Construction of tube well, water supply arrangement for earthing and miscellaneous civil woorks at 33 KV S/S Beed Ramchandrapura, Hatoj-Kardhani.

PART-A (Tubewell)

Construction of Tube Well from ground level and upto 100 mtr. depth to accommodate housing and assembly pipe in all type of alluvium strata, unconsolidated formation such as pebbles, boulders etc. by percussion/ rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications for removal of overburden. The work includes the cost of lowering of casing pipe, but excludes the cost of casing pipe. (A) Nominal bore 200 mm dia. (2.2.1)

Construction of tube well after completion of drilling by rotary /percussion method & upto 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 upto 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 bore 150 mm dia. (2.3.1)

Add 15% extra on above item (Item No 2.3.1 to 2.3.2) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr..(2.3.4)

Add 30% extra on above item (Item No 2.3.1 to 2.3.2) for drilling depth beyond 200 mtr and from ground level, rate shall be applicable for only extra depth beyond 200 mtr . (2.3.5)

Providing & Lowering in tube well ISI marked GI Pipe medium duty (“B" class), Steel tube as per IS:1239 or amended up to date and zinc coating as per IS 4736, threaded and double flanged (welded) on both ends and two number 25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect. 32 mm dia. (2.24.1)

Supply & Fixing M S clamp set of 50x6 mm flat from iron with nuts and bolts etc for holding the riser pipe assembly of submersible pump set. (2.22)

4.8.4/S-4 S & F tube well cover of M.S. sheet (6 mm th ) with nuts and bolts complete for casing size 200 mm dia

2.19.1/PHED Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc. 3 core 4.0 Sq.mm

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) (2.11.2)