Specifications include, but are not limited to: This work consists of providing all materials, constructing bituminous concrete speed hump and installing delineators. Materials: A. Speed hump: 1. Bituminous concrete Type C Section 401 2. Permanent striping Section 817 B. Delineator blank 1. 6ʺ x 12ʺ aluminum plate, alloy 6061 T651 or 5052 H32, 1/8ʺ (min) in thickness with 1-1/2ʺ radius corners, punched with two (2) 1/2ʺ holes 2ʺ from top and bottom, treated with a chromate conversion coating meeting ASTM B449. 2. Reflector shall be covered on one side only with Type III High Intensity grade silver retroreflective sheeting or other approved material with greater reflectivity. 3. The breakaway delineator post shall be composed of square steel tubes conforming to the notes and details shown on the Plans. C. Pavement striping shall be alkyd-thermoplastic or an approved permanent pavement marking tape. A. Construct the speed humps in accordance with Section 401. The plans depict the construction of speed humps in two passes, the Department has obtained satisfactory results in constructing the speed hump through template ramps, which allow the placement of bituminous concrete in one pass. However, regardless of the method used, it shall be the responsibility of the contractor to produce satisfactory results in constructing the speed hump in accordance with the details shown on the Plan. B. Speed humps removed as part of the milling/paving operation within a residential community shall be replaced within seven (7) days of completion of paving. Installation of speed humps separate from a milling/paving operation shall be completed the same day. C. Two (2) reflectors per post are to be mounted back-to-back 4 feet from the ground with two (2) M10x1.5 grade 2 plated steel hex head bolts with two way steel lock nuts. Nylon washers are also to be used between the bolt or nut and the reflector face. Within 48 hours of installation the speed hump shall be striped as specified in the plan notes and details. If the contractor elects to use temporary striping prior to the permanent pavement striping such temporary striping will be considered incidental to this item...
