Details: construction of tube well after completion of drilling by rotary /percussion method & up to 100 mtr. depth in all type of rocks by dth system as per is:2800 part 1: 1991 and is:2800 part ii: 1979 (both amended up to date) and technical specifications. the work shall be deemed completed only after obtaining sand free water. the bore well should have a throughout nominal size bore beyond casing pipe. (nominal dia-250mm)(bsr phed 2023-24) chapter no 2 item no 2.1.2 supply of erw m.s. black casing pipe isi marked (is: 4270/2001) or amended up to date of following sizes 200 mm dia nb (thickness of pipe 5.4mm & mass of tube 28.46 kg/m) (chapter nos- 4 code 4.5.4) bsr pwd 2022(rate= 1728/- deduct contractor profit of 10%) supply of striner pipes made of erw m.s. black pipe isi (chapter no s-4 code 4.6.2) bsr pwd 2022( rate = 2031/- deduct contractor profit) providing and laying of cement concrete well mixed in cement mortar 1:4:8 laying in position complete excluding curing with maxmium
Sector: Irrigation