Details: removable of ac sheet roofing without roof timbers andstocking at site for remeasurement and reuse the rate including cost and conveyance of all materials and labour charges etc., complete complying with standard specifications. supplying and fixing of mild steel hallow sections of square and rectangular and the rate including the cost of materials,trasporting charges ,labour charges for welding and fixing charges and all other incidential charges to work site etc., complete complying with standard specification. supply and fixing of puf roof panels made up of minimum 0.5mm thick ppgi corrugated sheet at the top and a plain sheet at the bottom with a layer of rigid cfc free polyurethane foam (puf) of density 40kg + 2 kg/ as insulation in between .the polyurethane foam shall confirm to latest is 12436. the minimum thickness of pu foam layer shall be 29mm for having 30mm (min) thick puf panel. the ppgi sheets shall be of minimum 240 mpa steel grade & shall have a zinc coating of minimum
Sector: RDPR