NATIONAL INFRASTRUCTURE

Installation of protective linings over concrete surfaces; hydrodemolition services of buildings, namely, removing deteriorated, delaminated, and spalled concrete with high pressure water

hydrodemolition services not related to buildings, namely, removing deteriorated, delaminated and spalled concrete with high pressure water from sewer pipes, parking lots, parkades both above and below ground, [ bridges, ] tunnels, airport runways, taxiways and aprons, dams, wharves and jetties, and highways