Details: proposed percolation well (8 m dia 18 m depth)item no.1taking trial bore (core bore sampling) by callyx machine with tct/nx bits to gather undisturbed strata samples for investigation in all types of strata, soft soil, murum, hard murum with boulders, soft rock, hard rock and quartzite, etc. the item includes all hire and running cost of callyx machine, conveying all materials to site of work excluding conveyance of callyx machine and back sampling all over burden strata in glass jar and core samples serially numbered at site in a wooden core box, samples to be taken at 1.0 m interval and conveying to the place as directed by engineer-in-charge. the diameter of bore in overburden shall be 100 mm and of nx size (50 mm) in other strata. the item shall also include m.s. casing pipe of 2.5 mm thick plate in overburden only and shall be 1.0 m above gl with cap over it.a) in overburden (soft soil, murum)mjp ssr 2021-22 section - h : miscellaneous item no - 5 pg no 59 b) in weathered rock wit
Sector: RDPR