7.—(1) No authorised development comprised in numbered works 1, 3 and 5 shall be commenced until written details of all proposed permanent and temporary fences, walls or other means of enclosure for that numbered work have been submitted to and approved by the relevant planning authority.
(2) Any construction sites must remain securely fenced at all times during construction of the authorised development.
(3) Any temporary fencing must be removed within three months of the completion of the authorised development.
(4) The details approved pursuant to this requirement must be implemented.