This series is a timely statement that features nationally publicized collapses, including those caused by natural disasters, terrorism, and fire. The first three tapes of this six-part series are devoted to construction and collapse knowledge, as well as incident planning and operational procedures. The series is consistent with NFPA 1470, outlining current techniques and procedures. Part 2: Collapse Causes and Types: Learn basic load concepts and why collapse occurs Identify collapse styles Determine possible void space locations to facilitate rescue efforts. +VAT.