Building controls include biometrics, electronically logged attendance, video surveillance and security guards. Building can be sealed off and allowed to burn to destroy release of deadly biologics. 150-foot building setback using blast rated external concrete walls. 150 foot building setback with a minimum of 150 feet of concrete walls.150-foot setback with minimum setback. 150 foot setback with maximum height of 1,000 feet of building. 150-ft setback with no setback. A minimum of 2,000 foot setback for maximum security.”]
Source: https://www.csoonline.com/article/2120195/the-safety-security-nexus.html