Repair and maintenance of common area including external repairs and painting of buildings at New Airport Colony Mumbai FY 2022 23

Amount

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.

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

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer- in-charge.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6 (1 cement : 6 coarse sand)

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

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). 25 mm average thickness in 2 layers.

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer- in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto 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.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4 mm

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) : Flush/ Ruled pointing

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Supplying White Cement base premium quality waterproof wall care putty of approved brand and manufacturer as mentioned in list of approved make and technical specification.

Applying White Cement base premium quality waterproof wall care putty of average thickness 1 mm in layers over the plastered wall surface to prepare the surface even and smooth complete. Note: Putty will be supplied by AAI.

Supplying synthetic enamel paint of approved brand and manufacture as per list of approved make and technical specification.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade - One or more coats on all works. Note: Synthetic enamel paint will be provided by AAI.

Supplying Exterior Wall primer of approved brand and manufacture as per list of approved make and technical specification .

Applying required coats of Exteriror wall primer of approved brand and manufacture on wall surface. Note : Material will be provided by AAI.

Supplying Acrylic Smooth exterior paint with Silicone additives of approved brand and manufacture as per list of approved make and technical specification.

Wall painting with Acrylic Smooth exterior paint with Silicone additives of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. A) One coat Note: Acrylic Emulsion paint will be provided by AAI.

Wall painting with Acrylic Smooth exterior paint with Silicone additives of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. A) Two coat Note: Acrylic Emulsion paint will be provided by AAI.

Providing and applying crack sealant for joints, cracks, etc. by preparing groove and filling crack sealant of approved brand and manufacture as per list of approved make and technical specification.

Supplying 01 No. of skilled Manpower along with tools , accessories , complete to carry out work at new airport colony mumbai as per Direction of Engineer In charge.

Supplying 01 No. of unskilled Manpower along with tools , accessories , complete to carry out work at new airport colony mumbai as per Direction of Engineer In charge.

RAJKUMAR AGRWAL

M K CONSTRUCTION

Silhouette Infraprojects

patwa and co

Shreejikrupa Project Limited

Shrikrishna Construction

Maa swaroopa Construction

Om Sai Associates

OM POWER SYSTEMS

Vikash Enterprises