2006 306 17233 Prov Sewerage System Theog

Providing horizontal spindel horizontal/radial split casing/end section (back pull out arrangment) single/double/multistages Sludge pump or combination of pumps, in series/parallel of recommended make such as Mather and Platt/ KSB/Becon wire/BE/Kirloskar/ Tyoti as per BIS 1520-1980 with upto date ammendements read with IS-9137-1978 or latest eddition suitable for lifting Clear water for under mentioned charterstic with bronze, shaft of steel grade- with cast iron casing coupled directly through a flexible coupling on a common C.I/cast steel base plate (base plate to be from the manufacturers of the pumping unit only) to Slip/Ring/Squarrel cage screen protected drip proof induction motor od standered make such as Kirlosker/Crompton/Bhel/NGEF/GEC/ SIEMEN/JYOTI/ABB suitable for operation on 415 (+)/(-) 5% vilts, 50 cycles/second, 3 Phase AC electrical supply. The power of electrical motor should be atlest 10% in exess of the maximum power required by the pump in the operation range of (+) 10% and (-) 25% of duty point head. The motor should be as per IS: 325-1978 with upto date ammendements read with IS: 900-1972. it should include cost of bearing nuts, bolts and pointing etc. and should meet the following requirements:- (i) Discharge (Q) 15.97 LPS Cum/Hr per set (ii) Total Dynamic Head : 25.48 mtr (a) LWL in sump well (h):- mtrs. (b) Shaft level:- mtrs ( c) Leavel at dicsharge points:- metrs. (d) Suction lift:- 3.00 mtrs (e) Residual head :- 3.00 mtrs (f) Static head :- 21 mtrs. (iii) Rising Main (a) Length 55 mtrs (b) Dia:- 150 mm (iv) Pumping Hours 8 hours. (v) Altitude of Installation above MSL - mtrs (vi) Characterstics of water (a) Temperature ०C (b) Abient Temperature ०C ( c) Turbidity Clear water JTU (d) Alkalanity Mg/CA CO3 (e) Size of the solids Mm (f) other