Paragraph 10 I1

Northern Ireland

In the case of roadways where rockbolts are used as the principal support—

(a)

the minimum density of rockbolts in the roof shall be 1 bolt per square metre;

(b)

the minimum length of rockbolt in the roof shall be 1.8 metres; and

(c)

the maximum distance between the last completed row of rockbolts and the face shall be 3.5 metres.

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