Construction of 5.4 m x 3.6 m switch room with sanitary and water supply arrangement, construction of boundary wall and sinking of 3rd tube-well by d.r. rig method, of rajhat piped water supply scheme under chinsurah sub-division

Sinking of 23 nos tube well of for each tube well approximate length for housing pipe 300 mm dia length 50 m, well pipe 200 mm dia 60 m, strainer 200 mm dia length 24 m, blank pipe 200 mm dia length 6 m. by direct rotary rig method using upvc pipes

Sinking of 300 mm x 200 mm dia tube well 150 mtr. depth by d.r. rig method using upvc pipe cm and upvc deep well screen rms for 5th tw site at keotara village of abujhati pwss

Sinking of 200 mm. dia deep tube well with top enlargement 300 mm. dia, depth of tube well is considered around 102 mtr with pvc pipe by direct rotary rig boring system within englishbazar municipality area, malda at ward no-18 on required location.

Sinking of 1 no. 330.00 mtr. deep 100 x 50 mm. dia. tube well fitted with indian mark - ii pump with pvc pipe and strainers at dwarirjungle 7 no. shibmandir, singh para dwarirjungle mouza, sandeshkhali-ii block under hasnabad sub-division, p.h.e. dte

Construction of 300 x125mm dia x 60 mtrav depth gravel packed tube well complete by mechanical rotary rig machine with mud pump mounted on truck and d.t.h. rig machine with installation of india mark-ii hand pump under dwsd ramgarh

Replacement of 200 mm dia. all through big dia. tube well at head work site (150m deep) by d.r. rig. method using p.v.c. pipe filter including supply of materials of adhna piped water supply scheme at gazole dev. block under malda division, phe dte

Sinking of 1 no. 330.00 mtr. deep 100 x 50 mm. dia. tube well fitted with indian mark - ii pump with pvc pipe and strainers at biswaspara, bhngatushkhali, jeliakhali gp, sandeshkhali-ii block under hasnabad sub-division, p.h.e. dte.

Sinking of 23 nos tube well of for each tube well approximate length for housing pipe 300 mm dia length 50 m, well pipe 200 mm dia 60 m, strainer 200 mm dia length 24 m, blank pipe 200 mm dia length 6 m. by direct rotary rig method using upvc pipes

Construction of 250 mm dia. production tube wells by any suitable method (reverse/direct/dual rotary) using mud-rotary drilling rig for 01 water supply scheme (01 no. tube well) of district samba of samba province under jal jeevan mission