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Clinton Charter Township
City Zoning Code

CHAPTER 1295

Landscaping Standards

1295.01 PURPOSE AND PROVISIONS.

   (a)   The purpose of the landscaping requirements is to help improve the appearance and aesthetics of the overall site, protect the environment, and prevent soil erosion while increasing water retention, provide buffering between incompatible land uses, and encourage the use and mixture of native landscape materials.
   (b)   The provisions of this section shall apply to any area proposed for development, redevelopment, or expansion that is subject to site plan approval under Chapter 1297. A site plan submitted for approval shall meet the requirements of this section. Landscaping from this section must be met independently on the site and cannot be doubly counted towards meeting other requirements of this Ordinance. Fractional number of plantings shall be rounded up to the next whole number.
(Ord. Passed 10-30-23.)

1295.02 FRONTAGE GREENBELT LANDSCAPING REQUIREMENTS.

   (a)   All yards adjacent to roads and rights-of-way shall be landscaped along the entire frontage, except access points, in accordance with the following requirements:
 
Table 1: Frontage Greenbelt Landscaping Requirements
Application
Depth of Greenbelt (in feet)
Wall/Berm
Minimum plantings per 20 linear feet
Commercial, Office, Mixed Use, Institutional
25
Continuous 3-foot- tall wall or 3-foot-tall berm (1), (2)
1 canopy tree or 1 evergreen tree, and 4 shrubs
Industrial
25/50 (3)
Continuous 3-foot- tall wall or 3-foot-tall berm (1), (2)
1 canopy tree or 1 evergreen tree, and 4 shrubs
Special Purpose Districts
25
Continuous 3-foot- tall wall or 3-foot-tall berm (1), (2)
1 canopy tree or 1 evergreen tree, and 4 shrubs
   Footnotes to Table 1: Frontage Greenbelt Requirements:
   (1)   An irrigated berm or wall shall be required when the landscaped setback serves as a screening buffer between an off-street parking area and a thoroughfare. Such walls shall be of common or face brick, textured poured concrete or a masonry material compatible in appearance with that of the principal structure. Such walls shall be protected from vehicular damage by the placement of bumper blocks or six-inch diameter concrete-filled steel or iron guard posts. Backing into parking spaces which abut such walls shall be prohibited.
   (2)   In the event a variance of the front yard setback is obtained from the Board of Appeals, the three-foot-tall wall must be constructed.
   (3)   Parking shall not be allowed to occupy the front yard setback.
(Ord. Passed 10-30-23.)

1295.03 BUFFER AND SCREENING REQUIREMENTS.

   (a)   Buffer Zone Landscaping. The following buffer zones shall be required where a proposed use shares a common lot line with an adjacent use. This table details the required landscaping between adjacent uses:
 
Table 2: Description of Required Buffer Zones
Buffer Zone Type
Minimum Width (in feet)
Wall/Berm
Minimum Plant Materials
A
Applies to industrial uses abutting residential uses
25
Continuous 6 foot wall or 6 foot tall berm
1 canopy tree or 1 evergreen tree and 4 shrubs per 20 linear feet
B
Applies to industrial uses abutting nonresidential uses (except for other industrial uses)
25
Not required
C
Applies to multi-family, commercial, office, mixed- use, or institutional uses abutting single-family residential
25
4 foot, 8" high wall or berm
 
(Ord. Passed 10-30-23.)

1295.04 WALLS AND EARTH BERMS.

   (a)   The following standards apply to walls and earth berms:
      (1)   Continuous earth berms shall be provided with undulating horizontal and vertical top and sides, the height of which shall be no less than required for a wall in the district. Earth berms may consist of opaque screen plantings within the horizontal berm depressions, masonry walls or a combination of both as long as the minimum required height of the earth berm, plantings, walls or combinations thereof is provided.
      (2)   Berms shall be landscaped earth mounds possessing a maximum slope ratio of three to one (three feet of horizontal plane for each one foot of vertical height). Side slopes shall be designed and planted to prevent erosion. The berms shall have a nearly flat horizontal area at their crests of at least two feet in width.
      (3)   Berm or earth mound slopes shall be protected from erosion by sodding or seeding. If slopes are seeded, they shall be protected with a straw mulch held in place by jute netting until the seed germinates and a permanent lawn is established. The straw mulch is not required if the seeded slope is protected by a net which is specifically designed to control erosion. The berm area shall be kept perpetually free of weeds, refuse, debris and general clutter, shall be planted with shrubs, trees or lawn and shall be continuously maintained in a healthy growing condition. Failure to maintain the earth berm area in accordance with these requirements shall constitute a violation of this Zoning Code.
      (4)   In those instances where the Planning Commission and the Township Board permit an earth berm or landscaped greenbelt in lieu of a wall, a detailed drawing of the proposed berm, greenbelt or other barrier shall be submitted in addition to the site plan.
      (5)   Required walls, earth berms or a greenbelt shall be located as nearly as possible to the lot lines, except where underground utilities interfere and except in instances where this Zoning Code requires conformance with front yard setback lines in abutting Residential Districts.
      (6)   Such walls, earth berms and/or greenbelt shall have no openings for vehicular traffic or other purposes, except as otherwise provided in this subsection.
      All walls herein required shall be constructed of materials approved by the Township Department of Building to be durable, weather-resistant, rustproof and easily maintained.
      Masonry walls or earth berms may be constructed with openings which do not, in any square section (height and width), exceed 20% of the surface. Where walls or earth berms are so pierced, the openings shall be spaced so as to maintain the obscuring characteristic required and shall not reduce the minimum height requirement. The arrangement of the openings shall be reviewed by the Planning Commission and approved by the Township Board.
      (7)   Required walls may, upon recommendation of the Planning Commission and approval of the Township Board, be located on the opposite side of an alley right of way from a nonresidential zone that abuts a residential zone upon agreement with affected property owners. Such agreements shall be indicated on the site plan and recorded as a covenant upon the land. The continuity of the required wall on a given block will be a major consideration of the Planning Commission and Township Board in reviewing such requests.
      (8)   Upon review of the site plan, the Planning Commission may recommend to the Township Board a waiver of any part or all of the wall, earth berm or greenbelt requirements, if it is determined that the intended screening effect of the wall, earth berm or greenbelt would serve no useful purpose. Planning Commission may also recommend to the Township Board to substitute the required masonry wall for a six foot high vinyl fencing where they determine it is appropriate.
      (9)   If the Planning Commission and Township Board should determine that a Residential District may be a future nonresidential area, temporary waiver of the requirements of this section, for an initial period not to exceed 12 months may be granted, provided that escrow money or a surety bond in the amount of the estimated cost for erection of the wall or earth berm is filed with the Township for a period not to exceed five years. Granting of waivers, subsequent to the first waiver, shall be permitted.
(Ord. Passed 10-30-23.)

1295.05 PARKING LOT AND LOADING AREA LANDSCAPING.

   Landscaping for parking lot and loading areas have the following requirements:
   (a)   Interior Landscaping. Interior landscaping shall be provided within the boundaries of the parking lot unless otherwise approved by the Planning Commission or Township Board. If interior landscaping is provided along the perimeter of the parking lot, it shall be in addition to the perimeter landscaping requirements.
      (1)   All parking lots shall be landscaped with canopy tree per 3,200 square feet of pavement.
      (2)   Interior landscape islands shall have a minimum area of 150 square feet. Each landscape island shall a minimum of one canopy tree.
   (b)   Perimeter Landscaping and Screening. Perimeter landscaping shall be provided along the edge of any parking lot facing and located within 100 feet of a public right-of-way. The Planning Commission or Township Board may waive this requirement if the parking lot will be sufficiently screened from view by buildings or improvements on the site. Parking lot perimeter landscaping shall comply with the following standards:
      (1)   Perimeter parking lot landscaping shall include a minimum of one deciduous tree and one ornamental tree per every 40 lineal feet.
      (2)   Where a parking lot or loading area for a nonresidential uses abuts a residential use or district, a minimum four foot eight inch tall wall shall be provided between the parking lot and residential lot. Walls shall be constructed of brick or other masonry material compatible with the front façade of the principal building. The Township may approve a six-foot high vinyl privacy fence where it is more compatible with adjacent residential uses.
   (c)   Curbing Required. All landscaping and perimeter screening shall be protected from vehicle encroachment with concrete curbing or similar methods.
   (d)   Snow Storage Area. Adequate snow storage area shall be provided within the site. Plant materials in snow storage areas shall be hardy, salt-tolerant groundcovers with low-maintenance characteristics.
(Ord. Passed 10-30-23.)

1295.06 PLANT SIZING AND VARIETY.

   (a)   Plant Sizes. The minimum size of all landscape materials shall comply with the following at the time of planting:
 
Table 3: Plant Material Requirements
Plant Type
Minimum Size at Installation
Canopy tree
2.5 inch caliper
Ornamental tree
2.5 inch caliper
Evergreen tree
8 feet in height
Shrubs
30 inches in height
 
   (b)   Variety of Plant Species. The overall landscape plan shall not contain more than 33% of any one plant species. All plant material shall be nursery grown in a northern climate and hardy to the climate of Michigan. Plant materials shall be appropriate to the soil, climate, and environmental conditions of the area.
   (c)   The following trees are prohibited:
   (1)   Box Elder.
   (2)   Soft maples.
   (3)   Elm.
   (4)   Poplars.
   (5)   Willows.
   (6)   Horse chestnut (nut-bearing).
   (7)   Tree of heaven.
   (8)   Catalpa.
   (d)   Installation and Maintenance. All landscaping required shall be planted before obtaining a final certificate of occupancy. If the development is not completed within a growing season, a temporary certificate of occupancy shall be issued for a one-year period and a bond posted of sufficient amount to ensure the compliance with the approved landscaped greenbelt. All landscaping elements shall be planted, and earthmoving or grading performed according to accepted planting and grading procedures. Landscaping required by this section shall be maintained in a strong and healthy condition. All diseased or dead plant material shall be replaced within 30 days or the next appropriate planting period, whichever comes first. Tree stakes, wires, and wraps are to be removed after one year.
   (e)   All landscaped areas shall be provided with an automatic irrigation system or have a readily available water supply within 100 feet of all plant material.
(Ord. Passed 10-30-23.)