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Project Description: Warehouse Remodel Bldg. 1 Date: Tuesday, January 6, 2026 <br /> <br />8 | Page <br /> <br /> <br />FIRE-RESISTANCE RATING REQUIREMENTS:(Table 601 except as noted) <br />Exterior walls . Minimum fire resistance rating = FIRE-RESISTANCE RATING FOR <br />EXTERIOR WALLS above <br />Primary structural frame must be noncombustible. Minimum fire resistance rating = 1 hour <br />Interior bearing wall must be noncombustible. Minimum fire resistance rating = 1 hour <br />Interior nonbearing wall must be noncombustible. Minimum fire resistance rating = 0 hr. <br />Fire-retardant treated wood shall be permitted in: (603.1) <br />1.1 Nonbearing partitions where the required fire-resistance rating is two hours or less. <br />1.2 Nonbearing exterior walls where no fire rating is required. <br />1.3 Roof construction, including girders, trusses, framing and decking. <br />Partitions dividing portions of stores, offices or similar places occupied by one tenant only and <br />do not establish a corridor or serve an occupant load of 30 or more may be: <br />1. constructed of fire retardant treated wood <br />2. one hour fire resistive construction <br />3. wood panels or similar up to six feet in height. (603.1, 11) <br />Floor/ceiling assembly must be noncombustible. Minimum fire resistance rating = 1 hour <br />Roof/ceiling assembly must be noncombustible. Minimum fire resistance rating = 1 hour <br />Heavy timber shall be permitted where a 1 hour or less fire rating is required. (Table 601, c) <br />Fire-retardant-treated wood shall be allowed in buildings including girders and trusses as part of <br />the roof construction. (Table 601, b.) <br />Stairs must be noncombustible. Minimum fire resistance rating = 0 hour <br /> <br />Where columns are required to be fire-resistance rated, the entire column shall be provided <br />individual encasement protection on all sides for the full length. (704.2) <br />MARKING AND IDENTIFICATION: <br />Fire walls, fire barriers, fire partitions, smoke barriers and smoke partitions or any other wall <br />required to have protected openings or penetrations shall be effectively and permanently <br />identified. (703.7) <br />Identification shall be located in accessible concealed floor, floor-ceiling or attic spaces; <br />Be located within 15 feet of the end of each wall and at intervals not exceeding 30 feet; and <br />Suggested wording: 'FIRE AND/OR SMOKE BARRIER - PROTECT ALL OPENINGS' <br /> <br />FIRE PARTITIONS: <br />The following wall assemblies shall comply. (708.1) <br />Fire partitions shall have a fire-resistance rating of not less than 1-hour. (708.3) <br />See exceptions. <br />Fire partitions shall extend from the top of the foundation or floor/ceiling assembly below to the <br />underside of the floor or roof sheathing, slab or deck above or to the fire-resistive-rated <br />floor/ceiling or roof/ceiling assembly above. (708.4) <br />See exceptions. <br />The supporting construction shall be protected to afford the required fire-resistance rating of the <br />wall supported. <br />See exceptions. <br /> <br />A 1-hour fire-resistive rating is required for smoke barriers. (709.3)