The Sub-base concrete (lean concrete/ PCC) to be rendered smooth with Cement: Sand Mortar (1:3) while it is still green by the main contractor itself.
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Cutting grooves on the parapet walls at 300 mm above the horizontal surface to terminate the waterproofing treatment. Final cleaning of RCC terrace by means of wire brush to make it free from all loose particles, dust, laitance, etc.
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Cutting groove at a height of 200 mm from projected soil layerall along the parapet walls, wherever applicable. Cleaning the roof RCC surface by means of wire brush to expose the concrete surface which should be free from all loose particles, dust, laitance, etc.
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Placing 12mm N.B.M.S. threaded Nozzles of 75mm length by drilling or making holes with suitable tools upto required depth in an approximate grid pattern at a spacing not exceeding 1.5 M c/c on all horizontal and vertical…
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Placing 12mm N.B.M.S. threaded Nozzles of 75mm length by drilling or making holes with suitable tools upto required depth in an approximate grid pattern at a spacing not exceeding 1.5 M c/c on all horizontal and vertical…
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Cleaning the concerned RCC surface by means of wire brush to expose the concrete surface which should be free from all loose particles, dust, laitance, etc…
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Casting of all foundation Plain Cement Concrete (PCC) over soil admixed with an integral waterproofing compound CICO No. 1 conforming to IS 2645 @ 1kg per 50 kg cement.
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