§ 25.53 PROJECT DESIGN STANDARDS.
   Proposed shall comply with the following project design standards:
   A.   Location. Cluster Zoning developments may be located in districts zoned for single family use (AG-C, AG-SF, RE, RR, R-1-S, and R-1), subject to review and approval as provided for herein.
   B.   Permitted uses. The following uses are permitted in a Cluster Zoning Development:
      1.   Single family detached and two-family housing units.
      2.   A community building, pool, or other amenities for the residents of the development.
      3.   Attached accessory .
   Such uses shall be allowed subject to the following conditions:
      4.   There shall be a reasonably harmonious relationship between the location of on the site relative to on lands in the surrounding area.
      5.   The mix of uses and the arrangement of those uses within a shall not impair the public health, safety, welfare, or quality of life of residents or the community.
   C.   Residential density. Residential density is limited by the dimensional requirements contained herein provided the and determine that the following criteria are met:
      1.   The shall exhibit extraordinary design excellence, examples of which include, but are not limited to: innovative energy efficient design; provision of additional above the required amount; added improvements to assure vehicular and pedestrian safety; or, added or other site features to assure a long-term aesthetically pleasing appearance.
      2.   The shall include public facilities, such as wastewater collection and treatment and public water system, to enhance the long-term viability of the project and allow for more efficient use of the land.
      3.   The proposed arrangement of uses and residential densities within the shall enhance the compatibility of proposed with existing or planned land use on adjacent land.
      4.   The shall implement design approaches to achieve or preserve a Rural Open Space Environment, if feasible.
   D.   Dimensional standards.
      1.    . Planned Development Cluster Zoning proposals shall comply with the following minimum yard requirements:
Minimum
Along perimeter adjacent to or public
50 ft.
Along perimeter, but not adjacent to a
35 ft.
Along an internal or local
25 ft.
Along an internal thoroughfare
50 ft.
Between lot and
   Adjacent to or road
50 ft.
   Not fronting on or road
20 ft.
 
   Modification to these yard requirements may be approved by the , upon recommendation from the , upon making the determination that other would be more appropriate because of the topography, existing trees and other vegetation, proposed grading and , or other existing or proposed site features.
      2.   Lot size and frontage. The minimum lot size shall be 9,600 square feet and the minimum frontage shall be 75 feet. However, minimum sizes and frontages may be reduced if the and determine that all of the following conditions have been met:
         a.   The site plan shall comply with all other dimensional requirements.
         b.   The overall permitted of development shall be based on a size of 9,600 square feet.
         c.   Any reduction in size shall result in an equivalent increase in common .
         d.   Reduction in size shall not diminish the overall quality of design.
   E.   Distances between .  within a shall comply with the following spacing requirements:
      1.   Any detached single-family structure shall be located at least 20 feet from any other detached single-family .
      2.   The minimum rear yard and minimum lot size for detached single family and accessory thereto in a shall be based on good planning and design principles, taking into account the degree of compatibility between adjoining uses, sensitivity to the characteristics of the site, the need for free access for emergency vehicles, the need for adequate amounts of light and air between , and the need for proper amounts of for the exclusive use of residents on the site.
      Modification to these spacing requirements may be approved by the , upon recommendation from the , upon making the determination that other spacing requirements would be more appropriate because of the design and orientation of .
   F.    requirements.  within a Cluster Zoning development shall comply with the following requirements:
      1.   Maximum height: two stories.
      2.   Minimum net floor area per unit: 600 square feet.
      3.   Maximum net floor area per unit: 1,500 square feet.
      4.   Maximum footprint of principal building: 900 square feet.
      5.   Maximum accessory footprint: 576 square feet.
      6.   Accessory shall be attached to the principal .
      7.   Each residence shall have a front porch that extends across at least 50% of the building front.
      8.   If face an interior common feature such as a courtyard, the minimum   are as follows: front , 15 feet; side ten feet; and rear ten feet.
      9.   At least 35% of the residential units must be universally designed.*
      10.   Homes shall be physically equipped to facilitate broadband connectivity if and when available.
      * Universal design is design that is usable by all people, to the greatest extent possible, without the need for adaptation or specialized design. Something that is universally designed will work for as many people as possible, regardless of struggles with: 1) upper body movement, strength, and/or sensation; 2) lower body movement strength and/or sensation; 3) balance; 4) vision; 5) hearing; 6) cognition and memory; 7) activity tolerances; 8) speech and/or communication; 9) chemical sensitivities; 10) sensory tolerance; 11) need for caregiver assistance; and 12) extremes in height and weight.
   G.   Design guidelines.
      1.   Exterior materials. The following list contains permitted exterior materials. Alternative exterior materials may be proposed for approval by the , provided such materials are comparable in quality and durability to those in the list.
         a.   Siding: vinyl, Hardiplank or similar siding.
         b.   Full brick exterior on the front elevation (generally, the elevation facing the road).
         c.   At a minimum brick shall be provided to the bottom of the first floor on the sides and rear with siding above the brick.
         d.   Windows. Wood, vinyl clad wood, or vinyl.
         e.   Aluminum gutters, downspouts, and flashing shall be permitted.
         f.   Texture 1-11 and aluminum siding are prohibited.
         g.   Garage doors. Garage doors shall be panelized steel, panelized aluminum, or wood.
      2.    and sidewalks. and sidewalks shall be constructed of concrete or durable pervious pavement.
      3.   Roof material and pitch. Roof material shall be at least 30-year three-tab asphalt shingle or better. No single level flat roofs are permitted on the main body of any or other , except that flat roofs may be installed for Florida rooms, porches, or patios, if they are architecturally compatible with the rest of the unit. The roof pitch for the main body of the on the front, sides, and rear elevations shall be five on 12 or steeper.
   H.   Parking and loading.  shall comply with the parking and loading requirements specified in Article 4.00 of the Zoning Ordinance.
   I.    .  shall comply with the following requirements:
      1.   General site requirements. All unpaved portions of the site that are not left in a natural state shall be planted with grass, ground cover, shrubbery, or other suitable live plant material, which shall extend to any abutting shoulder or curb edge. Seeded areas shall be watered and fertilized regularly to provide a healthy lawn within 90 days of planting.
      2.    adjacent to . Frontage on or in Cluster Zoning shall comply with the requirements for landscaping adjacent to in § 5.02, subsection B.
      3.    requirements. Wherever front, side, or rear yards adjacent to public are used for parking, a may be required to screen the parking from view of the . The shall be a minimum of two feet in height and shall be planted in accordance with the previous requirements for adjacent to .
      4.   Screening. Screening in the form of a   , greenbelt, wall or shall be required wherever a Cluster Zoning development abuts a commercial, office, or industrial use. A   or greenbelt is preferred rather than a wall or by itself. Depending on the design, a wall or with some could be found to be equally desirable.
       screening shall comply with the requirements in § 5.02, subsection E. If a wall or is used instead of , the following requirements shall be complied with:
         a.   Location. Required obscuring walls or shall be placed inside and adjacent to the except where underground utilities interfere with placement of the wall or at the , in which case the wall or shall be placed on the utility line located nearest the .
         b.   Time of construction. Wherever construction of an obscuring wall or is required adjacent to residentially zoned or used property, the wall or shall be installed prior to the beginning of site grading and general construction, except where such activity would result in damage to the wall or .
         c.   Corner clearance. No wall or shall be erected that will obstruct the view of drivers in vehicles approaching an intersection of two roads or the intersection of a and a driveway.
         d.   Wall specifications. Required walls shall be constructed of masonry material that is architecturally compatible with the materials used on the facade of the principal on the site, such as face brick, decorative block, or poured concrete with simulated brick or stone patterns.
         e.    specifications. used for screening shall be constructed of redwood, cedar, or No. 1 pressure-treated wood. Chain link shall not be permitted for screening purposes.
         f.   Height requirements. Walls or used for screening shall be a minimum of 4.5 feet in height.
      5.   Parking lot .  areas containing greater than ten spaces shall be provided with interior in compliance with § 5.02, subsection F.
      6.   Standards for plant material. Proposed plant materials shall comply with the standards set forth in § 5.04. Additionally, 35% of the proposed plant materials must be native to Michigan.
      7.   Treatment of existing plant material. In instances where healthy plant material exists on the site prior to its , the may permit substitution of such plant material in place of the requirements set forth previously, provided such substitution is in keeping with the spirit and intent of this Article and the Ordinance in general, subject to the regulations in § 5.06.
      8.   Variation from specific requirements. The , upon receiving a recommendation from the , may allow variation from the specific requirements set forth herein, upon finding that the substitute is in keeping with the spirit and intent of this Article, and has equal value as the required . In evaluating values, the and shall consider preservation of natural features, aesthetic qualities, numbers of plants, and similar considerations.
   J.    requirements.  Cluster Zoning developments shall provide and maintain usable open space that is accessible to all residents, which shall comply with the following requirements:
      1.   A minimum of 50% of the gross area of the site or portion thereof that is designated for residential use shall be set aside for common . The and may allow a reduction in the requirements if the contains some combination of features that will make it environmentally sustainable, such as electric vehicle charging stations, renewable energy sources, LEED certification, public transit access, and permeable pavements, provided that common after such reduction shall encompass at least 33% of the gross area of the site. The boundaries of the gross site area shall encompass , , sidewalks, , natural areas, water bodies, and other features that are an integral part of the residential plan.
      2.    shall be located on the to meet the following objectives:
         a.   To preserve distinctive natural features and rural characteristics.
         b.   To preserve farmlands.
         c.   To minimize impact from development on , rivers, and other sensitive environmental areas.
         d.   To maintain open, rural character along main .
      3.   No more than 25% of the required shall be used for active recreation facilities, such as swimming pools, tennis courts, trails etc.
      4.   Any pervious land area that is available for the common use of all residents may be included as required , except as follows:
         a.   No more than 25% of the required usable shall include the area of any water bodies or which are covered only periodically with standing water (such as hardwood swamps or "wet" meadows). Required usable shall not include the area of any designated that is covered by water or muck such that it is not a suitable environment for walking or similar passive leisure pursuits.
         b.   Required usable shall not include the area of any public or private , the area of any providing access to the site, the area of any commercial recreation use (such as a golf course), or the area of any required .
      5.   The required shall be set aside by the developer through an irrevocable conveyance, such as deed restrictions or covenants that run with the land or through a , whereby all rights to develop the land are conveyed to a land conservation organization or other public body, assuring that the will be developed according to the site plan. Such conveyance shall:
         a.   Indicate the proposed use(s) of the required .
         b.   Indicate how the leisure and recreation needs of all segments of the population residing in or using the will be accommodated.
         c.   Provide for the privately-owned to be maintained by private property owners with an interest in the .
         d.   Provide maintenance standards and a maintenance schedule.
         e.   Provide notice of possible assessment to the private property owners by the of Williamstown for the cost of maintenance of the in the event that it is inadequately maintained and becomes a public nuisance or in the event that other public facilities are not maintained.
         f.   Be recorded with the Ingham County Register of Deeds to provide record notice of the restrictions to all persons having an interest in the property contained in the .
      6.   Notwithstanding the requirements cited above, open space may be redeveloped for another purpose subject to the following conditions:
         a.   The redevelopment of shall require an amendment to the plan in accordance with the procedures in § 29.04, and shall therefore constitute an amendment to the Zoning Ordinance which shall be subject to the right of petition and referendum by the electors of the , as provided for by current Michigan law.
         b.   Redevelopment of open space shall not be permitted for the first 25 years after the date of the initial approval of the plan by the . Commencing on the 25th anniversary of the initial approval, and at every subsequent 25 year interval thereafter, there shall be a one year period during which proposals to redevelop the may be submitted for review and action by the . Proposals to redevelop may not be submitted at any other time except during these one year periods.
         c.   In the event that a proposal to redevelop is properly submitted during an appropriate one year time frame, the shall proceed with review and shall take action on the proposal even if the review process extends beyond the one year period.
         d.   Proposals to redevelop shall require the written consent of at least 90% of all persons having an interest in the property contained in the at the time the proposal is submitted.
         e.   The overall density of residential proposed for redeveloped shall not exceed the density that could be achieved with the underlying zoning that was in place at the time the original plan was adopted (see § 25.03(C) and definition of "underlying zoning" in § 1.03).
         f.   These provisions for redevelopment of may be included in the conveyance described in the preceding subsection (I.6).
   K.   Frontage and access.  shall front onto a paved or and the main means of access to the shall be via the paved . The nearest edge of any entrance or exit drive shall be located no closer than 400 feet from any street or intersection (as measured from the nearest intersection line).
      Each residential shall have frontage on, and each residential dwelling unit shall have direct access to, an approved public local . Individual residential units in a shall not have direct access onto an , road, or state trunkline. The should be designed so that through-traffic is discouraged from traveling on residential streets.
   L.   Natural features. The shall be designed to promote preservation of natural resources and features. If natural animal or plant habitats of significant value exist on the site, the or may require that the plan preserve the areas in a natural state and adequately protect them as preserves or passive recreation areas. One hundred percent (100%) of any preserved natural area may be counted toward meeting the requirements for , as long as the requirements of subsection (I)(5.a.) of this section are met.
   M.   Pedestrian access. Sidewalks shall be provided along all local, and within the Cluster Zoning development. The , upon recommendation from the , may waive the requirements for sidewalks if pathways or another means of pedestrian circulation are provided through the .
   N.    standards. Proposed uses that are permitted under conventional zoning subject to approval shall comply with the standards for such uses as set forth in § 29.03 of the Zoning Ordinance and in the regulations for each district. In evaluating such uses, the and shall consider the Standards for Granting Approval for Special Uses in § 29.03 of the Zoning Ordinance. The , upon recommendation from the , may waive, modify, or expand upon the standards for such uses, upon making the determination that such action would result in higher quality within the context of the proposed . Even if a is included in a proposed project, review procedures in this Article shall supersede and replace the review procedures in § 29.03.
   O.   Additional considerations. The and shall take into account the following considerations, which may be relevant to a particular project: perimeter and ; thoroughfare, drainage and utility design; underground installation of utilities; the extent to which sidewalks, trails, , playgrounds and other areas used by pedestrians are insulated from , drives, and parking areas used by vehicles; achievement of an integrated with respect to signage, lighting, and building materials; and, noise reduction and visual screening mechanisms, particularly in cases where a adjoins residentially used or zoned property.
(Ord. passed 6-9-2021)