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Public Safety & Special Construction — ICC B2 Practice Questions

50 questions · 31% of the ICC B2 exam

Worked questions

1. A hotel installs one directly connected kitchen sink with no integral trap. No exception to the general fixture-trap rule applies. Under 2021 IPC 1002.1, which trap arrangement is required?

  • ATwo liquid-seal traps in series for additional protection
  • BNo trap if the drain has sufficient slope
  • A separate liquid-seal trap for the sink
  • DNo trap whenever the sink is near a wall

Where to look it up

https://www.ncosfm.gov/b-1-2024-ncpc/open

Why C is correct

The general rule requires a separate liquid-seal trap, and double trapping is prohibited. The trap seal addresses drainage-system odors and gases; it is not a substitute for separate sewage-backflow protection. Pipe slope does not remove the trapping requirement. Source: 2021 IPC 1002.1 and Chapter 10 introductory description (base text reproduced in the NC official amendment comparison, not a statement of NC adoption); https://www.ncosfm.gov/b-1-2024-ncpc/open

2. A new healthcare facility is classified as Group I-2. Under 2021 IBC 1202.1, which ventilation approach is required?

  • ANatural ventilation alone is always sufficient for Group I-2.
  • Mechanical ventilation complying with Section 407 of the International Mechanical Code.
  • CA fixed 100-percent outdoor-air supply to every occupied room solely because it is a healthcare facility.
  • DVentilation only in rooms without windows.

Where to look it up

https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

Why B is correct

The IBC expressly directs Group I-2 occupancies and ambulatory care facilities to mechanical ventilation under IMC Section 407. It does not establish one universal outdoor-air percentage for all rooms; the applicable mechanical-code healthcare provisions must determine the detailed requirements. Source: 2021 IBC 1202.1; https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

3. A warehouse reroofing project is being checked under 2021 IBC 1505.1. Which statement correctly describes the roof fire-classification requirement?

  • AEvery warehouse roof requires a two-hour structural fire-resistance rating solely because it is a warehouse.
  • The minimum roof-covering classification is selected from Table 1505.1 based on construction type; listed Class A, B and C assemblies or coverings are tested to ASTM E108 or UL 790.
  • CA weather-resistance warranty establishes the roof fire classification.
  • DAll roofing materials must individually be noncombustible regardless of the approved assembly.

Where to look it up

https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

Why B is correct

Section 1505.1 addresses roof fire classifications and selects minimum coverings by construction type. These classifications are distinct from hourly fire-resistance ratings of structural assemblies; a generic claim that every material must be fire-resistant does not establish compliance. Source: 2021 IBC 1505.1; https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

4. A retail store is in a jurisdiction applying the 2021 IBC administrative provisions. The building official determines that overloaded electrical circuits constitute an unsafe condition; any immediately necessary protective measures have already been taken. Which follow-up best addresses the deficiency?

  • ARequire replacement of the panel without evaluating the circuits or connected loads
  • Serve a written unsafe-condition notice specifying required corrective work, supported by a qualified electrical evaluation
  • CAccept surge protectors as a temporary remedy while the same overload continues
  • DApprove a larger service solely because the existing circuits are overloaded

Where to look it up

https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

Why B is correct

IBC 116.1-116.3 address unsafe equipment, a record of the condition, and written notice to the owner or authorized agent describing the hazard and required repairs or improvements. Electrical evaluation is needed to identify an appropriate correction; an overload finding alone does not establish that the panel or service must be replaced. Surge suppressors do not increase circuit capacity and are not a remedy for a continuing overload. This follow-up does not replace immediately necessary protective action. Sources: 2021 IBC 116.1-116.3, https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf; Texas State Office of Risk Management, Electrical Safety (outlet evaluation and power strips/surge suppressors), https://www.sorm.state.tx.us/risk-management/office-safety/office-electrical-safety/

5. The building official has determined that overloaded electrical equipment constitutes an unsafe condition and is preparing the owner notice under 2021 IBC 116.3. What must the written notice do?

  • AState that installing surge protectors alone automatically resolves the overload.
  • Describe the unsafe condition and specify the required repairs or improvements to abate it.
  • CState that every owner automatically has one year to correct any electrical hazard.
  • DOmit the unsafe condition and state only the inspection fee.

Where to look it up

https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

Why B is correct

The notice must identify the unsafe condition and specify the required corrective work. Section 116.1 requires unsafe conditions to be made safe as deemed necessary by the building official; a notice is not permission to continue an immediate hazard, and there is no universal one-year grace period. Source: 2021 IBC 116.1 and 116.3; https://core-docs.s3.amazonaws.com/documents/asset/uploaded_file/3836/Lennox/3042180/2021_International_Building_Code.pdf

45 more in the bank

Answers and explanations for these are in the app.

  • A fire alarm system in a high-rise office building is designed to provide early warning of a fire. Which of the following is a requirement for the fire alarm system to be considered functional?
  • A fire alarm system in a retail store is designed to detect smoke. Which of the following is the correct location for the smoke detectors?
  • A healthcare facility is being inspected for compliance with ventilation requirements. The inspector notes that the air exchanges in the operating rooms are below the specified level. What should the inspector do?
  • A healthcare facility is planning to install a new HVAC system. Which of the following is a requirement for the system's air distribution?
  • A healthcare facility is planning to install a new HVAC system. Which type of system is required in areas where there is a risk of cross-contamination?
  • A healthcare facility is required to have a HVAC system that complies with certain air quality standards. Which of the following is not a requirement for the HVAC system according to the 2021 IBC?
  • A healthcare facility is upgrading its HVAC system. Which of the following is a requirement for the installation of new air handling units?
  • A high-rise office building is equipped with a fire alarm system. Which of the following is a requirement for the fire alarm control unit (FACU) located in the building's basement?
  • A high-rise office building is equipped with a fire alarm system. Which of the following is a requirement for the fire alarm system's control panel?
  • A high-rise office building is equipped with a wet-pipe sprinkler system. During a routine inspection, the inspector notices that the sprinkler heads in the office spaces are not protected by a fusible link. Which of the following actions should the inspector take?
  • A high-rise office building is equipped with an automatic sprinkler system. During an inspection, the inspector finds that the sprinkler heads are not fully operational. What is the first action the inspector should take?
  • A high-rise office building is required to have a fire alarm system. Which of the following is not a requirement for the fire alarm system in this building?
  • A historic building is undergoing restoration. Which of the following is a requirement for the replacement of the building's windows?
  • A hotel is being constructed. Which of the following is a requirement for the plumbing system according to the IBC?
  • A hotel is being renovated and is updating its plumbing system. Which of the following is a requirement for the installation of backflow preventers?
  • A hotel is installing a new water system. Which type of backflow prevention device is required to prevent contamination of the drinking water supply?
  • A hotel is required to have a fire sprinkler system. What is the minimum required water flow rate for the sprinkler system according to the 2021 IBC?
  • A mixed-use building is being constructed. Which of the following is a requirement for the installation of exterior walls?
  • A multi-story apartment building is being constructed. Which of the following is a requirement for the structural design of the building according to ACI 318-19?
  • A multi-story residential building is being constructed. Which of the following is a requirement for the installation of fire-rated walls?
  • A multi-story residential building is being constructed. Which of the following is a requirement for the shear walls in the building's design?
  • A multifamily residential building is designed to withstand seismic forces. Which of the following is a common method to achieve this according to ACI 318-19?
  • A public building is being inspected for compliance with the Americans with Disabilities Act (ADA). During the inspection, the inspector notices that the automatic door at the main entrance is not functioning properly. What should the inspector do?
  • A public building is being renovated, and the inspector must ensure compliance with accessibility requirements. Which of the following is not a requirement for a ramp?
  • A public building is being renovated to improve accessibility. Which of the following is a requirement for the installation of accessible doorways?
  • A public building is required to provide accessible routes. Which of the following is not a requirement for an accessible route according to the 2021 IBC?
  • A public library is being renovated to comply with accessibility requirements. Which of the following is a requirement for the renovation according to the IBC?
  • A public library is undergoing a fire safety upgrade. Which fire suppression system is most appropriate for a document storage area?
  • A public library is undergoing an accessibility upgrade. Which of the following is a requirement for the installation of new automatic door operators?
  • A restaurant kitchen is experiencing frequent power outages. Which is the most likely cause of these outages?
  • A retail building with a total area of 50,000 square feet is required to have a minimum number of exit doors. What is the minimum number of exit doors required for this building?
  • A retail store is planning to install a new lighting system. Which of the following is a requirement for the installation of lighting fixtures in the store's parking lot?
  • A retail store is planning to install a new lighting system. Which of the following is a requirement for the lighting system according to the IBC?
  • A retail store is planning to install a new lighting system. Which of the following is a requirement for the lighting system's grounding?
  • A warehouse is required to have a fire-resistant roof. Which of the following roof coverings is not fire-resistant according to the 2021 IBC?
  • An industrial facility is being inspected for structural integrity. The inspector observes cracks in the concrete foundation. What is the next step in the inspection process?
  • An industrial warehouse is planning to install a new roof. Which of the following is a requirement for the installation of the roof's fire protection system?
  • An industrial warehouse is planning to install a new roof. Which of the following is a requirement for the roof's slope?
  • An inspector is inspecting the roofing system of an apartment building and notices water damage in the ceiling. What is the first step the inspector should take?
  • An inspector is reviewing a construction site for compliance with waste disposal regulations. The inspector finds that the waste is not being properly contained. What action should the inspector take?
  • An inspector is reviewing the energy efficiency of an office complex. The inspector finds that the building does not have any energy-efficient lighting systems. What action should the inspector take?
  • An inspector is reviewing the roof of an industrial warehouse and notices water stains on the ceiling. Which of the following could be the cause of these stains?
  • An office building is being constructed with energy efficiency in mind. Which of the following is a requirement for the building envelope according to the IBC?
  • An office building is required to have an emergency power supply. Which of the following is not a typical source of emergency power?
  • During a routine inspection of a high-rise office building, the inspector notices that the steel beams have visible corrosion. Which action should be taken immediately?

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