Details: movement of rig from the divisional head quarter to the drilling site including cost ofp.o.l. all complete as directed boring and repeated boring with required size of drill bits of dtw of dore hole up to 600 mm dla up to a depth of j 10 m or up required depth by rc/dr drilling rig including supply and transportation of all required tools & plants, materials & labour to site to perform the job in complete as directed in alluvium areas (means areas where the strata comprises or loose. unconsolidated mater ials like clays, silts, sands gravels, pebbles, cobbles and bouldersl as per is: 2800 (part-i) of 1991 (soil sample must be collected & keep properly at evefy 3.00 m interval of depth in boring. the job also includes movement of rig by making temporary approach road etc. to the field up to distance of 1000 m.) supply. lowering and and installation in tube-well 3oo mm erw housing pipe for casing assembly of wall thickness of 7.1 mm to 8.0 mm conforming to is: 1239 (pt 1)- 2004 for dia
Sector: Urban Authority