Assembly 08 : Fire-Rated Assembly: An assembly (for example, wall, floor, or roof) that has been tested using standard test methods and has received at least a 1-hour fire resistance rating
NFPA 901 Standard Classifications for Incident Reporting and Fire Protection Data, 2001 ed. https://www.nfpa.org/assets/files/AboutTheCodes/90 1/901-F2005-ROP.pdf (Std: Class for Incid Reporting and Fr Prot Data - Amer) {355 NFC}