Name of Work:- Erection of shallow borewell at OHT c us in Pathakudy village, Thirunallar commune, Karaikal
Sl. No.
Item Description
1
Drilling of borewell any where in UT of 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.
2
Reaming from 140/150 mm dia pilot bore to 300mm dia bore. Upto 60 mts depth ending below ground level.
3
Reaming from 200 mm dia pilot bore to 350mm dia bore. Upto 60 mts depth ending below ground level
4
Supplying of UPVC plain casing pipe for borewellsconforming 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
5
Supplying of UPVC plain casing pipe for borewellsconforming 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
6
Supplying of UPVC ribbed screen slotted pipe for borewells 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
7
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.
8
Providing and fixing M.S. top cover suitable for UPVC pipes including the cost of materials and labour etc.
9
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. Please Enable Macros to View BoQ information
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