Book Overview
- The Architectural Access Board (AAB) Regulations are a set of rules established to ensure accessibility in public buildings and facilities for people with disabilities in the Commonwealth of Massachusetts. These regulations are codified in 521 CMR (Code of Massachusetts Regulations) and are enforced by the Massachusetts Architectural Access Board.
- Key Aspects:
- Purpose and Scope
- Accessibility Standards
- Accessible Routes
- Entrances and Doors
- Restrooms and Fixtures
- Signage and Alarms
- Residential Accessibility
- Variances
- Highlights:
Coordination with Other Codes
- 521 CMR often works in parallel with:
- The Massachusetts Building Code (780 CMR)
- The Americans with Disabilities Act (ADA)
- Local zoning or planning regulations
About Author
The Architectural Access Board Regulations—also known as 521 CMR—do not have a single named author. Instead, they are developed and issued by the:



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