GF 2023-24 Providing Water supply D.I main pipeline at Kondangi to Agaram road in Thiruporur Townpanchaya

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.

Refilling with excavated soil (other than sand) complying with the standard specification for filling in foundation and basement. (Sl.No 19.b. Page 298 TWAD SOR 2023-24)

Supplying of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 200 mm dia (TWAD SOR 20223-24 Page no.47)

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the Officers. 200 mm dia (Page 270 TWAD 2023-24)

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 equivalent grade, 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/ISI14846-2000/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 1.0 WITH ISI MARKING AND WITH 5 YEARS WARRANTY (Page 68 TWAD 2023-24)- 200 mm dia (page 74 TWAD 2023-24)

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials) - 200 mm (page 273 TWAD 2023-24)

Supply of 90 Degree Bend PN 6- 200 mm (Page 32 TWAD 2023-24) 200 mm dia C.I joint

RAJAMANI R