The document outlines the work needed for a roof renovation project including installing new windows, galvanized steel ducting, removing obstructions, raising cables and pipes, filling holes, and restoring damaged insulation. Specifically, it will involve installing 230 new windows at a cost of 46,000 SAR, installing 550m of ducting at 27,500 SAR, installing 142m of smaller ducting at 9,900 SAR, raising cables for 2,100 SAR, and restoring 1130m^2 of damaged insulation for 33,000 SAR. The total cost of materials and labor for the roof renovation is outlined.