Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction

Section 2112 — Subgrade Preparation

Minnesota 2025 Standard Specifications for Construction, Section 2112. Full text, cross-references and related pay items on BuildSpec.

2112 SUBGRADE PREPARATION 2112.1 DESCRIPTION This Work consists of shaping, mixing, and compacting the Subgrade, as defined in 1103, “Definitions,” Subgrade. The work is not intended to repair embankment below the 6-inch Subgrade Preparation Layer. 2112.2 MATERIALS — BLANK 2112.3 CONSTRUCTION REQUIREMENTS A General Repair Structures damaged by Contractor operations or negligence. Scarify, mix, dry or add moisture (if necessary), and compact the top 6 inches of the Subgrade. Correct areas represented by failing tests. Comply with the drainage requirements of 2106.3A, “General” and any other…

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