law: 327. Commissioner to take steps for repairing or enclosing dangerous places.
  (1) If any place is, in the opinion of the Commissioner, for want of sufficient repair or protection or enclosure, or owing to some work being carried on thereupon, dangerous or causing inconvenience to passengers along a street or to other persons including the owner or occupier of the said place, who have legal access thereto or to the neighbourhood thereof, the commissioner may by notice in writing require the owner or occupier of such place to repair, protect or enclose the same or take such other step as shall appear to the Commissioner necessary in order to prevent the danger or inconvenience arising therefrom.
  (2) The Commissioner may before giving any such notice or before the period of any such notice has expired, take such temporary measures as he thinks fit to prevent the danger or inconvenience arising therefrom; and any expense incurred by the Commissioner in taking such temporary measures shall be recoverable from the owner or occupier of the place as an arrear of tax under this Act.