Specifications include, but are not limited to: A. Machine prep of existing slab. Remove concrete from existing slab to a depth of at least ¼” below the existing surface, and remove all patches completely , in accordance with the requirements of Section 606.03.03. B . Partial Depth Slab Repair and Latex Overlay . Remove areas determined to be unsound by the Engineer via hydrodemolition or via hand held jackhammers weighing less than 45lbs in accordance with Section 606.02.10 D. Repair/Replace all damaged or severely corroded reinforcing bars prior to partial depth repair operation. The Depa rtment will not measure material removal and will consider this work incidental to the bid item “PARTIAL DEPTH PATCHING”. Mix and place Latex Modified Concrete Overlay in accordance with Sections 606.03.08 and 606.03.17. C . Asphalt/Concrete Approach Pavement . Mil l each existing asphalt approach for a distance of 100 ’ from the bridge end. For the rigid approach (south), repair any damaged rigid approach with Class M concrete. Remove the bituminous material uniformly by making an edge key, so as to provide a smooth transition to the finished bridge when a new bituminous overlay of compacted depth of approximately 1½” is added to the approaches. The grinding depth may vary depending of the condition of the existing approach and final elevation of bridge end. Dispose of all removed material away from the site.