bids are invited for custom bid for services - m19037 roof treatment of mine office, plant office, mechanical office and civil office building at mcp backup as a service providing and laying app (atactic polypropylene polymer) modified prefabricated five layer 3mm thick water proofing membrane, black finished reinforced wirh non-woven polyester matt removing existing old dilapidated tar felting from roof terraces and disposal of the waste within 50 mtrs. lead as per the direction of the engineer-in-charge. dismantling wall plaster of skirting racking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 mtrs. lead. 12 mm cement plaster of mix 1:4 (1 cement: 4 fine sand) at any height disposal of building rubbish by mechanical transport including loading/unloading and leveling within a lead of one km as per direction of engineer-in-charge. grading roof for water proofing treatment with cement concrete 1:2:4 ( 1cement:2 coarse sand:4 graded stone aggregates 20 mm nominal size) prov. & mixing water proof compound total quantity :