tender for construction of 3.0 m reinforced cement concrete slab culvert in krishna nagar om sakthi kovil back side head of anandalai panchayat , earth work excavation and depositing on bank with initial lead of 10m initial lift of 2m in hard stiff clay soil etc complete for open foundation as per ss 20 b , cement concrete 1:4:8 mix using 40mm hbg metal including cost and conveyance of all materials and all labour charges for mixing laying and compacting etc. complete , cement concrete 1:3:6 mix using 40mm hbg metal including cost and conveyance of all materials and all labour charges for mixing laying and compacting etc. complete , plain cement concrete 1:2:4 mix using 20 mm iss sine hbg metal including cost and conveyace of all materials and all labour charges,etc complete, , reinforced cement concrete 1:1.5:3 mix using 20 mm iss sine hbg metal including cost and conveyace of all materials and all labour charges,etc, , supply and fabrication of steel for reinforced cement concrete items including cost and conveyance of binding wire, etc., complete , supplying and errecting centering for sides and soffits including supports and strutting up to 3.20 m height for plane surface in all floors with all cross bracing using mild steel of size 0.90 cm x 60 cm and 10 guage stilfaned welded with mild steel angles of size 25 mm x 25 mm x 3 mm for boarding laid over silver oak (c-word) joint of size 10 cm x 6.50 cm dia spaced about cnter to center and supported by casuarinas propels of 10 cm to 13 cm dia spaced at 75 cm center to center etc., complete complying with std. specification and as directed for the following items , supplying and errecting centering for sides and soffits including supports and strutting up to 3.20 m height for plane surface in all floors with all cross bracing using mild steel of size 0.90 cm x 60 cm and 10 guage stilfaned welded with mild steel angles of size 25 mm x 25 mm x 3 mm for boarding laid over silver oak (c-word) joint of size 10 cm x 6.50 cm dia spaced about cnter to center and supported by casuarinas propels of 10 cm to 13 cm dia spaced at 75 cm center to center etc., complete complying with std. specification and as directed for the following items , gst amount for providing service to government contract works for the above construction & maintenance works.