Name of Work: Repair of roof with metal coba treatment on terrace at ONGC Building.
Sl. No.
Item Description
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Dismantling top surface of terrace as per DSR No. 15.23.2
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P/L water proofing on brick coba roof by way of ferro concrete method details as under:-(A) 25mmcement concrete/ 20mm cement moter/25mm loose lime concrete and gola etc. (B) Applying doncrete A & B/roof coat AR/Supercrete SB (IS: 13435,part-3), or equivalent polymer based coating (two pack system) @400gm/sqm, second layer @600gm/sqm by brush. (C) Protective layer of 20mm thick cement coarse building materials 1kg per bag of cement finishing surfac with neat cement and making of (300x300) mm square. the entire treatmetn will be taken up to 30cm on parapet wall
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