Shifting of water supply main line in pasumalai near thirupparamkundram thenkal tank NH7 road in ward 99

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand, or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hard rock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc., complete 10cum

Supply, Delivery and fixing of DI pipes and Specials as per IS Specification 200mm DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000

200mm DI Bend (DUCTILE IRON SPECIALS AS PER IS 9523/2000)

200mm DI TEE (DUCTILE IRON SPECIALS AS PER IS 9523/2000)

200mm DI Coupler (DUCTILE IRON SPECIALS AS PER IS 9523/2000)

Valve Chamber

200mm DI SLUICE VALVE 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 lectrostatic 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

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

Jointing D.I pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

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

Inter connection work for existing main to new main pipe etc complete

ADD GST 18%

N K MARI

N NALLATHAMBI