XI. And be it further enacted, That if any Person or Persons shall at any Time or Times obstruct, hinder, or molest any Surveyor or Surveyors, or other Officer or Officers, Person or Persons whomsoever, who are or shall be employed by the said Commissioners in the Execution of the said recited Act or this Act, every Person or Persons so offending, shall for the First Offence, forfeit the Sum of Twenty Shillings, for the Second Offence the Sum of Forty Shillings, and for the Third and every other Offence the Sum of Three Pounds. Commissioners to repair the Streets, &c. XII. And be it further enacted, That it shall and may be lawful to and for the said Commissioners to cause to be dug, carted, and carried out of, or brought into the said several Streets and other publick Passages and Places already or hereafter to be set out or made, or any of them, or any Part or Parts thereof, such Gravel, Stones and other Materials as they shall judge necessary, and may likewise cause the Ground thereof to be raised or lowered, the Course of the Channels running in or through the same to be turned or altered, new Grates to the Common Sewers to be added or replaced, and in what Numbers or Places they shall think proper, and the Water Pipes which now be or hereafter shall be said under Ground to be taken up and new laid in such Places, Manner, and Form, as they shall judge best, the Charges and Expences of taking up, altering, and relaying such Pipes to be borne and paid by the said Commissioners, but the said Commissioners shall not remove or cause to be removed any Water Pipes, without giving Notice to and advising with the Inspector or Supervisor of the Water Company to which such Pipes belong; and that the said Commissioners may likewise cause such Number of Posts to be set up and erected in or upon any of the said Streets, and other publick Passages and Places, at such Distances and in such Manner at they shall think proper, and may cause all or any of the Posts and Rails already erected, set up, and affixed, or hereafter to be erected, set up, and affixed, to be painted or repaired, and new Posts and Rails to be set up, erected, and affixed, in the Place of such of them as shall be decayed or rendered useless. Respecting Water Pipes.