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| 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 strataunconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 andIS: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. |
| 2 | Nominal bore 200 mm dia. |
| 3 | Construction of tube well after completion of drilling by rotary /percussion method & upto 100 mtr. depthin all type of rocks by DTH systemas per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended upto 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 | Nominal bore 200 mm dia. |
| 5 | Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to dateoffollowing sizes |
| 6 | 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m) |
| 7 | 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. |
| 8 | 200 mm dia nominal bore of 4.8 mm thickness |
| 9 | 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. |
| 10 | 200mm dia |
| 11 | Supply & Installation of 3 phase ISI marked submersible motor pump set ofthree star or better rating of BEEand 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. |
| 12 | Up to 5.5 KW (7.5 HP) & head above 120 mtr. |
| 13 | 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. |
| 14 | 3 core 4.0 Sq.mm |
| 15 | 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. |
| 16 | 16.0 Sq.mm, 4 core |
| 17 | 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 number25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect. |
| 18 | 50 mm dia |
| 19 | Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes |
| 20 | 65 mm dia |
| 21 | Providing, lowering, aligning, fixing in position in pipe line at work site, DI D/F Resilient seated (soft seated) Sluice Valves (Gate Valves) , Vacuum tight(bubble tight), straight and pocket less body passage of approved make of following class & dia complete confirfing to BS-EN-1171/ AWWA C-509 and of following specifications: Body & bonnet 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, Wedge of same material as body & shall vulcanisedrubber lined with EPDM (food grade quality) and seals of NBR Face to face dimensions as per BS 5163-89/ IS 14846/2000 (amended up to date) /Din 3202 F4, Stem/ spindle of SS (AISI 316 or equivalent) Electrostatic epoxy powder(EP-P)/ Fusion bond epoxy ( Non-Toxic- suitable for drinking water) coated with minimum thickness of 250 microns inside and outside, Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367(Galvanised steel) Insersion rubber of black EPDM 6mm thick. Suitablesupport 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. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. |
| 22 | 80mm |
| 23 | 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. |
| 24 | 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 ofminimum 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. |
| 25 | Above 5 HP and up to 10 HP |
| 26 | Plate Earthing as per IS:3043 with G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying3 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. |
| 27 | 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. |
| 28 | Providing, installing, testing and commissioning of double flanged bulk flow meter with removable mechanism, of class B conforming to ISO 4064/1 or amended upto date of approved make including cost of all material andlabouras per specifications with GI Box (sheet 16 SWG) suitable with locking arrangement of following dia. |
| 29 | 65 mm dia |
| 30 | Providing & laying ISI marked GI Pipe Light duty ( “A” class) as perIS: 1239for casing pipe for submersible cable external work 40 mm dia complete in all respect. |
| 31 | Testing verticality of tube well by plumbing system and yield test and draw down test by pumping system as per IS : 2800 (Part – II) – 1979 or as per amended up to date. |
| 32 | Providing, lowering, laying and jointing in trenches, standard lengths HDPEISI marked Pipes as per IS-4984: 1995 (amended upto date)with necessary jointing material like mechanical connectors, i.e. thread/ insert joint/ quick release coupler joint/ compression fitting joint or flanged joint and specials jointing pipe byelectro fusion welding method, including all taxes , transportation and freight charges, inspection charges, loading/ unloading charges, stacking of pipes, including cost of labour and material, specials (Tee, bend etc.), satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of Engineer-in-charge of following class and diameter. (excluding earth work) .Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately.Supply may be in coil or straight length in 6 M/12 M. |
| 33 | 90mm |
| 34 | Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr. including required all safety provisions etc.:All kinds of soil |
| 35 | Providing, lowering, aligning, fixing in position in pipe line at work site, DI D/F Resilient seated (soft seated) Sluice Valves (Gate Valves) , Vacuum tight(bubble tight), straight and pocket less body passage of approved make of following class & dia complete confirfing to BS-EN-1171/ AWWA C-509 and of following specifications: Body & bonnet 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, Wedge of same material as body & shall vulcanisedrubber lined with EPDM (food grade quality) and seals of NBR Face to face dimensions as per BS 5163-89/ IS 14846/2000 (amended up to date) /Din 3202 F4, Stem/ spindle of SS (AISI 316 or equivalent) Electrostatic epoxy powder(EP-P)/ Fusion bond epoxy ( Non-Toxic- suitable for drinking water) coated with minimum thickness of 250 microns inside and outside, Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367(Galvanised steel) Insersion rubber of black EPDM 6mm thick. Suitablesupport 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. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. |
| 36 | 80mm |
