E-Tender For 2Nd Call For Special Roof Treatment Of The Roof Of Block-C Within The B T Line Complex At 29/1 Bt Road, Kolkata-700002, During The Year 2024-2025, Kolkata-West Bengal
TDR : 46695149
Tender Notice
BOQ
Expired
Kolkata
West Bengal
E-Tender For 2Nd Call For Special Roof Treatment Of The Roof Of Block-C Within The B T Line Complex At 29/1 Bt Road, Kolkata-700002, During The Year 2024-2025
Name of Work: e-Tender for 2nd Call for Special roof treatment of the roof of Block-C within the B T Line Complex at 29/1 BT Road, Kolkata-700002, During the year 2024-2025
Sl. No.
Item Description
1
2nd Call for Special roof treatment of the roof of Block-C within the B T Line Complex at 29/1 BT Road, Kolkata-700002, During the year 2024-2025
2
Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.
3
Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.
4
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]
5
Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including round off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/stagingwhere necessary (Ground floor).[Excluding cost of chipping over concrete surface](iii) With 1:6 cement mortar(b) 20mm thick plaster gr floor
6
Preparation of drainage spout on roof for bituminous waterproofing treatment after required grading and shaping of the under bed with Cement Concrete (1:2:4) or Cement
7
Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mmbnominal size) excluding shuttering and reinforcement if any, in ground floorbas per relevant IS codes.
8
Cutting chase upto 125 x 150 mm. and subsequent mending of damages.(a) in brick wall [Cement-3.6 Kg/Mtr]
9
Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer\"s specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point > 150 deg C, Cold Flexibility < -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse)
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