Drilling of Vertical Borewell and Erection of Submersible Motor with Panel Board at Periyasudukadu for Providing well water distribution to ward No88 Areas ,South Zone.

Amount

Provision for Geologist from the TamilNadu Agricultural University for inspecting the site and for making the borewell point as per departmental officers instructions etc. complete .

Drilling of borewell 200 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.,as per departmental officers instructions etc. complete .

Supply of 200 mm dia (inner) PVC casing pipe suitable wall thickness including erection and welding including the cast of coupling etc complete.

Drilling of borewell 150 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.,as per departmental officers instructions etc. complete .

Supply of 150 mm dia (inner) PVC casing pipe suitable wall thickness including erection and welding including the cast of coupling etc complete.

Supply and delivery of clear water vertical wet type submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Supply for 4mm²x3 core copper insulated flat cable as per departmental officers instructions etc. complete .

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 gauge as per departmental officers instructions etc. complete .

Supply and delivery of the following Well water materials approved brand as per list with ISI marking and an approved by corporation officers.

50mm GI pipe B Class

50mm GI Heavy coupling

50mm GI Bend

50mm GM Non return valve

50x300mm GI nipple

50x450mm GI nipple

50x600mm GI nipple

50mm borewell clampset

Earth work excavation in all soil including refilling

Towards labour charges for laying and jointing GI Pipe and Specials etc.,complete as per standard Specification

Refilling the Excavated Trench for Pipelaying etc complete

Supply and run of 4 of 4 sq.mm. (56/0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in 25mm dia GI pipe (Class 'B') bent at both ends with necessary angle iron up right and end supports for mains

T.L.NARAYANASAMY