tender for construction of new threashing floor at mamandur colony in mamandur panchayat , earth work excavation and depositing on bank with initial lead of 10m initial lift of 2m in hard stiff clay soil etc complete for open foundation as per ss 20 b drain , plain cement concrete 1:4:8 mix using 40mm hbg metal including cost and conveyance of all materials and all labour charges for mixing laying and compacting etc. complete , supply and erection of centering for all plain cement concrete item including cost and conveyance labour charges etc complete , cement concrete 1:3:6 mix using 40mm metal including cost and conveyance and all labour charges etc. , collection and supply of gritty gravel from approved quarry including cost and conveyance of all materials to site including all labour charges for filling etc.complete, , brick work in cm 1:5 mix using country bricks ground moulded of size 23 x 11 x 7 cm for the following including curing etc., complete complying with standard specifications. , cement concrete 1:2:4 mix using 20mm hbg metal including cost and conveyance of all materials and all labour charge etc. complete , plastering with cm 1:5 12 mm thickness including cost and conveyance and all labour charges etc., , painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first quality of approved colour over a priming coat including thorough scrapping , clean removal of dirt and including necessary , gst amount for providing service to government contract works for the above construction & maintenance works. { gst amount is the total gst amount for overall quoted amount (both construction and maintenance) above this row in column bb for all works in this package} (refer clause 13.2 & 13.3 of section 2 of instruction to bidders (itb) of sbd)