Extension of Pipeline at Ward no 14,Valasakkalpatty Main Road to Thangaraj House in Gangavalli Town Panchayat - 15th Finance Commission Basic Grant Tied 2nd instalment 2024-25

Amount

Supplying and fixing in position of the following PVC / G.I pipes and specials best approved quality conforming to ISS and providing leak proof joint with PVC adhesive etc., complete complying with standard specification.

90mm HDPE Pipe

Earthwork excavation in all soils and sub soils except hard rock not requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per standard specification. as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10

Lowering PVC rigid/ HDPE pipes and specials to trench and laying to proper grade and alignment jointing with PVC couplers with cement paste and testing to the required pressure including conveyance of water for filling during testing etc.,Complete

Jointing HDPE Pipes and Specials by Butt Fusion Welding / Electro Fusion Welding Joints using Fusion Equipmentsas per ISO 21307-2011 ans As per IS 7634(Part 2 ): 2012 including cost of hire Charges for butt Fusion equipment Power Supply arrangements etc., Complete mas per Directed by TWAD Board Officers.

Refilling with excavated earth after laying the pipes into the trenches well rammed and compacted the surplus earth over the pipeline trench including leveling the site complete complying with standard specifications including all labour charges etc., Complete as per Standard Specifications.

Sri Amman Arul Contractor (BID ID -1315320)