Municipal Corporation Tender

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 the same membrance manufacture 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 manufacture of membrane. 2mm (for corrugated roof sheets) of approved make complete in all respect to the entire satisfaction of engineer incharge DSR 14.89.1

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

Providing and fixing 24 inch Throat dia (685mm) stainless steel -201 rotating wind driven turbo ventilator having 360mm height Top cover, fins ,Outer Rings and drive mechanism with shaft and bush bearing on existing shed after cutting the desired shape to fix the self rotating turbo ventilator complete in all respect to the entire satisfaction of engineer incharge. N.S