tender for providing drainage with coverslab in tnhb sivan kovil road in ayapakkam panchayat , earth work excavation and depositing on bank with in initial lead including cost of conveyance etc,..completed , filling with m sand including cost and conveyance of all materials to site etc., complete , cement concrete 1:4:8 ( one cement five sand and ten hard broken stone) using 40 mm gauge hard broken granite stone jelly for foundation including cost and conveyance of materials to site and labour charges for laying, watering and compacting etc. comple , supplying and erecting centering shuttering including necessary supports for plane surface in foundation and basement and in all floors for r c c column footing using mild steel sheets of size 90 x 60 cm for all labour charges etc , supply and fabrication of steel including cost and conveyance and alla labour charges etc. complete. , cement concrete 1:2:4 mix using 20mm iss metal including cost and conveyance and all labour charges etc. , reinforced cement concrete 1:1.5:3 mix using 20mm iss metal including cost and conveyance and all labour charges etc. , cost and supply of man hole cover sor p-55 slno-238 , 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)