GF 24_25 Providing Water supply PVC pipeline at Kondangi to Agaram road in Thiruporur Townpanchayat.Chengalpattu District

Amount

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc.,as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10 with standard specifications.

Supply of 160 mm dia PVC pipe 6 kg per Cm2. ( M-0873 Page 146 SOR 2024-25 Volume 1)

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. For depth upto 2m 125mm to 160mm dia (OD) PVC pipe ( WD-W0426 Page 171 SOR 2024-25 Volume 2)

REFILLING FOR PIPE LINE WORKS HAVING BED WIDTH OF 1.25M AND BELOW ON LINEAR MEASUREMENT BASIS PVC 160 mm dia ( WD-W0708 Page 192 SOR 2024-25 Volume 2)

Supplying of PVC Bends fabricated 6 KSC 160 mm ( WD-M0108 Page 10 SOR 2024-25 Volume 2)

Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty 200 mm dia (WD-M1201 Page 66 TWAD SOR 2024-25 Volume 2)

M N BALASUNDARAM (BID ID -1237811)