Supply and erection of Submersible Pumps and Cable wire in Infiltration well at Sholavandan Head works

Supply and delivery of Open well Submersible pump set 700LPM x 40M conforming to IS 14220 / 2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-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, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. (2025-26TWAD SOR Page No184 Sl.No WD-M1782 )

Supply and delivery of Open well Submersible pump set 1000LPM 40M conforming to IS 14220 / 2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-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, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. (2025-26TWAD SOR Page No184 Sl.No WD-M1794 )

Labour charges for the erection of submersible pumpset in bore well/open well including fixing and jointing submersiblecable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps,pressure gauges upto the exterior wall of pumproom and erection of panel board consisting of TPICN switches starter,Voltmeter,Ammeter,threepilot (indicating) lamp scapacitor single phasing preventor,water level guard and laying and jointing the cables and twin earthing as per IErules etc.,complete and testing the pumpset and trail run for 10 days. Upto 3 HP Open well Motar.(2025-26 TWAD SOR Page No 308 Sl.No 17a WD-W0855)

Labour charges for the erection of submersible pumpset in bore well/open well including fixing and jointing submersiblecable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps,pressure gauges upto the exterior wall of pumproom and erection of panel board consisting of TPICN switches starter,Voltmeter,Ammeter,threepilot (indicating) lamp scapacitor single phasing preventor,water level guard and laying and jointing the cables and twin earthing as per IErules etc.,complete and testing the pumpset and trail run for 10 days. Upto 3 HP Open well Motar.(2025-26 TWAD SOR Page No 308 Sl.No 17a WD-W0856)

Supply and Run of L.T. cables 3 core 1.1 KV grade armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables conforming to IS 7098 (Part I)/1988 and as amended thereafter with ISI marking(2025-26 TWAD SOR Page No 284 Sl.No WD-M1962 )