11.1 Excavation – Existing pavement shall be cut in neat, true lines
11.1 Excavation – Existing pavement shall be cut in neat, true lines along the area of the proposed excavation. Unstable pavement shall be removed over cave-outs and breaks and the sub grade treated as the main trench. Pavement edges shall be trimmed to a vertical face and neatly aligned with the center line of the trench. Cut-outs beyond the limits of the trench lines must be normal or aligned parallel to the center line of the trench. Excavations shall be made in open cut. Trenches and excavations shall be braced and sheathed in accordance with the requirements of the Occupational Safety and Health Act (OSHA). Sections of bituminous or cement concrete sidewalks shall be removed to the nearest scoreline or approved cut edge.