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UPTOWN D2 DISTRICT FORM-BASED CODE January 26, 2016 504. Streetscape Standards A. General Provisions 1. All plant material (including trees) shall pass any inspections required under State regulations. 2. All turf grass shall be solidly sodded at installation-not seeded, sprigged, or plugged. Vegetative groundcovers may be used in place of turf grass. 3. In addition to the lot, the owner must maintain the following areas: a. The portion of the srREEr-sPACE between their lot line and the back of the curb. b. The portion of the ALLEY between the lot line and the edge of the ALLEY pavement. 4. Mechanical and electrical equipment including, but not limited to, air compressors, pumps, exterior water heaters, water softeners, private garbage cans (not including public sidewalk waste bins), and storage tanks may not be stored or located within any sTREEr-sPACE. (Water pumps not visible are not included in this prohibition). Temporary placement of private garbage cans within the STREET-SPACE may be allowed to accommodate scheduled pick-up.) B. Street Trees 1. Each STREET-SPACE must have STREET TREES planted along the STREET TREE ALIGNMENT LINE (generally 3 to 3'/2 feet from the back of the curb unless otherwise specified in the REGULATING PLAN or Street Type Specification) at an average spacing not greater than 30 feet on center (calculated per block face). Where necessary, spacing allowances may be made to accommodate curb cuts, fire hydrants and other infrastructure elements; however, at no location may STREET TREE spacing exceed 45 feet on center. Required sTREET TREE planting area configurations are specified in the street type specifications and below. 2. Required tree planting area minimum specifications are as follows: a. Soil surface area shall not be less than 90 square feet per isolated tree or 60 square feet per tree for connected (TREE LAwN) situations. b. No dimension of the soil surface area may be less than 5 1 /2 feet. c. These requirements may be met through the use of bridged slab, structural soil, or other techniques that clearly exceed these standards in the fostering of vital and IOng-IIVed STREET TREES. d. sTREEr TREE planting areas shall be at grade or not greater than six inches in height above or below the sidewalk e. At planting, STREET TREES shall be at least 2.5 inches in diameter (at DBH) and at least ten feet in overall height. Species must be selected from the srREET TREE list (see Tree ListsJ. Consult with the CODE ADMINISTRATOR for the designated tree species for a partlCUlgr STREET-SPACE. f. Any unpaved ground area shall be planted with groundcover, flowering vegetation, or climbing vines, not to exceed 12 inches in height. sTREET TREES must be "limbed up" as they gain appropriate maturity so as to not interfere with pedestrian or truck travel (minimum 7 feet clear over the sidewalk and 14 feet over the travel lanes of the street) and to maintain visibility. 40