tender for construction of culvert in muthumariyamman kovil street at chennaleri adc head of parikalpattu panchayat , 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 (one cement, four m.sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick, well rammed, consolidated and curing etc. complete complying with standard specification , supplying and erecting centering for sides and soffits including supports and strutting upto 3.29 m high for plane surfaces such as reinforced cement concrete slabs, rectangular beams, tee or ell beams, lintels, bed blosks. staircase waist and landing slabs, landing beams, canopy etc., , above gl , supplying fabrication of steel for works including cost and conveyance of all materials to worksite and all labour charges etc., complete , reinforced cement concrete 1:1.5:3 mix using 20mm hbg metal including cost and conveyance of all materials to work site and all labour charges etc.complete , cement concrete 1:3:6 mix using 20mm metal including cost and conveyance of all materials to work site and all labour charges etc complete , floor plastering with cement mortar 1:4 mix using 20mm thick including all cost and conveyance and etc complete , provision for name board , provision for photocharges , 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)