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📏Design Criteria
Adjacent Construction Project Manual (ACPM), Rev. 6
PDFWashington Metropolitan Area Transit Authority2020Heavy RailBus
The governing document for any construction near WMATA infrastructure: submittal and review process, clearance envelopes, allowable ground movement, vibration and noise limits, stray-current and grounding requirements, instrumentation and monitoring, and protection of Metro structures during adjacent excavation, shoring, and dewatering.
About WMATA: WMATA runs the Washington Metrorail system — six heavy-rail lines serving DC, Maryland, and Virginia — plus Metrobus. Third-party and capital work is governed by the Adjacent Construction Project Manual and the agency's design criteria and standard specifications, with strict clearance, vibration, and stray-current requirements near the rail envelope.