S/R to Construction of Tube Well Neemrana Distt. Alwar (Complete Work)

Amount

Description of items and specification of work to be excuted.

Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes 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, 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 excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water. Nominal bore 200 mm dia.

Construction of tube well after completion of drilling by rotary /percussion/odex method & upto 150 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 200 mm dia..

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)

Supply & Installation of 3 phase ISI marked submersible motor pump set of five star rating (Make- KSB/KALAMA/ KIRLOSKAR/ TEXMO) by 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. 7.5 KW (10 HP) & head above 120 mtr..

Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB , fully automatic star-delta starter, over load relay, ampere meter with CTs, volt 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 (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. Above 15 HP

Supply & Fixing of ISI marked three core PVC flat submersible cable(Finolax/Havells/L&T/Polycab or approved by techical comittee) 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 aluminum conductor Armored 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.

Plate Earthling 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.I. Cover, C.I. Frame of size 300mm x 300mm complete with alternate layers of salt and coke/charcoal, testing of earth resistance as required.

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 HDPE pipe as per IS 4984:1995 or amended upto date in PE 80 grade and class PN 10 of following dia. including HDPE/GI fittings and PVC rope confirming to IS 5175:1992 or amended upto date, along with clamping of submersible cable etc. complete in all respect. 40 mm dia

Providing & Fixing pump safety cage as per specifications or as directed by Engineer in charge.

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves of approved make of following Pressure rating & dia complete, confirming 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 - SS 304 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date), All exposed machined ferrous surfaces shall be painted with one coat of aluminum red oxide primer conforming to IS:5660 and two coats of black Japan paint conforming toType B of IS 341or paint conforming to IS9862 or IS2932( 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 . Suitable support structure as per directions of EIC. 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. 80 mm HW

Providing, lowering, aligning, fixing in position in pipe line, DI D/F resilient seated (soft seated) Swing type Non Return Valve of approved make (80mm dia) of following Pressure rating & dia complete, generally confirming to IS: 5312 (part -1)/ 2004 (amended up to date) and of following specifications: Body, Bonnet & disc of Ductile cast iron of grade GGG40/GGG50 as per DIN 1693 or GR SG-400/12 as per IS 1865 or equivalent grade as per IS :3896-part2-1985 and subsequent revisions, Face to face dimensions as per IS 5312 (part -1):2004 Drilled as per IS:1538. Electrostatic Epoxy Powder(EP-P) / Fusion Bonded Epoxy (Non-Toxic & suitable for drinking water) coated with minimum thickness of 250 micron applied on body, cover and disc inside and outside . Disc seal ring of EPDM/ Neoprene (food grade quality) and disc seal retaining ring of SS/CS.Shaft of SS- AISI- 410, Hinge SS AISI 316/410 ,Bonnet Gasket EPDM ,Bush- Brass with EPDM/NBR "O" ring seal Nut-Bolt confirming to IS:1363 and IS: 1367 (galvanised steel) Insersion rubber of black EPDM 6mm thick. Suitable support structure as per directions of EIC including jointing & jointing material, labour, testing and commissioning along with pipeline as per Technical Specification & as per direction of Engineer-in-charge.

PAWAN ENTERPRISES

INDRAJ MEENA CONTRACTOR