tender for extension of 90mm (6ksc) providing pvc pipe lineto krishnanathar street in podhaturpettown panchayat.; 1 dismantling and clearing away the existing plain cement concrete surface for cc road cutting etc., complete complying with standard specifications and as directed by the department. 2 earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 m in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works inhard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil as per s20b (twad schedule item n0. 1b) 3 supply delivery and filling of stone dustin layer of not more than 10 cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyence of sand at site and all labour charges and all other incidential charges etc,. complete as per standard specification 4 supply and delivery of90mm dia 6ksc un plasticized pvc pipes for potable water supply as per is 4985 / 2000, including cost and conveyance of pipe and stacking at site etc., complete (twad sr2024-25.pg.no.146.sl.no.ii 5) vol-i 5 supplying and delivery of pvc specials including cost and conveyance of all materialsand stacking at site etc., complete90mm dia pvc coupling 6 supplying and delivery of pvc specials including cost and conveyance of all materialsand stacking at site etc., complete90mm dia pvc bend 7 supplying and delivery of pvc specials including cost and conveyance of all materialsand stacking at site etc., complete90mm end cup 8 lowering of 90mm dia pvc pipes with specials in the trenches and laying to proper alignment and gradiant of water flow and as directed by the department complying with standard specification 9 refilling with excavated earth complying with standard specification for filling in foundation including all labour charges as per ss 10 plain cement concrete 1:4:8 mix (one part of cement, four part of m- sand and eight part ofaggrigate) 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. 11 plain cement concrete 1:1.5:3 (one part of cement, one and half part of crushed sand (m- sand), three coarse aggregates) using 20mm size iss hbg metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification