construction of 02 nos. high yield drilled tube well (hydt) of 200mm x 165mm x 225 meter (avg.) deep by hydraulic dth rig machine with ms casing pipe at air port campus dumka. , cost towards drilling of 200mm x 165mm x 250 meter deep bore well in all kinds of soil and rock in rural or any other area for installation of pump set with hydraulic dth rig machine, all complete including supplying all materials, tools drilling rig and air compressor and equipment’s as well as fuel, lubricants and cost of transportation of rig machine and other vehicles up to the site including cost of flushing charge, geological investigation etc. all complete. (i) from 0 – 50 meter , (ii) from 51 – 225 meter onwards , supplying all tools, tackles & lowering of 200mm dia. ms erw casing pipe of 6mm wall thickness including welding charges, cost of pipe etc. including all taxes, gst, excise duty, freight charges with inspection charges etc. as applicable all complete job. , supplying all materials labours, tools & equipment for fitting & fixing 200mm dia. ms cap over pipe complete job. , supplying material and labour for construction of bricks protection chamber for hydt bore well having internal size .50x.50 meter and wall thickness of 0.25 meter with required depth as per site condition including 12 mm thick c.p.(1:4) or exposed surface. 4 mm thick r.c.c slab as per required size, apply two coats of anti-corrosion paint including the cost of reinforcement, carriage of materials all taxes earth work etc.(ls) , resistivity survey for ground water to construct deep bore well in air port campus dumka to locate the aquifer zone type, subsurface strata and proper bore well sites.