CITB Building Regulations and Standards 5

Question 1

Which document provides guidance on staircase design, including riser and going dimensions, under Building Regulations?

Accepted Answer

Approved Document K

Answer

Approved Document K (Protection from Falling, Collision and Impact) includes guidance on stair design, including maximum riser heights and minimum going dimensions.

Question 2

What is the maximum pitch allowed for a staircase in a new dwelling under Approved Document K?

Accepted Answer

42°

Answer

Approved Document K limits the pitch of a private stair in a dwelling to a maximum of 42°.

Question 3

Under Building Regulations, which of the following requires a mandatory Overheating Assessment for new residential buildings?

Accepted Answer

Approved Document O

Answer

Approved Document O (Overheating) requires new residential buildings to demonstrate mitigation against overheating through modelling or the simplified method.

Question 4

What is the Building Regulations requirement for a smoke alarm in a new single-storey dwelling?

Accepted Answer

Mains-wired interlinked alarms on each storey

Answer

Building Regulations require mains-wired, interlinked smoke alarms on each storey of a new dwelling, conforming to Approved Document B.

Question 5

Which of the following is exempt from requiring Building Regulations approval?

Accepted Answer

A detached garden shed under 15m² with no sleeping accommodation

Answer

A detached outbuilding such as a shed under 15m² with no sleeping accommodation is exempt from Building Regulations approval.

(CITB) Construction Industry Training Board Practice Test

(CITB) Construction Industry Training Board Practice Test

CITB Building Regulations and Standards 5