Details: labour for boring through any type of soil for sinking tube well of required dia. with top by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete(b) for depth upto 250 metre for 150 mm dia. tube well with topenlargement of 250 mm dia.(upto 50 metre).(i) first 50 metre (ii) next 50 metre supplying brass-strainer with brass socket of approved make. (heavy type)(iv) 100 mm dia supplying, fitting and fixing heavy type bell mouth reducing socket.(i) 50 mm x 100 mm supplying m.s. male / female adopter of approved make and brand for coupling of m.s. pipe and fibre glass strainers, as per direction of the engineer - in - charge.(i) 100 mm supplying, fitting and fixing 300 mm m.s. housing clamp of approvedquality. providing 200 mm centre guide.i) wi
Sector: District Administration