Drilling of New Borewell at Eswaran Chettiyar Layout in ward No.83, Central Zone

Provision for Geologist from the TamilNadu Agricultural University for inspecting the site and for making the borewell point.

Drilling of 200mm dia. Bore well in Hard Rock area anywhere in Coimbatore Municipal Corporation limit including transportation to the work site including labour charges for insertion of casing pipes as directed by the departmental officers. Etc complete.,

Drilling of 165mm dia. Bore well in overburned soil area anywhere in Coimbatore Municipal Corporation limit including transportation to the work site including labour charges as directed by the departmental officers. Etc complete.,

Supply of 200 mm dia OD PVC casing pipe 6 kg/ cm2 suitable wall thickness including erection and welding including the cast of coupling etc complete..

Supply and delivery of borewell submersible pumpset with vertical type with all accessories with latest FS 8034 in general for the following duty conditions the pumpset should have diagonally balanced bronze impler and stainless shaft for motor and pump and directly coupled to a suitable capacity continuous rated three phase fifty cycles 22/440 volts AC supply motor should be as per ISI with upto date amendment. The starter winding should be made from high conductivity PVC insulated 3 core flat copper cable of suitable size of work Duty 75LPM x 275 M head.,

Supply of 4 mm2 3 core copper, PVC insulated flat cable.

Labour for the erection of submersible pumpsets in borewell including fixing and jointing submersible cable with proper claps upto the starter to the required depth and also fixing of riser pipes to the required depth values erection clamps, pressure gauges upto exterior wall of the pump room and erection of panel board consisting of TPICN, Switches starter, Voltmeter, Ammeter 3 pilot (including lamps) capacitor, single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules including construction of earth pits with earthing materials as per rules etc. complete testing pumpsets on trial run 30 days and as directed by Corporation officers.

50 mm GI pipe ‘B’ class ISI mark

50 mm GI Bore coupling