tender for maintenance of drain at panchayat colony in ward no.7; 1 plain cement concrete 1:4:8 mix (one part cement, four part sand and eight part of aggrigate) using 40mm size iss hbg metal machine crushed 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. 2 centering for sides and soffits of r.c.c. slab surfaces such as beams, lintels roof slabs andsunshades including cost and conveyance of all materials to site and labour charges forcentering and structing upto 3.00 m height etc.complete. complying with std. specifications. 3 plain cement concrete 1:2:4 mix (one part cement, two part sand and four part of aggrigate) using 20mm size iss hbg metal machine crushed 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. 4 supplying and fixing of 0.30m dia rcc hume pipe and the rate including cost and conveyance of all materials to work site and all other labour charges etc complete as per standrad specification