All immobilized mobile homes shall be placed on either a reinforced concrete pad at least 14 feet wide by 80 feet long, two reinforced concrete runners four feet wide by 80 feet long or on concrete piers approved by the Village Board. The concrete pads shall consist of four inches of reinforced concrete or six inches of concrete. A concrete footing is optional. All piers and footings for immobilized mobile homes shall comply with this code. Expandable units shall be provided with approved piers or their equivalent at each corner of the units.
(`92 Code, § 23-2-5)