NIT 23.1 Work of Construction of 01 Nos 150 mm dia Tube Well including pipe line Nr. Rawan Gate, Ward no 24 Chomu, Sub Division Chomu, District Jaipur

2.1 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. Rate is Exclusive of GST. 2.1.1 Nominal bore 150 mm dia.

2.11 Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes Rate is Exclusive of GST. 2.11.1 150 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m)

2.12 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. Rate is Exclusive of GST. 2.12.2 150 mm dia nominal bore of 4.8 mm thickness

2.15 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. Rate is Exclusive of GST. 2.15.2 Up to 5.5 KW (7.5 HP) & head above 120 mtr.

2.18 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. Rate is Exclusive of GST. 2.18.1 Above 5 HP and up to 10 HP

2.19 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. Rate is Exclusive of GST. 2.19.1 3 core 4.0 Sq.mm

2.20 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. Rate is Exclusive of GST. 2.20.2 16.0 Sq.mm, 4 core

2.23 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. Rate is Exclusive of GST. 2.23.2 150 mm dia

2.24 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. Rate is Exclusive of GST. 2.24.1 32 mm dia

2.27 Providing & Fixing pump safety cage as per specifications or as directed by Engineer in charge. Rate is Exclusive of GST.