B2 Commercial Building Inspector Quiz

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.

Where the fire separation distance is greater than 3 but less than 5 feet in exterior wall projections, the minimum distance from the line used to determine FSD is two-thirds of FSD. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 705 Exterior Walls. 705.2 Projections. Table 705.2 Minimum distance of projection.

MASONRY UNIT. Hollow. A masonry unit whose net cross-sectional area in any plane parallel to the load-bearing surface is less than 75 percent of its gross cross-sectional area measured in the same plane. Solid. A masonry unit whose net cross-sectional area in every plane parallel to the load-bearing surface is 75 percent or more of its gross cross-sectional area measured in the same plane. 2024 IBC – Chapter 2, Definitions. Section 202, Definitions.

The capacity, in inches, of means of egress components other than stairways shall be calculated by multiplying the occupant load served by such component by a means of egress capacity factor of 0.2 inch (5.1 mm) per occupant. 2024 IBC – Chapter 10, Means of Egress. Section 1005 Means of Egress Sizing. 1005.3 Required capacity based on occupant load. 1005.3.2 Other egress components.

Where interior glazing is installed adjacent to a walking surface, the differential deflection of two adjacent unsupported edges shall be not greater than the thickness of the panels when a force of 50 pounds per linear foot (plf) (730 N/m) is applied horizontally to one panel at any point up to 42 inches (1067 mm) above the walking surface. 2024 IBC – Chapter 24, Glass and Glazing. Section 2403 General Requirements for Glass. 2403.4 Interior glazed areas.

To qualify for an area factor increase based on frontage, the public way or open space adjacent to the building perimeter shall have a minimum distance of 20 feet (6096 mm) measured at right angles from the building face to any of the following: 1. The closest interior lot line. 2. The entire width of a street, alley or public way. 3. The exterior face of an adjacent building on the same property. The frontage increase shall be based on the smallest public way or open space that is 20 feet (6096 mm) or greater, and the percentage of building perimeter having a minimum 20 feet (6096 mm) public way or open space. 2024 IBC – Chapter 5, General Building Heights and Areas. Section 506 Building Area. 506.3 Frontage increase. 506.3.2 Minimum frontage distance.

Access to the stairway or ramp shall be by way of a vestibule or an open exterior balcony. The minimum dimension of the vestibule shall be not less than the required width of the corridor leading to the vestibule but shall not have a width of less than 44 inches (1118 mm) and shall not have a length of less than 72 inches (1829 mm) in the direction of egress travel into the stairway, measured in a straight line between the centerline of the doorways into the vestibule and stairway. 2021 IBC Section 909.20.1 Access. Section 909, Smoke control systems. Chapter 9, Fire protection systems.

Exceptions: 2. Where drinking fountains are primarily for childrens use, drinking fountains for people using wheelchairs shall be permitted to comply with the childrens provisions in ICC A117.1 and drinking fountains for standing children shall be permitted to provide the spout at 30 inches (762 mm) minimum above the floor. 2024 IBC – Chapter 11, Accessibility. Section 1110 Other Features and Facilities. 1110.7 Drinking fountains. 1110.7.1 Minimum number.

A manual fire alarm system, which activates the occupant notification system in accordance with Section 907.5, shall be installed in Group B occupancies where one of the following conditions exists: 1.The combined Group B occupant load of all floors is 500 or more. 2.2. The Group B occupant load is more than 100 persons above or below the lowest level of exit discharge. 3.3. The fire area contains an ambulatory care facility. 4.Exception: Manual fire alarm boxes are not required when the building is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 and the occupant notification appliances will activate throughout the notification zones upon sprinkler water flow. 2021 IBC 907.2.2 Group B. Section 907, Fire alarm and detection systems. Chapter 9, Fire protection systems.

On ramps and on ramped aisles that are part of an accessible route, the clear width between handrails shall be 36 inches (914 mm) minimum. Projections into the required width of aisles, stairways and ramps at each side shall not exceed 4-1/2 inches (114 mm) at or below the handrail height. Projections into the required width shall not be limited above the minimum headroom height required in Section 1011.3. Projections due to intermediate handrails shall not constitute a reduction in the egress width. Where a pair of intermediate handrails are provided within the stairway width without a walking surface between the pair of intermediate handrails and the distance between the pair of intermediate handrails is greater than 6 inches (152 mm), the available egress width shall be reduced by the distance between the closest edges of each such intermediate pair of handrails that is greater than 6 inches (152 mm). 2024 IBC – Chapter 10, Means of Egress. Section 1014 Handrails. 1014.9 Projections.

Business Group B occupancy includes, among others, the use of a building or structure, or a portion thereof, for office, professional or service-type transactions, including storage of records and accounts. Business occupancies shall include, but not be limited to, the following: Airport traffic control towers Ambulatory care facilities Animal hospitals, kennels and pounds Banks Barber and beauty shops Car wash Civic administration Clinic, outpatient Dry cleaning and laundries: pick-up and delivery stations and self-service Educational occupancies for students above the 12th grade including higher education laboratories Electronic data entry Food processing establishments and commercial kitchens not associated with restaurants, cafeterias and similar dining facilities not more than 2,500 square feet (232 m2) in area. Laboratories: testing and research Lithium-ion or lithium metal battery testing, research and development Motor vehicle showrooms Post offices Print shops Professional services (architects, attorneys, dentists, physicians, engineers, etc.) Radio and television stations Telephone exchanges Training and skill development not in a school or academic program (this shall include, but not be limited to, tutoring centers, martial arts studios, gymnastics and similar uses regardless of the ages served, and where not classified as a Group A occupancy). 2024 IBC – Chapter 3, Occupancy Classification and Use. Section 304, Business Group B. 304.1 Business Group B.

Exceptions: 9. In other than Group H occupancies, manually operated horizontal sliding doors are permitted in a means of egress from spaces with an occupant load of 10 or less. 2024 IBC – Chapter 10, Means of Egress. Section 1010 Doors, Gates and Turnstiles. 1010.1 General. 1010.1.2 Egress door types.

Required parapets shall have the same fire-resistance rating as that required for the supporting wall, and on any side adjacent to a roof surface, shall have noncombustible faces for the uppermost 18 inches (457 mm), including counterflashing and coping materials. The height of the parapet shall be not less than 30 inches (762 mm) above the point where the roof surface and the wall intersect. Where the roof slopes toward a parapet at a slope greater than two units vertical in 12 units horizontal (16.7-percent slope), the parapet shall extend to the same height as any portion of the roof within a fire separation distance where protection of wall openings is required, but the height shall be not less than 30 inches (762 mm). 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 705 Exterior Walls. 705.12 Parapets. 705.12.1 Parapet construction.

Exceptions: 2. In Group I-3, door openings to resident sleeping units that are not required to be an Accessible unit shall have a minimum clear opening width of 28 inches (711 mm). 2024 IBC – Chapter 10, Means of Egress. Section 1010 Doors, Gates and Turnstiles. 1010.1 General. 1010.1.1 Size of doors.

Where two exits, exit access doorways, exit access stairways or ramps, or any combination thereof, are required from any portion of the exit access, they shall be placed a distance apart equal to not less than one-half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between them. Interlocking or scissor stairways shall be counted as one exit stairway. Exceptions: 1. Where interior exit stairways or ramps are interconnected by a 1-hour fire-resistance-rated corridor conforming to the requirements of Section 1020, the required exit separation shall be measured along the shortest direct line of travel within the corridor. 2. Where a building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, the separation distance shall be not less than one-third of the length of the maximum overall diagonal dimension of the area served. 2024 IBC – Chapter 10, Means of Egress. Section 1007 Exit and Exit Access Doorway Configuration. 1007.1 General. 1007.1.1 Two exits or exit access doorways.