Details: 300 mm dia piles mild steel and medium tensile steel bars. cement concrete grade m-20 (nominal mix) with 20 mm maximum size of stone aggregate. "foundations, footings, bases of columns, etc. for mass concrete." moorum/hard copra "in gratings, frames, guard bar, ladder, railings, brackets, gatesand similar works." "supply & installation of precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by kota stone 25mm thick flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with
Sector: Urban Authority