Roof Water Proofing work of residence No. 26/1 and Block No. 27-28 at Canal Colony, Cantt Road, Lucknow.

Amount

Providng ana laying APP (Atactic Polypropylene Polymer modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woden polyester amtt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litter/sqm by the same membrane manufacture of density at 25ºC, 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 longitudianal and transverse direction at 23º C as 650/450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less the 150º C Cold flexibility shall be upto -2º C when tested in accordance with ASTM. D - 5147. The laying of membrane shall be got done through the authorized applicator of the manufacture of membrane.

For preparing the surface Dismantling existing mortar/plaster over roof including disposal of refuse as directed by the Engineer- in-Charge with in a distance of 60 meter.

12mm cement plaster in single coat on top of slab in single storey building finished even and smooth 1 cement : 4 coarse sand including all L/M T&P etc under the Laying of APP sheet.

Providing and laying 40mm thick 1:2:4 cement coarse sand and stone ballast 6.7mm nominal size with Murga Jali including all material, Labour T&P and curing complete over the APP sheet.

M/S CHAUDHARY ENTERPRISES