Kerala State Housing Board Tender

Acoustics

od131408/2023_2024 : Providing and fixing panel cladding upto ceiling height consisting of G.I. frame and required board,<br>including providing and fixing of frame work made of special section power pressed/ roll form G.I. sheet<br>with zinc coating of 120 gms/ sqm(both side inclusive), consisting of floor and ceiling channel 50mm wide<br>having equal flanges of 32 mm and 0.50 mm thick, fixed to the floor and ceiling at the spacing of 610 mm<br>centre to centre with dash fastener of 12.5 mm dia meter 50 mm length or suitable anchor fastener or<br>metal screws with nylon plugs and the studs 48 mm wide having one flange of 34 mm and other flange<br>36 mm and 0.50 mm thick fixed vertically within flanges of floor and ceiling channel and placed at a<br>spacing of 610 mm centre to centre by 6 mm dia bolts and nuts, including fixing of studs along both ends<br>of partition fixed flush to wall with<br>suitable anchor fastener or meta l screws with nylon plugs at spacing of 450 mm centre to centre, and<br>fixing of boards to both side of frame work by 25 mm long dry wall screws on studs, floor and ceiling<br>channels at the spacing of 300 mm centre to centre. The boards are to be fixed to the frame work with<br>joints staggered to avoid through cracks, M.S. fixing channel of 99 mm width (0.9 mm thick having two<br>flanges of 9.5 mm each) to be provided at the horizontal joints of two boards, fixed to the studs using<br>metal to metal flat head screws, including jointing and finishing to a flush finish with recommended<br>jointing compound, jointing tape, angle beads at corners (25 mm x 25 mm x 0.5 mm), joint finisher and<br>two coats of primer suitable for board as per manufacture's specification and direction of engineer in<br>charge all complete. Contractor to make provision for fixing all electrical, networking boxes, HVAC grills<br>etc. formed in the partition framework at required heights/levels as directed.50mm thick Rock wool<br>insulation having a density of 48Kg/m3 shall be provided within this GI framework . The rate shall<br>includes cost and conveyance of all materials,wrapping,labour charges,lead,lift ,etc complete as directed<br>by Engineer in Charge. This framework shall be provided with Fully Perforated Gypsum Plaster Board of<br>size 1200 x 2400x12.5 mm conforming to IS 2095 Part 1, having approx. 15 % perforated area with<br>perforation size and pattern as approved by the Engineer-in charge, and as per manufacturer's<br>specification, with all 4 side tapered and backed by acoustical tissue with NRC value not less than 0.60

15.13.1 : Taking out doors, windows and clerestory window shutters (steel or wood ) including stacking within 50 metres lead:Of area 3 sq. metes and below