Disciplines (Categories) for Security Countermeasures
NOTE: The numbering system used below is consistent with FEMA 426 Reference Manual to Mitigate Potential Terrorist Attacks Against Buildings.
- Site
- Architectural
- Structural
- Building Envelope
- Utilities
- Mechanical
- Plumbing & Gas
- Electrical
- Fire
- Communications & IT
- Equipment, Operations & Maintenance
- Security Systems
- Security Master Plan

Security Countermeasures