77/EEC/BSNL/CD/BGL/2023-2024

Amount

Dismantling antistatic/PVC flooring, removing adhesive layer, washing and cleaning of entire floor surface of switch room with mild acid /soap solutions and making the floor clean including disposal of the dismantled materials to the BBMP yard complete as per direction of the Engineer in Charge

PVC floor sheet of 95.00 sqm (approximate)

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.

For thickness of tiles above 25 mm and up to 40 mm

Dismantling old/damaged sink of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in-Charge.

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

a) In cement mortar

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

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

Float glass panes of nominal thickness 5 mm (weight not less than 12.5kg/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 directions of Engineer-In-Charge.

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

Applying a slurry coat of modified styrene butadiene rubber emulsion ( NITOBOND SBR of fosroc or equivalent) in 1:1:3 proportion (1acrylic emulsion: 1water: 3 cement)on a dried area and laying cement concrete flooring when the bonding coat is still wet and tacky ( cement concrete flooring shall be paid for separately under the relavant item of agreement)

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, 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. Note :- (1) The elevational area of the scaffolding shall be measured for payment purpose.

(2) The payment will be made once only for execution of all items for such works.

Providing and fixing white vitreous china laboratory sink with C.I. brackets, C.P. brass chain with rubber plug, 40 mm C.P brass waste and 40mm C.P. brass trap with necessary C.P. brass unions complete, including painting of fittings and brackets, cutting and making good the wall wherever required :

Size 600x450x200 mm

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

20 mm nominal outer dia. Pipes.

50 mm nominal outer dia. Pipes.

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms.

a) 15 mm nominal bore

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

a) In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete kg

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

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 silicon & acrylic emulsion based water thinnable sealer of approved brand and manufacture on wet or patchy portion of plastered surfaces :

a) One coat

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.

Two 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)

Half brick masonry with non modular fly ash bricks of class designation 10, conforming to IS :12894, in super structure above plinth and upto floor V level.

a) Cement mortar 1 : 4 (1 cement : 4 coarse sand)

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 2 mm thick POLYVINYL SHEET on a smooth & damp proof base using rubber based Adhesive (@ 0.2 kg/sqm) of approved quality and manufaturer like Dunlop S-758, Fevicol SR-998 or equivalent including cleaning, levelling, drying of the base, rolling with light wooden roller weighing about 5.00 kg all complete as per specification and the directions of the Engineer-in-charge.

Core cutting in brick/CC block masonary walls using wall mounting power operated drill machine including mounting of machine on wall with nut bolts by drilling holes etc. for all lift complete as directed by engineer-in charge.

a) Holes of 75 to 100mm dia.

Applying a levelling coat of cement based putty upto 0.50mm average thickness on terrazo floor for levelling of base with trowel/scraping tool etc.light sand papering as directed by Engineer-in-charge

Polishing of Terrazo tiles flooring using polishing machine including washing with oxalicic acid wash, all complete as per the directions of Engineer -in-Charge.