Details: trial boretaking trial bore (core bore sampling) by callyxe machine with tct / nx bitstogether undistrubed strata samples for investigation in all types of stratasoft soil, murum, hard murum with boulders, soft rock, hard rock andquartzite etc. the item ncludes allhire and running cost of callyxe machine conveying all materials to site of work excluding conveyans 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 100mm and of nx size (50mm) in other strata. the item shall also include ms casing pipe of 2.5mm thk plate in overburden only and shall be 1.0m above gl with cap over it. a) in overburden(soft soil, murum) b) in weathered rock with boulders c) in weathered rock / soft rock d) in hard rock quartizite other than quartzite percolation well excavation in
Sector: RDPR