R AND M OF CABLE TRENCHES AT 220 KV GSS BARAN AND 132 KV GSS BARAN

Amount

Providing and fixing 30mm thick ferrow cast RCC cable trenche cover upto a span of 1200mm c.c. grade M-25 with all left and lift complete having outer frame of M.S. flate 30x3mm and reinforcement consisting of 6mm dia MS round bars both way at the specing of 10cm C/C weleded with outer frame and two layers of G.I. wire 12mm hexagonl shape of 24gauge including concrete additional admixture like plasticiser both imperving compound etc. manufacturing with vibro pressing system 20% covers have lifting hooks as per design and exposed surface of M.S flates/hooks shall be painted with two coats of superior quality corrosion resistance paint, cover shall be adiquate to take a miminum live load of 2000 Kg. per sqm/minimum ultimate load of 3000 Kg. per sqm under defelction not exceeding L/25 (incl. of transportation charges)