A. Property and buildings in the I-3 heavy industrial district shall be used only for the following purposes:
1. Any use permitted in the C-3 highway and open display commercial district and the I-1 restricted manufacturing and warehousing district, provided that no dwelling uses shall be permitted, except for sleeping facilities for caretakers and night watchmen on the premises.
2. Cement, lime, or gypsum manufacture.
3. Concrete batch plant or transit mix plant.
4. Natural gas production and distribution.
5. Horse and livestock sale barn.
6. Salvage yards for automobiles, building materials, scrap metal, junk or any other kind of salvage; provided, however, that all salvage operations shall be so screened by ornamental walls, fences or evergreen planting that it cannot be seen by a person standing at ground level at any place immediately adjacent to the lot on which the salvage operation is located.
7. Private wind energy conversion systems (PWECS).
8. Marijuana processing and testing facility. (Ord. 1997-13, 9-4-1997; amd. Ord. 2022-19, 7-5-2022)