Urgent repairs and renovation works at Government Girls Middle School, Muthialpet, Puducherry.

Amount

Reinforced cement concrete work in beams, suspended floors , roofs having slope up to 15degree landings , balconies , shelves , chajjas , lintels , bands , plain window sills , staircases and spiral stair cases upto floor five level excluding the cost of centering ,shuttering, finishing and reinforcement , with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

Centering and shuttering including strutting , propping etc and removal of form for - Suspended floors , roofs , landings , balconies and access platform

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete above plinth level - Thermo - Mechanically Treated bars (ISI BRAND OF APPROVED MAKE) Fe - 415 or more.

Brick work with common burnt clay F.P.S (non modular ) bricks of class designation 3.5 in superstructure above plinth level upto floor five level in all shapes and sizes in - cement mortar 1:6 ( 1 cement : 6 coarse sand)

Providing and fixing panelled or panelled and glazed shutters for doors, windows, and clerestory windows, including ISI marked M.S.pressed butt hinges bright finished of required size with necessary screws, excluding panelling which will be paid for separately , all complete - Vengai wood - 30 mm thick shutters

Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors , windows and clerestory windows (area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick - Vengai wood

Providing and fixing M.S.grills of required pattern in frames of windows etc with M.S. flats , square or round bars etc. including priming coat with approved steel primer all complete - Fixed to steel windows by welding

Steel work welded in built up sections / framed work , including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required – in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works.

Providing and laying fully vitrified floor tiles of size 600 x600 mm (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622 of approved make (Nitco / Rak / Johnson /Asian ) in all colours and shades , laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) , including grouting the joints with white cement and matching pigments etc., complete - size of tile 600 x600 mm.

Deduct for not using 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) bedding in laying of floor tiles.

Fixing glazed /ceramic / Vitrified floor tiles with cement based high polymer modified quick - set tile adhesive (water based) conforming to IS:15477, in average 3 mm thickness - ( Using 5 kg adhesive per sqm of tile area).

Grouting the joints of flooring tiles having joints of 3mm width,using epoxy grout mix of 0.70kg of organic coated filler of desired shade (0.10kg of hardener and 0.20 kg of resin per kg) , including filling / grouting and finishing complete - size of tile 600x600 mm.

Deduct for not grouting the joints with white cement and matching pigment in the items of fixing of vitrified tiles.

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 25mm wide x1.6mm thick with flanges of 27mm and 37mm , at 1200 mm cenetre to centre, one flange fixed to the ceiling with dash fastener 12.5mm dia x50mm long with 6mm dia bolts ,other flange of cleat fixed to the angle hangers of 25x10x0.50mm of required length with nuts and bolts of required size and other end of angle hanger fixed with intermediate G.I channels 45x15x0.9mm running at the spacing of 1200 mm centre to centre , to which the ceiling section 0.5mm thick bottom wedge of 80mm with tapered flanges of 26 mm each having clips of 10.5mm, at 450mm centre to centre ,shall be fixed in a direction perpenticular to G.I.intermediate channel with connecting clips made out of 2.64mm dia x 230mm long G.I. wire at every junction, including fixing perimeter channels 0.5mm thick 27mm high having flanges of 20mm and 30mm long, the perimetre of ceiling fixed to wall/partition with the help of rawl plugs at 450mm centre , with 25mm 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 3.5 x25mm at 230mm 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 150mm 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 perimetre channels suitably fixed , all complte as per drawings, specifications . But excluding the cost of painting with - 12.5mm thick tapered edge gypsum plain board conforming to IS: 2095 -part-I.

Finishing with deluxe multi surface paint system for interiors and exteriors using primer as per manufacture's specification - Two or more coats applied on walls @ 1.25 ltr / 10 sqm over and including one coat of special primer applied @ 0.75 ltr / 10 sqm.

Painting with synthetic enamel paint of approved brand and manufacutre to give an even shade – Two or more coats on new work.

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

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq.metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 metres lead – with cement mortar 1:4 (1 cement : 4fine sand)

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.

Hacking of CC flooring including cleaning for surface etc. complete.

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI: 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 - Circular Tank.

Providing , mixing and applying SBR polymer (of approved make ) modified Cement mortar in proportion of 1:4 (1 cement : 4 graded coarse sand with polymer minimum 2% by wt.of cement used) as per specifications . Note: Measurement and Payment : The Pre-meaurement of thickness shall be done just after the surface preparation is completed and payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and / or the 75mm size cube crusing strength at the end of 28 days to be not less than 30 N / Sqmm) - 12mm average thickness

Providing two legged scaffolding on the exterior side, upto three storey height using best quality casuarina posts of size 8 to 10cm dia and the spacing of posts being 1m in vertical, 1.5m in horizontal including longitudinal and transverse middle bracers to support the country wood planks of 40mm thick platform to the required width using coir and nails. The scaffolding not to be dismantled till all the finishing works are completed. The cost includes all materials lead, lift etc. complete as directed by the Engineer-in-charge. The elevation area of the scaffolding shall be measured for the purpose of payment. The payment will be made once irrespective of duration of scaffolding.

Providing and fixing welded steel windows of standard rolled steel sections, joints mitred and welded with 15x3mm lugs, 10cm long with steel lugs embedded in cement concrete blocks 15x10x10cm of 1:3:6 (one cement, 3 coarse sand, 6 graded stone aggregate 20mm nominal size) or wooden plugs and screws or with fixing clips or with fixing bolts and nuts as required, including fixing and welding of M.S. sheet of 1.20mm thick with M.S flat beading welded around the panels, welding of hinges, handles, tower bolts, hooks & eyes including the cost of applying a priming coat with ready mixed red oxide Zinc chromate primer of approved brand and manufacture etc., complete - Windows side hung/top hung.

Providing and fixing of precoated galvanised iron profile sheets (size, shape and pitch of corrugation as 0.50mm (+0.05%) total coated thickness (TCT) with zinc coating 120 grams per sqm as per IS-277, in 240 MPA steel grade, 5.7 microns epoxy primer on both sides of the sheet and polyster top coat 15.1B microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12 metres as desired. The sheet shall be fixed using self drilling / self tapping screws of size (5.5x55mm) with EPDM seal or with polymer coated J or L hooks, botls and nuts 8mm diameter with bitumen and G.I limpet washers or with G.I limpet washers filled with white lead complete upto any pitch in horizonatal / vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shapes wherever required.

Removing the existing colour wash by using scrapping machine wire brush and other proper tools upto floor five level to ensure the surface free from loose particles, deposits, dust etc., complete as directed by the Engineer in charge.

R RAJKUMAR

D. PRITHIVIRAJ

vishnuvarthan

BOOBALAN M

BALASUBRAMANIAN M

B Akbar