Streets or drains not to be broken up except under superintendence of persons having control of same

No such street, bridge, sewer, drain or tunnel shall, except in the cases of emergency aforesaid, be opened or broken up, except under the superintendence of the persons having the control or management thereof, or of their officers, and according to such plan as shall be approved of by such persons, or their officers, or in case of any difference respecting such plan, then according to such plan as shall be determined by a Magistrate; and a Magistrate may, on the application of the persons having the control or management of any such sewer or drain, or their officer, require the said Company to make such temporary or other works as they may think necessary for guarding against any interruption of the drainage during the execution of any works which interfere with any such sewer or drain: If persons having control, etc., fail to superintend, Company may proceed. Provided always that, if