Repair and maintenance of LWSS Sundernagar Town Tehsil Sundernagar Distt. Mandi H.P.

Amount

Providing Installation Testing & Commissioning of horizontal spindle,horizontal/redial split casing/end suction (Back-pull out arrangements) single/double/multi stage centrifugal pump of Kirloskar make Model RKB65/19E 6 stages or compatible pump set of other brand/make approved by the JSV as per BIS 1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting clear and cold water having turbidity upto 5 ppm with bronze,impellers/priming funnels,casing ring and shaft sleeves of bronze,shaft of steel grade 45C8/ EN8 with cast iron casing coupled directly through a flexible coupling on a common MS Base Plate( on existing RCC platform) to squirrel cage TEFC Energy efficient motors ( Conforming to energy efficiency code IE2 or higher ) Tentative 125 HP of CG POWER/Havells/Kirloskar or any other brand/make approved by JSV suitable for operation on 415 (+10% ) and ( -10% ) volts, 50 cycles / second, 3 phase AC electric supply. The power of electric motor/motors should be at +10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-)15% of the duty point head. The motor/motors as per ISI:325:1978 with upto date ammendments read with IS 900:1972. It should include cost of bearing, nuts , bolts, installations inclusive of all taxes, transportation, freight charges, inpsection charges, loading, unloading, conveyance to Departmental stores / site, stacking, etc. including specials and wastage etc. Pump and motor set shall be installed on existing RCC foundation and shall be coupled with the existing suction and existing delivery pipe line of common header and complete as per specifications and instruction of Engineer-in-charge. The pump and motor will be installed in the premises of LWSS Sundernagar at Chandpur and there is no head load involved. The rates must be inclusive of complete set i.e. pump and motor. Total head 262.00 mtr. discharge=21.10 LPS.

Providing , laying, jointing (by way of circumfrential butt welded joints in three layers by electrical arc welding ) and testing in trenches MS pipe of following dia meter confirming to ISO 3183-2007 (latest up to date ammendments) steel grade and having wall thicknesss as specified below the plain end and capable of with standing required test pressure in a random length of 4 to 7 meters, including special short pieces, beds reducers, tees etc. made from parent tubes . Providing and welding of MS Flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to datte amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes, 3mm thick compressed asbestos fiber/synnthetic rubber gaskets confiming to relevant BIS standards The laying of pipe will include all operation suc as cutting welding, jointing, providing and fixing of MS flanges, fabriction of bends, tees etc. including lowering and laying excavated trences ton ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (Zinc coating both inside and out side) as per relevant IS standards and the damaged portion of the pipes and specials made from the parent tube shall be provided anticorrosive treatment by applying two coats of abticorrosive bituminous paint over a priming coat as per AWWA specification C-203-1978. The welding electrodes shall be as per IS 814: 2004 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately). 250mm dia X-42 API-3183 wall thickness 5.60mm

Providing and fixing of M.S. flanges at suitable reaches, conforming to Table as per IS:6392-1971 (Latest with upto date amendments) and welding of MS Flanges with MS pipes in two layers on both faces to make the joint leak proof (The cost of providing and laying of MS Pipes to be measured and paid for separately). The welding of flanges should conform to IS 816-1969 with electrode as per IS : 814-1991 and required number of nuts & bolts conforming to IS: 1364. The thickness of gasket not less than 3.00mm conforming to IS : 2712-1998. The work shall be done including all leads and lifts and as per entire satisfaction of Engineer-in-charge. 250mm dia X-42 API-3183 th.5.60mm thick Flange Table-17

Manufacturing and fixing of bend parent tube 250mm dia including all leads and lifts and as per entire satisfaction of Engineer-in-charge.

General Machinery Corporation (BID ID -565070)

M.V.Associates (BID ID -565556)