Providing 88 KLD of Water Supply to 888 TNUHDB Tenements at Pongalur village of Tiruppur District under CWSS to Annur Mooperipalayam and Avinashi Town Panchayats in Coimbatore and Tirupur Districts as Deposit Work Construction Period 3 Months

CIVIL WORKS

Earthwork excavation and depositing on bank with initial lead of 10m in narrow trenches to the required depth for laying of pipes for water supply works including all other incidental works in the following type of soils, etc., complete and as directed by the TWAD Board Officers.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil etc., complete.

110mm HDPE PN 6

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers. For depth upto 2m

110mm HDPE PN 6

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

100mm GI pipe for Culvert Crossing

Testing of HDPE 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 diameter of pipes and as directed by TWAD Board Officers.