Repairing and Renovation of damaged infrastructure of School buildings on an immediate basis at 4 nos Schools under Satchand, Poangbari and Rupaichari RD Blocks of South Tripura District for the year 2025-26.

Demolishing cement concrete manually / by mechanical means including disposal of material with all lifts and upto 50 m lead etc. complete as per direction of the Engineer- in-charge:- Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering --All work upto plinth level: 1:3:6 (1Cement : 3 fine sand : 6 graded well burnt brick aggregate 20 mm nominal size)

Providing and laying cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded well burnt brick aggregate) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips etc. all complete as per direction of Engineer-in-charge. 40 mm thick with 20 mm well burnt brick aggregate

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sqm and underincluding cuttingthe patch in proper shape and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground with all leads and lifts including finishing even and smooth and curing complete as per direction of the Engineer in charge:- With cement mortar 1:4 ( 1 cement : 4 fine sand ).

Providing and fixing Precast chequered cement concrete tiles 18 mm thick, laid in footpath & courtyard, on 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with neat cement slurry including rubbing and cleaning etc. all complete as per direction of Engineer-in-charge. In dark shade using ordinary cement

Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead and including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to 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 etc. complete as per direction of Engineer-in-charge. 0.63mm thick with zinc coating not less than 275gm/m2

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Distempering with 1st quality washable acrylic distemper of approved brand and manufacture and of required shade on old work ( one or more coats ), to give an even shade as required complete as per direction of the Engineer in charge.

Finishing walls with acrylic smooth exterior paint of required shade of approved brand and manufacture on old work ( one or more coats ) including preparation of surface as required complete as per direction of the Engineer in charge.

Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : New work (two or more coats) including a coat of appropriate steel primer but excluding a coat of mordant solution.

Finishing with Epoxy paint ( two or more coats) of approved brand and manufacture at all locations prepared and applied as per manufacturer's specification including appropriate priming coat, preparation of surface etc. complete [Payment shall be made after submission of Test Certificate issued by the Manufacturer]. On steel work