GENERAL Muzhappilangad School Renovation of Auditorium-General Civil Work

Auditorium

12.52.4:Providing and fixing tiled false ceiling of approved materials of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanized steel sections (galvanized @ 120 grams per sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x 1.6 mm fixed to ceiling with 12.5mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanised butterfly level clips of size 85x 30x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer -in-charge.12.5 mm thick fully Perforated Gypsum Board tile made from plaster board having glass fibre conforming to IS: 2095 Part I, of size 595x595 mm, having perforation of 9.7x9.7 mm at 19.4 mm c/c with centre borders of 48 mm and the side borders of 30 mm, backed with non woven tissue on the back side , having as NRC ( Noise Reduction Co efficient) of 0.79, with 50 mm resin bonded glass wool backing.

12.35:Providing and fixing thermal insulation with Resin Bonded Fibre glass wool conforming to IS : 8183, density 16 kg/ m3, 50 mm thcik, wrapped in 200 G Virgin Polythene bags placed over existing false ceiling and held in position by crisscrossing GI wire.

12.45.1:Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/ sqm (both side inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37 mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50 mm long with 6 mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required 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 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25 mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5x25 mm at 230 mm c/c, including jointing and finishing to a 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, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with:12.5 mm thick tapered edge gypsum plain board conforming to IS : 2095-Part 1 :2011 (Board with BIS certification marks)

13.80:Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

13.60.1:Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:Two or more coats on new work

OD148309/2025-2026:Providing and fixing panelling as per approved drawing. Framework finished with 19 mm thick plywood ( ISI 710 Grade BWP, prestige /Equivalent), i.e. 50 mm sections to be fixed at 600 mm, c-c spacing. The exposed side of the frame is to be fixed with 12mm plywood (ISI 710 grade , prestige /Equivalent). Finish the panelling with a 4mm thick veneer fixed onto the plywood using a suitable adhesive. Finish the panelling with necessary grooves, and electrical / window openings if any. Including cost and conveyance charges of all materials, labour charges etc

50.10.2:Steel work for purlin/single section with G I pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

OD148077/2025-2026:Providing and fixing chequerred board for platform fixed to frame with screws(Frame paid separately) asper the direction of site engineer

OD148095/2025-2026:Providing and laying Ribbed carpet of any shade over stage in classroom

OD148325/2025-2026:Providing and fixing 12 mm thick marine plywood conforming IS: 710, to frame, backing or studding with screws etc. complete ( Frames, backing or studding to be paid separately) as per the direction of site Engineer-in-charge.

OD148333/2025-2026:Providing and fixing 18 mm thick marine plywood conforming IS: 710, to frame, backing or studding with screws etc. complete ( Frames, backing or studding to be paid separately) as per the direction of site Engineer-in-charge.

OD148348/2025-2026:Providing glass panes, wherever necessary :Float glass panes of thickness 4 mm (weight not less than 10kg/sqm)

OD148326/2025-2026:Providing and fixing 4mm thick veneer into existing plywood using adhesive complete as per the direction of Eng. including all cost of accessories labour charges etc as per the direction of eng

13.114:Melamine polishing on wood work (one or more coat).

9.81.1:Providing and fixing bright finished brass handles with screws etc. complete:125 mm

9.90.1:Providing and fixing special quality chromium plated brass cupboard locks with six levers of approved quality including necessary screws etc. complete.Size 40 mm

OD148347/2025-2026:Providing and fixing ISI marked oxidised M.S. Cabinet Hinges | Steel Slip-on Soft Closing Concealed hinges with necessary screws etc. complete. (Copper oxidized as per IS 1378).

9.115:providing and fixing powder coated telescopic drawer channels 300 mm long with necessary screws etc. complete as per directions of Engineer -in-charge.

13.83.1:Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile including applying additional coats wherever required to achieve even shade and colour.One coat

13.61.1:Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

OD148396/2025-2026:Supplying and fixing good quality Blinds Curtain including cost, fitting charges etc. complete