extension of pipe line at ward no.4, ramamoorthi nagar area in p.n patty town panchayat.; 1 dismandling plain cement concrete including all labour charges and all materials to site etc…. 2 earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc. complete. complying with std. specifications. 3 supplying and fixing in pisition of the following pvc and g.i specials best approved quality conforming to iss and providing leak proof joint with pvc adhesive etc., complete complying with standard specification. 4 50mm gm gate valve 5 80mm gm gate valve 6 63mm hdpe pipe 7 90mm hdpe pipe 8 towards labour charges for laying of pipe line with specials to proper slopes and gradientsincluding all cost and conveyance etc., complete as per standard specification. 9 63mm hdpe pipe 10 90mm hdpe pipe 11 refillng with excavated earth after laying the pipes into the trenches includingall labour charges etc., complete as per standard specifications. 12 plain cement concrete 1:4:8 mix ( one part cement, four part sand and eight part of aggrigate ) using 40 mm size iss hbg metal from approved quarry including cost and conveyance of all materials to site. loading and unloading charges and labour charges for mixing. laying and curing etc., complete as per tndss no : 28 & vi ( s2 ) vi ( s5a ) vii standard specifications as directed by engineer incharge.