tender for construction of drainage thimiri anifi nagar 2nd street (66m to 178m) head of kalmelkupppam panchayat in walajah union. , earth work excavation in all clauses of soil such as hard stiff clay, hard gravelly soil as per ss 20 b for narrow foundation. , cement concrete 1:4:8 mix using 40mm hbg metal including cost and conveyance of all materials to site including all labour charges for filling etc complete. , supplying & erecting centering for sides & soffiots to concrete works including cost and conveyance of all materials to worksite and all labour charges etc., complete , cement concrete 1:3:6 mix using 20mm hbg metal including cost and conveyance of all materials to work site and all labour charges etc.complete , plastering with cement mortar 1:4 mix to 20 mm thick including cost and conveyance of all materials to site and all labour charges etc , gst amount for providing service to government contract works for the above construction & maintenance works.