The work consists of sealing existing longitudinal and transverse pavement cracks with Sealant Type 2, PS/AR (hot-poured rubber asphalt) at locations as directed by the Engineer. The Contractor will not be required to seal the existing edge joints. Materials - Use Sealant Type 2, PS/AR (hot-poured rubber asphalt) in accordance with Article 1028-2 of the Standard Specifications. Construction Methods - Install the sealant so that it forms a complete watertight bond with a high degree of elasticity, with maximum flexibility and longevity under extreme temperature ranges. Use an HCA (hot compressed air) lance at all times to blast out any vegetation, dirt, dampness and loose materials from the cracks. Use a concentrated hot air jet that is at least 3,000°F in temperature and that has an air jet force of not less than 3,000 feet per second of blasting...
