15th Finance Commission - II allotment -

Amount

Geological survey charges to locate the suitable borewell point as directed by the departmrntal officers etc complete.

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the TWAD Board Officers) including construction of mud pit.

Up to 60.00 Mts from GL

Above 60.00 Mts Up to 90.00 Mts from GL

Above 90.00 Mts Up to 120.00 Mts from GL

Reaming from pilot bore from 150 mm to 300 mm size bore upto 60m depth below on

Up to 60.00 Mts from GL

Above 60.00 Mts Up to 90.00 Mts from GL

Above 90.00 Mts Up to 120.00 Mts from GL

Supply & erection of 150mm dia PVC borewell blue casing pipe with ISI specification as directed by thedepartmental officers including cost and conveyence of the same etc complete as per standard specification.

Supply & erection of 150mm dia PVC slotted borewell blue casing pipe with ISI specification as directed by thedepartmental officers including cost and conveyence of the same etc complete as per standard specification.

Lobour charge for inserting casing pipes assembly (with or without slot) in the drilled holewith ISI specification as directed by thedepartmental officers etc complete as per standard specification.

Charges for developing the borewell with air compressor of 600 cfm capacity(minimum 8 hours) inciuding transportation labour and fuel charges for compressor as directed by dept officers

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 % (7.5 HP Motor) (100Lpm x 175 m)

Supply and delivery of the following pipe and specials for the erection of pump sets with ISI specification as directed by thedepartmental officers including cost and conveyence of the same etc complete as per standard specification.

80 mm Dia U pvc pipe

80 mm GI Bend

80 mm GI Coupler

Bore clamp

150mm Dia Bore cover

80mm dia GI Pipe

Supply and delivery of 4 sq.mm flat copper cable wire for submersible pump set with ISI specification as directed by thedepartmental officers including cost and conveyence of the same etc complete as per standard specification.

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete

MEKALA (BID ID -1474458)