002/BSNL/CD/CBE/25-26

Amount

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 (i/c equivalent design mix)

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

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.

Credit for unserviceable steel reinforcement bars/ MS Anchor bolts recovered from the demolished RCC foundation all complete as directed by the Engineer-in-charge.

Demolishing R.C.C. work by mechanical means using heavy duty demolition hammer / tractor compressor breaker without damaging nearby strutures including stacking of steel bars and shifting and dumping of unserviceable material from Terrace to Ground for the disposal as per direction of Engineer - in- charge. (Necessary safety measures shall be adopted while demolishing the tower RCC base structures to ensure the safety of men and materials and adjacent properties. Cost of disposal of rubbish, debrises at approved municipal dumping ground will be paid seperately)

Dismantling of existing 24 metre roof top tower including marking, dismembering of tower materials carefully and cautiously without damage to the members and near by structures and stacking the members neatly at ground level as directed by the Engineer-in-charge (a) For Tower weighing upto 5500 Kg. Note 1. Necessary safety measures shall be adopted while dismantling the tower to ensure the safety of men and materials and adjacent properties.

Note 2. The safe custody of tower materials will be the responsibility of the agency from the time of dismantling of tower to till the handing over of tower materials to concerned authorities.

Conveyance of tower materials from Gokulam Colony, Coimbatore to Ganapathy TE Compound Store yard including descending the tower materials from the second floor to ground, loading and unloading charges etc., all as directed by the Engineer-in-charge.

For tower weighing upto 5500 Kgs.

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for :

Suspended floors, roofs, landings, balconies and access platform

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

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

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

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Welding by gas or electric plant including transportation of plant at site etc. complete.

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Finishing walls with Acrylic Smooth exterior paint of required shade :

Old work (One or more coat applied @ 0.90 ltr/10 sqm).

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-harge.

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

Supplying Galvanised structural steel tower members of approved brand and manufacture.

Supplying and fixing GI bolts and nuts of varying dia with washer conforming to BIS specification with average mass of zinc coating of 610 gm/sqm for tower works.

Supplying of EN8 grade 'C' anchor bolts of size upto 28mm dia of required length of 750mm, threaded at top upto 200mm length and welded with 50x50x8mm MS plate at 50mm above from bottom with suitable hexagonal nuts 3 nos and washers on each bolt EN8 grade 'C' quality etc.,complete all as directed by the Engineer-in-charge.

Supplying and fixing templates with available EN8 grade 'C' anchor bolts of size upto 32mm dia and of of suitable length in position with hexagonal nuts 2 nos and washers including orienting and aligning the template as per requirement etc., all complete as directed by the Engineer-in-charge.

Painting with LOXOL High Gloss synthetic enamel paint or equivalent in one or more coats over a base coat of etching primer (Bison Wash primer or equivalent) and a coat of approved zinc chromate primer, wherever necessary.

Erection of tower upto a height of 40m including lifting upto required levels with necessary tools and plants required all as directed by the Enginner-in-charge.

Making 22mm dia Hole, Cleaning,Injecting FOSROC Lockfix S base and Lockfix S Filler (Polyester Resin Grouts) and fixing 16mm Rebar including men and mechinary.(Cost of FOSROC Lockfix S base and Lockfix S Filler and rebar will be paid separately).

Supplying FOSROC Lockfix S base and Lockfix S Filler (Polyester Resin Grouts) chemical foil and container at site .

Galvanising the structural steel tower members conforming to BIS specification with average mass of zinc coating of 610 gm/sqm for tower works as directed by the Engineer -in-charge. (Cost of Steel members will be paid for seperately.)

Conveyance of tower materials from Ganapathy TE Compound Store yard to Gokulam colony, P.N.Pudur including aescending the tower materials from Ground floor to Second floor, loading and unloading charges etc., all as directed by the Engineer-in-charge. (a) For tower weighing upto 3000 Kgs.

K SUDHAKAR (BID ID -856549)