Details: dismantling tar felt over roofing complete including stacking of serviceable material and disposal of unserviceable material within 50-meter lead. providing and laying app (atactic polypropylene polymer) modified prefabricated five layer 3 mm thick water proofing membrane black finished reinforced with glass fibre matt manufactured by bitumen co. ltd. soprema general membrances or tamko consisting of a coat of bitumen primer for bitumen membrane @ 0.40 ltr/sqm by the same membrane manufactured of density at 25o centigrate . 0.87 -0.89 kg/ltr and viscosity 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 components. the vital physical and chemical parameters of the membrane shall be under :-joints strength in longitudinal and transverse direction at 23o as 350/300 n/5 cm. tear strength in longitudinal and transverse direction as 60/80 n. softening point of membrane not less than 150o cold flexi
Sector: Mining