Maryland Department of Transportation — State Highway Administration (MDOT SHA) · Standard Specifications for Construction and Materials
Section 419 — Subfoundation Investigation
Maryland Standard Specifications for Construction and Materials, Section 419. Full text, cross-references and related pay items on BuildSpec.
419 — SUBFOUNDATION INVESTIGATION 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 400 STRUCTURES SECTION 419 — SUBFOUNDATION INVESTIGATION 419.01 DESCRIPTION Conduct an investigation to verify the character and suitability of the subfoundation material for foundation purposes. 419.02 MATERIALS Not applicable. 419.03 CONSTRUCTION Drill test holes per T 206 and T 225 at least 10 working days prior to excavation or pile driving in that area. Notify the Engineer at least 10 working days prior to drilling. Drill holes at the locations and to the depths specified. Record all…
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