East/west gridlines shall begin with number forty-one and be numbered consecutively every one-sixteenth mile south to the corporate limits. Meridian Avenue shall be referenced with a zero grid designation. North/south gridlines west of Meridian Avenue shall begin with designator number one, one-sixteenth mile west of Meridian Avenue and be numbered sequentially every one-sixteenth mile to the extent of the corporate limits on the west. North/south gridlines east of Meridian Avenue shall begin with designator number one, one-sixteenth mile east of Meridian Avenue and be numbered sequentially every one-sixteenth mile to the extent of the corporate limits on the east. (Prior code § 13.06.040.)