154/2024/a1 construction of drain at errikari street in thiruvennainallur town panchayat , 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.ss 20 btndss no 23& 24vi(s2) vii 9,10 , 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. complying with std. specifications.tndss no28 v, vi(s2) v, vi(s5a) vii , supplying and erecting centering for sides and soffits including supports and strutting up to 3.29mm height for plane surfaces in all floors with cross bracings using mild steel sheets of size 30cm x 55cm and 10 gauge stiffened welded with mild steel sheets of size 25mm x 25mm x 3mm for boarding and laid over silver oak (country wood). joists of size 10cm x 6.5 cm dia spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc complete complying with standard specification tndssno. 30 &86 , plain cement concrete 1:2:4 mix (one part cement, two part of sand and four part of aggrigate) using 20 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. , supplying fabricating and placing in position of tmtsteel rods including cost of binding wire, cost of labour charges for fabrication and placing in positionetc. complete. complying with std. specifications. tndssno,97 v,vi (s6) vii (s6)vii-3 , reinfo