HomeMy WebLinkAboutTR_Ravi Short Plat_Tree Worksheet_220816_v1.pdfRavi Short -Plat Tree Protection Plan, Renton, WA,
By, A.B.C. Consulting Arborists LLC
July 8, 2022
Page 17 of 26
ATTACHMENT 4 - TREE RETENTION WORK SHEET
Planning Division
1055 South Grady Way -Renton, WA 98057
Phone* 425-430-7200 www,rentonwa.gov
1.
Total number of trees over 6" diameter6, or alder or cottonwood
trees at least 8" in diameter on project site
20
trees
2.
Deductions: Certain trees are excluded from the retention calculation:
Trees that are dangerous'
2
trees
Trees in proposed public streets
0
trees
Trees in proposed private access easements/tracts
0
trees
Trees in critical areas$ and buffers
0
trees
Total number of excluded trees:
2
trees
3.
Subtract line 2 from line 1.
18
trees
4.
Next, to determine the number of trees that must be retained', multiply
line 3
by:
0.3 in zones RC, 11-1, 1141 11-6 or R-8
5.4
trees
0.2 in all other residential zones
trees
0.1 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 proposing10 to retain4:
11
trees
6.
Subtract line 5 from line 4 for trees to be replaced:
(if line 6 is zero or less, stop here. No replacement trees are required)
-5.6
trees
7.
Multiply line 6 by 12" for number of required replacement inches:
0
inches
8.
Proposed size of trees to meet additional planting requirement:
(Minimum 2" caliper trees required)
0
inches per tree
9.
Divide line 7 by line 8 for number of replacement trees".
0
trees
6 Measured at 4.5' above grade.
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.
8 Critical areas, such as wetlands, streams, floodplains and protected slopes, are defined in WC 4-3-050.
9 Count only those trees to be retained outside of critical areas and buffers.
10 The City may require modification of the tree retention plan to ensure retention of the maximum number of trees per RMC 44-13OMa.
11 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 44430.1-1. l.e.(ii) for prohibited types of replacement trees. (If remainder is .5 or
greater, round up to the next whole number)