Sinking of Borewell at Mariamman koil street in ward no 49,Coimbatore Corporation

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

2.Drilling of borewell 165 mm dia vertical bores depth as directed by the departmental officers including labour charges for inserting causing pipe assembling in the drilled holes including welding, jointing, grouting the casing pipe etc., including transportation etc for borewell.

3.Supply of 200mm (CM) PVC casing pipe ISI make of approved brand etc

4.Supply and delivery of 7.5 HP Three phase submersible motor 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 75 LPM x 250 M head.

5.Supply of 50mm dia G.I. pipe 'B' class Bore pipe of appd brand etc complete

6.Supply of 50mm Bore coupling (heavy) of approved brand

7.Supply of 3 Core 4Sq.mm pvc insulated flat Copper Cable etc complete

8.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

9.Supply and fixing of designing fabrication,powder coating assembling wiring, testing and supply of double door type EB metering panel board 3ph/63A 1 no.(Rain proof model) as per Dept. instruction etc. complete.

10.Supply and run of 4 x 6 sq.mm. (84 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V on 7 / 20 GI bearer wire for service connection mains