A. The industrial zoning districts are the LI and HI zones. Properties in industrial zoning districts are regulated based on their primary use as set forth in the use matrix set forth in section 17-4-2.
B. Purpose.
1. Light industrial (LI). The light industrial (LI) zone provides for manufacturing, processing, research, science, engineering, wholesale trade, services, general commercial, institutional and retail sales.
2. Heavy industrial (HI). The heavy industrial (HI) zone provides for manufacturing, processing, research, science, engineering, and wholesale trade.
C. Design standards. See Chapter 17-8 (multi-family, commercial, and industrial design standards).
D. Storage. Outdoor storage must be screened on all sides by opaque fencing and solid gates. In the LI zone, outdoor storage areas are only permitted as an accessory use and the total area may not exceed 20% of the floor area of the parcel's buildings.
E. The following development standards apply in the industrial zones.
Development standard | LI | HI |
Site area (minimum) | One acre (no minimum lot size) | One acre (no minimum lot size) |
Floor area ratio (maximum) | 0.75 | 1.00 |
Site setbacks (minimum) 
| Residential street – 50 ft. | Residential street – 50 ft. |
Non-residential street – 20 ft. | Non-residential street – 20 ft. | |
Where abutting a residentially-zoned parcel—30 ft. or the height of the building, whichever is greater, and the entire setback shall be landscaped | Abutting a residentially-zoned parcel—30 ft. or the height of the building, whichever is greater | |
All other situations – 15 ft. | All other situations—15 ft. | |
Building height (maximum) | 50 ft. | 55 ft. |
Lot coverage | No maximum | No maximum |
When commercial or industrial development is adjacent to AG, RA, ER, NR, and GR zones or groups, side and rear setbacks must equal or exceed the height of the primary building on the site. See 17-8-2(B)(6).