tender for extension of pipe line at ward no :10 kadhakottai ( karur-dharapuram main road ) in kannivadi town panchayat.; 1 supply and delivery of 63 mm pvc pipes using 6 kg / cm2 including cost and conveyance of all materials to site. 2 earth work excavation and depositing on bank with initial lead of 10 meters and initial lift of 2 meters in hard stiff block cotton hard red earth murrains, gravel, stony earth mixed with small size boulders and hard gravel soil etc., complete as per standard specification ( ss 20b ) 3 loweringpvc rigid pipes and specials to trench and laying to proper gradient 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 complying with standard specification. 63mm pvc pipe 4 refilling with excavated excess earth work including all labour charges etc., complete complying with standard specification.