annual plan-pro no. 439/265 thumbayil school maintenance-in olavanna gp-general civil work -- 1 474/25 thumbayil school maintenance 2 15.23.1:dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.for thickness of tiles 10 mm to 25 mm 3 11.41.2: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 1:4(1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete.size of tile 600 x 600 mm. 4 11.48.2:grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix 0.70 kg of organic coated filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg). including filling /grouting and finishing complete as per direction of engineer-in-charge.size of tile 600x600 mm