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Berwyn, IL Code of Ordinances
CHAPTER 1246: ZONING DISTRICT REGULATIONS
Section
1246.01   General provisions
1246.02   Design requirements for commercial zoning districts
1246.03   Summary table of zoning district requirements
1246.04   C-1 Neighborhood Mixed-Use District requirements
1246.05   C-2 Traditional Mixed-Use District requirements
1246.06   C-3 Depot Mixed-Use District requirements
1246.07   C-4 Corridor Commercial District requirements
1246.08   I Industrial District requirements
1246.09   P Public Areas District requirements
1246.10   R-1 Single-Family Residence District requirements
1246.11   R-2 Bungalow District requirements
1246.12   R-3 Two-Family Residence District requirements
1246.13   R-4 Multi-Family Residence District requirements
1246.14   Principal structure encroachments
§ 1246.01 GENERAL PROVISIONS.
   (A)   Purpose. The purpose of this chapter is to establish the development standards for a principal structure on a zoning lot by zoning district.
   (B)   Applicability. The provisions of this chapter apply to all new construction and significant exterior renovation of existing structures. The provisions of § 1252.05 (Nonconformities) apply to nonconforming structures.
   (C)   Roosevelt Road Form-Based Zoning. In addition to the requirements of this Code, parcels along Roosevelt Road shall comply with the requirements of the Roosevelt Road Form-Based Zoning overlay, as adopted by the city. The Roosevelt Road Form-Based Zoning overlay may be obtained from the City Clerk. Where a conflict exists between the provisions of this Code and those requirements, the provisions of the Roosevelt Road Form-Based Zoning overlay shall control.
   (D)   General requirements. In addition to the requirements of this chapter, the development requirements in the following code sections must be met.
      (1)   Site plan review. All development, redevelopment, and additions to existing structures that result in an increase in gross floor area, capacity, or number of dwelling units by 15% or more, with the exception of single-family and two-family developments, require approval of a site plan review application by the Zoning Administrator in accordance with § 1252.03(B) (Site Plan Review).
      (2)   Uses. See Chapter 1244 (Uses) for principal, accessory, and temporary use requirements as well as standards for accessory structures.
      (3)   Parking and loading. See Chapter 1248 (Off-Street Parking and Loading) for off-street parking, loading, and access requirements.
      (4)   Landscaping and buffering. See Chapter 1250 (Landscape Standards) for landscaping, buffering, and screening requirements.
      (5)   Municipal Code. Refer to the Municipal Code (Part 14: Building and Housing Code) for additional requirements for development outside the purview of this Zoning Code.
(Ord. 17-31, passed 9-12-2017)
§ 1246.02 DESIGN REQUIREMENTS FOR COMMERCIAL ZONING DISTRICTS.
   (A)   Applicability. The design requirements in this section apply to all new construction and significant exterior renovation of existing structures for non-residential and multi-family uses within the city's C-1, C-2, C-3, and C-4 Districts. See §§ 1246.04, 1246.05, 1246.06, and 1246.07 for additional design requirements specific to each commercial zoning district.
   (B)   Design requirements. Refer to Figure 1246.02-A. Design Requirements.
      (1)   Facade design.
         (a)   Hold the corner. A principal structure on a corner parcel shall locate the intersection of the structure's front and corner side facades within the area defined by the intersection of the front and corner side maximum front setbacks. Refer to Figure 1246.02-B. Hold the Corner Requirement.
         (b)   Defined base, middle, and top. Multi-story buildings shall be designed with a distinct base, middle, and top. A horizontal expression line shall define the base (ground story) of the building from the upper stories. An expression line is a decorative, three dimensional linear element protruding or indented at least two inches from a building facade.
         (c)   Vertical facade articulation. Architectural or structural elements shall be incorporated to vertically divide large flat planes along all street-facing facades in excess of 50 feet.
            1.   Architectural or structural elements. Architectural or structural elements may include color change, texture change, material change, or wall articulation change, such as an offset, pilaster, column, reveal, or vertical expression line, of no less than six inches.
            2.   Spacing. Facade articulation elements shall be incorporated at intervals of no less than 25 feet.
      (2)   Materials.
         (a)   Allowed materials. The following materials are allowed on the ground story facade: durable and natural materials, such as stone, brick, stucco, metal, concrete, burnished concrete masonry units, and non-reflective glass, unless otherwise prohibited in division (B)(2)(b) of this section.
         (b)   Limitation on materials. The following materials may be utilized for trim or architectural details but shall not exceed 20% of the total facade area: utility brick, vinyl or metal siding, metal wall panels, exposed aggregate (rough finish) concrete wall panels, exterior insulation and finishing systems (EIFS), fiberglass, plastic, untreated wood, non-burnished concrete masonry units, and mirror glass. EIFS is not allowed on the ground floor.
   Figure 1246.02-A. Design Requirements
 
   Figure 1246.02-B. Hold the Corner Requirement
 
   (C)   Explanation of table requirements. The following provisions explain and define the commercial design requirements established in Tables 1246.04-A, 1246.05-A, 1246.06-A, and 1246.07-A. Refer to Figure 1246.02-A. Design Requirements.
      (1)   Minimum street frontage. Proportion of street frontage that must be occupied by the principal building's front facade. The requirement in each table establishes the minimum percentage of the front lot line that must be occupied by the front façade of the principal building.
      (2)   Parking location. The yard in which an off-street parking lot is allowed.
      (3)   Minimum transparency. The amount of transparency (highly transparent, non-reflective glass) required as a percentage of the total area of the street-facing ground story facade. Tinting in excess of 20% is not allowed.
      (4)   Principal entrance location. The facade on which the principal building entrance must be located.
      (5)   Roof type. Roof types may include pitched roofs, parapet roofs, or flat roofs. If a parapet roof is constructed, it shall have a minimum height of two feet and maximum height of six feet, as measured from the top of the upper story to the top of the parapet.
(Ord. 17-31, passed 9-12-2017)
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