Sec. 30-31. Same -- Exception; maximum paving permitted; tree basins.

(a) Parkways adjacent to any lot or parcel, of which the maximum width measured perpendicular to the street is less than forty-two inches, may be paved with approved materials to city specifications in any zoning district without a parkway paving permit, but shall require an encroachment permit as provided for by article V of this chapter.

(b) Parkways forty-two inches in width or wider measured perpendicular to the street may not be paved unless and until a parkway paving permit has been issued therefor by the superintendent of streets.

(1) In all residential zoning districts except the R-4 district, the permissible parkway paving area shall not exceed ten percent of the total parkway area; and the total parkway area as herein used shall not include driveway area and intersectional walk area required by the city for pedestrian convenience.

(2) In the R-4 zoning district the permissible parkway paving area shall not exceed fifty percent of the total parkway area; and the total parkway area as herein used shall not include driveway area and intersectional walk area required by the city for pedestrian convenience.

(3) In commercial and industrial zoning districts the entire parkway or any portion thereof may be paved.

(c) Basins for existing trees and for trees to be installed during the next planting season shall not be paved. (Ord. No. 1008 (NCS), § 4; Ord. No. 1093 (NCS), § 1.)