Minor Repairing Maintenance for the work at KhasChowmuhani HS School under Nalchar RD Block of Sepahijala District for the year 2025-26.

Dimolishing 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)

Dismantling old plaster or pointing, raking out joints, cleaning and preparing the surface for re-plastering or re-pointing including disposal of rubbish to the dumping ground with all leads and lifts etc.complete as per direction of the Engineer- in-charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering & shuttering. All work up to plinth level : 1:4:8 (1 cement : 4 fine sand : 8 graded well burnt brick aggregate 40 mm. nominal size)

12 mm cement plaster of mix In cement mortar 1 : 4 ( 1 cement : 4 fine sand )

Neat cement punning.

Dismantling GS sheet roofing including ridges, hips, valleys, gutters wind ties etc. including dismembering and stacking of serviceable materials and unserviceable materials separately with all lifts and upto a lead of 50 m etc.complete as per direction of the Engineer- in-charge.

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sqm and below.

Providing and layng cement concrete 1:2:4 (1 cement : 4 graded well brunt brick aggregate) flooring finished a floating coat of neat including cement slurry , rounding of edges and strips and cost of glass stips etc. complete.40 mm thick

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. 0.63mm thick with zinc coating not less than 275gm/m2

Applying priming coat (payment shall be made after submission of test certificate issued by the manufactured). With ready mixed red oxide zinc chroromate primer of approved brand and manufacture on steel galvanised iron steel work.

Providing ridges or hips of width 60 cm over all width plain G.S. sheet fixed with polymer coated J. or L hooks, bolts and nuts 8 mm dia. G.I. limpet and bitumen washers including a coat of approved steel primer and two coats of approved paint complete. 0.63mm thick with zinc coating not less than 275gm/m2

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, & with cleats with bolts & nuts, rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:- Using MS angels 40x40 mm for diagonal braces

Finishing walls with textured 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.

Finishing with epoxy paint ( one or more coats ) of approved brand and manufacture at all locations prepared and applied as per manufacturer's specification on old work including preparation of surface etc. as required complete as per direction of the Engineer in charge:- On steel work.

Distempering with1st quality washable acrylic distemper of approved brand and manufacture and of required shade on oldwork ( one or more coats ) to give an even shade required complete as per direction of the Engineer- in- charge.

Painting on G.S. sheet with synthetic enamel paint ( one or more coats ) of approved brand and manufacture of required colour to give an even shade on old work including preparation of surface as required complete as per direction of the Engineer in charge:-

Providing wood work in frames of false ceiling, partitions etc. sawn and put up in position : Local teak Wood

Providing and fixing muli bamboo champakampa tarja ( 75 mm wide ) ceiling, strengthening with single split bamboo battens ( both side ) at 300 mm centre to centre and tied with G.I. wire 1.0 mm complete ( over required beams or fixed with a frame of suitable type, which will be paid separately) as per specification.

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