The width of the block under normal conditions shall be sufficient to allow for two tiers of lots with easements. One tier of lots shall be provided between a local access street and an arterial. Blocks intended for business or industrial use should be of suitable width for the proposed use, taking due consideration for providing off-street parking and truck loading. [Ord. 3398 § 2, 1999; Code 1970 § 26.16.020.]