provision of false ceiling and re flooring in bldg no t119 and glass sun control film in main guard room , smc , chola annexe bldg at af station thanjavur , s&f aluminium snap grid false ceiling of standard aluminium section such as wall angle of size 38mmx 25mmx 2 . 4mm weighing 0 . 36 kg/rm main/cross ties of size 36 . 5mmx25mmx1 . 4mm weighing 0 . 24kg/rm grid size n exc 610x610mm suspended with 4mm dia gi wire at interwal n exc 600mm centre to centre for cross and main tees fixed to roof slab/roof truss fixed with suitable size hooks of ms and fastening bolts etc incld e board classic 4mm thick oceanic sheet of size n exc 610x610mm fixed in ceiling with clips to snap grid incl preparation of new surface and applying two coats of oil bound distemper over a coat of primer complete all as specified . , dismantling floor , hearth or wall tiling including cement mortar bedding ( but notbacking ) , removing serviceable tiles to store and rubbish off the premises , m&l for screed bed or bedding layer of mortar 15 mm thick for laying floor finishes , s&f for virified ceramic tiles 10 mm thick light shade ( square/ rectangular ) polished , area of each tiles not exceeding 0 . 36 sqm but not exceeding 0 . 42 sqm , in floors etc . set and jointed in neat cement slurry and pointed in white or coloured cement to match all as specified , supply and fixing of solar control flim 25 micron reflective type sticked to glass panes as per instructions of manufacture all as specified and director , s& f of sheet glass , ordinary quality , in squares exc 0 . 5 sq . m each pane ( 6 . 3mm ) thickness , s& f in for anodised aluminium frame for doors , windows , ventilators with one or more rebates including joining cleat for fixing etc . complete all as specified