tender for painting two coats with ready mixed plastic emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification , 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 100 mm solid size with sewage specific gravity of up to 1.05. pump shall be of robust construction, liquid passages shall be finished smooth and designed as to allow free passage to solids. 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. above 15m upto 20 m head discharge 100 to 200 m3/hour (wd-m2092) , 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 100 mm solid size with sewage specific gravity of up to 1.05. pump shall be of robust construction, liquid passages shall be finished smooth and designed as to allow free passage to solids. 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. above 20 m upto 25 m head discharge upto 20