15th finance 2024-25 tied grand 2nd installment standby motor purchase of standby motors in madathukulam town panchayat , supply and delivery of 15 hp openwell submersible pumpset conforming to is14220/2002 and as amended there after and bee3 star rated capable of discharging the following duties due to all causes. the pump shallbe with stainless steel shaft and dynamically balanced bronze mixed type impeller, cifg 200 grade casing and brass screws and rotor shallbe of copper rodas per is613/1984 with isi mark. the pump suitable for installation in sump with 1.1 kv grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. thenon-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. the pump should be directly coupled to 2880 rpm, three phase, 50hz (±5) , 415 v+6% & 415v-15% squirrelcage induction motor suitable for dol upto 5hp, fully automatic airbreak star deltaup to 20hp and auto transformer starter for above 20 hp starting and for continuous operation. 15 hp openwell submersible motor , supply and delivery of20 hp openwell submersible pumpset conforming to is14220/2002 and as amended there after and bee3 star rated capable of discharging the following duties due to all causes. the pump shallbe with stainless steel shaft and dynamically balanced bronze mixed type impeller, cifg 200 grade casing and brass screws and rotor shallbe of copper rodas per is613/1984 with isi mark. the pump suitable for installation in sump with 1.1 kv grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. thenon-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. the pump should be directly coupled to 2880 rpm, three phase, 50hz (±5) , 415 v+6% & 415v-15% squirrelcage induction motor suitable for dol upto 5hp, fully automatic airbreak star deltaup to 20hp and auto transformer starter for above 20 hp starting and for continuous operation. 20 hp openwell submersible motor , supply and delivery of 7.50 hp clear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to is 8034/2002 as amended thereafter and bee 3 star rated capable of discharging noted lpm against head of water column due to all causes. the pump shall be with stainless steel shaft and dynamically balanced bronze or cast ss impeller, brass screws and ci fg 200 grade pump bowl/diffuser with isi mark. the pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per is9283 /1995 as amended there after, suitable for operation in ac three phase 415 v+/- 10 %, 50 hz +/- 5 % 7.5 hp borewell submersible motor , supply and delivery of 10 hp clear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to is 8034/2002 as amended thereafter and bee 3 star rated capable of discharging noted lpm against head of water column due to all causes. the pump shall be with stainless steel shaft and dynamically balanced bronze or cast ss impeller, brass screws and ci fg 200 grade pump bowl/diffuser with isi mark. the pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per is9283 /1995 as amended there after, suitable for operation in ac three phase 415 v+/- 10 %, 50 hz +/- 5 % 10 hp borewell submersible motor