Maryland Department of Transportation — State Highway Administration (MDOT SHA) · Standard Specifications for Construction and Materials
Section 311 — Riprap Ditches
Maryland Standard Specifications for Construction and Materials, Section 311. Full text, cross-references and related pay items on BuildSpec.
311 — RIPRAP DITCHES 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 300 DRAINAGE SECTION 311 — RIPRAP DITCHES 311.01 DESCRIPTION Construct riprap ditches and riprap ditches with capping. 311.02 MATERIALS Riprap 901.02 and 901.03 Geotextile Section 919, Class as specified 2 in. to 4 in. Stone M 43, No. 1 311.03 CONSTRUCTION 311.03.01 Excavation. Excavate to the specified line and grade. Ensure that ditch sides and bottom are smooth and firm, free from protruding objects that would damage the geotextile, and constructed in an acceptable manner. For excavated material,…
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