tender for 1.construction of drainage at thulasai nagar in senneerkuppam panchayat. , earth work excavasion in all soil includind all cost and conveancy charges , supplying and fixing of m sand including all cost of matrial and conveyance to site and labour charges for laying, watering and compacting etc. complete , cement concrete 1:4:8 using 40mm hbg metal including cost and conveyance of all materials to site and all labour charges etc. complete , cement concrete 1:3:6 using 20mm hbg metal including cost and conveyance of all materials to site and all labour charges etc. complete , cost towards supply centering with planks including all cost and conveyance charges , plastering in cement morter 1:4 20mm thick including cost and conveyance of all materials site and all labour charges etc. complete , supply & fabrication of steel including cost and conveyance extra complete , reinforced cement concrete 1:1.5:3 mix 20mm metal including cost and conveyance etc. completed , 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)