Providing and laying water proofing treatment over roof of Govt. primary school and higher secondary school building at ATPS chachai

Amount

Item Rate:- Removing and cleaning the surface such as dust, dirt and all loose particles from the surface of the roof/ construction joints by scrapping and sand blasting method, then providing and applying modified polymer mortar, to make the surface good, free from local depressions/undulations and to the level of the rain water pipes. Threafter providing and laying a coat of solvent based bitumen primer @ 3 to 5 square meter per litre, over the cleaned existing surface and laying 3mm thick APP (Atactic poly propylene) membrane such as torch sheild or super Thermolay or equivalent, over the primed surface and same shall be fixed firmed with the help of a gas burner including 100mm overlapping at the joints in all directions, if required, (No extra payment shall be made for over lapping). The joints shall be treated properly by heating and trawling to make the surface water tight. The treatment shall be provided on the existing rounding on vertical walls up to the required height including the lap end of the treatment shall be properly sealed as per the instruction/direction of the Engineer-in-charge.

Item Rate:- Painting with aluminium paint of approved brand and manufacturer to give and even shade two or more coats over APP membrance as per the instructions/ direction of Engineer-in-charge.

Anil Pandey

M/S TIRUPATI CONSTRUCTION CO