HomeMy WebLinkAboutCA Worksheet Tree Retention 180405ftlF
Cit} of
DEPARTMENT OF COMMUNITY`" `s
AND ECONOMIC DEVELOPMENT .�
TREE RETENTIONr,-.
WORKSHEET �� 5
1 Measured at 4.5' above grade.
2 A tree certified, in a written report, as dead, terminally diseased, damaged, or otherwise dangerous to persons or property by a licensed
landscape architect, or certified arborist, and approved by the City.
3 Critical areas, such as wetlands, streams, floodplains and protected slopes, are defined in RMC 4-3-050.
° Count only those trees to be retained outside of critical areas and buffers.
5 The City may require modification of the tree retention plan to ensure retention of the maximum number of trees per RMC 4-4-1301-17a.
6 When the required number of protected trees cannot be retained, replacement trees, with at least a two-inch (2") caliper or an evergreen at least
six feet (6') tall, shall be planted. See RMC 4-4-130.H.1.e.(ii) for prohibited types of replacement trees.
1
H.\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Tree Retention Worksheet.docx 03/2015
Planning Division
1055 South Grady Way -Renton, WA 98057
Phone: 425-430-7200 Fax: 425-430-7231
1.
Total number of trees over 6" diameter-', or alder or cottonwood
trees at least 8" in diameter on project site
`4 C) A E , 01= I -k,5 FL " 9ef--5
trees
2.
Deductions: Certain trees are excluded from the retention calculation:
Trees that are dangerous2
Q trees
Trees in proposed public streets
trees
Trees in proposed private access easements/tracts
�_ trees
Trees in critical areaS3 and buffers
trees
Total number of excluded trees:
Q trees
3.
Subtract line 2 from line 1:
�— trees
4.
Next, to determine the number of trees that must be retained 4, multiply line 3 by:
0.3 in zones RC, R-1, R-4, R-6 or R-8
0.2 in all other residential zones
0.1 3 %� ' "+3
in all commercial and industrial zones
trees
5.
List the number of 6" in diameter, or alder or cottonwood trees
over 8" in diameter that you are proposing to retain':
23 trees
6.
Subtract line 5 from line 4 for trees to be replaced: Q �7
""" trees
(if line 6 is zero or less, stop here. No replacement trees are required)
rJ /
7.
Multiply line 6 by 12" for number of required replacement inches:
inches
8.
Proposed size of trees to meet additional planting requirement:
(Minimum 2" caliper trees required)
-^ inches per tree
9.
Divide line 7 by line 8 for number of replacement trees:
(If remainder is .5 or greater, round up to the next whole number)
— trees
1 Measured at 4.5' above grade.
2 A tree certified, in a written report, as dead, terminally diseased, damaged, or otherwise dangerous to persons or property by a licensed
landscape architect, or certified arborist, and approved by the City.
3 Critical areas, such as wetlands, streams, floodplains and protected slopes, are defined in RMC 4-3-050.
° Count only those trees to be retained outside of critical areas and buffers.
5 The City may require modification of the tree retention plan to ensure retention of the maximum number of trees per RMC 4-4-1301-17a.
6 When the required number of protected trees cannot be retained, replacement trees, with at least a two-inch (2") caliper or an evergreen at least
six feet (6') tall, shall be planted. See RMC 4-4-130.H.1.e.(ii) for prohibited types of replacement trees.
1
H.\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Tree Retention Worksheet.docx 03/2015