General Fund Providing 200 mm Dia DI Sluice Valve Interlink Work Municipal Water Supply Distribution 200mm dia DI Pipe line at Weekly Market Pumping main Line in Kadayanallur Municipality

Amount

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers.Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B(twad 2022-2023,P.No:291)

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/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 areto be compatible for buried application with pressure rating PN 10/16 and with 5 years (200 mm valve)

Supply Delivery of following DI Specials the rate includes cost and conveyence and all taxes etc, complete (200mm Tail piece)

Supply Delivery of Ms Bolts and nutsfor fixing the valve of size 16mm dia x 65-90 mm Length Fully threaded Bolts nuts with 2 nos the rate includes cost and conveyence and all taxes etc, complete

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement

Lowering of DI valve in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.including cost and conveyence of materials and labour charges etc, complete as per stand ard specifications.

Abdul Malik