When traffic is to be maintained during crack router, the surface shall be dusted with Portland cement, to eliminate the adhesiveness prior to allowing traffic on the treated areas. Major Crack means any crack in the asphalt surface that exceeds 20 mm in width at any point. Minor Crack means any crack in the asphalt surface that does not exceed 20 mm in width at any point.
When the Contractor cannot demonstrate to the satisfaction of the Contract Administrator that a router is capable of maintaining the specified dimensions and shape of the rout, the Contractor shall then adjust or replace as many cutters in the router's cutting head as necessary until the dimensions and shape of the rout again meets the specification requirements.
All other cracks up to 20 mm in width discovered at the time of routing shall be routed with the exception of any alligator and map cracking as described in KD-25. The routing of all transverse and skewed cracks shall be terminated within 25 mm of the pavement edge.
Two or more cracks shall not be joined by routing through uncracked pavement or routed in areas where a crack does not exist.
