Tubewell Nirmaan kary Suin

work detial

Construction of tube well form ground level & up to 100 mrt depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussionlrotary drilling method as per IS:2800 Part 1:1991 and IS: 2800 Part II: 1979 (bothamended up to date) and technicla specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (part I & II) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but exccluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free wate. (PHED-BSR-2023. Less-10%) Nominal bore 200mm dia.

Add 15% extra on aboce item (Item no 2.1.1 to 2.1.3) for drilling depth beypnd 100 mtr and up to 200 mtr. Rate shall be applicable for only extra depth beyond 100 mtr, and up to 200 mtr.

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes (PHED- BSR- 2023. Less- 10%) 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 kg/m

Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS: 8110-1985. (PHED-BSR-2023. Less-10%) 200 mm dia nominal bore of 5.4mm thickness

Supply & Installation of 3 phase ISI marked submersible motor pump set of three star or better rating of BEE and as per IS: 8034-2018 (pump) and IS 9283-2013 (motor) or as amended up to date of approved make of following duty condition with required accessories including making connection suitable for tube well/DCB. The job includes lowering of motor pump, installation of complete fitting & accessories, jointing of electrical cables up to switch board, testing of submersible pump set and interconnection up to water mains, complete in all respect. (PHED BSR-2023.1074/2023 Less-10%) . 9.3 KW (12.5 HP) & head above 120 mtr.

Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB, fully automatic star-delta starter, over kad relay, ampere meter with CTs, volt meter, phase preventer, suitable starting capacitors, phase indicstors, lighting arrangement etc. complete suitable for three phase pump set. The panel should have space for energy meter (supplied by DISCOM). All these equipments shall be housed by panel box made out from 18 gauge M.S. Sheet with powder coating. Panel should be of minimum size 900 x 600 x 450 mm with Stand (made of angle iron of size 35x35x5mm) duly bolted'screwed with enclosure box having 4 legs, each leg's length 18" and double door including in built locking system. The legs should be embedded in M-15 cement concrete plat form. The size of CC platform should be equal or bigger than the base size of panel having height of at least 200 mm from ground level. The panel should have opening of suitable size in front of space for energy meter with glass for meter reading. The operation of panel should be suitable for on 440 Volt AC Supply (PHED BSR-2023.1074/2023 Less-10%)

3 Core 6.0 Sq.mm

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. (PHED-BSR-2023. Less-10%) 65 mm dia

Plate Earthing as per IS:3043 with G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm dia. G.I. B' class watering Pipe including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, and C.C. finished chamber covered with hinged type with locking arrangement C.L. Cover, CJ. Frame of size 300mm x 300mm complete with altemate layers of salt and coke/charcoal, testing of earth resistance as required. (PHED BSR-2023.1074/2023 Less-10%)