Roofing of Trauma Ramp i/c false ceiling and painting of wall , OPD Portico roofing, and Providing steel frame partition and gate for RO Plant, RIMS, Imphal

Amount

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

G.S. Sheet

Steel work in built up tubular (round, square or rectangular tubes etc.) trusses etc., including cutting, hoisting fixing in position and applying a priming coat of approved steel primer, including welding and bolted including special shaped washers etc. complete.

Electric resistance or induction butt welded tubes.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal,complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required with

Precoated galvanised iron profile sheets 0.50 mm thick

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills,staircases and spiral stair cases above plinth level upto floor five level, excluding the cost of centering,shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

1:2:4 ( 1 Cement: 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and fixing at all height false ceiling including providing and fixing of frame work made of special sections, power pressed from M.S. sheet and galvanised with zinc coating of 120 gms/ sqm (both sided inclusive) as per IS : 277 and consisting of angle cleats of size 25mm wide x 1.6mm thick with flanges of 27mm and 37mm, at 1200mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5mm diax50mm long with 6mm dia bolts,other flange of cleat fixed to the angle hangers of 25x25x0.55mm of required length with nuts and bolts of required size and the other end of the angle hanger fixed with intermediate G.I. channels 45x15x0.9mm running at the spacing of 1200mm centre to centre, to which the ceiling section 0.5mm thick bottom wedge of 80mm with tapered flanges of 26mm each having clips of 10.5mm at 450mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64mm diax230mm 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 of rawl plugs at 450mm centre, with 25mm long drive-all screws @ 230mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall

screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishng to a flush finish of tapered and square edges of the board with recommended jointing compound,jointing tapes, finishing with jointing compund 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, and specification and direction of the Engineer in Charge but excluding the cost of painting with :

12.5 mm thick tapered edge gypsum fire resistant board conforming to IS: 2095- Part I,

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

One or more coats on old work

12 mm thick pre-laminated particle board (decorative lamination on both sides) grade -1, medium density flat pressed, three layer particle board FPT- I or graded wood particle board FPT- I, conforming to IS : 3087, bonded with BWP type synthetic resin adhesive as per IS : 848 and pre-laminated conforming to IS : 12823, Grade 1, Type - II marked :

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

Internal work - Exposed on wall

32 mm nominal outer dia Pipes

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Y.DEVENDRO SINGH (BID ID -3210679)

L. Gogon Singh (BID ID -3210668)