§ 100-54. Business mixed use overlay standards.

(1)

Location. Business mixed use overlay standards, defined as business mixed use development in section 100-29, may be utilized as a development tool only within the Interstate planning district and the South Main Street/River South Planning District as described and mapped within the comprehensive plan. Furthermore, within the stated planning districts, the business mixed use overlay standards may be utilized only on properties designated for a business mixed use land use within the corresponding maps of the comprehensive plan for the stated planning districts.

(2)

Approval. Business mixed use developments shall be approved as a conditional use under planned use development (PUD) standards and procedures of section 100-53. With PUD approval, a business mixed use development shall not be allowed modifications for the mapped designated locations for business mixed use development, for maximum density or for maximum building height; except as stated for maximum height.

(3)

Characteristics of a business mixed use development. Each approved business mixed use development shall achieve the following characteristics:

(a)

Be located within a business/commercial setting where the addition of multi-family residential dwelling units enhances the business/commercial environment.

(b)

Be compact and efficiently utilize land pursuant to concepts of traditional neighborhood development, as defined in Wisconsin Statutes.

(c)

Provide multi-family residential with a sufficient proportion of commercial and open space uses in close proximity to one another on the same development site.

(d)

Provide a housing choice or choices to enhance an active and growing economic base.

(e)

Improve aesthetics of the built environment and be aesthetically synergistic with village atmosphere and its respective business district.

(f)

Proper and adequate public sanitary sewer and public water facilities are available to serve the development site.

(g)

Proper and adequate storm water and water quality facilities are provided.

(h)

Conformance with the performance standards to a maximum multi-family density of 20 dwelling units per acre.

(4)

Underlying zoning. Each business mixed use development shall be approved with an underlying business zoning district consistent with the base land use designated for the site pursuant to the comprehensive plan.

(5)

Maximum principal building number of stories and height.

(a)

Within the interstate planning district: Maximum of four stories to a maximum height of 52 feet. With plan commission and village board approval, architectural appurtenances as defined in section 100-29 may extend the maximum height to 60 feet.

(b)

Within the South Main Street/River South planning district: Maximum of four stories, of which a maximum of three stories may be residential, to a maximum of 52 feet. With plan commission and village board approval, architectural appurtenances as defined in section 100-29 may extend the maximum height to 60 feet.

(6)

Maximum density. The maximum multi-family residential density shall be 20 dwelling units per net acre of the entire development site, with net acre meaning the gross size of a site minus any right-of-way. Furthermore, the business mixed use development shall conform to all performance standards for business mixed use development approval listed in section 100-54(7).

(7)

Performance standards for business mixed use development approval.

(a)

Purpose. It is the purpose of the performance standards to ensure the business mixed use development meets the definition and the characteristics for a business mixed use development, and provides for the general health, safety and welfare of the public.

(b)

Ingress/egress. Two routes of ingress/egress to an external public right-of-way shall be provided. A boulevard-style driveway may count as two routes; however, a secondary emergency ingress/egress route shall be provided. The Mukwonago fire chief may require additional ingress/egress routes.

(c)

Parking. The minimum number of parking spaces as required for business in article V of this chapter 100 shall be provided, with either outside surface parking spaces or within an enclosed garage accessible to the public, including handicapped parking spaces. The minimum number of parking spaces required for residential shall be one enclosed garage space per dwelling unit plus one additional space per dwelling unit that may be within an enclosed garage or as outside surface spaces. An additional 0.25 space per dwelling unit shall be provided for guest parking either enclosed but accessible to guests or outside surface spaces. No detached garage parking spaces are permitted except as a multi-story parking structure providing spaces to both the businesses and residential dwelling within the business mixed use development. However, the plan commission may recommend and the village board may require additional parking spaces for residential.

(d)

Driveway and parking design. All internal driveways and parking lots shall be completed with a solid paved and dustless surface. All internal driveways and parking lots shall be completely surrounded by concrete curb and gutter, except for pedestrian ramps and openings for storm drainage, and except when parking spaces abut to pedestrian sidewalks raised from the surface of the driveway or parking.

(e)

Public safety access. The site shall be designed to allow police and fire access to each building, including provision that Mukwonago fire department ladder apparatus can correctly position on a flat and paved surface to reach unit porches and/or windows on the top floor surrounding 75 percent of each building exterior.

(f)

Proportion. Any building with residential shall have a length (in feet) at least 1.5 times the maximum height (in feet) of the building.

(g)

Architectural design of buildings. The following standards apply to the architectural design of buildings of a mixed-use development.

1.

Exterior building colors shall be non-reflective, subtle, neutral, or earth tone. The use of high intensity colors, metallic colors, black, or fluorescent colors shall be prohibited. Building trim and architectural accent elements may feature brighter colors, but such colors shall be muted, not metallic, not fluorescent and not specific to particular uses or tenants. Standard corporate and trademark colors shall be permitted only on sign face and copy areas.

2.

Four-sided architecture; All sides of the building or buildings shall be similar in articulation and use of materials.

3.

Building design shall be composed of a suitable mix of the allowed materials shown within the following chart.

	Allowable for use as or at: (X means material is allowed)
Building Materials	Base/ Bottom of Building	Middle of Building	Top of Building	Trim/ Accent Material	Additional Standards(see below)
Brick (Face/Veneer/Tile)	X	X	X	X
Concrete Panels, Tilt-up or Precast	X	X	X	X	A
EIFS/Synthetic Stucco			X	X	B
Fiber-Cement Siding/Panels	X	X	X	X
Glass Curtain Wall System	X	X	X	X
Glass Storefront	X	X	X	X
Metal Panels		X	X	X	C
Reflective Glass/Spandrel				X	D
Split Face Block	X	X	X	X	E
Stone/Stone Veneer	X	X	X	X
Stucco; Hand-Laid			X	X	B
Vinyl Siding				X	F, D
Wood/Wood Composite		X	X	X	F
A—Shall incorporate horizontal and vertical articulation and modulation, including but not limited to changes in color and texture, or as part of a palette of materials. B—Shall not be within three feet from the floor of common access pedestrian areas or where high pedestrian traffic is anticipated as well as at least one floor above ground level. C—Shall be used in conjunction with a palette of materials; shall be a heavy gauge (20 gauge or higher) metal, and; shall be non-reflective. D—Shall be used in limited quantities as an accent material. E—Shall be used in conjunction with a palette of materials and shall not comprise more than 33 percent of any building wall adjacent to a public street or walkway. F—Shall be used in limited quantities (maximum ten percent coverage) due to its limited durability.

 

(h)

Façade articulation. Consistent with the design of traditional storefront buildings, new buildings shall be divided into smaller increments through articulation of the façade. This can be achieved through combinations of the following techniques and other techniques that may meet the intent of this standard:

1.

Stepping back or extending forward a portion of the façade, called façade modulation.

2.

Vertical divisions using different textures or materials, although materials may be drawn from a common palette.

3.

Division of the first floor exterior into storefronts, with separate display windows and entrances.

4.

Variation in roof lines by alternating dormers, stepped roofs, gables or other roof elements to reinforce articulation or modulation.

5.

Use of arcades, awnings, window bays or porches at intervals equal to the articulation interval.

(i)

Street-facing facades. No blank walls shall be permitted to face the public street, sidewalks, or other public spaces such as plazas. Elements such as windows, door, columns, changes in material, and similar details shall be used to add visual interest.

(j)

Landscaping. The following standards apply to landscaping of a multiple-family development. In addition, the minimum greenspace on a multiple-family property approved under these performance standards shall be 25 percent in the B-2 and B-3 zoning districts, and 35 percent in the B-4 and B-5 zoning districts.

1.

Areas not covered by buildings, pavement and sidewalks, and storm water and water quality management facilities shall be landscaped with a suitable, permanent ground cover with the planting of deciduous and coniferous trees, decorative trees, scrubs/bushes and flowers. The use of benches, fountains, tables, monuments, etc. are encouraged to enhance the overall landscape and aesthetics of the development.

2.

There shall be planted, at a minimum, 0.25 deciduous and/or coniferous tree per dwelling unit in addition to shrubs/bushes and flowers. The plan commission may require additional plantings to enhance appearance and create buffers.

3.

The use of berms and decorative fencing shall be utilized to enhance the landscaping to buffer neighboring uses.

4.

Storm water management and water quality run-off control features shall be incorporated into the overall landscape plan and utilized as a site amenity. The use of rain gardens, green roofs and/or other infiltration storm water design is strongly encouraged.

5.

The entire site shall be designed so that each dwelling unit from its interior has views of outside landscaping and amenities.

6.

Preserved environmental features on a site shall be incorporated into the landscape plan for viewing and/or passive enjoyment by residents of the development.

7.

All landscaping and landscaping enhancements shall be maintained in good condition after installation at all times. Property owner or owners shall replace any plant material that becomes diseased, deteriorated or no longer growing within 90 days.

8.

The landscaping plan shall conform to standards of chapter 34 of this Code for the preservation and planting of trees.

(k)

Amenities. Amenities shall be provided to enhance enjoyment of the site by residents of the development and to enhance site aesthetics. While the amount and extent of provided amenities may be determined by the size of the development in terms of land area and allowed number of dwelling units, the plan commission and the village board approval of the conditional use will consider the amount of provided amenities.

1.

The types of interior building amenities may include: fitness room(s), club house or community/party room(s), game room(s), secure additional storage room or area for residents, porches/balconies, manned on-site management office, etc.

2.

The types of exterior site amenities may include: natural or paved pedestrian paths, paths and sidewalks connecting to off-site paths or sidewalks, fitness trails, swimming pool and other sports/athletic facilities, outdoor gathering areas, decorative parking lot lighting, a landscape plan beyond the minimum requirements, clearly marked building/unit addresses complimentary to the building design, etc.

(l)

Conformance with other standards. The entire site design shall conform to other development standards of the Village of Mukwonago and other agencies and may be amended from time to time. The other standards may include, but are not limited to sewer and water design, street design, storm water management and water quality, shoreland setbacks, preservation of environmental features, exterior lighting, fire code, etc.

(m)

Additional guidelines. The plan commission and the village board may adopt guidelines to supplement the standards of this section 100-54. The guidelines may be amended from time to time.

(Ord. No. 927, § II(Exh. A), 4-18-17)