tender for extension of pipe line at ward no.5., anna colony and anna pudhu colonyin modakkurichi town panchayat.; 1 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) 2 supply and delivery of 63 mm pvc 6 kg /cm2 pipeincluding cost and conveyance with loading andunloading charges etc.,complete., 63 mm pvc 6 kg /cm2 pipe 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. 63 mm pvc 6 kg /cm2 pipe 4 refilling with excavated excess earth work including all labour charges etc., complete complying with standard specification.