Specifications include, but are not limited to: Aggregates shall comply with the gradation requirements as stated in Sections 301 through Section 311 of the aforementioned Wisconsin Division of Highways specifications, except as modified herein. Aggregate type and gradation number are called for on each price schedule sheet. Percent Passing by Weight Sieve 3-inch 1 1/4-inch 3 /4-inch 3-inch 90-100 -- -- 1 1/2-inch 60-85 -- -- 1 1/4-inch -- 95-100 -- 1-inch -- -- 100 3/ 4-inch 40-65 70-93 95-100 3/ 8-inch -- 42-80 50-90 No 4 15-40 25-63 35-70 No 10 10-30 16-48 15-55 No 40 5-20 8-28 10-35 No 200 2.0-12.0 2.0-12.0[1] [3] 5.0-15.0[2] [1] Limited to a maximum of 8.0 percent for base placed between old and new pavement. [2] 8.0 – 15.0 percent if base is >= 50 percent crushed gravel. [3] 4.0 – 10.0 percent if base is >= 50 percent crushed gravel