Paragraph 41

Where any street is temporarily closed or restricted under the powers of article 15 (Temporary closure or restriction of streets and public rights of way) , National Gas is at liberty at all times to take all necessary access across any such temporarily closed or restricted street and to execute and do all such works and things in, upon or under any such streets may be reasonably necessary or desirable to enable it to maintain any apparatus which at the time of the temporary closure or restriction was in that street.