Kerala Water Authority Tender

1.0 Design ,Supply , Installation trail run & commissioning of 15 hp CF pumsert at WTP at Vizhinjam

OD96964/2024-2025:Design, testing, supply, erection, trial run and commissioning of Centrifugal pump sets with required lps against a total head of required head of 15-20m and having 960 to 1460 rpm sync. Speed, Bronze LTB2 Impeller, SS 316<br>shaft, cast iron casing, bronze LTB2 neck ring, SS 410 sleeve, squirrel case EF2 motor with a complete integrated & soft starter panel capable of operating the motor having a protection level of IP 40 or more with integrated bypass & contactor in the panel and motor protection relay having parameters as per IE rules, with a power control MCCB and &l line power contactor, and the starting current shall be 2.5 -3.5 times the normal full load current of motor with Ammeter, voltmeter and phase indicators, space heaters, floor monitory type and having an insulation level of 100 Vhe standard of starter is to be I.E.C 60947 - 4-2) control switches, capacitors, pressures gauges etc satisfy the &;requirements and including the cost of internal wiring with suitable copper cable, valve ( PN 1.6), specials etc and& fixing the flow meter to pump sets (motors, capacity, type etc should be specified) pipes and specials required for the interconnection works with the existing pumping main suction and delivery part of pumps including construction of& ;suitable foundation and Anchor blocks of required size and provide the electrical and\ mechanical installation as per& the KSEB and KSEI specification and standards ( All items required for the commissioning should be supplied and& /fixed and initial and final approval obtained from KSEI and got energized from KSEB). The pump and motor& supplied are to be from Kerala Water Authority short listed, manufactures and should be in accordance with relevant &IS specification one year extended warranty beyond the original warranty period of 1 year. Total shall be limited to 2& years. ( Rate vide proceedings No. KWA/HO/SP/333/2011/pump dated 20/12/2011 of MD and latest any orders) ( the& actual head to be arrived by the contractor) LT motor required.(Design, testing, supply, erection , trial run and& commissioning of of CF pump set with the following specification. .(1) Pump-Supply, erection , testing and& commissioning of KWA prequalified reputed make VT pump set 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 cost of cement sand and metal etc & complete.. (2) Motor-Supply, erection , testing and &commissioning of KWA pre qualification 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/3300 V (;select the suitable). The motor shall confirm to EEF1/IS 325 including providing suitable concrete foundation& including cost of cement sand and metal etc. complete as per present IE rules. 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 for less than 100 HP and for above 100 HP FCMA starters to be used) starter &l suitable for the above motor with over voltage and under voltage protection, single phase preventer, over really with &l & ;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, erection, testing and& lt;br > commissioning of cubical type floor mounted MS fabricated dust and vermin proof common control panel board &gt ;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) providing suitable size Aluminum bus bar inter connect the above MCCBs and & r& ;fitted with 3 Nos of indicator lamps. 1 No. volt meter with selector switch, 1 No. Ammeter with selector switch etc. < br > complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE& lt;br& gt;rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. (5) Cabling& lt 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 APF capacitor for the motor to get a power factor above 0.95. The capacitor shall& & g confirm 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. Fixing 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 &l for easy repair works. (9) Suction and delivery pipe connections- Supply and fitting of suitable size best quality GI/MS 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 the valves and suitable specials to connect with the pumping main. I <br>the dia of suction pipe is above 80mm CI /D pipes & specials shall be provided. (10) Supply of suitable size cable of<br>required quantity is included in this scope of work .No additional cost will be given for extra length. (11) Fabrication<br>work on MS pipe for connecting with the existing pumping main is included in this scope of work .No additional cost<br>will be given for extra length.-2 Year

2.0 Connection work for pipe and tank