Himachal Pradesh Irrigation And Public Health Department Tender

LWSS Sawar Gahar Padhian:-Providing & Installation of horizontal spindle horizontal split casing / end suctions (back pull out arrangement ) single /double/multistage centrifugal pump or combination of pump in series of NGEF /RKB/mather and platt and /KSB and Kirloskar make as per BIS 1520-1980 with up to date amendments, read with IS:9137-1978 or latest edition suitable for lifting clear water . The pump should be fitted with bronze impellers, priming funnels , casing rings, shaft sleeves of bronze, shaft of steel grade EN-8 with cast iron casing coupled directly through a flexible coupling on MS/ Cast steel base plate ( base plate to be provided from the manufacturer,s of the pumping unit only) to squirrel cage drip proof induction motor of standard make such as Kirloskar/Crompton/ KSB confirming to BIS 9238-1979 latest with up to date amendments and suitable for operation on 400 (+/-) 10% volts, 50 cycles / second, three phase AC electric supply. The power of electric motor should be atleast 10% in excess of the maximum power required by the pump in the operation range of + 10% and - 15% of the duty point head. The motor should be as per IS 325-1978 with up to date amendments.The pump set should suitable for operation on data given below:- (2 No. Pumping set i.e. 2x 50= 100 HP ) Discharge:-13.88 LPS per set, Total dynamic head :- 160.30 metre, Residual Head 3 meter- Dia of Rising Main:-125 mm , Length of Rising Main:-840 Rmt, Pumping Hours:- 8 hours, suction + VE Coupling and base plate :- 1 sets, Turbidity :- less than 50 NTU, Temprature 20 degree to 45 degree centigrade.

Providing and fixing double flanged GMS piping network for suction and delivery pipes suitable to pumps offered and common header as per the rising main respectively complete with all specials such as rappers, flanges, rubber gaskets minimum 3 mm in thickness as per IS 2712-1979, nuts and bolts as per IS:1364-1983, bends ,tees reducers/ increasers with companion flanges matching with the relevant specifications of the accessories as per drawing up to 5 metre away from the outer wall of pump houses. The pipes shall be as per relevant IS Code and to withstand 1.5 times total head stipulated.The size of various components are as under:- Suction pipe 150 mm dia M.C Minimum length= 5 metre Delivery pipe 100 mm dia M.C Minimum length= 10 metre Common header 125 mm dia M.C Minimum length = 10 metre The GMS tube confirming to IS :- 1239-1979 part-I Medium class flanged with MS flanges of table 5 in suction pipe and heavy class flanged with MS flanges of table 17 in delivery side and common header.

Providing and laying suitable size copper PVC insulated armoured power 3.5 core 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/ make from metre of HPSEB to MCB and from MCB to bus bar switch and starter 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 capacity Min length = 20 mtrs. Supply side: suitable capacity Min. length =10 mtrs.