XV. Provided always, and be it further enacted, That nothing herein-before contained shall hinder or prevent any Person from erecting or building any Hoard, or other Thing by way of Inclosure, for the Purpose of making Mortar, or depositing Bricks, or Stone, or working any Lime, Sand, or other Materials used in Building, or to subject him to any Penalty on account thereof, provided such Person shall have a Licence for that Purpose, under the Hand of the Surveyor to the said Commissioners (which Licence such Surveyor is hereby required forthwith to grant to any Person applying for the same, and for which he shall receive the Sum of One Shilling, and no more): Provided nevertheless, that if any Person shall erect any such Hoard or Inclosure of greater Dimensions, or shall suffer any Hoard or Inclosure to remain for any longer Time than shall be allowed in and by such Licence, every Person so offending shall for every such Offence forfeit and pay any Sum not exceeding Five Shillings for every Day such Hoard or Inclosure, or any Part thereof, shall be continued after Notice given by the Surveyor to take down and remove the same. Watchman to be appointed. XVI. And be it further enacted, That the said Commissioners may, and are hereby authorized and empowered, from Time to Time, to appoint such Number of Watchmen, to be employed within the Limits of this Act, for so long Time in the Night, under such Regulations, and for such Wages, as they shall think proper, and to provide proper Boxes or Places for their Reception, and also proper Arms and Weapons for the Discharge of their Duty; and if any Watchman appointed as aforesaid shall refuse or neglect to perform his Duty, or shall in anywise misbehave himself in the Execution of his Office, he shall forfeit and pay, for every such Offence, any Sum not exceeding Ten Shillings. Duty of Watchmen.