The work shall consist of routing, cleaning, and sealing of random cracks and existing transverse and longitudinal joints. The material used must be a premium quality Rubber Asphalt joint Sealer. The sealer must be an MDOT pre- approved material for HMA Crack Treatment and Overband Crackfill items per section Section 502 of the MDOT 2020 Standard Specifications for Construction Manual AND be from the MDOT Qualified Products List (QPL). The sealant shall be in manufacturer’s original sealed containers. Each container shall have the manufacturer’s name, batch number, and manufacturer’s recommendation for melting and application. 3. Equipment A. The routers must be a minimum of 24 H.P. using star wheel carbide tipped router blades attached to a main cutting head. It must have In-line wheels and cutting head capable of following random cracks. It must have an automatic depth control to insure consistent and accurate routing depths. Router must be equipped with OSHA compliant dust suppression system.
