Tender For Providing Borewell At Ward No 15 In Mangadu Municipality, Kanchipuram-Tamil Nadu

Tender For Providing Borewell At Ward No 15 In Mangadu Municipality; 1 Conducting of Geo Physical Survey for achieve maximum Quantity of water etc. 2 Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia(For upto 300mm dia) and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling bentonite and water required for drilling at site. Site will be shown by the TWAD Board officers including construction of mud pit. Drilling of 140/150 mm pilot bore upto 60m Depth ending below ground level etc., complete. (TWAD SOR Pg - 272)Upto 60 m Depth ending below ground level 3 Reaming 200 mm dia pilot bore to 350mm dia bore as directed by the TWAD Board Officer. Upto 60m depth ending below ground level etc., complete as per standard specification. TWAD SOR Pg - 273) 4 Supply and delivery of following 200/150mm dia CS and RS casing pipe as pe IS 12818/2010 . including cost and conveyance of pipes with accessoriesto site etc., complete - RS Casing shallow depth (plain pipe) - (TWAD SOR Pg - 42)200mm RS Casingpipe 5 Labour Charges for insertingCasing pipes assembly with slots or with out slots in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineers of TWAD Board.(TWAD SOR Pg - 274)200mm RS Casingpipe 6 Supply and delivery of following PVC, GI Pipes andSpecials including cost and conveyance of pipes with accessoriesto site etc., complete50mm Upvc pipe (TWAD SOR PG - 44) 7 50mm dia G.I Elbow (TWAD SOR PG - 64) 8 50mm dia G.I flange set (TWAD SOR PG - 64) 9 50mm dia G.I Nipple (TWAD SOR PG - 64) 10 50mm dia MS clamp set (TWAD SOR PG - 64) 11 SupplyandfixingofTNEBmeterboardsuitablefor32Athreephaseserviceconnectionwith3Nos.32Afuseunit (500V)32Aneutral linkandearthlink(1x1/8copper flat)onTWplankofsize600mmx450mmx19mmwith supportingTWreepersof1thickaneithersidewithpaintingwithsuitableboltandnutsforfixingtheTWplankon wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit 12 6 sqmm 3core aluminium servicecable (TWAD SOR PG - 118) 13 supply and delivery of 5 HP Star-Delta starter confirming to IS13947 and IEC60947-1 3nos., CToperatedAmmeter (65mmdia)withsuppressedscale, Voltmeter(65mmdia), Voltmeterselectorswitch,Miniaturecircuitbreaker,ThermalOverloadrelay,AirBreakcontactorssuitablefornextStandardhigherKWrating,Singlephasingpreventor,dryrunningpreventorandOn/OffPushbuttonswitches,wiringwith1sq.mm/4sq.mmcopperpvcinsulatedcable,powdercoatedverminproofbox,including the capacitor (the cost of capacitor is to be taken separately).(TWAD SOR PG 113) 14 4sqmm 3core flat cable (TWAD SOR PG - 118) 15 Supply of Gunmetal non return valve 2.0 dia. (ISI) 16 Supply and delivery of clear water vertical wet type( 50 x 175 LPM) submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continuos rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % - 5 HP Submersible pumpset. (TWAD SOR PG 101) 17 Rate for flushing of borewell of 6 dia requiring minimum 8 hours operation using drill rods/ hose with required sizeof pipes for various capacity compressor includingtransportation, labour, and fuel charges for compressorsas directed by the TWAD Officer and conducting yield test by V notch method if required - 125 cfm (100Psi) ..(TWAD SOR PG - 279) 18 Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.. (TWAD SOR PG - 278) 19 Supply delivery and Fixing of Nylon Rope for bor wellIncluding Cost and conveyance of material and labour charges forLaying and Jointing of pipes, Testing andlabour charges etc., (PWD Shedule of Rate Page No.105 Ityems No.112) 20 Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements and labour charges (TWAD SOR Pg - 88) 21 Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers a Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B (TWAD SOR 2024--25 / PG 192) 22 Supply and Delivery of Following Pipes and Specials including cost and conveyance of all materials to site and all labour charges and all other incidental charges etc., complete as per standard specification. 90 mm P.V.C Pipe 6Ksc (TWAD SOR 2024--25 / PG 5) 23 90 mm P.V.C Bend (TWAD SOR 2024--25 / PG 10) 24 90 mm P.V.C Tee (TWAD SOR 2024--25 / PG 10) 25 90 mm P.V.C Coupler (TWAD SOR 2024--25 / PG 10) 26 Lowering Of 90mm to 110mm dia (OD) PVC pipes and Specials in the trenches and Laying to Propper Grade and Allignment By Departmentalofficers (TWAD SOR 2024--25 / PG 171) 27 Refilling The Excavated Earth including of all Charges Etc Complete complying with standard specification (TWAD SOR 2024--25 / PG 192)

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