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Site Design Review is required for the following types of project proposals.

A. Commercial, Industrial, Non-Residential, and Mixed Uses. Site Design Review applies to the following types of non-residential uses and project proposals, including proposals for commercial, industrial, and mixed-use projects, pursuant to section 18.5.2.030 Review Procedures.

1. New structures, additions, or expansions in C-1, E-1, HC, CM, and M-1 zones.

2. New non-residential structures or additions in any zone, including public buildings, schools, churches, and similar public and quasi-public uses in residential zones.

3. Mixed-use buildings and developments containing commercial and residential uses in a residential zoning district within the Pedestrian Place Overlay.

4. Any exterior change, including installation of Public Art, to a structure which is listed on the National Register of Historic Places or to a contributing property within an Historic District on the National Register of Historic Places that requires a building permit.

5. Expansion of impervious surface area in excess of ten percent of the area of the site, or 1,000 square feet, whichever is less.

6. Expansion of any parking lot, relocation of parking spaces on a site, or any other change that alters or affects circulation onto an adjacent property or public right-of-way.

7. Any change of occupancy from a less intense to a more intensive occupancy, as defined in the building code, or an change in use that requires a greater number of parking spaces.

8. Any change in use of a lot from one general use category to another general use category, e.g., from residential to commercial, as defined in the zoning regulations of this ordinance.

9. Installation of mechanical equipment not fully enclosed in a structure and not otherwise exempt from site design review per section 18.5.2.020.C.

10. Installation of wireless communication facilities in accordance with section 18.4.10.

B. Residential Uses. Site design review applies to the following types of residential uses and project proposals, pursuant to section 18.5.2.030, Review Procedures:

1. Two or more dwelling units on a lot in any zoning district, including the addition of an accessory residential unit unless exempt from site design review per subsection 18.2.3.040.A.

2. Construction of attached (common wall) single-family dwellings (e.g., townhomes, condominiums, rowhouses) in any zoning district.

3. Any exterior change, including installation of public art, to a structure individually listed on the National Register of Historic Places that requires a building permit.

4. Any change to off-street parking or landscaping in a residential development where such parking or landscaping is provided in common area (e.g., shared parking) and is approved pursuant to chapter 18.3.9, Performance Standards Option and PSO Overlay.

5. Any change in use that requires a greater number of parking spaces.

6. Installation of mechanical equipment not fully enclosed in a structure and not otherwise exempt from site design review per subsection 18.5.2.020.C.

7. Installation of wireless communication facilities (e.g., accessory to a residential use), in accordance with chapter 18.4.10.

C. Exempt from Site Design Review. The following types of uses and projects are exempt from site design review:

1. Detached single-family dwellings and associated accessory structures and uses.

2. Accessory residential units meeting the requirements of subsection 18.2.3.040.A.

3. Land divisions and property line adjustments, which are subject to review under chapter 18.5.3.

4. The following mechanical equipment:

a. Private, noncommercial radio and television antennas not exceeding a height of 70 feet above grade or 30 feet above an existing structure, whichever height is greater, and provided no part of such antenna shall be within the setback yards required by this chapter. A building permit shall be required for any antenna mast or tower over 50 feet above grade or 30 feet above an existing structure when the same is constructed on the roof of the structure.

b. Not more than three parabolic disc antennas, each under one meter in diameter, on any one lot or dwelling unit.

c. Roof-mounted solar collection devices in all zones, with the exception of E-1 and C-1 zoned properties located within designated historic districts. The devices shall comply with solar setback standards described in chapter 18.4.8 and the height standards of the respective zoning district.

d. Roof-mounted solar collection devices on E-1 and C-1 zoned properties located within designated historic districts if the footprint of the structure is not increased, the plane of the system is parallel to the slope of the roof and does not extend above the peak height of the roof or existing parapets, or is otherwise not visible from a public right-of-way. The devices shall comply with solar setback standards described in chapter 18.4.8 and height requirements of the respective zoning district.

e. Installation of mechanical equipment other than those exempted in subsections a-d, above, and which is not visible from a public right-of-way, except alleys, or adjacent residentially zoned property and consistent with other provisions of the ordinance codified in this section, including solar access in chapter 18.4.8, and noise and setback requirements of subsection 18.2.4.020.B. See also, screening standards for mechanical equipment in subsection 18.4.4.030.G.4.

f. Routine maintenance and replacement of existing mechanical equipment in all zones. (Ord. 3155 § 15, amended, 07/17/2018)

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