Providing APP membrane for water proofing at different quarters of Kuchana Housing Complex of Majri Area.

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 same membrane 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., andpreparing the surface complete. The vital physical and chemicalparameters of the membrane shall be as under : Joint strength inlongitudinal 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 flexibilityshall 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

Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Dismantling of existing tar felt on roofs, cleaning of roofs by engaging labours as per direction of Engineer in charge cost includes pay of workers and necessary tools complete.

Total impact of GST for the purpose of CTC