Repairing work for office building of NH Division, PWD Lucknow.

Providing and Fixing APP (Atactic Polypropylene Polymer) modified prefabricated five layer 2 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 same membrane manufacture of density at 25 degree 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 longidudinal and transverse direction at 23 degree C as 350/300 N/5 cm. Tear strength in longidudinal and transverse direction as 60/80 N. Softening point of membrane not less than 150 degree C. Cold flexibility shall be upto -2 Degree 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. 2 mm for corrugated roof sheet. As Per DAR 14.89.

Finishing wall with Premium Acyrlic Smooth Exterior Paint with Silicon aditive of required shade, Old work two or more coat applied @ 1.43 ltr/ 10 sqm over existing painted surface. As per DAR 13.112.1.

Wall painting with acyrlic emulsion paint having VOC(Volatile Organic Compound) content less than 50 gram/ litre of approved brand and manufracture including applying additional coats wherever required to achive even shade and colour . As per DAR 13.82.1.

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