1.0Stone Security Engineeringhttps://stonesecurityengineering.comhollyhttps://stonesecurityengineering.com/author/holly/rich600338<blockquote class="wp-embedded-content" data-secret="yAgVzNBtGQ"><a href="https://stonesecurityengineering.com/gsa-facility-security-requirements-for-explosive-devices-applicable-to-facility-security-levels-iii-and-iv/">GSA Facility Security Requirements for Explosive Devices Applicable to Facility Security Levels III and IV</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://stonesecurityengineering.com/gsa-facility-security-requirements-for-explosive-devices-applicable-to-facility-security-levels-iii-and-iv/embed/#?secret=yAgVzNBtGQ" width="600" height="338" title="“GSA Facility Security Requirements for Explosive Devices Applicable to Facility Security Levels III and IV” — Stone Security Engineering" data-secret="yAgVzNBtGQ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> Stone Security Engineering authored a new GSA blast standard that was approved and released in August 2011:  GSA Facility Security Requirements for Explosive Devices Applicable to Facility Security Levels III and IV. This document provides detailed criteria for implementing the blast and progressive collapse requirements of the ISC 2010 giving specific design and performance requirements […]