Options include Bituminous Plant 1 and 2.
Recertification for all is available in a classroom setting.
Subjects to be covered are the following test procedures: Maximum Specific gravity (Rice Test), Air voids, and bulk specific gravity as determined from Marshall specimens demo and explanation of Gyratory specimens and compacted pavement cores, extraction and gradation of salvaged-asphaltic aggregate (RAP), and the Tensile Strength Ratio (TSR-Lottman) test.
Bituminous Mix Design requirements and working ranges specified by MnDOT specifications. It also covers subjects such as blending aggregates and recycled mixture design. There will be a day of lab work as well as four days in the classroom. This course prepares the student for doing MnDOT Trial Mix Design submittals.
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