Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3136 — Drainable Bases
Minnesota 2025 Standard Specifications for Construction, Section 3136. Full text, cross-references and related pay items on BuildSpec.
3136 DRAINABLE BASES 3136.1 SCOPE This Specification lists the quality requirements for drainable bases types: Open Graded Aggregate Base (OGAB) and Drainable Stable Base (DSB) used for 2212, “Drainable Aggregate Base.” 3136.2 REQUIREMENTS A Aggregate Composition Use virgin Aggregates comprised of sound naturally occurring minerals that have uniform: appearance, texture, moisture content, and performance characteristics. B Quality and Gradation Requirements Meet the requirements of Table 3136.2-1. Table 3136.2-1 Drainable Base Requirements Total Percent Passing Requirement Type OGAB DSB 1 1/2…
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