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A. Exterior Mechanical Devices. Air conditioners, heating, cooling, and ventilation equipment, pumps, and heaters, antennae, and all other mechanical devices shall be screened from surrounding residentially-zoned properties. Screening methods may include the use of building or parapet walls, sight-obscuring fencing and/or landscaping, equipment enclosures, consolidation and orientation of devices towards the center of the rooftop, and/or the use of neutral colors.

B. Required Landscaping.

1. Landscaping required by this chapter, by Chapter 18.57, and/or by condition of approval of the master plan shall be designed, installed, and maintained in accordance with Chapter 18.57. In no event shall such landscaped areas be used for storage of materials, placement of temporary signs, or parking of vehicles.

2. In place of the street frontage and residential buffers required by Chapter 18.57, the following shall be required: A landscaped area at least thirty feet (30') in width along all public street frontages, and a landscaped area at least thirty-five feet (35') in width along common property lines with residentially zoned property. When an alley separates a residential zone from a Business Park zone, there shall be a thirty-five feet (35') landscaped yard setback between the two zones.

C. Outdoor Storage. Outside storage or display of items or materials shall be prohibited unless conditionally approved by the Hearing Examiner.

D. Outdoor Lighting. Building-mounted lighting and aerial-mounted floodlighting shall be shielded from above in such a manner that the bottom edge of the shield shall be below the light source. Ground-mounted floodlighting or light projection above the horizontal plane is prohibited between midnight and sunrise. All lighting shall be shielded so that the direct illumination shall be confined to the property boundaries of the light source.

E. BP-Zoned Properties Adjacent to Residential Properties. When BP zoned property abuts any residential zone, a six foot masonry wall or wood fence shall be established and maintained on or parallel to the property line that separates the zones, except that such required wall or fence within the front yard setback area shall be no higher than four feet (4'). Additionally, required landscaping adjacent to the wall or fence shall include trees or other vegetation that will, within three (3) years of planting, exceed the height of the wall or fence.

F. Trash and Recycling Receptacles. Trash and recycling receptacles shall be screened from adjacent properties and public rights-of-way by an opaque visual barrier no lower than the highest point of the receptacles.

G. Loading Areas. Loading areas shall be set back, recessed, and/or screened so as to not be visible from neighboring streets or residentially-zoned or used properties.

H. Pedestrian Access and Circulation. Pedestrian walkways shall be constructed to provide safe, convenient, and direct access between building entrances, transit facilities, passenger loading areas, public sidewalks, adjacent properties, and pedestrian plazas. All employee and/or customer parking lots which contain more than ninety thousand (90,000) square feet of paved area or thirty thousand (30,000) square feet including driveways and traffic aisles shall include clearly defined pedestrian routes from parking areas to main building entrances. All required walkways shall meet the following minimum requirements:

1. All walkways shall be a minimum of five feet (5') wide with no encroachment permitted.

2. All walkways shall be handicapped-accessible and comply with the Washington State Barrier-Free Design Standards.

3. All walkways shall be delineated by painted marking, distinctive pavement, or by being raised a minimum of six inches (6") above the parking lot pavement.

4. Walkways within employee and/or customer parking lots shall be located along major access corridors, and located away from truck parking and loading/unloading areas whenever possible.

5. Walkways within employee and/or customer parking lots shall be integrated into interior landscape areas whenever possible, to separate pedestrian access from vehicular travel routes.

I. Public Transit Facility Location and Design. In order to reduce the use and dependence on private vehicles and associated traffic congestion, and to encourage the use of public transit, adequate provision should be made for public transit facilities and supporting improvements.

When formally recommended or requested by the local public transit authority, bus shelters, transit turnouts, and supporting facilities shall be located and designed in accordance with the following provisions:

1. Location. When required, transit facilities shall be located on or adjacent to arterial streets.

2. Access. Convenient, safe, and direct pedestrian access to and from transit facilities shall be provided between all building entrances, pedestrian plazas or walkways, and public rights-of-way in accordance with 18.41.090(H).

3. Design. All transit facilities shall be designed to the standards and specifications of the public transit authority and the city Municipal Services Department.

J. Heat, Cold, and Glare. No use except a temporary construction operation shall be permitted which creates changes in temperature or direct glare, detectable by the human senses without the aid of instruments, beyond the lot line.

K. Electrical Disturbances. No use shall be permitted which creates electrical disturbances that affect the operation of any equipment beyond the lot line.

L. Odor. No use shall be permitted which creates annoying odor in such quantities as to be perceptible, without instruments, at the boundaries of the lot in which the use is located.

M. Radioactivity. The use of radioactive materials shall be limited to measuring, gauging, and calibration devices.

N. Vibration. No use except a temporary construction operation shall be permitted which generates inherent and recurrent ground vibration perceptible, without instruments, at the boundary of the lot in which the use is located.

O. Hazardous Materials. All users of hazardous materials shall notify the city Fire Chief of the type and quantities of such materials generally on the premises. No emission which would be demonstrably injurious to human health, animal or plant life in the vicinity, on the ground or beyond any lot line on which the use is located shall be permitted. Where such an emission could be produced as a result of accident or equipment malfunction, adequate safeguards consistent with industry standards and applicable regulations shall be implemented. This provision shall not be interpreted to prohibit the use of herbicides or pesticides. All hazardous waste materials shall be transported to the site of disposal certified by appropriate state and federal agencies for disposal of hazardous waste.

P. Solid Waste Processing, Storage, and Disposal. Processing, storage, and disposal of solid waste shall be subject to all applicable provisions of this chapter, and shall comply with all local, state, and federal requirements. All solid waste materials shall be disposed of at an official landfill waste disposal site or recycling center. No such material shall be disposed of on the premises.

Q. Liquid Waste Processing, Storage, and Disposal. No liquid waste materials except pure water may be permanently disposed of on site; however, where such materials are temporarily stored on the property, they shall be contained in a manner so as to prevent their entry into the surface water drainage system and/or any groundwater aquifer. (Ord. 2949, 4/14/20; Ord. 2144, 12/9/03)