External painting and misc. repair work of Advanced Metrology Building at NPL Campus

Amount

Repairs to plaster of thickness 12 mm 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, all complete as per direction of Engineer-in-Charge. With cement mortar 1:4 (1cement: 4 coarse sand)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:1.5:3 (1 cement : 1.5 coarse sand (zone-Ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Finishing walls with textured exterior paint of required shade: Old work (Two or more coats on existing cement paint surface applied @ 3.28 Itr/10 sqm.

Applying exterior wall primer under exterior texture paint (one coat applied @1 ltr./10 sqm) Make will be same as the make of the exterior texture paints.

Providing and fixing 160mm (O.D) 6 Kg/ cm2 unplasticized rigid PVC pipe (single socketed pipe for solvent jointing), ISI marked, confirming to IS 4985 : 2000 under ground (tenching & refilling be paid extra) or above ground level, including solvent for jointing excluding cost of clamps if required.

Providing and fixing moulded unplasticized PVC pressure fitting, ISI marked as per IS : 7834, including jointing solvent jointing-Bend/elbow, 160mm, 6 kg/cm2.

Cutting holes up to 30x30 cm in walls including making good the same: With common burnt clay F.P.S. (non modular) bricks

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.

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

Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth 1:2:4 (1 cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 150 mm dia. R.C.C. pipe

Providing & fixing pre-polished, double layer, designer, precast cement concrete chequerred tiles, 300x300 Minimum thickness 25mm PVC/rubber moulded and strong vibrate compaction in required design & colour like silver grey/ red/ yellow, laid on 20mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand) including filling joints with neat cement slurry of matching colour (Approved make NITCO / NTC / ULTRA). The tiles should have a permanent (non fadable) natural shine. The tile shall meet all specifications of IS 1237:1980.

Providing and laying 60 mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

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

IRFAN AHMAD

PREM NATH CONSTRUCTION CO

SHREE BALAJI CONSTRUCTIONS