work of drilling and commissioning of 1 nos tubewell of 200 mm diameter with pumping machinery in Scout camp including interconnection with existing pipeline network under Sub Dn X Pushkar with 24 months DLP

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 bore 200 mm dia.

Add 15% extra on above item (Item No 2.4.1 to 2.4.2) 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.

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 5.4 mm & mass of tube 28.46 kg/m) thikness.

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.

Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with end plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2" (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top plate nipple shall be provided with end plug.

200 mm dia

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 25x3 mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect.

50 mm dia

Providing and fixing GM NRV Horizontal ( Screwed end ) 50 mm dia.

Supply & installation of 3 phase ISI marked submersible motor pump set of five star ( if not available then three/ four star whichever higher rating available) rating by BEE and as per IS: 8034-2018 (pump) and IS 9823-2013 (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.

7.5 KW ( 10 HP) & head up to 120 mtr. (1W+1S)

Supply and fixing of electric control feeder comprising of suitable rating MCCB, fully automatic star delta starter, over load relay, ampere meter with CT's vold meter, phase preventer, suitable starting capacitors, phase indicators, lighting arrangement etc. complete suitable for three phase pump set. The panel should have space for energy meter ( suppled 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 900x600x450 mm with stand (made of angle iron of size 35x35x5mm) duly bolted/screwed with enclosure box having 4 legs shold be embedded in M-15 cement concrete plat form. The size of CC platform should be equal of bigger than the base size of pannel having height of at least 200 mm from ground level. The panel should have opeing of suitable size in front of spaces for energy meter with glass for meter reading. The operation of pannel should be suitable for on 440 volt AC supply.

Above 5 hp and up to 10 hp (1W+1S)

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 6.0 Sq.mm

Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick under layer of sand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size.

16.0 Sq.mm, 4 core

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves straight and pocket less body passage of approved make of following Pressure rating & dia complete, confirfing to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200 Stem - AISI- 410 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date) ,Epoxy ( Non-Toxic- suitable for drinking water) applied inside and outside, Flanges Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steel Insersion rubber of black EPDM 6mm thick . Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. 6.1.1 Manually Operated CI Sluice valve of Class PN-1.0

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr. including required all safety provisions etc.: All kinds of soil

Work of interconnection in CI/DIMS pipe line up to 1.5 mtr depth by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site, cutting of existing pipeline, jointing of tee (Complete) and other specials to make inter connection repair lea proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of material required from store. (Material such as Tee/Tee clamp/Rubber sheet/CID joints required for inter connection shll be provided by the department free of cost.) In all type of soil

80 mm to 100 mm

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