for every such Offence. XXXV. Provided always, and be it further enacted, That no Person shall be subject to any Penalty on account of any Rubbish, Building Materials, or Scaffolding, being necessarily deposited or fixed in or upon any Footway or Carriageway, before any House or Building which shall be pulling down, rebuilding, or under Repair, so that the same be properly enclosed, and convenient Space left for Carriages to pass and repass with ease and Safety, and so that a sufficient Light be kept up and maintained there from Sun-set to Sun-rise, to prevent Accidents, and so that all such Rubbish, Building Materials, Enclosures, and Scaffolding respectively, be removed within a reasonable Time after such pulling down, rebuilding, or repairing shall be finished, or upon Notice signed by the Clerk to the said Trustees, and given to the Owner or Occupier of the House or Building which shall be so pulling down, rebuilding, or under Repair, or affixed upon some conspicuous Part of such House, Building, Enclosure, or Scaffolding: Provided also, that in case any Person or Persons so depositing or affixing or causing to be deposited or affixed any such Rubbish, Building Materials, or Scaffolding as aforesaid, in or upon any of the said Footways or Carriageways as aforesaid, shall not properly enclose the same, and leave convenient Space for Carriages to pass and repass with Ease and Safety as aforesaid, and also keep up a good and sufficient Light there from Sun-set to Sun-rise, so as to prevent Accidents, or shall not remove any such Rubbish, Building Materials, or Scaffolding upon such Notice as aforesaid, every Person making default in any of the Cases aforesaid shall forfeit and pay a Sum not exceeding Ten Pounds. XXXVI. And be it further enacted, That it shall be lawful for any Officer or Person employed in the Execution of this Act, without any other Warrantor Authority than this Act, to seize and detain, and for any other Person or Persons to assist in seizing and detaining any unknown Person or Persons who shall commit any Offence punishable under this Act, and to take such Offender or Offenders before a Justice of the Peace, in order to his or her Conviction for such Offence. XXXVII. And be it further enacted, that if any Person or Persons shall obstruct, hinder, or molest the said Trustees or any of them, or any Officer or other Person whomsoever, who shall be employed or acting in the Execution of this Act, in the Performance of any Act, Matter, or Thing to be done by virtue of or under the Authority of this Act, or if any Person or Persons who shall be summoned to give Evidence before any Justice of the Peace touching or concerning any Offence or Matter punishable under this Act, shall not attend pursuant to such Summons, nor produce a sufficient Excuse to the Satisfaction of such Justice for his Non-attendance, every Person or Persons so offending shall for every such Offence forfeit and pay a Sum not exceeding Ten Pounds.