Specifications include, but are not limited to: 1. All MATERIALS used in the production of BM-2A with 10% RAP shall be in accordance with City of Topeka and Shawnee County Standard Technical Specifications, Section 7 ASPHALTIC CONCRETE, Paragraph 2. Asphalt binder used in the production of BM-2A shall be Performance Grade PG 64-22 unless otherwise specified or approved by the County Engineer. 2. MIX DESIGNATION for BM-2A. The asphaltic concrete shall conform to mix designation BM-2A as detailed in Paragraph 3, Section 7 ASPHALTIC CONCRETE of the City of Topeka and Shawnee County Standard Technical Specifications, latest edition. Subsection 1103.02 (b) (2), except as amended herein. The BM-2A asphaltic concrete shall be composed only of combinations of crushed stone (CS1), crushed stone screenings (CS-2), sand and sand-gravel (SSG), and cement or crushed stone (MFS-1). Recycled asphalt pavement (RAP) millings will be allowed but shall not exceed 10% of the total volume. 3. ASPHALTIC CONCRETE MIX DESIGN shall be in accordance with Paragraph 4, Section 7, ASPHALTIC CONCRETE of the City of Topeka and Shawnee County Standard Technical Specifications, latest edition meet Marshall properties designated for Major/Minor Collectors. No asphaltic concrete shall be produced for payment until an asphaltic concrete mix design, including a design job-mix gradation, has been approved by the County Engineer. The preparation of the asphaltic concrete mix design shall be performed by an approved testing laboratory and shall be subsidiary to the bid item BM-2A with 10% RAP BITUMINOUS HOT MIX ASPHALT. The mix design and materials certifications must be submitted for approval to the County Engineer and shall not be dated prior to January 1st of the bidding year.