Name of Work:Waterproofing of the roofs of Administrative Building and Cam Centre building in IIMC campus.
Sl. No.
Item Description
1
Taking out old damaged tarfelt from the roof, parapet etc preparing the roof surfaces by removing all spoils, blisters, moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-Charge.All floors
2
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 necessaryWith 1:4 cement mortar20 mm thick plaster
3
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, ColdFlexibility < -6 deg C, Tensile Strength, N/cm : 600(longitudinal), 450 (transverse), Tearing Strength, N:300 (longitudinal), 200 (transverse)
4
Painting with superior quality aluminium paint of approved make and brand including smoothening surface by sand papering etc. Two coats
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