tender for annual plan-249/25-26-tile paving in f h c lab-general civil work - 1 tile work in fhc 2 15.23.2:dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.for thickness of tiles above 25 mm and up to 40 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.