Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3138 — Aggregate for Surface And Base Courses
Minnesota 2025 Standard Specifications for Construction, Section 3138. Full text, cross-references and related pay items on BuildSpec.
3138 AGGREGATE FOR SURFACE AND BASE COURSES 3138.1 SCOPE This Specification lists the quality requirements for Aggregates used for 2118, “Aggregate Surfacing,” 2211, “Aggregate Base,” and 2221, “Shoulder Base Aggregate.” 3138.2 REQUIREMENTS A General Provide Aggregates that have uniform: appearance, texture, moisture content, and performance characteristics. B Virgin Materials Provide virgin Aggregates meeting the following requirements: (1) Comprised of naturally occurring sound mineral Materials (2) Class 2 must be composed of 100 percent crushed quarry rock (3) Conforms to the quality…
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