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Specifications: Elk River Library Book Drop Off Widening <br />Grading / Subgrade Prep.• <br />A. Pavement Subgrade <br />1. On site non organic mineral soils, compacted to 100% standard Proctor (ASTM D698). <br />B. Topsoil <br />1. On site topsoil, graded uniformly, minimum 6" thickness. <br />Bituminous Pavement: <br />A. Stabilized Aggregate Base: Aggregate shall meet requirements of Mn/DOT Spec 3138, Class 5. <br />B. Asphalt Binder Course: Materials and methods of preparation and construction shall meet requirements of <br />Mn/DOT Spec 2350. <br />1. Binder Course Mix Design: LV NW 3 50 30 B. <br />C. Asphalt Wearing Course: Materials and methods of preparation and construction shall meet requirements of <br />Mn/DOT Spec 2350. <br />1. Wear Course Mix Design: LV WE 4 50 30 B. <br />D. Bituminous Tack Coat: Tack coat shall be CSS-1 H or CRS-2 cationic emulsified asphalt diluted 50/50 with <br />clean water. Tack coat shall meet requirements of Mn/DOT Spec 2357. <br />E. Grade Tolerance: 1/4" in 10', all areas shall be graded to drain, bird baths will not be acceptable. <br />F. Compaction: <br />1. Stabilized Aggregate Base: 100% standard Proctor (ASTM D698). <br />2. Bituminous (Binder and Wear): Minimum required base and wear course densities will be as stated <br />in MN/Dot Spec 2360, Table 2360.6-62. In place pavement density of each course shall be <br />determined from pavement specimens by the Geotechnical Engineer in accordance with AASHTO <br />T166. <br />Non -Electrical Bollards: <br />A. Install bollards as indicated on the Drawings. <br />