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| 1 | Supplyingandconveyingoffollowing sizes of PVC pipe / Spigot pipes to site confirmingtospecificationsasperIS 8329 / 2000 for standard length including cost of pipe, testing charges at factory, labour charges for loading, unloading and stacking |
| 2 | 110 mm PVC Pipe 6KSC |
| 3 | 110 mm PVC Bend |
| 4 | 110 mm PVC Tee |
| 5 | 110 mm PVC Couping |
| 6 | 110 mm PVC End Cap |
| 7 | Supply and delivery of CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING AND WITH 5 YEARS WARRANTY including specials as required, loading, unloading, transportation charges andstacking etc. complete. |
| 8 | 150 mm CI D/F. Sluice Valve. |
| 9 | 150 mm x 0.90 m. CIFlgd / Skt. Tail piece. |
| 10 | Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years |
| 11 | 80mmDISingleChamberAirRelease Valve. |
| 12 | Supply of DI Specials of 150mmx150mmx80mm CI D/S&Flgd.Air valve Tee. |
| 13 | 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. 296) |
| 14 | 110mm dia PVC Pipe |
| 15 | Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. (TWAD SOR 2022-23 Page No. 268) |
| 16 | 110mm dia PVC Pipe |
| 17 | Refilling the pipeline trenches with excavated earth including all labour charges etc., as per standard specification (TWAD SOR 2022-23 Page No. 295) |
| 18 | 110mm dia PVC Pipe |
| 19 | Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.(TWAD Page No. 270/2022-23) |
| 20 | 110mm dia PVC Pipe |
| 21 | Labourchargesforcuttingroads for laying pipeline etc. complete as per standard specifications |
| 22 | Local BT Roads |
| 23 | Supplying and filling the basement with Crusher stone Dustin layers of not more than 15cmthick well rammed watered and compacted - etc., complete complying with standard specification. |
| 24 | Plain Cement Concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers. |
