Name of Work:Water proofing treatment on roof of amenity Community center at BSF campus Masimpur under FTR HQ BSF
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Item Description
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12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)
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Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer, 3 mm thick water proofing membrane, black finished reinforced with glass fibre matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the samemembrane manufactured of density at 25°C, 0.87 - 0.89 kg/litre and viscocity 70 - 160 cps. Over the primer coat the layer of membrane shall be laid using butane torch and sealing all joints etc., and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 350/300 N/5 cm. Tear strength in longitudinal and transverse direction as 60/80N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : 3 mm thick
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less/Modified estimated cost after using correction factor on DSR 2023 on account of GST @ 0.973 as per office memorandum 158/SE (TAS) /GST/2024/02-E dated 08.08.2024 on DSR items\"A\"
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