(1) Prior to the issuance of a development permit and prior to commencement of improvement work, plans and specifications for all public improvements shall be prepared by a professional engineer registered in the State of Oregon in accordance with the design and improvement standards of this Code, and shall be submitted to and reviewed by the City Engineer, except water system plans which shall be submitted to and reviewed by the Medford Water Commission.

(2) All public improvements shall be constructed and completed under the inspection of and with the approval of the City Engineer.

(3) Without limiting the foregoing, and using City data, public improvement plans shall include typical cross sections and proposed finished grades of all streets together with a profile showing the relationship between finished grade and existing ground elevations, and the lengths, sizes, grades, and type of all pipes, culverts, and other structures.

(4) Public improvement plans and specifications shall contain performance data reviewed by the developer's engineer demonstrating compliance with all design requirements of this Code. City and Water Commission personnel who check and/or approve public improvement plans and specifications are authorized to accept such performance data at face value without independently verifying the accuracy thereof.

(5) Public improvement plans and specifications for shared-use paths shall also include the location of the centerline of the path on the final construction drawings that is substantially consistent with the location approved in the land use review. A landscape and irrigation plan, if applicable, shall be prepared by an Oregon licensed landscape architect and submitted with the final construction drawings. In the case of a City-initiated shared-use path, the landscape plan may be prepared by Parks Recreation and Facilities Department staff.