§ 159.006 INTERIOR PARKING LOT LANDSCAPE.

   (A)   Intent and applicability.

      (1)   Intent. To provide shade, minimize paving and associated stormwater runoff, and improve the aesthetic look of parking lots.

      (2)   General applicability. All open-air, off-street parking lots in all districts.

      (3)   Other internal parking lot areas. Internal areas not dedicated to parking, loading, or drives shall be landscaped with a minimum of one medium or large shade tree for the first 150 square feet and one medium or large shade tree for every 650' thereafter. Paved areas with hatched striping where vehicles are not permitted, shall be landscaped and may contain a walkway.

      (4)   Existing vegetation. Existing vegetation may be credited toward these requirements.

(B)   Interior Parking Lot Landscape Requirements note 1
(1)   Landscape Island Requirements   a
Required Island Locations	Terminal ends note 2 of free standing rows or bays of parking; After every ninth parking space for rows of parking greater than 8 spaces in length note 3   b
Minimum Width	9'; Islands less than 9' must utilize structural soil under any paved surface and install an aeration system or utilize permeable pavement within the tree's critical root zone (for large trees: a 5' radius around the tree)
Required Trees Within Islands	Minimum of 1 medium or large shade tree per island   c
(2)   Landscape Median Requirements   d
Required Median Location	Required in each free-standing bay of parking along the length of the bay
Minimum Width	5'; medians less than 9' and with required trees must utilize structural soil under any paved surface and install an aeration system or utilize permeable pavement within the tree's critical root zone (for large trees: a 5' radius around the tree)
(3)   Tree Requirements
Requirements per Parking Space note 4	Each parking space must be located within 50' of a tree planted within parking lot interior
	Minimum of 1 shade tree must be planted within parking lot interior or within 4' of parking lot's edge for every 3 parking spaces
Tree Shade Goal	Within 20 years of tree installation, 30% of the interior of the parking lot should be shaded by tree canopy. Refer to Table (E)(6)1 for calculation.

 

Notes:

1   Parking lot interior is defined as the area dedicated to parking on a given parcel as measured from edge of pavement to edge of pavement.

2   Freestanding rows or bays of parking are those not abutting the parking lot perimeter or building face, and may have a single or double row of parking.

3   There shall be no more than eight continuous parking spaces in a row without a landscape island.

4   Trees within a designated buffer area may not be utilized to meet these requirements.

Figure (6) 1 Interior Parking Lot Landscaping

 

Tree Size	Estimated Canopy at Maturity (sq ft)	Estimated Height at Maturity (ft)
Very Small	150	under 15'
Small	400	15'-25'
Medium	900	25'-40'
Large	1600	40'+

 

Table (6)1. Estimated Canopy and Height at Maturity.

(Ord. 2014-O-9, passed 5-20-14)