Name of Work: RepairtoFalse ceilingofIndoorShootingRangeofCourseWingatARTC&S, Diphu (Assam)
Sl. No.
Item Description
1
Dismantling cement asbestos ot other board ceiling or partition walls including stacking of serviceable materials and sisposal of unserviceable materials within 50 metres lead.
2
Providing & fixing false ceiling at all height including providing & fixing of framework made of special section, power pressed from M.S. sheets and galvanised with zinc coating of 120 gms/ sqm (both side inclusive) as per IS : 277 and consisting of angle cleat of size 25mm wide x 1.6mm thick with flanges of 27mm and 37mm, at 1200mm c/c, one flange fixed to the ceiling with dash fastener 12.5mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25 x10 x0.50mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I chanels 45 x15 x 0.90mm running at the spacing of 1200 mm c/c, to which the ceiling section 0.5mm thickbottom wedge of 80mm with tapered flanges of 26 mm each havinglips of 10.5mm, at 450mm c/c, shall be fixed in a directionperpendicular to G.I intermediate channel with connecting clip madeout of 2.64mm dia x 230mm long G.I wire at every junction, includingfixing perimeter channels 0.50mm thick 27mm high having flangesof 20mm and 30mm long, the perimeter of ceiling fixed to wall/partitions with the help of Rawl plugs at 450mm centre, with 25mmlong dry wall screws @ 230mm interval, including fixing of CalciumSilicate Board to ceiling section and perimeter channels with thehelp of dry wall screws of size 3.5 x25mm at 230mm c/c, includingjointing & finishing to a flush finish of tapered and square edges ofthe board with recommended jointing compounds, jointingtapes,finishing with jointing compounds in three layers covering upto 150mm on both sides of joints and two coats of primer suitablefor boards, all as per manufacture\"s specification and also including the cost of making opening for light fittings, grills, diffusers, cut outsmade with frame of perimeter channels suitably fixed, all completeas per drawings, specificaton and direction of the Engineer in charge8 mm thick Calcium Silicate Board made with Calcareous& Siliceous materials reinforced with cellulose fibermanufactured through autoclaving process
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