Details: dismantling of plain or corrugated steel sheeting, any gauge, thickness, in roof covering including ridges and keeping serviceable sheets in safe custody for reuse in the work complete as directed. dismantling structural steel work including doors, gates but excluding framed truss etc. complete all as specified and directed. s & f rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates conforming to fe-410-w (gde-e-250) quality-b complete all as specified and directed. s & f rolled mild steel work as in joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) conforming to fe-410-w (gde-e-250) quality-b complete all as specified and directed. s & f pre-painted galvalume aluminum zinc coating gi based corrugated steel sheet 0.50mm thick
Sector: Defense