Specifications include, but are not limited to: Properly licensed professionals to bid on Asphalt Materials - Quarter 1. Materials to be released for pick-up or delivery as required by City Staff on an “AS NEEDED BASIS.” Materials, Design, and Quality Control of Marshall Mixes a. Materials. Materials for Asphalt Concrete Binder Course shall meet the requirements of Section 406 of the AHTD Standard Specifications Edition of 1996. Materials for Asphalt Concrete Surface Course shall meet the requirements of Section 407 of the AHTD Standard Specifications Edition of 1996, modified as follows: All surface course mixes shall contain no more than 60% limestone aggregate in the course mineral aggregate fraction. b. Design and Quality Control Requirements Design and quality control of Marshall Mixes shall be as specified in Section 404 of the AHTD Standard Specifications Edition of 1996. c. Materials and Equipment for Asphalt Concrete Plant Mix Courses Materials and equipment for asphalt concrete plant mix courses shall meet the requirements of Section 409 of the AHTD Standard Specifications Edition of 2003.
