Tender For Construction Of 300 Kl Cwr And The Replacement Of Water Distribution Lines At Hq Ce P Chetak Bikaner - 1 Construction of 300 KL CWR and the replacement of water distribuction lines(102216) 2 1.1Providing, lowering, laying in trenches, aligning, fixing in position and jointingDuctileIron(DI)ISI markedK-7gradeS&Spipesas per IS:8329-2000 (amendedup todate),withinternalcementmortar lining suitable for potablewater with rubber ring (EPDM)joints as per IS: 5382-1985 including all taxes (Central and local), transportation and freight charges, inspection charges, loading/ unloading charges,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. (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. 1.1.2100 mm 3 1.1Providing, lowering, laying in trenches, aligning, fixing in position and jointingDuctileIron(DI)ISI markedK-7gradeS&Spipesas per IS:8329-2000 (amendedup todate),withinternalcementmortar lining suitable for potablewater with rubber ring (EPDM)joints as per IS: 5382-1985 including all taxes (Central and local), transportation and freight charges, inspection charges, loading/ unloading charges,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. (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. 1.1.3150 mm 4 1.15Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding,lowering,laying,aligning,fixinginpositionatalllevel/ depths in trenches complete includingall taxes, material,labour, inside lining, outside coating, testingandcommissioning alongwithpipelineaspertechnicalspecifications anddirection of Engineer-in-charge. 1.15.1MS pipespecialsupto600mmdia (withminimum5mmthickness sheet) 5 2.24Providing & Lowering in tube well ISI marked GI Pipe medium duty ( Bclass), 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.2.24.132 mm dia 6 2.24Providing & Lowering in tube well ISI marked GI Pipe medium duty ( Bclass), 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.2.24.250 mm dia 7 2.24Providing & Lowering in tube well ISI marked GI Pipe medium duty ( Bclass), 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.2.24.365 mm dia 8 Providing and laying in position cement concretee including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level.M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stoneaggregate 20mm nominal size). 9 Providing and laying in position cement concretee including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level.M10 grade Nominal Mix 1: 3: 6 (1 cement : 3 coarse sand : 6 graded stoneaggregate 20mm nominal size). 10 Centering & shuttering with plywood or steel sheets including strutting, propping bracing both ways with steel propsand removal of formwork for upto floor five level for : Walls (any thickness) including attached pilasters,buttressesplinthandstring course. 11 Providing and fabricating reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding (including cost of binding wire) all complete up to floor five level. (Original producers who manufacture billet directly from iron ores and roll the billets to produce steel conforming to IS:1786) Cold twisted deformed bars (IS : 1786). 12 Labour charges for cutting, bending for fabrication and binding reinforcement (plain or tor/ribbed/TMT steel) as per drawing and design for R.C.C. and R.B. work including cost of binding wire with all lead and lift up to floor five level complete. 13 Providing and laying in position Ready mix concretee manufactured in fullyautomatic Batching Plant andtransported to site intransit mixer for having continous agitated mixer, manufactured as per approved mix design of specified grade of RCC work including pumping of R.M.C. from transit mixer to site of laying , exculding the cost of centering, shuttering and reinforcement with all lead and lift including cost of admixtures in recommended portion as per IS 9103 to accelerate/ retard setting of concretee, improve workability without impairing strength and durability as per direction of Engineer in charge. All works upto floor V floor M20 grade Design Mix by using cementas per codal provision. 14 3.3Construction of RCC (Flat slab type) Clear Water Reservoir of following capacity as per the Scope of work and Technical specification, consisting of the following main activities: -a) Topographic survey, preparation of site contour plan, conducting SBC testand its approval from departmentbefore construction. Submission and approval of concrete mix design and water quality test report for water to be used in construction. b) Excavation in all types of soil, PCC below foundation & all RCC Work including all labour and material charges including providing and fixing of accessories such as SS ladder, SS manhole frame and covers, water level indicator (float type), SS ventilator with SS screen, float valve, puddle collars, G.I. pipe railing around walk way, Top Dome/Slab, Staircase.c) CWR shall be provided with adequate plinth protection all around the structure in a width starting from edge of structure at GL and extending at least up to 1.0m beyond the vertical wall of CWR. The plinth protection shall consist of 150mm thick PCC in M-15 concrete over 150mm thick compacted soil fill.d) Providing and applying two coats of food grade epoxy paint on the inside surface of the roof slab, and 600 mm height of the vertical wall.e) Successful hydro test and water tightness test as per I.S. code.f) Providing and applying three coats of anti-carbonation paint on the roof Slab.g) Providing and applying three coats of cement-based paint on the remaining external surface area of the structure. h) Providing and fixing SS-304 ventilator, SS 304 manhole frame and cover and SS 304 ladder from roof slab to bottom Slab, inside container. Providing and fixing water level indicator (Float type).i) Providing and fixing MS ladder from ground to top slab. j) All MS parts to be painted with two coats of the enamelled paint over the primer coat of red oxide.k) Providing and fixing of 150mm wide water bar for the construction joints in the container.l) Providing and fixing CI/DI puddle collars the vertical wall for connecting inlet, outlet, overflow and washout pipes of the reservoir.m) Inlet, outlet, overflow, washout pipes and valves are not included in this work, provision for the same shall be taken separately.3.3.1Rates for RCC Partially Underground type clear water reservoir SBC 7 T/sqm, SEISMIC ZONE-2,3 & 43.3.1.7300 KL capacity 15 P & F Ball Cock (IS :1703 Mark) with Rod& P.V.C. Ball complete : Brasswt.Not less than 600 gm, 25mm. 16 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 20mm nominal bore. Horizontal 17 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 20mm nominal bore. Vertical 18 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 25mm nominal bore. Horizontal 19 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 25mm nominal bore. Vertical 20 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 50mm nominal bore. Horizontal 21 P & F Gun-metal Non-return Valve or Check Valve (IS : 778 Make) of approved make, superior quality: 50mm nominal bore. Vertical 22 P & F PVC Storage Tank ISI Marked (IS : 12701) indicating theBIS license No),of approved make with cover, 25mm dia 1M long G.I. over-flow pipe & 25 Cm. long wash out pipe with plug & socket, including making connection etc., complete of approved design:1000 litres capacity. 23 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (IS 15778 : 2007 code) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1 metre spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. (Internal work Exposed on wall) 25 mm nominal size 24 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (IS 15778 : 2007 code) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings, this included jointing of pipes & fittings with one step CPVC solvent cement , trenching refilling & testing of joints complete as per direction of Engineer in Charge. (External work).20mm nominal size 25 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (IS 15778 : 2007 code) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings, this included jointing of pipes & fittings with one step CPVC solvent cement , trenching refilling & testing of joints complete as per direction of Engineer in Charge. (External work).25 mm nominal size 26 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (IS 15778 : 2007 code) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings, this included jointing of pipes & fittings with one step CPVC solvent cement , trenching refilling & testing of joints complete as per direction of Engineer in Charge. (External work).32mm nominal size 27 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (IS 15778 : 2007 code) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings, this included jointing of pipes & fittings with one step CPVC solvent cement , trenching refilling & testing of joints complete as per direction of Engineer in Charge. (External work).50 mm nominal size 28 4.1 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 29 5.1Providing, installation, testing and commissioning of Centrifugal Monoblock pump set conforming to IS 9079 , 2 pole motor operating at syncronised speed of 3000 RPM with requisite MOC impeller, priming funnel, cock, suitable flanges at suction and delivery side. Pump shall have common shaft for pump and motor. Motor shall be suitable for working on 415 V 10%, 3 Ph, 50 Hz A.C. Supply. Motor shall be TEFC type and Pump set shall be suitable for working at various discharge and head requirements as per scope of work. Pump shall be erected onC.C. foundation / cross channels / RSJ frame block with suitable foundation bolts grouted in C.C. foundation block etc. complete in all respect as perspecification, scope of work and direction of Engineer in Charge of following power rating, suitable for prescribed duty conditions mentioned in TD.5.1.1Centrifugal Monoblock Pump set (Single Stage)5.1.1.12.2 KW (3.0 HP) 30 5.1Providing, installation, testing and commissioning of Centrifugal Monoblock pump set conforming to IS 9079 , 2 pole motor operating at syncronised speed of 3000 RPM with requisite MOC impeller, priming funnel, cock, suitable flanges at suction and delivery side. Pump shall have common shaft for pump and motor. Motor shall be suitable for working on 415 V 10%, 3 Ph, 50 Hz A.C. Supply. Motor shall be TEFC type and Pump set shall be suitable for working at various discharge and head requirements as per scope of work. Pump shall be erected onC.C. foundation / cross channels / RSJ frame block with suitable foundation bolts grouted in C.C. foundation block etc. complete in all respect as perspecification, scope of work and direction of Engineer in Charge of following power rating, suitable for prescribed duty conditions mentioned in TD.5.1.1Centrifugal Monoblock Pump set (Single Stage)5.1.1.47.5 KW (10 HP) 31 6.8 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/ 410 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. 6.8.1Manually Operated Resilient Seated Sluice Valves of Class PN 1.66.8.1.2100 mm dia 32 6.8 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/ 410 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. 6.8.1Manually Operated Resilient Seated Sluice Valves of Class PN 1.66.8.1.4150 mm dia 33 7.1 SITC DOLStarter type LT Panel of followingrating, all switchgears are of PHED approved makes, CRCA sheet of Panel enclosure is of TATA/ Essar 1.6mm/ 2.0mm thickduly Electrostatic Powder Coated with angle frame including other ancillaries ( Insulators, Acrylic Sheet , Baklight Sheet, Hardware, Wire, Name Plates, Lugs, Pvc Channel , Mcb Chanel , Lock, Hing , Bidding , Connectors, Netural Links , Sprial , Saddle & Packing Material ) etc. complete as per Technical Specifications and as per direction of Engineer-In-Charge. 7.1.1 DOL STARTER2.2 KW(3 HP)- :For 2 motors (1 W+ 1S) I/C -MCB 25A ,FP, 10 KA, C Curve (1) , Analog Voltmeter 96*96mm ( 0-500V ) (1), Volt Selector Switch (1) , Analog Ammeter 96*96mm ( 0-60A ) (1), Amp. Selector Switch (1), C. T. 30/5A CL 1.0 5VA (3) , Indicating Lights ( Red-1, Yellow -1) (2), Indicating Lights ( Blue - 1 ) (1), Control MCB 6A SP 10 KA C Curve (3)and O/G-MCB 16A ,TP, 10 KA, C Curve (2), Power Cont 9A TP AC3 Duty(2), 2 NO+2 NC Aux. Block(2), Thermal Overload Relay (4-6A )(2), Control MCB 6A SP 10 KA C Curve (2), Single Phase Priventer (2), Indicating Lights (Red- 1, Green - 1, Amber-1)(6), Push Button 22.5 ( Red - 1, Green - 1 )(4), Selector Switch 1 Pole, 2 Way (2), Capacitor 440VAC Heavy Duty MPP Type 2 Kvar (2) 34 7.2 SITC STAR DELTA Starter type LT Panel of followingrating:all switchgears are of PHED approved makes, CRCA sheet of Panel enclosure is of TATA/ Essar 1.6mm/ 2.0mm thick duly Electrostatic Powder Coated with angle frame including other ancillaries ( Insulators, Acrylic Sheet , Baklight Sheet, Hardware, Wire, Name Plates, Lugs, Pvc Channel , Mcb Chanel , Lock, Hing , Bidding , Connectors, Netural Links , Sprial , Saddle & Packing Material ) etc. and 100A/ 125A ,TPN, Aluminum Bus Bar with Colour coated heat shrinkage sleeves complete as per Technical Specifications and as per direction of Engineer-In-Charge. 7.2.1 STAR DELTA STARTER 7.5 KW (10.0 HP)- : For 2 motors(1 W+ 1S) I/C -MCB 63A ,FP, 10 KA, C Curve (1) , Analog Voltmeter 96*96mm ( 0-500V ) (1), Volt Selector Switch (1) , Analog Ammeter 96*96mm ( 0-60A ) (1), Amp. Selector Switch (1), C. T. 60/5A CL 1.0 5VA (3) , Indicating Lights ( Red-1, Yellow -1) (2), Indicating Lights ( Blue - 1 ) (1), Control MCB 6A SP 10 KA C Curve (3) andO/G-MCB 32A ,TP, 10 KA, C Curve (2), Power Cont 18A TP AC3 Duty(2), 2 NO+2 NC Aux. Block(2), Thermal Overload Relay (7-10A )(2), Control MCB 6A SP 10 KA C Curve (2), Single Phase Priventer (2), Indicating Lights (Red- 1, Green - 1, Amber-1)(6), Push Button 22.5 ( Red - 1, Green - 1 )(4), Selector Switch 1 Pole, 2 Way (2), Capacitor 440VAC Heavy Duty MPP Type 5Kvar (2), S/D Timer(2) 35 Construction and commissioning of tubewell(102217) 36 1.4 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. 1.4.1HDPE PE-80PN-61.4.1.390 mm dia 37 2.1Construction 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.2.1.3Nominal bore 250 mm dia. 38 2.1Construction 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.2.1.3Nominal bore 250 mm dia. Add 15% extra on above item (Item no 2.1.1 to 2.1.3) for drilling depth beyond 100 mtr and up to 200 mtr, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr. 39 2.10Development 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. 40 2.11Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to dateoffollowing sizes 2.11.3250 mm dia NB (Thickness of pipe 7.1 mm & mass of tube 46.57 Kg/m) 41 2.12Labour 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. 2.12.4250 mm dia nominal bore of 7.1mm thickness 42 2.15Supply & 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.2.15.12 15 KW (20 HP) and above, head above 120 mtr. 43 2.18Supply 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 18and 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.2.18.4Above 20 HPand up to 30 HP 44 2.19Supply & 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. 2.19.33 core 10.0 Sq.mm 45 2.20Supply & 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.2.20.435.0 Sq.mm, 3.5 core 46 2.21 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.Bclass 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. 47 2.22Supply & 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. 48 2.23Supply & 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.2.23.4250 mm dia 49 2.24Providing & Lowering in tube well ISI marked GI Pipe medium duty ( Bclass), 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.2.24.365 mm dia 50 2.26Providing, 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.2.26.380 mm dia 51 2.27Providing & Fixing pump safety cage as per specifications or as directed by Engineer in charge. 52 2.3Construction 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.2.3.3Nominal bore 250 mm dia. 53 2.30Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes2.30.280 mm dia 54 2.8Testing 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. 55 4.1 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
