CITB Building Regulations and Standards 3 — Questions and Answers
Question 1: Which Approved Document provides guidance on protection against moisture from the ground, rain, and interstitial condensation?
- Approved Document B
- Approved Document C (Correct answer)
- Approved Document E
- Approved Document F
Correct answer: Approved Document C
Approved Document C (Site Preparation and Resistance to Contaminants and Moisture) covers protection against moisture from ground, rain, and condensation.
Question 2: What minimum height is required for a protective barrier at the edge of a raised floor or balcony in a new building under Approved Document K?
- 900mm
- 1000mm
- 1100mm (Correct answer)
- 1200mm
Correct answer: 1100mm
Approved Document K requires protective barriers at the edges of raised floors and balconies to be at least 1100mm high.
Question 3: Under the Building Regulations, who is legally responsible for ensuring that building work complies with the regulations?
- The local planning authority
- The building control body
- The person carrying out the work (Correct answer)
- The structural engineer
Correct answer: The person carrying out the work
The legal responsibility for ensuring building work complies with Building Regulations rests with the person carrying out the work.
Question 4: Approved Document E relates to which aspect of building performance?
- Energy efficiency
- Electrical safety
- Resistance to the passage of sound (Correct answer)
- Emergency lighting
Correct answer: Resistance to the passage of sound
Approved Document E covers resistance to the passage of sound between rooms and between adjacent buildings.
Question 5: What is the minimum U-value (W/m²K) required for an external wall in a new dwelling under Part L of the Building Regulations?
- 0.35
- 0.30
- 0.25 (Correct answer)
- 0.18
Correct answer: 0.25
The current Building Regulations require external walls in new dwellings to achieve a maximum U-value of 0.25 W/m²K under Approved Document L.
Question 6: Which type of private building control inspector can be used as an alternative to local authority building control?
- Chartered surveyor
- Approved Inspector (Correct answer)
- Planning consultant
- Structural engineer
Correct answer: Approved Inspector
An Approved Inspector is a private sector building control body that can be used as an alternative to local authority building control.
Question 7: Under Approved Document B, what is the maximum travel distance to an exit in a single-direction escape route in an office building?
- 15m
- 18m
- 25m (Correct answer)
- 45m
Correct answer: 25m
Approved Document B limits travel distance to 25m where there is only one direction of escape in an office building.
CITB Building Regulations and Standards 3
Which Approved Document provides guidance on protection against moisture from the ground, rain, and interstitial condensation?