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(a) Intent.
(1) Encourage community outdoor lighting practices that will promote personal safety and crime prevention.
(2) Eliminate glare onto neighboring property or street rights-of-way.
(3) Limit light trespass over a property line onto residential property.
(b) Lighting standards required for forms.
(1) The following lighting standards apply to all MD, NF, BCF, UT, RE, and WM forms.
A. Methods to achieve intent.
1. Outdoor lighting fixture height. The height of all outdoor lighting fixtures when located within 150 feet of residentially used or zoned property shall not exceed 28 feet above the grade immediately below the lighting fixture. The height of all outdoor lighting fixtures located more than 150 feet off all DD and AD forms shall not exceed 38 feet above the grade immediately below the lighting fixture.
2. Light trespass.
a. The maximum light level shall be no greater than three foot candles measured three feet zero inches above grade at the property line for all MD, NF, BCF, RE, WM, OPEN, and UT forms adjacent to all DD and AD forms.
b. Fully shielded (cutoff) light fixtures shall be required when luminaires are greater than 2,220 lumens and located within 150 feet of all DD and AD forms, or when luminaires are greater than 2,220 lumens and located within 150 feet of a street right-of-way.
3. Canopy glare. Canopy lights shall contain fully shielded (cutoff) light fixtures to prevent glare onto adjacent property or street rights-of-way, except for focus lighting.
4. Light color. Low-pressure sodium light sources have low color rendition and are not permitted light sources.
(c) Exemptions, amendments, and nonconforming lighting.
(1) Exemptions. The following outdoor lighting fixtures are exempt from these lighting standards:
A. Outdoor recreation facilities.
B. Illuminated flags or statues.
C. Airport runways.
D. Telecommunication towers.
E. Broadcast towers.
F. Historic period lighting in historic districts.
(2) Amending approved lighting plans: lamp or fixture substitution. Should any outdoor lighting fixture or the type of light source therein be changed after the permit has been issued, a change request must be submitted to the zoning officer for his or her approval, together with adequate information to assure compliance with this Code, which must be received prior to substitution.
(3) Nonconforming lighting. All outdoor lighting fixtures lawfully installed prior to September 28, 2006, are exempt from all requirements of this Code.
(1992 Code, App. B, § 15.49.130) (Ord. 42-83, passed 6-27-1983; Ord. 115-99, passed 11-1-1999; Ord. 23-02, passed 4-1-2002; Ord. 106-06, passed 9-5-2006; Ord. 129-07, passed 8-6-2007; Ord. 9-13, passed 3-19-2013)
ADDITIONAL YARD REGULATIONS
(a) Separation distance measurements shall have the following start and stop locations. All distances in the Zoning Ordinance that include a standard for separation distances of forms or uses shall be measured from the closest point of the outside wall of the proposed use to the closest point of the property line for the land uses requiring separation.
(b) Distances are measured horizontally. When determining distances for setbacks and structure dimensions, all distances are measured along a horizontal plane from the appropriate property line, edge of building, structure, storage area, parking area, or other object. These distances are not measured by following the topography of the land.
(c) All numbers shall be rounded to the nearest whole number except for bulk regulations which should be rounded to the nearest one-tenth of an inch.
(Ord. 9-13, passed 3-19-2013)
Where a lot or tract includes a BCF, RE, WM, UT, or MD form, more than one main building all with the same form may be located upon the lot or tract but only when the buildings provide reasonable access to each of the buildings and conform to all open space and setback requirements around the lot and between each of the buildings for the form.
(Ord. 9-13, passed 3-19-2013; Ord. 23-16, passed 4-5-2016)
(a) Any detached accessory building located closer than ten feet to the main building shall provide the same setbacks as the main building.
(b) Detached accessory buildings located ten feet or more from the main building and setback 60 feet from all front property lines may be erected within two feet or more from the side and rear property lines.
(c) On corner lots where the 60 feet can only be maintained from one front property line, detached accessory buildings may be located two feet or more from a side property line and five feet or more from a rear property line. For purposes of determining the placement of detached accessory buildings on corner lots, the side property line shall be the property line running perpendicular to the street from which the 60 feet requirement is obtained. Detached accessory buildings less than 15 feet from the rear property line shall provide a front yard as exists for the lot adjacent thereto, provided, however, the depth of the detached accessory building need not be reduced to less than 22 feet.
(d) In all cases, detached accessory buildings shall not occupy more than 30% of the rear yard.
(e) A garage which is entered directly from an alley shall not be closer than ten feet to the alley.
(f) A residential accessory building may not be located in a buffer yard.
(1992 Code, App. B, § 15.51.050) (Ord. 42-83, passed 6-27-1983; Ord. 44-86, passed 5-19-1986; Ord. 49-09, passed 6-1-2009; Ord. 9-13, passed 3-19-2013)
In DD1, DD2, DD3, DD4, and all AD forms, front yard setbacks may be averaged when adjacent existing structures have a front yard setback that is the same or less than the minimum required setback. In these situations, the required setback may be the average of the existing lot setbacks that are on both sides of the site. (See figure below.) The following rules apply in calculating the average:
(a) The front yard setbacks used for the calculations must be for the same type of structure that is being averaged.
(b) Only the front yard setbacks on the lots that abut each side of the site and are on the same side of the street may be used. Front yard setbacks across the street or along a different street may not be used.
(c) When one abutting lot is vacant or if the lot is a corner lot, then the average is of the front yard setback of the nonvacant lot and the minimum required front yard setback of the forms within the designated zoning district.

(Ord. 9-13, passed 3-19-2013)
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