Sinking of a new tubewell in lieu of defunct borewell at Tsunami Quarters, Kalapet, Puducherry

Amount

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay, sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. -Upto 60 mts depth ending below ground level.

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. - From 60mts and upto 90 mts. depth ending below ground level.

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. - From 90mts and upto 120 mts. depth ending below ground level.

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. -From 120mts and upto 150 mts. depth ending below ground level.

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. -From 150mts and upto 180 mts. depth ending below ground level.

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. -From 180mts and upto 210 mts. depth ending below ground level.

Reaming from 140/150 mm dia pilot bore to 300mm dia bore. Upto 60 mts depth ending below ground level.

Reaming from 140/150 mm dia pilot bore to 300mm dia bore. From 60 mts and upto 90 mts depth ending from ground level

Reaming from 140/150 mm dia pilot bore to 300mm dia bore. From 90 mts and upto 120 mts depth ending from ground level

Reaming from 140/150 mm dia pilot bore to 300mm dia bore. From 120 mts and upto 150 mts depth ending from ground level

Reaming from 140/150mm dia pilot bore to 300mm dia bore.From 150 mts and upto 180 mts depth ending from ground level.

Reaming from 140/150mm dia pilot bore to 300mm dia bore.From 180 mts and upto 210 mts depth ending from ground level.

Reaming from 300 mm dia pilot bore to 400/450mm dia. Upto 60 mts depth ending below ground level.

Reaming from 300mm dia pilot bore to 400/450mm dia bore. From 60 mts and upto 90 mts depth ending below ground level

Reaming from 300mm dia pilot bore to 400/450mm dia bore. From 90 mts and upto 120 mts depth ending below ground level

Reaming from 300mm dia pilot bore to 400/450mm dia bore. From 120 mts and upto 150 mts depth ending below ground level

Reaming from 300mm dia pilot bore to 400/450mm dia bore .From 150 mts and upto180 mts depth ending below ground level.

Reaming from 300mm dia pilot bore to 400/450mm dia bore.From 180 mts and upto210 mts depth ending below ground level.

Charges for developing the borewells with air compressor of 600 CFM capacity (minimum 8 hours) including transportation labour and fuel charges for compressor and conducting yield test by "V" Notch methods.

Supplying of UPVC plain casing pipe for borewells (Finolex /Jain / Supreme / True bore / Nandi) conforming to I.S. 12818 -1992 with relevent amendments with class designation 'CM' and with minimum wall thickness 10mm including transportation and stocking at site -200mm dia

Supplying of UPVC ribbed screen slotted pipe for borewells (Finolex /Jain / Supreme / True bore / Nandi) conforming to IS 12818 -1992 with relevent amendments with class designation 'RS' and with minimum wall thickness 10mm including transportation and stocking at site - 200mm dia

Lowering of UPVC plain casing pipe / ribbed screen slotted pipes into the borewell including cost of cleaning material, fixing of M.S centering guide size of 25mm x 3mm thick suitable for 200mm dia UPVC pipe, including cost of labour for positioning of assembly for lowering purpose using rig.

Supplying transportation and packing of 8mm size down gauge graded pebbles including filling the annular space gradually complete. The pebbles disintegrated pieces. should be free from any disintegrated pieces.

Supplying,transporting and packing of clay balls including filling the annular space gradually complete. The clay balls should be free from any sand particles.

Providing and fixing M.S. top cover suitable for UPVC pipes including the cost of materials and labour etc.

Providing and fixing of UPVC End Cap embedded in M.S. Cone suitable for UPVC casing pipe including the cost of materials and labour for jointing.

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil

Supplying and filling with gravel (excluding rock) in trenches , plinth, sides of foundations etc . In layers not exceeding 20 cm in depth consolidating each deposited layers by ramming and watering etc .complete including all lead and lift

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Supplying,fixing and lowering into the borewell high tensile threaded PVC column pipes which are to be connected to the submersible pump,including labour charges,jointing materials etc.,complete.-100 mm dia

R SIVAKUMAR

R. Ashokan

L. Chandramohan