re construction of drain and culvert at ward no.13 slum board appartment near block no.30 in vellalore town panchayat , dismantling the existing damaged cc drainage portion including cost and conveyance of all charges etc completely , earth work excavation for foundation and depositing on bank with n 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., as per ss 20 b tndss no: 23 & 24 vi (s2) vi (s2) vi, vii 9, 10 with standard specifications. , 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. , supplying and erecting centering to sides and soffits including supports to sides and soffits including supports and strutting with necessary cross bracing for plain surfacesuch as rcc slabs rectangular beams all beams lintels etc., centering for soffits upto 3 meter height using mild steel sheet of size 90cm x 60 cm x 10 mm gauge withms angles of size 25mm x 25mm x 3mm laid over silver oak (cw) joists of size 10cmx 6cm spaced upto 90cm c/c and casurina props or 10cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per tndss no:30 & 86. drain sidercc slap , plain cement concrete 1:3:6 mix (one part cement, three part sand and six part of aggrigate using 20mm 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 and fabrication of steel and placing in position of tmt steel rods for rcc works as per design given including cost of steel and gi binding wire in all slabs etc., complete completed complying with standard specification in tndss no:97 v,vi (s6) vii (s6), vii-3. , reinforced cement concrete 1:11/2:3 mix (one part cement, one and half part sand and three part of aggregate) using 20mm size iss hbg metal machine crushed form approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. complete with std. specifications. tndss no: 30 v, vi (s3), vii-3. , finishing the top of flooring with granothatic flooring with cement concrete 1:2:4 (one cement, two sand and four aggrigate) using 6 to 12mm stone chips - 25mm tk etc., complete.