Liability. The provisions of this chapter shall not be construed as relieving or limiting in any way the responsibility or liability of any person, firm or corporation, erecting or owning any sign, or resulting from the negligence or willful acts of such person, firm or corporation, its agents, employees or workmen, in the construction, maintenance, repair or removal of any sign erected in accordance with a permit issued hereunder; nor shall issuance of such permit be construed as imposing on the Borough or its officers or employees, any responsibility or liability by reasons of approval of any sign's structural integrity, construction methods, materials, electrical or mechanical devices or other components which shall be the sole responsibility of the person, firm or corporation erecting, owning, repairing or removing such sign.