Supply and fixing 150mm DI pipe flange type from infiltration well no 2 to Nandhiyalam Head house in Melvisharam Municipality

Earth work Excavation and depositing on bank with initial lead of 10m and lift of 2m in narrow trencheshaving bed with 1.25m & below for laying of pipes for water supply in the sand silt (or) other loose soil , wet sand (or) silt not under water light black cotton soil sandy loam and ordinary soil SS 20B as directed by depatmental officers.

150 MM DI K7 CL. S/S. PIPES (5.00 m length)

Lowering of DI / CI pipes and specials in the trenches and laying to proper grade and alignment and as directed by the officers. Twad 25-26 Page No.1

150 MM DI K7 CL. S/S. PIPES (5.00 m length)

Jointing the CI/DI .Double flanged pipes and specials with rubber Insertion to with IS -63 B (1979) and M.S.bolts and nuts of 1364-1 ( 2002) including cost of jointing materials such as bolt and nuts Rubber insertion and Labour Charge etc, Completed. SOR 25-26 P.185

150 MM DI K7 CL. S/S. PIPES (5.00 m length)

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. page(179)TWAD Page . 282

150 MM DI K7 CL. S/S. PIPES (5.00 m length)

Refilling the pipeline trenches with excavated earth complying with standard specifications.

Supplying and conveying of following sizes of DI K9 Flanged pipes to site confirming to specifications as per IS 8329 / 2000 for standard length including cost of pipe, testing charges at factory, labour charges for loading, unloading and stacking @ site.

150 MM DI K7 CL. S/S. PIPES (5.00 m length)

Supply and delivery of following CI D/F specials as per IS 1538 / 1986 at site of work for pipeline works.

150mm x 90 Deg Bend (5 Nos)

150mm x 45 Deg Bend (5 Nos)

Drilling of borewell in sedimentary / Hard Rock area using Hand bore set for the borewell size 6" to 8" dia at 5.00 m interval for connecting main (Anchoring arrangements) including insertion of PVC pipes as directed by the officers. TWAD Page . 312

P.C.C 1:2:4 (one cement, two sand and tour hard broken stone) using 20mm size hard broken stone excluding the cost of steel reinforcement and centering charges but including cost of mixing lifiting and vibration of concrete and curing etc complete for anchoring.

Supply and delivery of PVC pipes for anchorage arrangements.TWAD Page . 20

90 mm Dia. PVC 4 KSC pipes

Supply and Fabrication charges for making clampset suitable for connecting main including cost of bending drilling holes suitable for bolts painting one coat of red oxide etc.completed and as directed by the departmental officers.

Supply and bolts nuts of size 16mm dia 65 to 40mm length fully threaded bolt and nuts etc.completed.