(A) Blocks generally shall not be less than 500 feet or more than 1,320 feet in length as measured from centerlines of streets. No block width shall be less than twice the normal lot depth except where lots back onto a major street, natural feature or subdivision boundary. A block shall be designed so as to provide 2 tiers of lots, except where the lots back into a major street, natural feature, subdivision boundary or other feature or facility which necessitates reverse frontage.
(B) In blocks exceeding 800 feet in length the Planning Commission may require reservation of a 20-foot wide easement through the block to provide for the crossing of underground utilities and/or pedestrian traffic where needed or desirable, and may specify further, at its discretion, that a paved foot path, be provided by the proprietor. Blocks intended for nonresidential uses shall be especially designed for such purposes, and in accordance with Zoning Ordinance provisions, In such cases the above dimensions do not apply.
(1984 Code, § 5.555)