Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 22·3.4
Stair Pitch Control and Measurement
The pitch of a stair flight is controlled by limiting the rise and going dimensions. The pitch line is a notional line connecting the nosings of all treads, and angle of pitch is measured as shown in the diagram.
The pitch of a flight is controlled by limiting the rise and the going. Diagram 3.1 shows how to measure the pitch and what is meant by the pitch line. Diagram 1.1 shows how to measure the rise and going (for steps with tapered treads see also paragraph 3.20). pitch line - a notional line connecting the nosings of all treads in a flight
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