NFPA 101-7.1.3.1 – if corridor is used as “Exit Access” and will serve >30 occupants, then it’s walls must be 1-hour fire rated. Though this shall not apply where otherwise requirements are provided in table below.
| OCCUPANCY TYPE (new building) |
CODE REF. | CORRIDOR WALL FIRE RATING REQUIREMENTS |
| AMBULATORY (Not Sprinklered) |
(20.3.6.1 and 38.3.6.1) | 1-hour, No Requirement if occupied by single tenant, |
| AMBULATORY (Sprinklered) |
(20.3.6.1 and 38.3.6.1) | No Requirement |
| ASSEMBLY (Not Sprinklered) |
(12.3.6.1) | 1-hour if OL > 30, No requirement if 50% of exit capacity is discharging to outside. |
| ASSEMBLY (either Sprinklered or with smoke detection system) |
(12.3.6.2) | No Requirement |
| BUSINESS (Not Sprinklered) |
(38.3.6.1) | 1-hour, No Requirement if occupied by single tenant, |
| BUSINESS (Sprinklered) |
(38.3.6.1) | No Requirement |
| HEALTHCARE | (18.3.6.1) | Limit transfer of smoke |
| EDUCATIONAL (Not Sprinklered) |
(14.3.6) | 1-hour, |
| EDUCATIONAL (Sprinklered) |
(14.3.6) | Wall to be smoke partition |
| ONE & TWO FAMILY DWELLINGS |
(-) | No Requirement |
| HOTELS AND DORMITORIES (Not Sprinklered) |
(28.3.6) | 1-hour |
| HOTELS AND DORMITORIES (Sprinklered) |
(28.3.6) | 30-minutes |
| APARTMENTS (Not Sprinklered) |
(30.3.6.1) | 1-hour |
| APARTMENTS (Sprinklered) |
(30.3.6.1) | 30-minutes |
| MERCANTILE (Not Sprinklered) |
(36.3.6.1) | 1-hour, Not Required if space is occupied by single tenant |
| MERCANTILE (Sprinklered) |
(36.3.6.1) | No Requirement |
| STORAGE |
(42.3.6) | No Requirement, provision of 7.1.3.1 shall not apply |
Notes:
- Code Reference used is NFPA-101 2012 edition unless otherwise noted.
- These information is not complete and intended to be used as quick references only, always refer to NFPA or your local codes for complete information.