Maryland Department of Transportation — State Highway Administration (MDOT SHA) · Standard Specifications for Construction and Materials
Section 450 — Retaining Walls
Maryland Standard Specifications for Construction and Materials, Section 450. Full text, cross-references and related pay items on BuildSpec.
450 — RETAINING WALLS 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 400 STRUCTURES SECTION 450 — RETAINING WALLS 450.01 DESCRIPTION Construct cast-in-place reinforced concrete footings and stems conforming to the AASHTO definitions of rigid retaining walls. When retaining wall mounted noise barriers are specified, the anchorage assemblies are included in the retaining wall. All components shall be as specified unless prior approval for alternatives is obtained from the Administration. When piles or drilled shafts (caissons) are specified, refer to Sections 410 and 412,…
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