[Code of Federal Regulations] [Title 41, Volume 3] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR102-80.145] [Page 269-270] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 102--FEDERAL MANAGEMENT REGULATION PART 102-80--SAFETY AND ENVIRONMENTAL MANAGEMENT--Table of Contents Subpart C--Accident and Fire Prevention Sec. 102-80.145 What is meant by ``flashover''? Flashover means fire conditions in a confined area where the upper gas [[Page 270]] layer temperature reaches 600 C (1100 F) and the heat flux at floor level exceeds 20 kW/m2 (1.8 Btu/ft2/sec). Reasonable Worst Case Fire Scenario