Providing Addition sourcess water supply Ward 33 Thairyam Pillai street at Pattukkottai Municipality

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 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.Upto 60 m Depth ending below ground level

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 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.From 60 m upto 90 m Depth ending from ground level

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 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. From 90 m upto 120 m Depth ending from ground level

Reaming 300 mm dia pilot bore to 400mm/ 450mm dia bore as directed by the TWAD Board Officer.Upto 60 m Depth ending below ground level

Reaming 300 mm dia pilot bore to 400mm/ 450mm dia bore as directed by the TWAD Board Officer.From 60 m upto 90 m Depth ending from ground level

Reaming 300 mm dia pilot bore to 400mm/ 450mm dia bore as directed by the TWAD Board Officer.From 90 m upto 120 m Depth ending from ground level

PVC CASING PIPE AS PER IS 12818 / 2010 200mm CM

PVC CASING PIPE AS PER IS 12818 / 2010 200mm RS

Labour Charges for inserting 150 mm/200mm/250 mm dia (M.S. Casing 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. 200 mm dia Casing Pipes assembly

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by TWAD Officers and conducting yield test by 'V' notch method.

UPVC - Column pipe 80mm

PVC INSULATED AND SHEATHED 3 CORE FLAT TYPE COPPER CABLE ONFORMING TO IS 694/1990 AND AS AMENDED THEREAFTER 6.0 sq.mm

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. Above 10.00 HP to 20.00 HP

Supply and delivery of clear water vertical wet type 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 continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 % 500x75

THE RATES FOR EARTH WORK EXCAVATION AND REFILLING FOR PIPE LINE WORKS HAVING BED WIDTH OF 1.25M AND BELOW ON LINEAR MEASUREMENT BASIS Earth work 110 mm PVC WD-W0705

THE RATES FOR EARTH WORK EXCAVATION AND REFILLING FOR PIPE LINE WORKS HAVING BED WIDTH OF 1.25M AND BELOW ON LINEAR MEASUREMENT BASIS Refilling 110 mm PVC WD-W0705

UN PLASTICIZED PVC PIPES FOR POTABLE WATER SUPPLY AS PER IS 4985 /2000 II 6KSC WD-M0013 110mm

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. WD-W0425 90mm to 110mm dia (OD) PVC pipe

Supply and fixing of TNEB meter board suitable for 32 A three phase service connection with 3 Nos. 32A fuse unit (500V) 32A neutral link and earth link (1"x1/8" copper flat)on TW plank of size 600mm x 450mm x 19mmwith supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing theTW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB metert of use unit with 1 No 40 Amp 30 MA Four Pole RCD / RCCB (Higher End) with suitable necessary connection SD 128

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