Kerala Water Authority Tender

Appendix :2 A- Cost of Materials

5.9.2:Centering and shuttering including strutting, etc. and removal of form for:Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

OD210083/2024-2025:Erection Testing and commissioning of LT C F 7.5 HP pump and motor set with the following specifications. 1. Pump 2nos( One no working at a time and one standby) 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 concrete foundation including cost of cement, sand and metal etc. complete. The duty condition is as follows. Discharge per pump: 3.10 LPS Total Head: 104.00m Suction head: -ve Speed Max : 1500 rpm, 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 V. The motor shall confirm to EEFI/IS 325 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 star delta starter with air break contact suitable for the above motor with over voltage and under voltage protection, single phase preventer, over load relay 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, erection, testing and commissioning of cubical type floor mounted MS fabricated dust and vermin proof common control panel board consisting of 1No. suitable capacity MCCB as incomer and 3nos of suitable capacity MCCB as outgoing (the two MCCBs are interlocking with each other, 3rd as spare) providing suitable size Aluminium bus bar interconnect the above MCCBs and fitted with 3 Nos. of indictor lamps, 1No. volt meter with selector switch, 1No. Ammeter with selector switch, kw & pf meter 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. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling work Supply, laying, testing and commissioning of suitable size XLPE 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 factor above 0.95. The capacitor shall confirm to IS 2834. 8. Valves Supply of suitable size best quality heavy duty CAST STEEL DOUBLE FLANGED valve and CAST STEEL DOUBLE FLANGED Non return/Swing check valve PN 1.60 of reputed make. 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. Sluice valve –2 nos, Non return valve –2 nos. 9. Suction and delivery pipe connections Supply and fitting of suitable size best quality MS pipe of thickness not less than 8mm for a total length of 10m. Suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc. complete and connecting the delivery side of the pump with valves and suitable specials to connect with the pumping main.