Kannur University Tender

Water proofing treatment for terrace

14.90.1 Providing and laying APP (Atactic Polypropylene Polymer) Modified pre fabricated 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 degree, 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 degree and transverse direction at 23degree as 350/300 N/5 cm. Tear strength in longitudinal and transverse direction as 60/80N. Softening point of membrane not less than 150degree. Cold flexibility shall be upto -2 degree when tested in accordance with ASTM,D - 5147. The laying of membrane shall be got done through the authorized applicator of the manufacturer of membrane :3 mm thick

13.63.1 Painting with aluminium paint of approved brand and manufacture to give an even shade.Two or more coats on new work