Attending urgent maintenance works in Government Primary School located in Town and Kalapet areas during year 2022-23

Amount

Supplying chemical emulsion in sealed containers including delivery as specified - Chlorpyriphos / lindane emulsifiable concentrate of 20%

Diluting and injecting chemical emulsion for POST - CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion) - along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc. - with chlorpyriphosl lindane E.C.20% with 1% concentration.

Diluting and injecting chemical emulsion for POST - CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion) - treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300mm apart including drilling 12mm diametre holes and plugging with cement mortar 1:2 (1 cement : 2 coarse sand) to match the existing floor - with Chlorpyriphos / lindane E.C. 20% with 1% concentration –

Providing and fixing 1mm thick M.S.sheet sliding - shutters , with frame and diagonal braces of 40x40x6 mm angle iron , 3mm M.S.gusset plates at the junction and corners, 25 mm dia pulley, 40 x 40x6mm angle and T -iron guide at the top and bottom respectively , including applying a priming coat of approved steel primer

Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer) , of approved make (Jhonson / Asian / Somany / Nitco) in all colours, shades of size 300 x 450 mm as approved in skirting , risers of steps and dados, over 12mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand ) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement with pigment of matching shade complete – size 300x450 mm.

Providing and laying ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make (Nitco / Kajaria) in colours such as white, Ivory, Grey, Fume red brown ,laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including pointing the joints with white cement and matching pigment etc., complete

Providing and laying pressed clay tiles (as per approved pattern 18mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand) mixed with 2% integral water proofing compound , laid over a bed of 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete

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.

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).

Raking out joints in lime or cement mortar and preparing the surface for repointing or replastering , including disposal of rubbish to the dumping ground within 50 metres lead.

Flush pointing with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement for flat tile bricks on top of mud phaska - with F.P.S. brick tiles.

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.

Painting (one or more coats) with black japan paint of approved brand and manufactureing to give an even shade.

Providing & fixing white vitreous china water closet squatting pan (Indian type) along with "S" or "P" trap including dismantling of old WC seat and "S" or "P" trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba , all complete - Orissa pattern W.C.Pan of size 580x440 mm.

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.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead - for thickness of tiles 10mm to 25mm.

Providing and fixing ASTM pipes including all ASTM plain& brass threaded fittings i/c fixing the pipe with clamps at 1.00m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and testing of joints complete (Internal work exposed on wall ) - 20mm nominal outer dia pipes.

Providing and fixing PTMT bib cock of approved quality and colour - 15mm nominal bore,165 mm long, weighing not less than 110gms

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.

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.

Ramakrishnan V

G. ANANDARAMAN