002/BSNL/CD/CBE/22-23Urgent repworksDTAX

Amount

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.

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

Asbestos cement sheet

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.

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) : 4 graded stone aggregate 20 mm nominal size)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Hot finished welded type tubes.

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 Engineerin- 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.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work.

White washing with lime to give an even shade :

Old work (two or more coats) .

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade :

Old work (one or more coats)

Finishing walls with water proofing cement paint of required shade :

Old work (one or more coats applied @ 2.20 kg/10 sqm) over priming coat of primer applied @ 0.80 litrs/10 sqm complete including cost of Priming coat.

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 directions of Engineer-In-Charge.

With cement mortar 1:4 (1 cement : 4 fine sand).

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding.

Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Taking out existing wooden door shutter, repair by cutting, painting etc. and refixing of repaired door shutters to existing door frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.

Refixing the AC sheet 6mm thick corrugated sheet roofing up to any pitch and fixing with J,or L hooks,bolts and nuts 8mm dia.plain and bitumen washers or with self drilling fastener and EPDM washers etc. complete (excluding the cost of purlins ,rafters and trusses)

Supplying and fixing M.S Wedge Anchor bolt fastners of suitable size including drilling holes of suitable size and fixing etc. complete all as directed by the Engineer-in-chrage.

a) Size 6mm x 50mm

Repolishing on Terrazo tile / Marble chips flooring work where ever required including rubbing and polishing using wax to give smooth finish etc. complete as directed by the Engineer-in-charge.

Removing of ranked vegetation / sapling/ plants, on building structures / terrace/ parapet junction etc, including applying dilute hydrochloric acid on the root area and disposing off rubbish etc. complete all as directed by the Engineer-in-charge.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Repairing the RCC Sunshades by following operations i) Chipping of unsound/weak concrete material carefully in patches etc. with manual chiselling to a thickness of 25-50 mm. ii)Cleaning the Old reinforcement with approved Rust remover. iii)Applying SBR bonding coat to the chipped off concrete surfaces. iv)Repairing the concrete surface by applying the Polymer modified cement mortar with CM 1:3 / cement concrete 1:1.5:3 with SBR latex for all thicknesses from 25mm to 50mm. v) Finishing with 6 mm cement plaster with CM 1:3, etc. complete all as directed by the Engineer-in-charge. ( Cost of additional reinforcements and scaffolding will be paid seperately )

RCC Sunshades of size upto 1.00 m x 0.60 m

RCC Sunshades of size upto 3.00 m x 0.60 m

DURGA CONSTRUCTIONS