Paragraph 1

In the case of face workings where props are used–

(a)

the maximum distance between props in the same row shall be 1.2 metres;

(b)

the maximum distance between adjacent rows of props shall be 1.2 metres;

(c)

the sum of the distances between props in the same row and between adjacent rows of props shall not exceed 2.1 metres;

(d)

bars shall always be used above the props where the extracted height exceeds 0.6 metres; and

(e)

the maximum distance between the row of props closest to the face and the face shall be–

(i)

where an armoured conveyor is used and persons do not normally work on the face side of the conveyor, 2 metres, and

(ii)

in all other cases when filling or loading at the face has been completed, 0.9 metres.