Рет қаралды 91,783
Base and Sub-Base Repair - International Road Federation 1985 - Video VH-5 - Visit the International Road Federation at www.irfnews.org/ - Noncommercial Use Only - Published with Permission - A video for the road maintenance supervisor and work crew which demonstrates each process in the repair of pavements damaged by water saturation. This video describes machinery, tools, and proper materials required for placing traffic control devices, marking the limits of repair, removing damaged road materials, installing subdrainage, restoring the subgrade, replacing the base, replacing pavement surface, cleaning the worksite, and removing traffic control devices. Emphasis is on planning and coordination.