tender for 1.construction of drainage at jj nagar 1st and 2nd street in soranjeri panchayat , earth work excavation and depositing on bank with initial lead and lift in hard stiff clay and hard gravelly soil as per ss20b for narrow foundations. etc,.complete. , 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 mix using 20 mm metal including cost and conveyance of all materials to site mixing, placing, curing 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 , 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)