Class B-15 Division
“Class B-15 division” means a division formed by a bulkhead, ceiling or lining that is
- constructed and erected entirely from non-combustible materials,
- constructed to prevent the passage of flame after exposure to a standard fire test for 30 minutes, and
- insulated so that if either face is exposed to the first 30 minute period of a standard fire test, the average temperature on the unexposed face will not increase at any time during the first 15 minutes of the test by more than 139°C above that initial temperature, and the temperature at any point on the unexposed face, including any joint, will not increase by more than 225°C above the initial temperature after exposure for 15 minutes; cloisonnement de classe B-15.
Source: Canada Oil and Gas Installations Regulations, SOR/96-111, Canada, current to May 1, 2014. Regulations
Source: Nova Scotia Offshore Petroleum Installations Regulations, SOR/95-191, Canada, current to May 31, 2012. Regulations