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| 1 | Charges for conducting Geophysical survey etc direction by the Departmental officers |
| 2 | Supply of 150 mm (Casing Shollow depth) 1.2 PVC Casing pipe with exces duty as per IS 12818/1992 |
| 3 | Supply of 200/250 mm (Casing Shollow depth) 1.2 PVC Casing pipe with exces duty including labour charges for inserting of PVC casing pipe as per IS 12818/1992 |
| 4 | Drilling of 150mm dia borewells in hard rock areas anywhere in Tamil Nadu including trasportion to the worksite in hard rock areas and developing the borewells |
| 5 | Supply of 50mm HDPE Pipe for Sub-Mersible pump in Bore well Class-5 (1 Mpa or 10 kg/cm2 pressure) |
| 6 | Supply and delivery of Electric Monoset 3 HP 250x50 LPM Per meter Motor centrifugal pump conforming to IS 9079:2002 as amended from time to time, with CI FG 200 Casing ,hydraulically and dynamically balanced Bronze grade LTB-2 impeller, impeller ring and casing ring, stainless steel shaft capable of discharging requiredquantity of water against a total head noted below due to all causes. Pump shall of BEE 3 Star Rated and capable of discharging the specified quantity at the head noted at the minimum NPSHA at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase , 415 V+/- 10% , 50 Hz +/- 5%. Squirrel cage induction motor for continuous operation. The speed of the Pump and Motor shall be not less than 2700 to 2900 RPM respectively |
| 7 | Supply of 4.0Sqmm PVC insulated and Sheathed 3 core flat type copper cable confirming to IS 694/1990 rates are Including excies duty As per TWAD Sch |
| 8 | Supply of 3 HP Three Phase Panel board with level gourd and auto start As per TWAD Sch. THREE PHASE PANEL BOARD- D.O.L WITH TWO LEVEL GUARD AND AUTO START |
| 9 | Supply and delivery of Following PVC and GI Specials etc., complete as per standard specifications |
| 10 | 25mm HDPE Pipe |
| 11 | 50mm GI Borewell Clamp |
| 12 | 50 mm SS X Nipple |
| 13 | 32 Amps Single Phase Main Box |
| 14 | Earth link SD-234 |
| 15 | 50 mm Hose Coller |
| 16 | Nylon Rope |
| 17 | Wooden Board |
| 18 | 50 mm Flange set |
| 19 | 10Amps MCB |
| 20 | 7/20 Wire (2x6sq.mm SD-66) |
| 21 | 50mm PVC Pipe |
| 22 | 50mm PVC Elbow |
| 23 | 50mm PVC MTA |
| 24 | 50mm PVC Tee |
| 25 | 50mm Ball Valve |
| 26 | 50mm PVC Coupling |
| 27 | Supply and fixing of GI Sheet EB Box |
| 28 | 20Amps Isolator |
| 29 | 20Amps MCB |
| 30 | 32Amps Rewirable fuse Unit |
| 31 | 50mm GI Pipe |
| 32 | MS Kiosk of size0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered |
| 33 | Earth work excavation and depositing on bank with an initial lead of 10 m. and lift of2m.inhardstiffclay,stiffblack cotton, hard red earth, shales, murram, gravel,stoneyearthandearthmixed with small size boulders and hard gravellysoilandasdirectedbythe officers. THE RATES FOR EARTH WORK EXCAVATION AND REFILLING FOR PIPE LINE WORKS HAVING BED WIDTH OF 1.25M AND BELOW ON LINEARMEASUREMENT BASIS (TWAD SOR 2022-23 Page No. 295) |
| 34 | Labourchargesforcuttingroads for laying pipeline etc. complete as per standard specifications. (TWAD Page No. 299/2022-23) |
| 35 | Refilling the pipeline trenches with excavated earth including all labour charges etc., as per standard specification (TWAD SOR 2022-23 Page No. 295) |
| 36 | Labour charges for erection of Submersible pumpet in bore well/ Open well including fixing submersible cable with proper clamps upto to the starter to required depth and also fixing of riser pipes to the required depth calves erection clamps , pusher gauge upto the exterior wall of pump room and erection of panel Board consisting of TPIC switches, voltmeter, Ammeter, Capacitor single preventerand laying and jointing the cable and twin earthling as per IE rules including providing bed block etc., and operating the pumps and trial run 10 days including singing of completion of reports as required by EB authorities TWAD Board Schedule Item No.17C , Page no.206 |
| 37 | Construction of inspection chamber of size 1.00x1.00x0.75m including earth work, PCC 1:5:10mix, Using Brick work for side wall, Plastering with wall both sides and providing Heavy duty Manhole cover etc complete as per standard specifications. |
