Kerala Water Authority Tender

Working Charges

OD17638/2024-2025:Supply and erection of CF pump set with the following specification 1. Pump -Supply, erection, testing and commissioning of KWA prequalified reputed make slow speed split case centrifugal pump set with Bronze impeller, SS shaft and CI pump casing with suitable type base plate with pin and bush coupling, coupling guard foundation bolts &nuts etc. complete including providing suitable concrete foundation including cost of cement, sand, metal etc. complete. Discharge 42 lps, Total head 20m, Suction head 4m. 2. Motor Supply, erection, testing and commissioning of KWA prequalified 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 415, RPM 1450. The motor shall confirm to IE3, IS 325 including providing suitable concrete foundation, including cost of cement, sand and metal etc. complete. Pin and bush coupling shall be used for coupling of pumps and motors. 3. Starter - Supply, erection ,testing and commissioning of suitable rating Star Delta starter with 50A 3 pole air break contact. Starter suitable for the above motor with over voltage and under voltage protection, single phase preventer, over load, under load phase unbalancing with motor protection relay, hour meter as per IE rules and code of practice etc. complete. 4. Panel board - Supply, erection, testing and commissioning of cubical type wall mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. 100A motor protection MCCB 36ka as incomer and outgoing, providing suitable size Aluminum bus bar to interconnect the above MCCBs and fitted with 3Nos of indicator lamps, 1 No. volt meter with selector switch, 1 No. Ammeter with selector switch for measuring current in each phase etc. complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. and interlocking outgoing MCCB. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling - Supply, laying testing and commissioning of suitable size XLPE copper cables for the above pump set from 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 /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 above 0.95. Capacitor connected to external contact-The capacitor shall confirm to IS 28348. 8.Valves and pressure gauges - supply of suitable size best quality heavy duty ISI marked CI double flanged sluice valve, non return valve, ball type CI footvalve and pressure gauges with suitable pressure rating. Fitting of valves shall included proper RCC support especially for non return valves. 9. Suction and delivery pipe connection must be next higher size of pump nozzle size. Supply and fittings of suitable size best quality MS pipe of shell thickness not less than 8 mm for a total of 10 M. suitable for the above pump set and connecting the suction pipe and valve with suitable flanges, nut &bolt IR sheet etc. complete and connecting the delivery side of the pump with the valves and suitable specials to connect with the header pipe.

18.73.2:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :150 mm dia Ductile Iron Double Flanged