Const. of Tubewell at various 33/11 KV s/s Deeg, Govardhan Gate (Deeg), Akata (Kaman) under Deeg Circle.

PART-A

2.1.2 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.

2.1.4 Add 15% extra on above item (item no 2.1.1 to 2.1.3) for drilling depth beyond 100 mtr and upto 200 mtr, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

2.3.1 Construction of tube well after completion of drilling by rotary /percussion method & upto 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 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.: 150mm dia nominal bore

2.3.4 Add 15% extra on above item (Item No 2.3.1 to 2.3.3) 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.

2.22 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.

4.8.4/S-4 S & F tube well cover of M.S. sheet (6 mm th ) with nuts and bolts complete for casing size 200 mm dia

21.6.2.1 SITC of Radial / mixed flow ISI marked water and anti-corrosive liquid filled submersible motor pump sets suitable for 100/150mm dia borewell. The size of adopter fixed on top of the motor should exceed the top of coupler , for safegaurd the coupler. The construction material of motor and pump should match IS: 8034 : 2018 and IS: 9283 guideline. The radial flow pumpset should operate at 5 star energy efficiency level of BEE and mixed flow pump set should operate at 3 star energy level of BEE, accompained by valid BEE certificate. Motor should be IE2 class as per IEC 60034-2-1: 2007, IEC 60034-30: 2008, & IS12615:2011 with required accessories including making connection suitable for Bore well. The job includes labour part of lowering of riser pipe G.I./ H.D.P.E. with rope, cables & pump, installation of complete fitting and accessories, jointing of electrical cables up to Starter. All labour for testing of submersible pumps set and supply of water to water mains, complete in all respect. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test certificate before execution. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure "A" attached with this BSR .150 mm diameter Submersible pump shall have following HP Rating, phase, Head range, Discharge range respectively.3.0 HP, 3-Ø, (54 -95)Mtr, (250-50) LPM

2.19.3/PHED 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 10.0 Sq.mm

2.11.2/PHED 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)

2.12.3/PHED 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: 200 mm dia nominal bore of 5.4mm thickness

2.15.1 /S-2 P & F Full - way Valve (IS: 778 Mark) or wheel valve of approved make: (A) Gun metal 15 mm nominal bore

(B) Gun metal 25 mm nominal bore (2.15.3)

2.2.1 /S-2 P & F G.I. pipe (External work) with G.I. Fittings excluding union (IS: 1239 Mark) including trenching & refilling earth etc (A) 15mm dia nominal bore 'B' class

(B) 25mm dia nominal bore 'B' class (2.2.3)

2.32.1 Supply & fixing G.I. Union ISI marked in G.I. pipe line as required complete in all respect of size : (A)15mm dia nominal bore

(B) 25mm dia nominal bore (2.32.3)

2.7.3 /S-2 P & F Bib cock (IS: 8931 Mark), Superior quality of approved make: (A) C.P. brass bib cock 15mm nominal bore.

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Disposal of rubbish un-wanted material dismanted material, away from site at appropirate place including all lead and lift, loading unloading, transportation labour etc. As per direction of Engineer in charges.

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