Maryland Department of Transportation — State Highway Administration (MDOT SHA) · Standard Specifications for Construction and Materials
Section 406 — Drilled Holes in Masonry and Structures
Maryland Standard Specifications for Construction and Materials, Section 406. Full text, cross-references and related pay items on BuildSpec.
406 — DRILLED HOLES IN MASONRY AND STRUCTURES 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 400 STRUCTURES SECTION 406 — DRILLED HOLES IN MASONRY AND STRUCTURES 406.01 DESCRIPTION Drill holes for grouting of bars, bolts, or anchorages. In portions of masonry structures that will remain in the final structure, the drilling of holes for temporary construction purposes is prohibited, unless approved in writing by the Director or Deputy Director of the Office of Structures. Do not drill holes for temporary construction purposes in new or existing masonry structures without…
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