Major Repair at Middle School Bardhan

Repairs to plaster of thickness 12mm to 20 mm in patches of area 2.5 sq. meters 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 meters lead With cement mortar 1:4 (1 cement : 4 fine sand)

Regrading terracing of mud phaska covered with tiles or bricks, in cement by dismantling tiles or bricks, removing mud plaster, preparing the surface of mud phaska to proper slope, relaying mud plaster gobri leaping and tiles or bricks, grouted in cement mortar 1:3 (1 cement: 3 fine sand), including replacing unserviceable tiles or bricks with new ones anddisposal of unserviceable material to the dumping ground (the cost of the new tiles or brick excluded) within 50 meters lead.

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement: 3 fine sand) as per standard design. In 75x75 mm deep chase.

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement: 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete.

Providing and fixing on wall face un-plasticized Rigid PVC rain water pipes conforming to IS: 13592 Type A including jointing with seal ring conforming to IS: 5382 leaving 10 mm gap for thermal expansion. (i) Single socketed pipes, 110 mm diametre

Providing and fixing on wall face un-plasticized - PVC moulded fittings/accessories for un plasticized Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion. Bend 87.5° 110 mm bend

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

15mm Cement plaster on the rough side of single or half brick wall of mix: 1 : 6 ( 1 cement : 6 fine sand) with all leads and lifts carriage complete.

Demolishing R.C.C. work manually/by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge.

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 upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) with all leads and lifts carriage complete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form for:

Lintel, beams, plinth beams, girders, bressumers and cantilevers.

6 mm cement plaster to ceiling of mix 1 : 3 (1 cement : 3 fine sand) with all leads and lifts carriage complete.

12mm Cement plaster of mix: 1 : 6 ( 1 cement : 6 fine sand) with all leads and lifts carriage complete.

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

Demolishing cement concrete manually/by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-in charge: 1:3:6 or richer mix (i/c equivalent design mix)

Cement concrete flooring 1:2:4 (1cement: 2 coarse sand: 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry and curing complete, but excluding the cost of nosing of steps etc.complete. 40mm thick with 20 mm nominal size stone aggregate. with all leads and lifts carriage complete.

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

Distempering with 1st quality Acrylic/oil bound washable distemper (ready-made) having VOC content less than 50 grams/litre of approved manufacturer and of required shade and colour complete as per manufacturers’ specifications, one or more coats on old work

Distempering with 1st quality acrylic distemper (ready mixed)having VOC content less than 50 gms/litre,two or more coats on new work of approved manufacturer, of required shade and colour complete as per manufacturer’s specifications

Finishing walls with water proofing cement paint of required shade on New work (two or more coats applied @ 3.84 kg/10sqm)

Finishing walls with water proofing cement paint of required shade: Old work (one or more coats applied @ 2.20 kg/10sqm) complete

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

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth and curing complete

Engaging of welder for repair of door and windowa including welding machine and other works at site as directed by engineer-in-charge.

Engaging of Helper for various works at site as directed by engineer-in-charge.

Lettering with black Japan paint of approved brand and manufacture.

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