9.00 CONSTRUCTION STANDARDS
9.08 Landscaping, Street Trees and Tree Belts
- Tree belts a minimum of six (6) feet wide shall be provided on each side of the roadway. Tree belts shall be between the curb or shoulder and the sidewalk, if required, or the edge of the right-of-way when there are no sidewalks. Trees shall be planted along the center line of the tree belt. The finished grade of such tree belts shall have a slope of one-half (1/2) inch per foot toward the roadway. Where unusual physical land characteristics of topographic conditions exists, and where no sidewalk is to be constructed, the Planning Board may approve the construction of a tree belt of a greater slope with the finished slope not projecting above a plane sloped four (4) horizontal to one (1) vertical from the back of the curb or edge of the shoulder.
- The top six (6) inches of tree belt shall consist of good quality loam extending to the right-of-way, screened, raked, and rolled with lawn grass seen applied in sufficient quantity to assure adequate coverage, rolled when the loam is moist. Spreading of loam and seed shall be in accordance with Sections 751 and 765 of the Standard Specifications.
- Street shade trees shall be on both sides of subdivision streets, within the right-of-way, but with a minimum setback of ten (10) feet from the edge of the pavement . There shall be one tree planted an average of every thirty (30) feet of street frontage along each lot and not less than two trees per lot. Any mature deciduous shade trees preserved may be applied toward this average.
- Trees shall be mature deciduous trees or newly planted trees no less than three inch (3”) caliper at time of installation. Clumping is permitted in order to frame or enhance a view. The center of the tree should be four feet from pavement or curbs.
- Street trees shall be deciduous shade trees, including, but not limited to, those listed in the table below. No more than 35% of any one species shall be used throughout the subdivision.
- Street trees shall have a minimum caliper of three inches (3”) measured six inches (6”) above soil root ball. They shall be single-stemmed with a single, straight leader. All tree species must meet American Association of Nurserymen Standards for the types and sizes specified. These standards shall be included on the detail sheets.
- The developer shall install on each lot the street trees specified on the approved plans prior to the issuance of the final Certificate of Occupancy. Trees must survive one year after planting prior to the release of warranty performance guarantees.
- Planting operations and requirements for street trees shall be in accordance with the American Association of Nurserymen Standards for Planting and shall have a two (2) year growth warranty. These standards shall be indicated on detail sheets.
A Selection of Approved Street Tree Species
|Botanical Name||Common Name||Notes|
|Acer rubrum||Red Maple||Low salt areas|
|Acer saccharum||Sugar Maple||In special circumstances, low salt, wide root zone areas|
|Fraxinus pennsylvanica||Green Ash|
|Gleditsia triacanthos var. inermis||Thornless Common Honeylocust|
|Nyssa sylvatica||Black Gum, Tupelo||Moist soils|
|Quercus coccinea||Scarlet Oak|
|Quercus robur||English Oak|
|Quercus rubra||Red Oak||Will tolerate poor, sandy soils|
|Platanus x acerifolia||London Plane Tree|
|Tilia cordata||Littleleaf Linden|
|Ulmus americana ‘Valley Forge’||Valley Forge Elm|
|Ulmus americana ‘Princeton’||Princeton Elm|
|Ulmus parvifolia ‘Allee’||‘Allee’ Lacebark Elm|