Details: dismantling and removing mangalore roofing tiles from roofs including ridges, hips, valleys, sheets wind ties etc. but excluding battens, roof timber etc. and stacking materials within a distance of 50 mt. dismantling steelwork in single sections in channels, angles, tees and flats including dismembering and stacking within 50 mts. lead providing & fixing colour coated alluminium (puf) sandwich panel roofing systems of approved make adhering to aluminium 3105 grade for top & bottom sheet of thickness 0.40 & 0.35 respectively including puf insulation betewwn the top & bottom sheet of denslity 40 (+/-2) kg/m3 inclusive of s.s.304 grade self tapping fastneres, complete as directed by enigneer incharge (frame work for roof, roof accesorries to be paid seperately) for tile design puf roof panel, gutter width should be atleast 25% more than the crest width. minimum height at heighest point of crest should be minimum 65mm. minimum thickness at anygiven point should not be below 30mm. b)
Sector: PWD