Where any components in this chapter are not maintained and do not function as intended or do not have the fire resistance required by the code under which the building was constructed, remodeled or altered, such component(s) or portion thereof shall be deemed an unsafe condition, in accordance with Section 110.1.1. Components or portions thereof determined to be unsafe shall be repaired or replaced to conform to that code under which the building was constructed, remodeled, altered or this chapter, as deemed appropriate by the fire code official.
Where the extent of the conditions of components is such that any building, structure or portion thereof presents an imminent danger to the occupants of the building, structure or portion thereof, the fire code official shall act in accordance with Section 110.2.
The following words and terms shall, for the purposes of this chapter and as used elsewhere in this code, have the meanings shown herein.
[B] DRAFTSTOP. A material, device or construction installed to restrict the movement of air within open spaces of concealed areas of building components such as crawl spaces, floor/ceiling assemblies, roof/ceiling assemblies and attics.
[B] FIRE-RESISTANT JOINT SYSTEM. An assemblage of specific materials or products that are designed, tested and fire-resistance rated in accordance with either ASTM E 1966 or UL 2079 to resist for a prescribed period of time the passage of fire through joints made in or between fire-resistance-rated assemblies.
[B] FIREBLOCKING. Building materials, or materials approved for use as fireblocking, installed to resist the free passage of flame to other areas of the building through concealed spaces.
- Special Assembly Occupancies, including any exit enclosures providing a means of egress from spaces containing such occupancies.
- Group I-2 occupancies, including any exit enclosures providing a means of egress from spaces containing such occupancies.
- Vertical ventilation shafts located within high-rise buildings where the shaft has a minimum fire resistance rating of one hour.
- Unobstructed access to the damper shall be verified and corrected as required.
- An operation test of the damper shall verify that the damper closes and that there is no damper interference due to rusted, bent, misaligned or damaged frame or blades, or defective hinges or parts.
- The damper frame shall not be penetrated by any foreign objects that would affect fire damper operations.
- The damper shall not be blocked from closure in any way.
- The fusible link (if applicable) shall be reinstalled after the completion of the operation testing.
- If the fusible link (if applicable) is damaged or painted, it shall be replaced with a link of the same size, temperature and load rating.
- Master Plumber (9-1003)
- Contractor (9-1004)
- Fire Suppression System Contractor (9-1005)
- Electrical Contractor (9-1006)
- Wood or metal studding with 5/8-inch fire rated (Type X) gypsum wall board on each side.
- Wood lathe and plaster.
- Six-inch or greater hollow or solid CMU (cinder block).
- Construction having a 1-hour listing by Underwriters Laboratories or other approved testing agency.