Leak proofing of RCC roofs using APP membrane at Kailashnagar Colony under Mungoli Sub Area.

Removal of old tarfelt from the roof by scarifying including brushng and cleaning of surface including disposal of tarfelt & other rubbish material upto a lead of 2 km by mechanical means as per instruction of the Engineer-in-charge

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., 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

Grading roof for water proofing treatment with Cement mortar 1:4 (1cement : 4 coarse sand)

Add for plaster drip course/ groove in plastered surface or moulding to R.C.C. projections.

Total impact of GST for the purpose of CTC