Details: 15.28.1 : dismantling roofing including ridges, hips, velleys and gutters etc., and stacking the material within 50 metres lead of :g.s. sheet 11.41.1 : providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to is: 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar i:4(1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete.size of tile 500x500 mm. od98894/2023-2024 : providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by engineer-in-charge) 0.5 mm (+0.05%), total coated thickness with zinc coating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side. of the sheet and polyester top coat 15• 18 microns.sheet should have protective guard film of 25 microns mi
Sector: Forest and Environment