11.7 Sidewalks – Any excavation in a concrete or bituminous concrete
11.7 Sidewalks – Any excavation in a concrete or bituminous concrete sidewalk shall require that the entire sidewalk area containing the trench be replaced. Any concrete sidewalk section that is excavated or damaged by the excavation must be replaced in its entirety. Suitable excavated material or gravel shall be placed in layers not to exceed six (6) inches in depth and Compacted. All sidewalk areas will be installed by the Permit Holder or Contractor in conformance with the ADA and the Architectural Access Board Regulations currently in effect. Bituminous concrete sidewalks shall have two courses (two inches of binder and one inch of top) of bituminous concrete plant-mixed hot asphalt aggregate applied to an rolled to create a pavement surface consistent with the adjacent bituminous concrete surface. Concrete sidewalks shall have four inches of poured concrete applied to finish grade. The concrete shall be placed in alternate slabs 9 meters in length except as otherwise ordered. The slabs shall be separated by transverse pre- formed expansion joint filler 13 millimeters in thickness. Concrete driveway openings shall have six inches of poured concrete applied to finish grade. Pre-formed expansion joints will be installed against buildings, walls, steps, foundations or existing concrete block.