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. Do not place joint sealant unless the ambient air temperature is 40F or greater, and the pavement temperature is 40F or greater. Fill the sealant reservoir to a level of 1/8 inch to 1/4 inch below the pavement surface.
590.4MEASUREMENT AND PAYMENT—Linear Foot
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