Kerala Water Authority Tender

Working Charges

OD306861/2023-2024:Supply and erection of centrifugal pump set with following specifications 1.Pump-: Supply, erection, testing and commissioning of KWA pre qualified reputed make Centrifugal pump sets with bronze/SS impeller, SS shaft and CI pump casing with suitable type base plate with coupling, coupling guard foundation bolts nuts etc. complete suitable for coupling the pump and motor above the base plate etc. complete including providing suitable foundation including cost of cement, sand and metal etc. complete. The duty condition is as follows Discharge 48 lps.Total Head-30m 2. Motor : Supply, erection , testing and commissioning of KWA pre qualified reputed make horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working 3 phase 50 Hz AC supply, working voltage 415V. The motor shall conform to IE/KSEI/KSEB of IE3 Class including providing suitable concrete foundation including cost of cement, sand and metal etc. complete. Flexible coupling shall be used for coupling of pumps and motors. 3. Starter Supply, erection, testing and commissioning of suitable rating fully automatic starter with air break contact suitable for the above motor with over voltage and under voltage protection, single phase preventer, over load relay with motor protection relay with main contactor and bypass contactor as per IE rules and code of practice etc. complete. 4. Panel board: (Suitable for operating two pump sets but one pump set at a time) Supply, Design, fabrication, erection, testing and commissioning of Cubicle type, floor mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity MCCB as incomer and 2 Nos. of suitable capacity MCCB as out going (the two MCCBs are interlocking with each other) providing suitable size aluminum bus bar to interconnect the above MCCBs and fitted with 3 Nos. of indicator lamps, 1 No. volt meter with selector switch etc. complete and provided with a common earth bus for the entire panel and interconnect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling : work Supply, erection, testing and commissioning of suitable size XLPE cables for the above pump set panel board to starter and from starter to motor, considering energy conservation 6. Earthing : Supply of all materials and providing suitable earthing by using suitable size pipe or plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards. 7. Capacitor: Supply, erection , testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. The capacitor shall conform to IS 2834 8. Valves :Supply of suitable size best quality heavy duty ISI marked CI double flanged sluice valve and non - return valve with suitable pressure rating. Fitting of valves shall include proper RCC support especially for non - return valves.IN case of positive suction pump set, sluice valve should be in suction as well as delivery sides for easy repair works 9. Suction and delivery pipe connections: Supply and fitting of suitable size best quality GI/M.S pipe of thickness not less than 8mm for a total length of 10.00m suitable for the above pump set and connecting the suction pipe and valve with suitable flanges nut bolts IR sheets etc. complete and connecting the delivery side of pump with the valves and suitable specials to connect with the pumping main. If the dia. of suction pipe is above 80mm, CI pipes and specials shall be provided