Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3238 — Precast Concrete Box Culverts
Minnesota 2025 Standard Specifications for Construction, Section 3238. Full text, cross-references and related pay items on BuildSpec.
3238 PRECAST CONCRETE BOX CULVERTS 3238.1 SCOPE Provide products manufactured in a precast concrete manufacturing plant pre -approved by the Materials Engineer, listed on the APL and meeting the requirements of 3240, “Precast Concrete Manufacturing.” Provide precast concrete single and multi-cell box Culverts sections, headwalls, and aprons, including box Culvert sections used in the as-cast position as manholes or manhole-type Structures. 3238.2 REQUIREMENTS A Fabrication Drawings, Falsework, and Forms If full construction details are not included in the Plans, provide shop drawings…
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