Repair & Rehabilitation Of Distress Concrete Of Ceiling & Beams Of Different Buildings During The Year 2022-21- 1 Dismantling R.C. Floor, Roof, Beams Etc. Including Cutting Rods And Removing Rubbish As Directed Within A Lead Of 75 M. Including Stacking, Kolkata-West Bengal
TDR : 30667049
Tender Notice
BOQ
Expired
Kolkata
West Bengal
Repair & Rehabilitation Of Distress Concrete Of Ceiling & Beams Of Different Buildings During The Year 2022-21- 1 Dismantling R.C. Floor, Roof, Beams Etc. Including Cutting Rods And Removing Rubbish As Directed Within A Lead Of 75 M. Including Stacking
Name of Work: NRS Medical College & Hospital - Repair & Rehabilitation of distress concrete of ceiling & beams of different buildings during the year 2022-21.
Sl. No.
Item Description
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Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars.(a) In ground floor including roof.
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1st floor
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2nd floor
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3rd floor
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4th floor
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5th floor
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6th floor
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7th floor
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8th floor
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Cleaning the concrete surface by removing dirt and debris, marking defectivelocations and removing loose concrete by careful stripping untill hard surfaceis exposed, cutting the concrete to regular shape, wire brushing the exposedsurface and removing debris from site complete as per direction of theEngineer - in - Charge
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Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer\"s specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment]
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(a) Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturer\"s specification [Cement to be supplied by the Department]
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Cement concrete (1:1.5:3) with graded stone chips 5.6 mm size with hexagonal square mesh wire netting, I.R.C. fabric mesh or X.P. M. fitted and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement anddisturbed concrete with wire brush etc. after applying a coat of cement including the cost of wire netting I.R.C or X. P. M. & cost of all handling and scaffolding complete as per direction of Engineer-in -charge.a) 20 mm thick
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Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface](ii) With 1:4 cement mortar(c) 10 mm thick plasterGround Floor
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1st floor
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2nd floor
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3rd floor
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4th floor
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5th floor
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6th floor
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7th floor
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8th floor
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Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade acrylic primer (as per manufacturer\"s specification)including cleaning and smoothning of surface.Two Coats
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A. Exposed False-ceiling Work --(a) Supplying, fitting & fixing High Pressure steam Cured Non Asbestos fibre cement standard ceiling board (Density > 1300Kg per Cu.m. ) of size595mm X595mm conforming IS 14862 and type B, catagory III of ISO 8336, tested as per AS-1530 Part 3 and BS-476 Part 4,5,6,7 & 8, should be placed in the Grid module to form a false ceiling all complete as per drawing & direction of Engineer - in- Charge.False ceiling with(ii) 6mm thick Fibre Cement Standard ceiling board.
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Supplying, fitting and fixing of false ceiling framework with powder coated exposed G.I. grid suspension system (E-Grid T 2430/1510 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVCDash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. all complete as per drawing & directions of Engineer-in-charge.
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