25 Pa. Code § 106.12
(d) Each application for a permit shall be accompanied by the following information, maps, plans, specifications, design analyses, test reports and other data and additional information as may be required by the Department to determine compliance with this chapter:
(4) A hydrologic and hydraulic report which shall include:
(g) Plans, specifications, and reports accompanying applications for highway obstructions or obstructions shall be affixed with the seal of a registered professional engineer, architect, land surveyor, landscape architect or other person licensed by the Commonwealth to provide the professional service required for the specific project and his certification, which shall read as follows:
‘‘I (name) do hereby certify to the best of my knowledge, information and belief, that the information contained in the accompanying plans, specifications, and reports has been prepared in accordance with accepted professional practice, is true and correct, and is in conformance with Chapter 106 of the rules and regulations of the Department of Environmental Protection.’’