Central Coalfields Limited Tender

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.

Providing and laying vitrified floor tiles in different sizes(thickness to bespecified 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 20mm thick cement mortar1:4(1cement:4 coarse sand),jointing with grey cement slurry@3.3kg/sqm including grouting the joints with white cement and matching pigments etc., complete.Size of Tile 600x600 mm.

Providing and fixing false ceiling at all height including providing and fixing of framework made of special sections,power pressed from M.S.sheetsand galvanized with zinc coating of 120gms/sqm (both side inclusive)as per IS: 277 and consisting of angle cleats of size 25mm widex1.6mm thick with flanges of 27mm and 37mm,at 1200 mm centre to centre,one flange fixed to the ceilingwith dash fastener12.5 mm diax50mm along with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm o frequired length with nuts &bolts of required size and other end of angle hanger fixed with intermediate G.I.channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre,to which the ceiling section 0.5mm thick bottom wedge of 80mm with tapered flanges of 26mm each having lipsof 10.5mm,at 450 mm centre to centre,shall be fixed in a direction perpendicular to G.I. intermediate channe lwith connecting clips made out of 2.64mm diax 230 mm long G.I.wire at every junction,including fixing perimeter channels 0.5mm thick 27mm high having flanges of 20mm and 30mm long,the perimeter of ceiling fixed to wall/partition with the help ofrawl plugs at 450 mm centre, with 25mm long drywall screws@230mm interval,including fixing ofgypsum board to ceiling section and perimeter channel with the help of dry wall screws of size3.5x25mm at 230 mm c/c,including jointing and finishing to flush finish of tapered and square edges of the board with recommended jointing compound,jointing tapes,finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board,al las per manufacturer's specification and als oincluding the cost of making openings for light fittings,grills,diffusers,cut outs made mixed,allc omplete as per drawings,12.5 mm thick taperededge gypsum plain board conforming toIS:2095-(Part I) :2011 (Board with BIS certification marks)