CUDDALORE CORPORATION -Supply and delivery of Submersible Centrifugal Sewage Non Clog Pumps at Varadharajan Nagar Lifting station Zone-I in cuddalore Corporation

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 80 mm solid size with sewage specific gravity of up to 1.05. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft.The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel .The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable 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 pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days. Above 5 HP to 10HP TWAD 2025-2026 Item No.WD-W08702.