Drilling and Development of Tube well by Heavy Duty Direct Rotary Ring Machine Under Maldhan Chour Water Supply Scheme of Block Ramnagar

Rates for Drilling and Development of Tube well by Heavy Duty Direct Rotary Ring Machine Under Maldhan Chour Water Supply Scheme of Block Ramnagar

Transportation of Suitable truck mounted rigmachine, air compressor, OP unit, camp equipage, connected T&P and necessary accessories, casing pipe, tube well assembly housing pipe etc including loading, unloading creation and leveling of rig machine. Upto site of work etc. Complete in all respect as per direction of Engineer in charge required for drilling and development of TW.

Erection & Leveling of rig machine at site of work.

Drilling of 550 mm dia bore. By heavy duty direct rotary Rig machine in alluvial, boulders, pebbles, rocky stone, sticky clay etc. from ground level upto entire depth for 300 mm dia linear assembly.

Procurement of TW assembly as below (i) 300 mm dia MSERW pipe 7.90 mm thick (a) Blind & Threaded.

(b) Slotted & threaded

(ii) 300 mm Dia Bail Plug.

(iii) 300 mm Dia MS well cap.

(iv) 300 mm Dia MS Clamp with nuts & Bolts.

(v) Supply of pe gravel of size 1.6 mm to 4.8 mm.

(vi) Surrounding of pea Gravels in between bore and tube well assembly upto entire depth of tube well ordered by the department.

Preparing & lowering of tube well assembly starting from G.L. to the required depth including cutting, welding as required at site complete with all T&P required. (i) Fixing of 300 mm dia bail plug with Nut & U-bolt.

(ii) Lowering of 300 mm dia MSERW housing pipe (Plain & Slotted pipe) as required.

(iii) Fixing of 300 mm dia, 8 mm thick tube well cap.

(iv) Fixing of 300 mm dia M.S.D.I housing clamp.

Dismantling of Rig :Machine& Clearanee of site after Satisfactory completion of work.

Development of T/W by 350 PSI/1400 CFM air compressor unit to the satisfaction of Engineering in charge to give sand free discharge and proper packing of pea Grvels at least for 70 Hrs.

Development of T/W by the suitable submersible OP units complete with Lowering and lifting of pumping plant having 2000 LPM discharge approximate including running of OP unit and weld testing of tube well by V Notch atleast for 60 Hrs to the satisfactory completion of work.