XI. And be it further enacted, That the said Commissioners may from Time to Time, if they think proper, contract and agree with any Person or Persons for the doing and performing all or any of the Works by this Act authorized or directed to be done and performed; and in case any of the Works to be done and performed by any such Contractor shall not be well and sufficiently done and performed according to such Contract, the said Commissioners may cause an Action to be brought, in any of His Majesty’s Courts of Law at _Westminster_, in the Name of their Clerk, against any such Contractor for any Penalty contained in his Contract; and on Proof of the signing of the said Contract, and Nonperformance thereof, the said Commissioners shall be entitled to, and shall recover the Penalty contained in such Contract: Provided always, that it shall be lawful for the said Commissioners (if they think fit) to compound and agree with any Contractor for any Penalty incurred by him, for the Breach or Nonperformance of any such Contract, for such Sum of Money as the said Commissioners shall think proper, not being less than the Injury or Damage sustained by the Breach or Nonperformance of such Contract, and of all Costs, Charges, and Expences which shall be occasioned thereby. Incroachments to be removed. XII. And be it further enacted, That the respective Occupiers of Houses and other Buildings within the several Streets, and other publick Passages and Places aforesaid, shall, at their own Costs and Charges, within such Time and in such Manner as the said Commissioners shall from Time to Time (by Notice in Writing under their Hands, to be delivered to such respective Occupiers, or left at their respective Dwelling Houses) order and direct, cause all Signs belonging to, and which shall not be fixed or placed flat upon such respective Houses or other Buildings, to be taken down, and fixed or placed flat on the Fronts thereof; and all Sign Irons, Sign Posts, and other Posts, Penthouses, Spouts, Steps, Shop Windows and Cellar Windows, and other Incroachments, Obstructions, Projections, and Annoyances, which now or hereafter shall belong to such respective Houses or other Buildings, and which are or shall be incommodious to Foot Passengers, to be removed, altered, or reformed, and also to cause the Water to be conveyed from the Roofs, Cornices, and Penthouses of or belonging to such respective Houses or other Buildings, by proper and sufficient Pipes or Trunks, to be affixed to the Sides of such Houses and other Buildings respectively, and from thence by proper Drains into the common Drains or Sewers; and in case any such Occupier shall neglect or refuse so to do, it shall be lawful for the Commissioners to cause the same to be done, and to cause all the Costs and Charges attending the same to be levied by Distress and Sale of the Goods and Chattels of such Occupier, by Warrant under the Hand and Seal