Flushing of existing borewell at new golden nagar in ward no 37 of west zone, Coimbatore Corporation.

Amount

Removing the existing borewell submersible motor pumpset etc., complete

Flushing of borewell of 6" dia using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the Officer and conducting yield test by 'V' notch method if required.

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., including transportation etc for borewell.

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

50 mm GI pipe ‘B’ class ISI mark

50 mm GI Bore coupling

50 mm dia GI coupling

50 mm dia GI Elbow

50 mm dia GI Bend

50 mm dia GI Union

50 mm dia GI Hex Nipple

50 mm dia GI Dummy

Supply and fixing GM Non Return valve including cost of labour charges etc., complete

Supply and fixing GM gate valve including cost of labour charges etc., complete

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

Supply and delivery of clear water vertical wet type submersible pumpset 10HP 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 %

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.

Earth work excavation in all soils with initial lead & lift etc. complete as per direction of departmental officers including Refilling.

Laying and joining of PVC pipe for Distribution line

SRII BALAJI CONSTRUCTIONS