B2 Commercial Building Inspector Quiz

Exterior walls separating the exterior area of assisted rescue from the interior of the building shall have a minimum fire-resistance rating of 1 hour, rated for exposure to fire from the inside. The fire-resistance- rated exterior wall construction shall extend horizontally not less than 10 feet (3048 mm) beyond the landing on either side of the landing or equivalent fire-resistance- rated construction is permitted to extend out perpendicular to the exterior wall not less than 4 feet (1219 mm) on the side of the landing. The fire-resistance-rated construction shall extend vertically from the ground to a point not less than 10 feet (3048 mm) above the floor level of the area for assisted rescue or to the roof line, whichever is lower. Openings within such fire-resistance-rated exterior walls shall be protected in accordance with Section 716. Exception: The fire-resistance rating and opening protectives are not required in the exterior wall where the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2. 2024 IBC – Chapter 10, Means of Egress. Section 1009 Accessible Means of Egress. 1009.7 Exterior areas for assisted rescue. 1009.7.2 Separation.

An automatic sprinkler system shall be provided throughout stories containing Group A-3 occupancies and throughout all stories from the Group A-3 occupancy to and including the levels of exit discharge serving that occupancy where one of the following conditions exists: 1. The fire area exceeds 12,000 square feet (1115 m2). 2. The fire area has an occupant load of 300 or more. 3. The fire area is located on a floor other than a level of exit discharge serving such occupancies. 2024 IBC – Chapter 9, Fire Protection and Life Safety Systems. Section 903 Automatic Sprinkler Systems. 903.2 Where required. 903.2.1 Group A. 903.2.1.3 Group A-3.

Joists shall be supported laterally at the ends and at each support by solid blocking except where the ends of the joists are nailed to a header, band or rim joist or to an adjoining stud or by other means. Solid blocking shall be not less than 2 inches (51 mm) in thickness and the full depth of the joist. Joist framing from opposite sides of a beam, girder or partition shall be lapped not less than 3 inches (76 mm) or the opposing joists shall be tied together in an approved manner. Joists framing into the side of a wood girder shall be supported by framing anchors or on ledger strips not less than 2 inches by 2 inches (51 mm by 51 mm). 2024 IBC – Chapter 23, Wood. Section 2308 Conventional Light-Frame Construction. 2308.8 Floor framing. 2308.8.2 Floor joists. 2308.8.2.3 Framing details.

AVERAGE AMBIENT SOUND LEVEL. The root mean square, A-weighted sound pressure level measured over a 24-hour period, or the time any person is present, whichever time period is less. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions.

A minimum 0.019-inch (0.48 mm) (No. 26 galvanized sheet gage), corrosion-resistant weep screed with a minimum vertical attachment flange of 3-1/2 inches (89 mm) shall be provided at or below the foundation plate line on exterior stud walls in accordance with ASTM C926. The weep screed shall be placed not less than 4 inches (102 mm) above the earth or 2 inches (51 mm) above paved areas and be of a type that will allow trapped water to drain to the exterior of the building. The water-resistive barrier shall lap the attachment flange. The exterior lath shall cover and terminate on the attachment flange of the weep screed. 2024 IBC – Chapter 25, Gypsum Panel Products and Plaster. Section 2512 Exterior Plaster. 2512.1 General. 2512.1.2 Weep screeds.

The ground immediately adjacent to the foundation shall be sloped away from the building at a slope of not less than 1 unit vertical in 20 units horizontal (5-percent slope) for a minimum distance of 10 feet (3048 mm) measured perpendicular to the face of the wall. If physical obstructions or lot lines prohibit 10 feet (3048 mm) of horizontal distance, a 5-percent slope shall be provided to an approved alternative method of diverting water away from the foundation. Swales used for this purpose shall be sloped not less than 2 percent where located within 10 feet (3048 mm) of the building foundation. Impervious surfaces within 10 feet (3048 mm) of the building foundation shall be sloped not less than 2 percent away from the building. Exceptions: 1. Where climatic or soil conditions warrant, the slope of the ground away from the building foundation shall be permitted to be reduced to not less than 1 unit vertical in 48 units horizontal (2-percent slope). 2. Impervious surfaces shall be permitted to be sloped less than 2 percent where the surface is a door landing or ramp that is required to comply with Section 1010.1.4, 1012.3 or 1012.6.1. The procedure used to establish the final ground level adjacent to the foundation shall account for additional settlement of the backfill. 2024 IBC – Chapter 18, Soils and Foundations. Section 1804 Excavation, Grading and Fill. 1804.4 Site grading.

In a Group H-2 occupancy, the maximum common path of egress travel is 25 feet. Group H-3 occupancy requires the same maximum common path egress travel. A single exit or access to a single exit shall be permitted from any story or occupiable roof where one of the following conditions exists: 1. The occupant load, number of dwelling units and exit access travel distance do not exceed the values in Table 1006.3.4(1) or 1006.3.4(2). 2024 IBC – Chapter 10, Means of Egress. Section 1006 Number of Exits and Exit Access Doorways. 1006.3 Egress from stories or occupiable roofs. 1006.3.4 Single exits. Table 1006.3.4(2) Stories and Occupiable Roofs with One Exit or Access to One Exit For Other Occupancies.

For areas having fixed seats and aisles, the occupant load shall be determined by the number of fixed seats installed therein. The occupant load for areas in which fixed seating is not installed, such as waiting spaces, shall be determined in accordance with Section 1004.5 and added to the number of fixed seats. The occupant load of wheelchair spaces and the associated companion seat shall be based on one occupant for each wheelchair space and one occupant for the associated companion seat provided in accordance with Section 1109.2.3. For areas having fixed seating without dividing arms, the occupant load shall be not less than the number of seats based on one person for each 18 inches (457 mm) of seating length. The occupant load of seating booths shall be based on one person for each 24 inches (610 mm) of booth seat length measured at the backrest of the seating booth. 2024 IBC – Chapter 10, Means of Egress. Section 1004 Occupant Load. 1004.6 Fixed seating.

The exit access travel distance shall comply with Section 1017. Where aisles are provided for seating, the distance shall be measured along the aisles and aisle accessways without travel over or on the seats. Exceptions: 1. In facilities with smoke-protected assembly seating, the total exit access travel distance shall be not greater than 400 feet (122 m). That portion of the total permitted exit access travel distance from each seat to the nearest entrance to a vomitory or concourse shall not exceed 200 feet (60 960 mm). The portion of the total permitted exit access travel distance from the entrance to the vomitory or concourse to one of the following shall not exceed 200 feet (60 960 mm): 1.1. The closest riser of an exit access stairway. 1.2. The closest slope of an exit access ramp. 1.3. An exit. 2. In facilities with open-air assembly seating of Type III, IV or V construction, the total exit access travel distance to one of the following shall not exceed 400 feet (122 m): 2.1. The closest riser of an exit access stairway. 2.2. The closest slope of an exit access ramp. 2.3. An exit. 3. In facilities with open-air assembly seating of Type I or II construction, the total exit access travel distance shall not be limited. 2024 IBC – Chapter 10, Means of Egress. Section 1030 Assembly. 1030.7 Travel distance.

INTERIOR FLOOR-WALL BASE. Interior floor finish trim used to provide a functional or decorative border at the intersection of walls and floors. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions.

A manual actuation device shall be located at or near a means of egress from the cooking area not less than 10 feet (3048 mm) and not more than 20 feet (6096 mm) from the kitchen exhaust system. The manual actuation device shall be installed not more than 48 inches (1200 mm) or less than 42 inches (1067 mm) above the floor and shall clearly identify the hazard protected. The manual actuation shall require a maximum force of 40 pounds (178 N) and a maximum movement of 14 inches (356 mm) to actuate the fire suppression system. Exceptions: 1. Automatic sprinkler systems shall not be required to be equipped with manual actuation means. 2. Where locating the manual actuation device between 10 feet (3048 mm) and 20 feet (6096 mm) from the cookign area is not feasible, the fire code official is permitted to accept a location at or near a means of egress from the cooking area, where the manual actuation device is unobstructed and in view from the means of egress. 2021 IBC Section 904.14.1 Manual system operation. Section 904, Alternative automatic fire-extinguishing systems. Chapter 9, Fire protection systems.

Note e. Not less than the fire-resistance rating based on fire separation distance (see Table 705.5). Note f. Not less than the fire-resistance rating as referenced in Section 704.10. 2024 IBC – Chapter 6, Types of Construction. Section 601 General. Table 601 Fire-Resistance Rating Requirements for Building Elements (Hours). Table 705.5 Fire-Resistance Rating Requirements for Exterior Walls Based on Fire Separation Distance.

The provisions of this code shall not be deemed to nullify any provisions of local, state or federal law. 2024 IBC – Chapter 1, Scope and administration. Section 102, Applicability. [A] 102.2 Other laws.

Spray rooms shall be enclosed with not less than 1-hour fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. Floors shall be waterproofed and drained in an approved manner. 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 416 Spray Application of Flammable Finishes. 416.2 Spray rooms.

The minimum net clear opening height dimension shall be 24 inches (610 mm). The minimum net clear opening width dimension shall be 20 inches (508 mm). The net clear opening dimensions shall be the result of normal operation of the opening 2024 IBC – Chapter 10, Means of Egress. Section 1031 Emergency Escape and Rescue. 1031.3 Emergency escape and rescue openings. 1031.3.2 Minimum dimensions.