In October 2023, Underwriters Laboratory (UL) released the 12th edition of UL 752 a significant update. Edition 11 used the familiar ‘Level 1 through Level 10’ Levels in Edition 11 suggested a simple escalation of protection—higher levels meant stronger materials. In practice, however, the hierarchy masked important differences which meant that higher numeric levels did […]
Industry Update – General Services Administration: P100 Rescinded
For all you federal architects, engineers, and contractors out there, did you know there has been a big change at the GSA that directly affects all of our work? The GSA rescinded the P100 (Facilities Standards for the Public Buildings Service) on February 24, 2025. For those of you who have not used the P100, […]
New Year, Same Threats – Updates to Old Tactics
The nature and tactics of explosive threats look to remain consistent in 2025. However, as everything in nature and life, the methods and technologies used to execute these threats are evolving. Traditionally, terrorist explosive threats were assessed as occurring at ground or street level (e.g., explosive-laden cars, trucks, or boats). The Bomb Threat Standoff Cards […]