Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 2451 — Structure Excavations and Backfills
Minnesota 2025 Standard Specifications for Construction, Section 2451. Full text, cross-references and related pay items on BuildSpec.
2451 STRUCTURE EXCAVATIONS AND BACKFILLS 2451.1 DESCRIPTION This Work consists of excavating, preparing foundations, placing, and compacting backfill for Bridges and Structures per 1103, “Definitions,” either cast-in-place or prefabricated. This Work also consists of constructing and removing cofferdams, making soil bearing tests, and the disposing of surplus excavated Materials. The Department considers the following as cast-in-place Structures: Bridge Substructures, concrete box Culvert extensions, concrete retaining walls, footings for structural plate arches, 3 sided concrete boxes,…
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