Paragraph 21 Apparatus in closed streetsI1

Regardless of the temporary closure or diversion of any street under the powers conferred by article 17 (public rights of way – stopping up and vehicular use on public rights of way), Southern Water is at liberty at all times to take all necessary access across any such closed street and to execute and do all such works and things in, upon or under any such street as may be reasonably necessary or desirable to enable it to maintain any apparatus which at the time of the closure or diversion was in that street subject to serving 7 days’ notice on the undertaker (save in cases of emergency).