B2 Commercial Building Inspector Quiz

The registered design professional shall assign nonstructural concrete a freeze-thaw exposure class, as defined in ACI 318, based on the anticipated exposure of nonstructural concrete. Nonstructural concrete shall have a minimum specified compressive strength, f c, of 2,500 psi (17.2 MPa) for Class F0; 3,000 psi (20.7 MPa) for Class F1; and 3,500 psi (24.1 MPa) for Classes F2 and F3. Nonstructural concrete shall be air entrained in accordance with ACI 318. 2024 IBC – Chapter 19, Concrete. Section 1904 Durability Requirements. 1904.2 Nonstructural concrete.

Girders for single-story construction or girders supporting loads from a single floor shall be not less than 4 inches by 6 inches (102 mm by 152 mm) for spans 6 feet (1829 mm) or less, provided that girders are spaced not more than 8 feet (2438 mm) on center. Other girders shall be designed to support the loads specified in this code. Girder end joints shall occur over supports. Where a girder is spliced over a support, an adequate tie shall be provided. The ends of beams or girders supported on masonry or concrete shall not have less than 3 inches (76 mm) of bearing. 2024 IBC – Chapter 23, Wood. Section 2308 Conventional Light-Frame Construction. 2308.8 Floor framing. 2308.8.1 Girders.

Loads shall be in accordance with Chapter 16 and shall not exceed the following: 1. Average dead loads shall not exceed 15 psf (718 N/m2) for combined roof and ceiling, exterior walls, floors and partitions. Exceptions: 1. Subject to the limitations of Section 2308.10.10, stone or masonry veneer up to the less of 5 inches (127 mm) thick or 50 pounds per square foot (2395 N/m2) and installed in accordance with Chapter 14 is permitted to a height of 30 feet (9144 mm) above a noncombustible foundation, with an additional 8 feet (2439 mm) permitted for gable ends. 2. Concrete or masonry fireplaces, heaters and chimneys shall be permitted in accordance with the provisions of this code. 2. Live loads shall not exceed 40 psf (1916 N/m2) for floors. Exception: Live loads for concrete slab-on-ground floors in Risk Categories I and II shall be not more than 125 psf (5985 N/m2). 3. Allowable stress design ground snow load, pg(asd), shall not exceed 50 psf (2395 N/m2 ). 4. Where design for tornado loads is required, tornado loads on the main windforce-resisting system and all components and cladding shall not exceed the corresponding wind loads on these same elements . 2024 IBC – Chapter 23, Wood. Section 2308 Conventional Light-Frame Construction. 2308.2 Limitations. 2308.2.3 Allowable loads.

The maximum area of exterior wall openings is 15% of allowable area in protected buildings where the fire separation distance is greater than 3 feet but less than 5 feet. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 705 Exterior Walls. 705.9 Openings. Table 705.9 Maximum Area of Exterior Wall Openings Based on Fire Separation Distance and Degree of Opening Protection.

Unless required elsewhere in the code, smoke partitions are not required to have a fire-resistance rating. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 710 Smoke Partitions. 710.3 Fire-resistance rating.

Smoke barriers shall form an effective membrane continuous from the top of the foundation or floor/ ceiling assembly below to the underside of the floor or roof sheathing, deck or slab above, including continuity through concealed spaces, such as those found above suspended ceilings, and interstitial structural and mechanical spaces. The supporting construction shall be protected to afford the required fire-resistance rating of the wall or floor supported in buildings of other than Type IIB, IIIB or VB construction. Smoke barrier walls used to separate smoke compartments shall comply with Section 709.4.1. Smoke-barrier walls used to enclose areas of refuge in accordance with Section 1009.6.4 or to enclose elevator lobbies in accordance with Section 405.4.3, 3007.6.2, or 3008.6.2 shall comply with Section 709.4.2. Exception: Smoke-barrier walls are not required in interstitial spaces where such spaces are designed and constructed with ceilings or exterior walls that provide resistance to the passage of fire and smoke equivalent to that provided by the smoke-barrier walls. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 709 Smoke Barriers. 709.4 Continuity.

For natural ventilation purposes, the exterior side of the structure shall have uniformly distributed openings on two or more sides. The area of such openings in exterior walls on a tier shall be not less than 20 percent of the total perimeter wall area of each tier. The aggregate length of the openings considered to be providing natural ventilation shall be not less than 40 percent of the perimeter of the tier. Interior walls shall be not less than 20 percent open with uniformly distributed openings. Exception: Openings are not required to be distributed over 40 percent of the building perimeter where the required openings are uniformly distributed over two opposing sides of the building. 2024 IBC – Chapter 4, Special Detailed Requirements Based on Occupancy and Use. Section 406, Motor-Vehicle-Related Occupancies. 406.5 Open parking garages. 406.5.2 Openings.

The provisions of Sections 909.20.3.1 through 909.20.3.3 shall apply to ventilation of smokeproof enclosures by natural means. 2021 IBC Section 909.20.3 Natural ventilation alternative. Section 909, Smoke control systems. Chapter 9, Fire protection systems.

Fire door assemblies in interior exit stairways and ramps and exit passageways shall have a maximum transmitted temperature rise of not more than 450°F (250°C) above ambient at the end of 30 minutes of standard fire test exposure. Exception: The maximum transmitted temperature rise is not required in buildings equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 716 Opening Protectives. 716.2 Fire door assemblies. 716.2.2 Performance requirements. 716.2.2.3 Doors in interior exit stairways and ramps and exit passageways.

Projections are not permitted if there is a fire separation distance is 0 to 2 feet. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 705 Exterior Walls. 705.2 Projections. Table 705.2 Minimum distance of projection.

Openings in a fire barrier shall be protected in accordance with Section 716. Openings shall be limited to a maximum aggregate width of 25 percent of the length of the wall, and the maximum area of any single opening shall not exceed 156 square feet (15 m2). Openings in enclosures for exit access stairways and ramps, interior exit stairways and ramps and exit passageways shall also comply with Sections 713.7, 1023.4 and 1024.5, respectively. Exceptions: 1. Openings shall not be limited to 156 square feet (15 m2) where adjoining floor areas are equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1. 2. Openings shall not be limited to 156 square feet (15 m2) or an aggregate width of 25 percent of the length of the wall where the opening protective is a fire door serving enclosures for exit access stairways and ramps, and interior exit stairways and ramps. 3. Openings shall not be limited to 156 square feet (15 m2) or an aggregate width of 25 percent of the length of the wall where the opening protective has been tested in accordance with ASTM E119 or UL 263 and has a minimum fire-resistance rating not less than the fire-resistance rating of the wall. 4. Fire window assemblies permitted in atrium separation walls shall not be limited to a maximum aggregate width of 25 percent of the length of the wall. 5. Openings shall not be limited to 156 square feet (15 m2) or an aggregate width of 25 percent of the length of the wall where the opening protective is a fire door assembly in a fire barrier separating an enclosure for exit access stairways and ramps, and interior exit stairways and ramps from an exit passageway in accordance with Section 1023.3.1. 2024 IBC – Chapter 7, Fire and Smoke Protection Features. Section 707 Fire Barriers. 707.6 Openings.

Locks and latches shall be permitted to prevent operation of doors where any of the following exist: 1. Places of detention or restraint. 2. In Group I-1, Condition 2 and Group I-2 occupancies where the clinical needs of persons receiving care require containment or where persons receiving care pose a security threat, provided that all clinical staff can readily unlock the doors at all times, and all such locks are keyed to keys carried bay all clinical staff at all times or all clinical staff have the codes or other means necessary to operate the locks at all times. 3. In buildings in occupancy Group A having an occupant load of 300 or less, Groups B, F, M and S, and in places of religious worship, the main door or doors are permitted to be equipped with key-operated locking devices from the egress side provided that: 3.1. The doors are the main exterior doors to the building, or the doors are the main doors to tenant space. 3.2. The locking device is readily distinguishable as locked. 3.3. A readily visible durable sign is posted on the egress side on or adjacent to the door stating: THIS DOOR TO REMAIN UNLOCKED WHEN THIS SPACE IS OCCUPIED. The sign shall be in letters 1 inch (25 mm) high on a contrasting background. 3.4. The use of the key-operated locking device is revocable by the building official for due cause. 4. Manual bolts, automatic flush bolts and constant latching bolts on the inactive leaf of a pair of doors in accordance with Table 1010.2.4, provided that the inactive leaf does not have a doorknob, panic hardware, or similar operating hardware. 5. Single exit doors complying with section 1006.2.1 or 1006.3.4 from individual dwelling or sleeping units of Group R occupancies and equipped with a night latch, dead bolt or security chain that requires a second releasing motion, provided that such devices are openable from the inside without the use of a key or tool. 6. Fire doors after the minimum elevated temperature has disabled the unlatching mechanism in accordance with listed fire door test procedures. 7. Doors serving roofs not intended to be occupied shall be permitted to be locked preventing entry to the building from the roof. 2024 IBC – Chapter 10, Means of Egress. Section 1010 Doors, Gates and Turnstiles. 1010.2 Door operations. 1010.2.4 Locks and latches.

Enclosures for interior exit stairways and ramps shall be constructed as fire barriers in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. Interior exit stairway and ramp enclosures shall have a fire-resistance rating of not less than 2 hours where connecting four stories or more and not less than 1 hour where connecting less than four stories. The number of stories connected by the interior exit stairways or ramps shall include any basements, but not any mezzanines. Enclosures for interior exit stairways and ramps shall have a fire-resistance rating not less than the floor assembly penetrated, but need not exceed 2 hours. 2024 IBC – Chapter 10, Means of Egress. Section 1023 Interior Exit Stairways and Ramps. 1023.2 Construction.

An automatic sprinkler system shall be provided for Group E occupancies as follows: 1. Throughout all Group E fire areas greater than 12,000 square feet (1115 m2) in area. 2. The Group E fire area is located on a floor other than a level of exit discharge serving such occupancies. Exception: In buildings where every classroom has not fewer than one exterior exit door at ground level, an automatic sprinkler system is not required in any area below the lowest level of exit discharge serving that area. 3. The Group E fire area has an occupant load of 300 or more. 2024 IBC – Chapter 9, Fire Protection and Life Safety Systems. Section 903 Automatic Sprinkler Systems. 903.2 Where required. 903.2.3 Group E.

Group I-3 occupancies shall be equipped with a manual fire alarm system and automatic smoke detection system installed for alerting staff. 2021 IBC Section 907.2.6.3 Group I-3. Section 907, Fire Alarm and Detection Systems. Chapter 9, Fire protection systems.