Installation Of Sound Proofing Room At Nic In Nbwap

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Installation Of Sound Proofing Room At Nic In Nbwap , ( p . w . d/ page no . 167/item no . 21 ) buildings supplying fitting & fixing concealed false ceiling framework with g . i . section ( perimeter channels having one flange of 20 mm . and another flange of 30 mm . with thickness of 0 . 55 mm . and web of length 27 mm . , along the perimeter of theceiling , screws fixed to the wall with help of nylon sleeves or pvc dash fastners@ 610 mm c/c . then suspend g . i . intermidiate c section with web 90 mm . andflanges of 15 mm . each from soffit @ 1200 mm c/c with ceiling angle of size 25mm . x 10 mm . x 0 . 55 mm . fixed to soffit g . i . cleat and steel expansion fasteners . ceiling section of 0 . 55 mm . thickness having web of 51 . 5 mm . and two flanges of26 mm . each with lips of 10 . 55 mm . , are then fixed on to the intermediate channelwith the help of connecting clips in the direction perpendicular to the intermidiatechannel @ 610 mm c/c ) with fully threaded fiber cement screws @ 300 mm c/c . all complete as per the drawing and direction of engineer-in-charge . section specification :- perimeter channel :- 30 mm x 20 mm x 27 mm , thickness 0 . 55 mm ( min ) , intermidiate channel :- 15 mm x 90 mm , thickness 0 . 90 mm ( min ) , ceiling section :- 51 . 5 mm x 26 mm x 10 . 55 mm , thickness 0 . 55 mm ( min ) , ceiling angle :- 25 mm x 10 mm , thickness 0 . 55 mm ( min ) . , ( p . w . d/ page no . 171/item no . 23 ( b ) ( f ) ) buildings supplying , fitting & fixing eco-friendly , moisture resistance and incombustable gypsum plaster board ( density > 700kg per cu . m . ) confirming to is 2095- part 1 , 2011 of approved design and brand finished with gypsum jointing compound to form a joint less false ceiling all complete as per drawing & direction of engineer - in- charge . false ceiling with ( ii ) 12 . 5mm thick tapered edged gypsum plaster board , ( p . w . d/ page no . 135/item no . 1 ( b ) ( ii ) ) buildings ( b ) dressed wood work in post , plate , battens . etc . fitted & fixed complete ( excluding the cost of bolts only , but including the cost of nails , screws etc . ) ( the quantum should be corrected upto three decimals ) ( ii ) sal : local . . , ( p . w . d/ page no . 137/item no . 8 ( i ) ( b ) ) buildings rough dressed timber planks fitted and fixed with nut bolts excluding framework complete : in ground floor ( i ) 25mm thick planks ( b ) sal local , ( p . w . d/ page no . 171 /item no . 23 ( b ) ( d ) ) buildings partition wall or wall panelling with acoustic board or sound absorbing board , 15 mm thick fixing with alliminium framing , chicken mesh , glass wool with all complete as per instruction of eic , ( p . w . d/ page no . 171 /item no . 23 ( b ) ( d ) ) buildings supplying , fitting and fixing boiling water resistant ply conforming to is: 303- 1989 bonded with phenol formaldehyde synthetic resin of approved make and brand fitted and fixed as per design as per approval and direction of engineer-incharge . [excluding the cost of supporting frame work and teak wood batten/lipping] in ground floor ( vi ) 19mm , ( p . w . d/ page no . 200 /item no . 1 ( b ) ) buildings priming one coat on timber surface with synthetic oil bound primer of approved quality including smoothening surface by sand papering etc . , ( p . w . d/ page no . 200 /item no . 2 ( a ) ( a ) ( iv ) ) buildings painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc . including using of approved putty etc on the surface if necessary: ( a ) on timber ( ii ) two coats