The following performance standards apply to any commercial or light industrial use in the AG-I zone, and are in addition to other applicable standards.

A. Lighting. Lighting, including permitted illuminated signs, shall be designed and arranged to avoid:

1. Glare or reflection onto any residential use not on the same property;

2. Conflicts with the readability of traffic signs and control signals;

3. Interference with motor vehicle or bicycle traffic on roads.

B. Storm Drainage. Any light industrial or commercial development shall have effective storm drainage, as follows:

1. Stormwater runoff may not cause any measurable increase in peak runoff levels in the receiving drainage way.

2. All drainage plans shall be designed by an engineer, licensed in the State of Washington, to handle stormwater runoff for a 25-year storm event.

3. All stormwater drainage improvements shall be completed prior to issuance of an occupancy permit for the use. Stormwater runoff shall be treated in oil-water separators, grass-lined biofiltration swales, or by other best management practice methods prior to discharge from the site.

4. Any development site that disturbs five or more acres must have a general permit from the Washington State Department of Ecology prior to construction of the stormwater drainage system, unless the Department of Ecology provides otherwise.

C. Building and Yard Maintenance.

1. All buildings and grounds shall be maintained in a neat and orderly manner. Any required landscaping shall be maintained in healthy condition, and any dead or unhealthy landscape plants shall be removed and replaced with healthy specimen during the appropriate planting season.

2. Any structure, building, fence or wall shall be kept free of rust, corrosion, peeling paint and other surface deterioration.

3. Except as specifically permitted by other applicable laws, development may not emit or cause excessive smoke, dust, glare, odors, vibration, noise, hazards, or air pollution or water pollution that jeopardizes the general public’s safety and welfare, or injures any human, animal or plant life, or any property.

D. Noise. Every development shall comply with Chapter 173-60 WAC, Maximum Environmental Noise Levels. Procedures for measuring sound levels shall be as described in Chapter 173-58 WAC, Sound Level Measurement Procedures.

The following noise sources are exempt from this subsection:

1. Devices which are utilized solely for warning, safety or emergency purposes and whose use is temporary and infrequent;

2. Transient noises of moving sources such as automobiles, trucks, airplanes and railroads, except as provided in CCC 10.25.050(P);

3. Aircraft noise that is regulated under federal or state law;

4. Sources and activities not under the direct control of the site operator or owner.

E. Air Emissions. All emissions to the air shall comply with Chapter 70.94 RCW, the regulations thereunder, and the rules and standards of the Southwest Air Pollution Control Authority.

F. Explosive Materials. The storage or manufacture of explosive materials is prohibited.

G. Flammable Solids. The storage or manufacture of flammable solids is prohibited.

H. Glare. Lighting shall be directed, shielded or screened so that it will not be directly or indirectly cast into adjacent or nearby residential areas, or hinder motorists on public or private roads.

I. Monitoring Equipment. The Director or Planning Commission may require the owner or operator of a development to install and operate instruments to monitor or control noise, glare, heat, air pollution, smoke, hazardous substances or vibration. [Ord. 94-005, § 33, 1-3-94.]