tender for construction of drainage in main road varadesi nagar at ellasikudisai head of punganur panchayat in thimiri panchayat union , earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, earth mixed with small sized boulders and hard gravelly soil as per ss 20b , cement concrete 1:4:8 mix using 40mm iss metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for 10 cum. , supplying & erecting centering for sides & soffits including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle etc complete , cement concrete 1:3:6 mix using 20mm metal including all cost and conveyance and etc complete , plastering with cm 1:4 mix using 40mm thick including all cost and conveyance and etc complete , provision for name board charges , provision for photo charges , 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)