10/NIT/BSNL/CD/HBL/2025-26

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 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.

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 specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

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

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)

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

Foundations, footings, bases of columns, etc. for mass concrete

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

Columns, Pillars, Piers, Abutments, Posts and Struts

Dismembering and reerection of tilted/twisted 20 m top most portion of 40 Mtr communication tower including gantry, ladder, wave guide, bracings and other parts of tower including checking and tightening of all nuts and bolts, anchor bolts of tower thoroughly with torque wrench to required value and making tower truely vertical, necessary checking of verticality using theodolite/plumb etc., insurance and safety measures of labour etc. all complete as directed by the E.I.C.

(Note 1: Necessary safety measures shall be adopted while carrying out tower work to ensure the safety of men and materials and adjacent properties).

Note 2 : The rate includes all labour and equipments required to carry out above work including insurance of labour, safety measures like helmet, ropes, safety belts etc. and checking verticality of tower. Nothing extra will be paid on any account. New Nuts and bolts, missing member etc. required will be paid seperately.)

Filling cracks in walls with crack filler ready paste/plasticizer of Dr. fixit/Fosroc or equivalent including racking the crack and filling to level with wall surface all complete as directed by engineer in charge. ( Work to be carried at all heights)

Special repairs to damaged RCC members such as slabs, columns, beams, stairs, chajjas etc. using specialised repair products of polymer/epoxy base of Dr. Fixit/Fosroc/ Krishna Conchem/Sika or equivalent.The following steps shall be followed. (1) Applying Alkaline rust converting primer. To remove the corrosion from steel. (2) Applying Anticorrosive protective coating to avoid further corrosion and thus protecting the steel. (3) Treating with Epoxy latex system compound for bonding the old and new mortars. (4) Finishing/ filling with poilymer modified repair mortar/microconcrete compound as per requirement . Note:1) rate includes the cost of removing/ dismantling loose mortar/plaster/concrete before applyng the repair products.

6 mm cement plaster of mix :

1:3 (1 cement: 3 fine sand)

Supplying Stacking and filling at site:

Moorum

Supplying at site GI bolts including nuts and washers of required galvanising complete as approved by engineer incharge.

Providing anti rust treatment to the corroded exposed anchor bolts and nuts for TWO tower foundations, including the cost of 1) Applying Alkaline rust converting primer to remove the corrosion from steel. (2) Applying Anticorrosive protective coating to avoid further corrosion 3) Painting with Synthetic enamel paint of approved quality and shade, all as directed by the engineer in charge. (Note: Work is required to be carried out at Two tower sites Viz. Srinivas Saradagi and Nandur- in Gulbarga Dist.) separated by a distance of around 65 Kms.