§ 155.101 LANDSCAPING AND OUTDOOR OPEN SPACE.
   The following landscaping and outdoor open space provisions shall apply in the Multiple-Family Residential Zones. In addition, the landscaping provisions of §§ 155.545 through 155.559 shall also apply.
   (A)   Site landscaping. At least 15% of the overall site shall be landscaped.
   (B)   Minimum area.
      (1)   Minimum open space shall comply with the applicable design standards depending on type of open space. Areas used for parking, loading, or storage shall not be counted towards minimum open space.
      (2)   Residential open space. Residential projects shall provide a minimum of 15% of the residential gross floor area as private open space and 5% of the residential gross floor area as common open space.
   (C)   Private open space.
      (1)   Access. Private open space shall abut and have direct access to the associated tenant space.
      (2)   Dimensions. Private open space shall have a minimum area of 40 square feet and a minimum dimension of five feet in each direction, with a vertical clearance of at least eight feet.
      (3)   Distribution. Private open space shall be outdoors and may be located within a required setback.
   (D)   Common open space.
      (1)   Access. Common open space shall be available to all tenants of the building at no cost.
      (2)   Types. Common open space shall be provided by at least one of the following and designed to comply with the associated standards:
         (a)   Backyard or courtyard on the ground floor;
            1.   Dimensions. Common open space shall have a minimum area of 360 square feet and a minimum dimension of 15 feet in each direction.
            2.   Distribution. Common open space shall be outdoors, and a minimum of 80% of common open space shall be open to the sky.
            3.   Landscaping. A minimum of 15% of common open space shall be planted area with a minimum dimension of 30 inches in each direction, with a soil depth of at least 18 inches.
            4.   Trees. A minimum of one 24-inch box tree per project or for every 500 square feet of common open space, whichever is greater, shall be planted within the common open space. At least 50% shall be shade trees.
            5.   Hardscape. A maximum of 50% of common open space may be paved in standard concrete, with the remainder using enhanced paving such as brick, natural stone, unit concrete pavers, textured/colored concrete, or similar.
            6.   Water features. A maximum of 10% of common open space shall be decorative water features, such as fountains or reflecting pools.
         (b)   Roof deck, terrace, or similar on upper floors;
            1.   Dimensions. Common open space shall have a minimum area of 400 square feet and a minimum dimension of 15 feet in each direction.
            2.   Distribution. Common open space shall be outdoors, and a minimum of 80% of common open space shall be open to the sky.
            3.   Landscaping. A minimum of 15% of common open space shall be planted area with a minimum dimension of 30 inches in each direction, with a soil depth of at least 18 inches.
            4.   Hardscape. A maximum of 50% of common open space may be paved in standard concrete, with the remainder using enhanced paving such as brick, natural stone, unit concrete pavers, textured/colored concrete, or similar.
            5.   Water features. A maximum of 5% of common open space shall be decorative water features, such as fountains or reflecting pools.
         (c)   Multi-use driveway.
            1.   Paving. The entire surface of the driveway shall be comprised of permeable pavers.
            2.   Landscaped buffer. The driveway shall be lined by a minimum 18-inch-wide planted area, except at garage entries and pedestrian pathways. If the landscaped buffer is adjacent to a wall, it shall include shrubs or vines of at least 24 inches in height.
      (3)   Amount. A maximum of 30% of common open space shall be indoors (i.e., lounges, fitness centers, and similar). Indoor common open space shall not include spaces primarily used for circulation.
(Ord. 1131, passed 9-5-23)