548.3(o) 548.4(m)
Construct transitions at the limits of the concrete overlay as indicated. In areas where transitions contain existing treated base course or concrete pavement directly below the overlay, place geotextile as a debonding layer as specified in Section 548.3(e)3.a.
548.4MEASUREMENT AND PAYMENT —
For producing the cement concrete needed for the overlay and delivering it to the jobsite. Computed based on the indicated depth of the overlay and the placement area. Includes all work associated with the construction of the concrete overlay except pre- overlay repairs. Excludes cement concrete material used in transition areas.
The unit price includes all required materials and placement/installation including sweeping.
The unit price includes all required materials and placement/installation including sweeping. The cost of necessary joint fault reduction efforts is incidental to this item of work.
The unit price includes all associated items of work within the limits of the transitions.
590.1 590.4
590.1DESCRIPTION —This work is cleaning and sealing of cracks in existing cement concrete pavements
having an opening of 1/16 inch and wider.
590.2MATERIAL —
590.3CONSTRUCTION —Saw or grind cracks to a width of 3/4 inch wide by 1 inch depth. Immediately
after sawing and grinding, flush with water. If original crack is between 3/4 inch and 1 inch wide, saw or grind to a width of 1 inch and a depth of 1 1/4 inches. Immediately before placing the sealant, thoroughly clean the crack . If using a compressed air stream , it should be at least 100 pounds per square inch measured at the source. Do not place sealing material until the faces are thoroughly clean and dry to the satisfaction of the Representative. Seal cracks as specified in the applicable requirements in Section 501.3(n) and as specified here.