magnetic type overload release and dashpot time lag, under voltage release with or without initial oil filling as the case may be with single phase preventor as per IS 1248 (P-V)-1983 with up to date amendments.Starter:(i) Type.(ii) Make.

Single Phase Preventor.(i) Type.(ii) Make.

Providing Hour run meter of recommended make of suitable capacity as per IS: 722 (Latest edition)

Providing double flanged Cast iron sluice valve of Leader/Kirloskar/Kartar/KSB/Pelican make of suitable dia for the suction pipe and capable of withstanding the normal seat pressure as per IS: 780-1984 with up to date amendments.

Providing double flanged Cast steel sluice valve of Leader/Kirloskar/KSB/Kartar/ Pelican make and size one dia. higher than pump for the delivery line of the pump and capable of with standing the normal seat pressure and as per IS –1414/ API-600(class-ASA-150) with up to date amendments.

Providing double flanged (Swing type) Cast steel reflux valve of Leader/Kirloskar/KSB/Pelican make and one dia. higher than pump having bye pass arrangement on the delivery line of pump and capable of with standing normal seat pressure as per IS –1414/ API-600(class, ASA-150) with up to date amendments.

Providing double flanged Cast steel non return valve of Leader/ Kirloskar/KSB/ Pelican/ Kartar make and of 200 mm dia. having bye pass arrangement for rising main and capable of with standing normal seat pressure as per per IS –1414/ API-600(class, ASA-150) up to date amendments.

Providing 100mm dia. circular dial pressure gauge of Fiebig make complete with all accessories such as stop cock, copper tubing etc. as per IS: 3624-1987 with up to date amendments range 0-52 Kg/cm2

Installation of all the items appearing at Serial No. 1 to 8 as per the systematic drawing attached with the tender documents ( Drg.No.1)

Providing and fixing double flanged MSERW / GI piping work layout to be approved by the Engineer-in-Charge for suction and delivery pipes suitable to pump(s) offered and common header as per the rising main respectively complete with all specials such as bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories as indicated in the drawing No.2 including rubber/asbestos gasket of minimum 3mm thickness as per IS 2712-1979 and required number of nuts and volts as per IS: 1364-1983. The pipes shall be as per relevant IS Code and to withstand 1.5 times total head stipulated under item No.1. The size of the various components to be as under:- (i) Suction pipe 200 mm dia Min. length = 15 mtr. (ii) Delivery pipe 150 mm dia -do- = 5 mtr .(iii) Common Header 200 mm dia -do- = 10 mtr. And will extend up to 5 meters from the outer wall of the pump house in the direction to be jointed.

Providing and laying copper PVC insulated armoured power cable ( one cable carrying all the three phases) of suitable size and capacity to and all other electrical equipments as per IS: 1554 (P-I)1988 or latest with upto date amendments of Siemens/ IEC/ICC/GICO/Grandly/National make including all other accessories such as thimbles, flexible, pipes solder, nuts and bolts, cable glands etc. laid in pipes or trenches under floor. Motor side: Suitable size Min length = 20 mtrs. Supply side: Suitable size Min. length =10 mtrs.

Providing and fixing double loop earthing Copper plate 600mmx600mmx3mm thick electrode complete with material such as thimbles, nuts and bolts, charcoal and common salt, 4 SWG/8 SWG copper strips & G.I. wire as per IS: 3043-1987 with up to date amendments for motors and other electrical equipments and digging of pits etc. complete in all respect.

(ii) (SH: Providing laying jointing and testing of MSERW pipe 200mmdia

Excavation in foundation and trenches etc. ( for pipe and pits) up to all depths and in all kinds of soils such as pick work, pick jumper work, saturated soil including bailing or pumping out of water, blasting in soft/ hard rock, chiseling/wedging out of rock where blasting is prohibited, in all leads and lifts including trimming and dressing of sides, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering wherever required, stacking usable and unusable materials/ soils separately and after laying, jointing and testing of pipes, returning the usable soils in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil / unusable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and including cost of diversion of 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 the direction of the Engineer-in-charge. (Pick jumper work)

Providing laying jointing and testing in trenches ( to level or grade) of MSERW pipes jointed with joint flanged and remaining butt welding joint of below diameter (including the cost of bends) conforming to IS: 4736-1986 (latest upto date amendments) of grade and wall thicness as specified below suitable to withstand required hydraulic test pressure in random length 4m,6m with plain ends and jointed with MS flanges conforming to IS: 6392-1971 (latest upto date amendmenets) and welding of flanges as per IS: 816-1969 with electrodes as per IS: 814-1991 including required number and size of MS nut and bolts as per IS: 1369-1967 and compressed asbestos fibre jointing gaskets sheet not less than 3.00mm in thickness as per IS: 2712-1998. The welding of flanges to be done onboth faces in two layers outer side and one layer inner side to make the joint leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipe conform to IS: 5822-1994 and as per CPHEEO manual and will include all operations such as cutting welding and jointing including slushing, cleaning and hydraulic tesitng complete all respect and to the entire satisfaction of the Engineer-in-charge including entire carriage of materials upto all leads and lifts. Pipe willbe measuredin straight lengthonly (Earth work in trenches, flanged joint (at every fith joint) and butt welding joint will be measured and paid for separately). The pipe shall have zinc coating as per IS: code 4736-1986

1st stage: 200mm dia MSERW pipe as per IS: 4736-1986 of wall thickness 4,00m

Providing welding and fixing MS flanges of total joint, conforming to folowing tables as per IS: 6392-1971 (latest with upto date amendements) and welding of MS flange with GI / MSERW pipes in two layers outer side and one layer inner side on both faces to make the joint leak proof (the cost of providing and laying of MSERW pipe to be measured and paid for separately). The welding of flanges should conform to IS: 816-1969 with electrodesas per IS:814-1991 and required number of nuts and bolts conforming to IS: 1364. the thickness of gasket not less than 3.00mm conforming to IS: 2712-1998. The work shallbe done as per entire satisfaction of the Engineer-in-charge.

1st phase: 200mm dia MS flange pipe IS:6292-1971 of wall thickness 4.00mm table-17

Providing circumferential butt welded joints by electrical arc welding to the varous dia MSERW pipe as per conforming to IS: 3183-2007/1978-1982 (latest upto date amendements of grade and wall thickness as specified below welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of welding conforming to IS: 816-1969 specifications by using welding electrodes of 2.5mm to 6.3mm of Advani Orelon (Adore)-CITOJET/ESAB make, conforming to IS: 814-1991 at site of work complete in all respect, including manual/ mechanical handling of pipe in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

1ST PHASE: 200mm dia MSERWpipe IS: 4736-1986 of wall thickness 4.00mm

Raman Thakur Govt. Cont.

Naik Electrical Works

MNBN Enterprises