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| 1 | Construction of tube well from ground level and up to 100 mtr. depth and above of following sizes in all types of soils in alluvium strata, unconsolidated formation such as pebbles, boulders etc. by \"bailing\" method and without gravel packing as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work includes formation of cavity at bottom by development with appropriate air compressor or bailer pumping and also lowering of casing pipe but excluding cost of the casing pipe.The tube well should have a throughout bore as per nominal dia of casing pipe.The work would be completed after obtaining sand free water. |
| 2 | Nominal bore 150 mm dia. |
| 3 | Construction of tube well after completion of drilling by rotary /percussion method & up to 100 mtr. depthin all type of rocks by DTH systemas per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended up to date) and technical specifications. The workshall be deemed completed only after obtaining sand free water. The bore well should have a throughout nominal size bore beyond casing pipe. |
| 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. |
| 5 | Development of tube well having depth up to 250 mtr as per IS: 11189- 1985 and IS: 2800 (Part- I)- 1991 (both amended up to date) using suitable methods to give sand free water for required yield of the gravel packed tube well. |
| 6 | Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to dateoffollowing sizes |
| 7 | 150 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m) |
| 8 | 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. |
| 9 | 150 mm dia nominal bore of 4.8 mm thickness |
| 10 | Supply & Installation of single 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. |
| 11 | Above 2.0 KW |
| 12 | Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB, DOL starter, overload relay, ampere meter, volt meter, phase preventer,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 ofminimum size 900 x 600 x 300mm 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 platform. 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. |
| 13 | Up to 5.00 HP |
| 14 | Supply & Fixing of ISI marked three core PVC flat submersible cableas per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980including making connection etc. |
| 15 | 3 core 4.0 Sq.mm |
| 16 | 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 makein ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick underlayer ofsand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size. |
| 17 | 10.0 Sq.mm, 4 core |
| 18 | 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. |
| 19 | Supply & Fixing tube well coverof 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. |
| 20 | 150 mm dia |
| 21 | Providing & Lowering in tube well ISI marked HDPE pipe as per IS 4984:1995 or amended up to 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 up to date, along with clamping of submersible cable etc. complete in all respect. |
| 22 | 40 mm dia |
| 23 | Providing and Fixing of ISI marked PVC storage tank of following capacityas per IS: 12701-1989 (of approved make) with cover, 25 mm dia. 1 mtr long GI overflow pipe, 25 cm long 25 mm dia washout GI pipe with plug & socket, including P&F 32 mm dia Ball Cock (Float valve) IS 1703 marked with rod and PVC ball complete with brass weight 1000 gm, including P&F 15mm dia CI quarter turn heavy duty Bib Cocks four no\"s of superior quality and approved make, including interconnections complete job. |
| 24 | 2000 litres capacity |
| 25 | Fabrication & Fixing M.S.Stand of specified class of angle iron L-shaped of 50 mm size with four legs grouted by 300*300*300 mm CC Block M-15 in the ground and all legs tied up with each other through same size of angle iron along with cross bars to support the bottom of 1000 Ltr./ 2000 Ltr. PVC tank complete in all respect. |
