Paragraph 4 Apparatus in temporarily closed streets
Regardless of the temporary prohibition or restriction of use of streets under the powers conferred by article 16 (temporary prohibition or restriction of use of streets and public rights of way), an affected undertaker is at liberty at all times to take all necessary access across any such street and to execute and do all such works and things in, upon or under any such street as may be reasonably necessary to enable it to maintain any apparatus which at the time of the prohibition or restriction was in that street.