Mineral Aggregate Base This work consists of furnishing and placing one or more courses of aggregates, and additives if required, on a prepared subgrade. Mineral aggregates base shall be Type A Grade D. Removal of Pavement, Sidewalks, and Curbs Constructed of Portland Cement Concrete As directed, properly dispose of sidewalks, curbs, gutters, and similar features constructed of Portland cement concrete designated for removal. Payment shall include all materials, equipment, and labor necessary to properly remove and dispose of all waste material as well as any traffic control or mobilization necessary to complete the work. Payment shall be based on measurements approved by the City Inspector or Engineer. Concrete Curb Ramps (New or Retrofit) This work consists of constructing Curb Ramps of 3000 PSI Class A cement concrete including ADA compliant truncated domes in accordance with TDOT Specifications and standard drawings. All costs of installing curb ramp(s), including detectable warning surface(s) in newly constructed or existing sidewalk areas, shall be paid by Concrete Curb Ramp, per square foot.
