SECTION 28-22 INSTALLATION OF PART OF IMPROVEMENTS – The owner of a tract may prepare and secure approval of a preliminary plat for the entire tract and may install the required improvements in only a portion of such tract, but the improvements in any portion of the area for which a final plat is approved for recording must be installed or provisions made for their installation provided, however, that any water mains, storm sewers, trunk sewers and any sewage treatment plants shall be designed to serve the entire tract to be subdivided.

SECTION 28-23 MONUMENTS AND MARKERS – Monuments shall be of concrete with a diameter of not less than 6” and 36” long, with a copper dowel 3/8” in diameter, at least 2 ½ “ in length embedded so that the top of the dowel shall be not more than ¼” above the surface and at the approximate center of the monument.

Monuments shall be set so that the top is level with the established grade adjoining it and placed so that the marked point on the metal center shall coincide exactly with the intersection of street property lines, (or street center lines) the intersection of all angles in the boundary line and at the beginning and ending of all curves along streets on the inside street lines.

Lot corners not marked by concrete monuments as required above, shall be marked by galvanized or wrought iron pipe, or iron or steel bars at least two feet in length and not less than 5/8” in diameter, the top of the pipe or bar to be set level with the established grade of the ground adjoining it.

Any other types of monuments and markers must be approved by the City Engineer.

SECTION 28-24 STREETS AND ALLEYS, PAVING – Streets and alleys shall be graded, surfaced an improved to dimensions required by this Ordinance or other ordinances of the city. Streets and alleys shall be paved with asphaltic concrete, cement concrete or other approved material, in accordance with the then applicable standards of the Board of Public Works and Safety.

Streets shall be paved to a width of 27 feet back to back between curbs; alleys to a width of 12 feet except that where the subdivision is located beyond the corporate limits and contains lots with an area of not less than 15,000 square feet and a width of not less than 100 feet at the building line, the width of the pavement need not exceed 22 feet and no curb and gutter need be constructed. Where only half of the street is dedicated, the pavement need not exceed 16 feet in width.

Where the subdivision is located beyond the corporate limits, the Board of County commissioners of Delaware County shall exercise the same authority as the Board of Public Works and Safety.