nit43

Construction of Tube well up to 100 meter depth in all types of rocks by DTH system and over burden to accommodate casing pipe of following sizes in all type of soil & over burden inclduing lowering of casing pipe ( if required) excluding cost of casing pipe ( as per IS:2800 Part I:1991 and IS: 2800 Part II:1979 ( both amended up to date) and technical specifications. The work would be completed after obtaining sand free water. The tube well should have a through out bore as per nominal dia of casing pipe. (PHED BSR 2021 srno. 2.4)

Nominal bore 150 MM Dia (PHED BSR 2023 srno. 2.4.1)

Nominal bore 200 MM Dia (PHED BSR 2023 srno. 2.4.2)

Add 15% extra on above item ( item no. 2.4.1 to 2.4.2) for drilling depth beyond 100 mtr to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and upto 200 mtr (PHED BSR 2023 srno. 2.4.3)

Add 30% extra on above item ( item no. 2.4.1 to 2.4.2) for drilling depth beyond 200 mtr and from ground level , rate shall be applicable for only extra depth beyond 200 mtr (PHED BSR 2023 srno. 2.4.4)

Add 15% extra on above item ( item no. 2.4.1 to 2.4.2) for drilling where strata is collapsible and lowering of casing pipe is required. The work includes lowering of casing pipe, but execution the cost of casing pipe. The rate shall be applicable for stretch of collapsible strata only (PHED BSR 2023 srno. 2.4.5)

Construction of tube well from ground level and up to 100 mtr depth and above to accommodate housing assembly pipe in all type of unconsolidated formation such as pebbles, boulders, collapsible formation etc. by Odex drilling method as per IS: IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work will include lowering of housing and strainer pipe assembly and casing shoe including cost of casing shoe, but excluding cost of the casing pipe. The work would be completed after obtaining sand free water. (PHED BSR 2023 srno. 2.6)

150 mm dia nominal bore (PHED BSR 2023 srno. 2.6.2)

200 mm dia nominal bore (PHED BSR 2023 srno. 2.6.3)

Add 15% extra on above item ( item no. 2.6.1 to 2.6.3) for drilling depth beyond 100 mtr, rate shall be applicable for only extra depth beyond 100 mtr (PHED BSR 2023 srno. 2.6.4)

Deepening of existing tube well by DTH system beyond existing depth upto 100 mtr. and above in all type of rocks including flushing of tube well and obtaining sand free water. (PHED BSR 2023 srno. 2.7)

Nominal bore 150 mm dia. (PHED BSR 2023 srno. 2.7.1)

Nominal bore 200 mm dia. (PHED BSR 2023 srno. 2.7.2)

testing veticality of tubewell by plumbing system and yeild test and draw down test by pumping system as per IS: 2800 (part II) - 1979 or as per amended upto date. (PHED BSR 2023 srno. 2.8)

Supplying & Packing P-gravel suitable for slot size/mesh size as suggested in IS 2800 (Part-1) 1991 or as per amended up to date. (PHED BSR 2023 srno. 2.9)

Development of tubewell having depth upto 250 mtr as per IS: 11189-1985 and IS: 2800 (Part-1)- 1991 ( both amended up to date ) using suitable methods to give sand free water for required yield of the gravel packed tube well.(PHED BSR 2023 srno. 2.10)

Supply of ERW MS Black casing pipe ISI marked (IS:4270/ 2001 or amended up to date of following siZES (PHED BSR 2023 srno. 2.11)

150 mm DIA NB ( Thickness of Pipe 5.0 mm & mass of tube 20.13 Kg/m) (PHED BSR 2023 srno. 2.11.1)

200 mm DIA NB ( Thickness of Pipe 5.4 mm & mass of tube 28.46 Kg/m) (PHED BSR 2023 srno. 2.11.2)

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 srno. 2.12)

150 mm dia nominal bore of 4.8 mm thickness (PHED BSR 2023 srno. 2.12.2)

200 mm dia nominal bore of 5.4 mm thickness (PHED BSR 2023 srno. 2.12.3)

Providing & laying ISI marked GI pipe Light duty ( ""A"" class) as per IS: 1239 for casing pipe for submersible cable external work 40 mm dia complete in all respect. (PHED BSR 2023 srno. 2.13)

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.

Up to 5.5 KW (7.5 HP) & head up to 120 mtr.

Up to 5.5 KW (7.5 HP) & head above 120 mtr.

7.5 KW (10 HP) & head up to 120 mtr.

7.5 KW (10 HP) & head above 120 mtr.

9.3 KW (12.5 HP) & head up to 120 mtr.

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 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 5 HP and up to 10 HP

Above 10 HP and up to 15 HP

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

3 core 6.0 Sq.mm

3 core 10.0 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.

10.0 Sq.mm, 4 core

16.0 Sq.mm, 4 core

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.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.

150 mm dia

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 25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect.

50 mm dia

65 mm dia

Providing, installing, testing and commissioning of double flanged bulk flow meter with removable mechanism, of class B conforming to ISO 4064/1 or amended up to date of approved make including cost of all material and labour as per specifications with GI Box (sheet 16 SWG) suitable with locking arrangement of following dia.

50 mm dia

65 mm dia

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

Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes

65 mm dia

Supplying & Installing 100 mm diameter sealed diaphragm bourdon type pressure gauge of range 0 to 10 kg. including all jointing material as per specification with safety cover.

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