§ 11-4. Required conditions.
a.
The uses permitted in this district shall be those uses which are generally dependent upon raw materials first processed elsewhere.
b.
In addition to any other requirements of this ordinance, the uses permitted under this article shall be located at least 200 feet from any residential district and at least 100 feet from any business district and shall be effectively screened therefrom by appropriate solid fencing or planting or natural conditions.
c.
Where [subsection b. of this section] does not apply, all buildings shall observe front and corner side yards of 90 feet and side and rear yards of 30 feet except that where the yards are adjacent to a railroad siding, no yard shall be required. Also, one foot shall be added to each yard for each three feet that the building height adjacent thereto exceeds 40 feet or three stories, whichever is less.