HomeMy WebLinkAboutTR_Approved_Arborist_190122_v1.pdf
Glenn Takagi
Landscape Architect
25 January 2016
Kevin Murray
Kendall Homes/ Jacob Alexander Homes
612 South Lucile Street
Seattle, WA 98108
RE:
Arborist Report for:
Proposed 15 Lot Plat at 6102- 6107 NE 4th Street Renton, Washington
Overview
Plans are underway for the permitting of a new 15 Lot Plat in the City of Renton. Part of the
permitting process requires an inspection and species identification of significant trees on the
site; with observations made on their health, structural stability and suitability for retention Per
City of Renton Municipal Code Chapter 4- City-Wide Property Development Standards. These
requirements are prescribed in Section 4-4-130 Tree Retention and Land Clearing Regulations.
A Site Visit was made on 25 November 2015, to assess the trees and gather field information.
Observations
This approximately 5 acre site gently slopes from north to south and consists of two existing
homes and a mobile home. Vegetation is primarily grassed areas on the northern half
transitioning to overgrown pasture (volunteer Himilayan Blackberry and Alder) to the south.
Site contains some native trees along with planted ornamental and fruit trees. Most of the
trees existing on site are 6” in diameter or more expect for on the small 15,000 s.f. parcel in
the NW corner where a nursery crop of ‘Christmas Trees’ are being raised.
The provided Survey of the property shows boundries, topography, structures and significant
trees (species and diameter breast height (dbh) measurments). The surveyed trees were given
numbers (and are shown on the attached Tree Retention Plan) to identify/ reference them on
the Tree Schedule. The trees were not tagged with aluminum markers.
Overall, the deciduous trees displayed moderate to poor condition with little indication of
formative or ongoing maintenance. Many of the trees showed structural defects such as internal
decay, cracks, bark inclusions, crown asymmetry and an accumulation of deadwood and
dieback. Most of the conifers appeared to be in good condition.
Information on each tree is shown on the Tree Schedule form on the Tree Retention Plan. The
form is divided into the following categories:
Tree Number- Identification number given in field.
Tree Species- By common name.
DBH- Diameter Breast Height of the trunk at 4.5’ above grade.
Health Rating- An assessment of the overall picture of the current health/ vitality of the tree.
Viability- Is derived from the Health Rating to assess overall suitability given existing
conditions. NS = not suitable. S = suitable
Comments- Observations on the rationale for arriving at the above ratings.
Remove- ‘X’ indicates removal given site development or elective removal.
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18550 Firlands Way North #102 • Shoreline, WA 98133-3917 • (206)542.6100 • glenco1029@earthlink.net
Arborist Report for: Proposed 15 Lot Plat (cont.)
Conclusions
Per proposed Site Development Plans (ROW construction, Utility Easement) and Health Rating/
Viability assessment, only 10- trees are candidates to be retained. Owner has elected to
remove all 10 of these trees due to conflicts with individual lot building envelopes.
Replacement Trees should selected for intended use, size and form (street tree, ornamental,
screening, open space) and be adaptable to the Pacific Northwest-Puget Sound region climate.
Selection of native and drought tolerant species are encouraged.
A tree planting details have be provided on the Tree Retention Plan.
End of Report.
Submitted,
Glenn Takagi
Landscape Architect
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18550 Firlands Way North #102 • Shoreline, WA 98133-3917 • (206)542.6100 • glenco1029@earthlink.net