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TREE RENTION & LAND CLEARING PLAN
FIRE STATION #16 & MAINTAINENCE BUILDING PROJECT
CONTRACT NO.:(425) 276-9500
Renton, Washington
PREPARED FOR:
Michelle Langrehr
TCA Architecture Planning
6211 Roosevelt Way NE
Seattle, WA 98115
PREPARED BY:
Atlas Technical Consultants LLC
17619 NE 67th Court Suite 100
Redmond, WA 98052
November 13, 2024
Tree Retention Plan
Fire Station 16 & Maintenance Building Development Project
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TABLE OF CONTENTS
1. INTRODUCTION ......................................................................................................................1
2. PROJECT LOCATION .................................................................................................................1
3. EXISTING CONDITIONS ............................................................................................................1
3.1 Environmentally Critical Areas ..........................................................................................1
4. METHODS...............................................................................................................................1
4.1 Tree Inventory Methods ..................................................................................................1
4.2 Significant trees ..............................................................................................................2
4.3 Landmark Trees ..............................................................................................................2
5. TREE INVENTORY RESULTS .......................................................................................................2
6. PROJECT DISCRIPTION .............................................................................................................3
7. IMPACT ASSESSMENT ..............................................................................................................3
8. CODE ANALYSIS ......................................................................................................................4
9. MITIGATION SEQUENCING .......................................................................................................5
9.1 Avoidance ......................................................................................................................5
9.2 Minimization ..................................................................................................................5
9.3 Compensation ................................................................................................................6
10. TREE PROTECTION BMPS .......................................................................................................7
10.1 Construction BMPs ........................................................................................................8
10.2 Tree Removal ...............................................................................................................9
10.3 Post Construction BMPs .................................................................................................9
11. REFERENCES .......................................................................................................................10
TABLES
Table 1 – Summary of Significant Trees within Project Area ................................................................ 3
Table 2 – Tree removal summary..................................................................................................... 3
Table 3– Cumulative CRZ impact analysis of significant trees .............................................................. 4
APPENDICES
Appendix A– Tree Inventory Log ..................................................................................................... A
Appendix B – Tree Location & Removal Map .................................................................................... B
Appendix C – CRZ Impact Analysis .................................................................................................. C
Tree Retention Plan
Fire Station 16 & Maintenance Building Development Project
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1. INTRODUCTION
Atlas Technical Consultants (Atlas) is pleased to submit this Tree Retention/ Land Clearing Plan for the Fire Station
16 & Maintenance Building Development Project (Project). The Project will involve constructing a new 13,000 SF fire
station building and a 10,000 SF maintenance building. This includes street frontage improvements along SE 128 th
Street and an additional access point from 158th Avenue SE. Site development includes associated driveways,
parking, stormwater infrastructure, and other infrastructure as part of site development. This report is being
developed concurrently with engineering, landscape architectural, and construction work plans to be submitted for
permit approval.
This Tree Retention and Land Clearing Plan is divided into three general sections. The first summarizes the basic
findings of the tree inventory. The second analyzes the proposal and discusses impacts to the subject trees, and the
third contains recommended tree protection Best Management Practices (BMPs). This document is intended to meet
the requirements of the City of Renton.
2. PROJECT LOCATION
The proposed site is composed of seven parcels located at 15815 SE 128th Street in Renton, Washington (King County
Parcel #: 3664500008, 3664500006, 3664500330, 3664500009, 3664500006, 3664500007, and 3664500008) (Figure
1). The seven subject parcels are zoned as R-4 Residential.
3. EXISTING CONDITIONS
Residential neighborhoods border the subject parcels on all sides with a small commercial district to the east along
SE 128th Street. A major thoroughfare, SE 128th Street, forms the northern boundary and provides access to the
parcel from the north while 158th Avenue SE forms the boundary to the west. A church is located to the east. An
alley off 158th Avenue SE provides another access point to the subject parcels. Vegetation is predominately
composed of grass and gravel in the interior of the site with some existing structures. Vegetation along the perimeter
is moderately forested composed of both native and nonnative trees, such as Douglas-fir (Pseudotsuga menziesii),
Western red cedar (Thuja plicata), pencil cedar (Juniperus virginiana), and Colorado Blue Spruce (Picea pungens).
The topography of the parcel generally slopes from the southwest to the northeast.
3.1 Environmentally Critical Areas
City of Renton critical area mapping indicates there are no critical areas on the subject parcels (COR 2024).
4. METHODS
4.1 Tree Inventory Methods
One ISA-Certified Arborist and Staff Arborist conducted a site visit on March 14, 2024, to inventory and assess tree’s
rooted in the project area and immediate vicinity. Subject trees were measured for size using guidelines outlined in
the Guide for Plant Appraisal, 9th Edition (CLTA 2000) (Guide). Trunk diameters were measured 4.5 feet above the
ground surface (diameter at breast height [DBH]) using a graduated metal logger’s diameter tape. Low branching,
leaning, multi-stemmed trees, or trees on a slope were measured using the Modifications to Tree Size Measurements
section of the Guide. Multi-stemmed trees were given a one-stem equivalent diameter in the attached inventory log
using the total cross-sectional trunk area for all stems contributing to the canopy.
Tree Retention Plan
Fire Station 16 & Maintenance Building Development Project
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Height was visually estimated to the nearest five feet. A condition rating was assigned to each tree using a scale from
one to six, one being excellent and six being completely dead. The health factor combines an assessment of tree
vigor and the soundness of the above-ground structure. Tree risk was not the primary target of this assessment, but
a basic, ISA Level 1 screening of all trees in the inventory was performed. Potentially hazardous trees were noted
during the inventory.
The total developable area was determined by referencing the allowable building area and allowable impervious
area from the project Site Plan. The total developable area is the sum of these two numbers and is used to calculate
minimum tree credits per acre.
An impact assessment of the subject trees was performed to determine the effects of construction on adjacent
retain trees. This is based on the critical root zone (CRZ) of the subject tree in conflict with the work and is also
known as the limit of disturbance. The CRZ is defined as equaling one foot for every one inch of diameter. The total
area of overlap between the CRZ of a tree and the work limits is divided by the total area of the CRZ. The result is
expressed as a percentage of cumulative CRZ impact. CRZ impact levels are divided into three tiers: low (less than
25 percent), moderate (25 to 29 percent), and high (30 percent or greater). When a CRZ impact is 25 percent or
greater, retention is based on species and current health condition of the subject tree. Industry standards
recommend tree removal when 30 percent or more of the CRZ is damaged or removed.
4.2 Significant trees
The regulatory status of trees was determined by reviewing the RMC. Relevant data was used to determine
significance for evaluation of the proposal. According to Title 4-11-200 – T Definitions a significant tree is any tree
with a caliper of at least six inches, except red alder (Alnus rubra) or cottonwood (Populus balsamifera) trees, which
qualify as a significant tree with a caliper of 8 inches or greater. Trees that are judged to pose a high risk of failure
are not considered significant.
4.3 Landmark Trees
A landmark tree is defined as tree with a caliper of at least twenty-four inches or greater. This excludes red alder
and black cottonwood which are considered landmark trees with a caliper of thirty inches or greater per RMC 4-11-
200(Y)(2.).
5. TREE INVENTORY RESULTS
A total of 123 trees were identified, tagged, and assessed within and adjacent to the project limits (Table 1). Of these,
118 are large enough to be considered “significant” per the RMC. Of the 118 significant trees, 19 trees meet the
criteria for “landmark”. The most common species, at 53 individuals, is Douglas-fir (Pseudotsuga menziesii) followed
by Western red cedar (Thuja plicata) and Bigleaf maple (Acer macrophyllum). A total of ten unique tree species are
rooted adjacent to the project area. Tree attribute data is found in Appendix A while a markup showing the locations
of all inventoried trees is located in Appendix B.
The average diameter across all assessed trees is 17.6 inches (Table 1). The largest diameter trees within the project
area are Bigleaf maple and Western red cedar. Western red cedar has less stems than Bigleaf maple however the
population is larger with more cumulative diameter inches. The understory is comprised of bigleaf maple, Lawson
cypress, and wild sweet cherry. The majority of the inventoried trees were judged to be in fair condition. No hazard
trees were identified.
Tree Retention Plan
Fire Station 16 & Maintenance Building Development Project
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Table 1 – Summary of Significant Trees within Project Area
# WITHIN
PROJECT
AREA
SCIENTIFIC NAME COMMON NAME #
SIGNFCNT
#
LNDMRK
TOTAL
CMBND
DBH (IN)
AVRGE
CMBND
DBH (IN)
20 Acer macrophyllum Bigleaf Maple 20 9 484.0 24.2
9 Alnus rubra Red Alder 6 - 110.2 12.2
1 Cornus spp. Cornus species 1 - 9.1 9.2
2 Ilex aquafolium English Holly 1 - 14.3 7.2
1 Juniperus virginiana Pencil Cedar 1 - 17.7 17.7
1 Picea pungens Colorado Blue Spruce 1 - 6.1 6.1
2 Picea monitcola Western White Pine 2 - 24.5 12.3
1 Prunus avium Wild Sweet Cherry 1 - 6.0 6.1
53 Pseudotsuga menziesii Douglas-fir 53 2 793.3 15.0
33 Thuja plicata Western Red Cedar 32 8 696.7 21.1
123 118 19 2161.9 17.6
6. PROJECT DISCRIPTION
The proposal is to construct a new fire station and maintenance building for the Renton Regional Fire Authority. The
new construction includes access and frontage improvements along 128th Street SE and from 158th Avenue SE. Site
improvements include stormwater facilities, interior roadways, and parking spaces.
7. IMPACT ASSESSMENT
The Fire Station 16 & Maintenance Building Project will result in tree removal as detailed in Appendix B and Table 2.
Of the 118 significant trees inventoried, 87 trees will be removed. Of the 87 trees removed, 8 trees meet the
definition of a Landmark tree. The majority of removed subject trees are in direct conflict with the work, specifically
the street frontage improvements and sidewalk installation that will occur along 128th Street SE.
Table 2 – Tree removal summary
# WITHIN
PROJECT
AREA
SCIENTIFIC NAME COMMON NAME #
SIGNFCNT
#
REMOVED
SIGNIFCNT
#
REMOVED
LANDMARK
TOTAL
RMVD
DIAM (IN)
20 Acer macrophyllum Bigleaf Maple 20 8 3 189.6
9 Alnus rubra Red Alder 6 5 - 50.5
1 Cornus spp. Cornus species 1 1 - 9.1
2 Ilex aquafolium English Holly 1 - - -
1 Juniperus virginiana Juniper 1 1 - 17.7
1 Picea pungens Colorado Blue Spruce 1 - - -
2 Picea monitcola Western White Pine 2 2 - 24.5
1 Prunus avium Wild Sweet Cherry 1 - - 6.0
53 Pseudotsuga menziesii Douglas-fir 53 45 - 634.3
33 Thuja plicata Western Red Cedar 32 28 5 660
123 118 87 8 1591.7
A critical root zone (CRZ) analysis was performed for trees rooted adjacent to the proposed building and associated
infrastructure (Appendix C). In total, nine trees meet the “low” cumulative CRZ impact threshold (between 1 and 24
percent) while three trees meet the “moderate” cumulative CRZ impact threshold (between 25 and 29 percent). Six
trees meet the “high” CRZ impact category (30 percent or more) and are recommended for removal (Table 3). The
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Fire Station 16 & Maintenance Building Development Project
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majority of trees that received a CRZ analysis are located on the east and south quadrants of the site. In some
instances, trees within the low impact threshold are recommended to be removed due to their location on a slope
and the extent of grading and fill placement to stabilize the new driveway. This scenario addresses tree numbers
2514, 2515, and 2507. Subject trees whose CRZ analysis was in the “moderate” threshold are also recommended to
be removed due to the same reasoning.
Table 3– Cumulative CRZ impact analysis of significant trees
TREE
TAG
#
SCIENTIFIC NAME COMMON
NAME
DBH
(IN)
HLTH
CONDN
CMLTV CRZ
IMPCT (%)
(DC=DRCT
CONFLICT)
IMPACT
CTGRY
(L=low)
ACTION
(r=RMVE)
2516 Acer macrophyllum Bigleaf maple 23.0 Fair 37 HIGH r
2513 Alnus rubra Red alder 14.0 Fair 25 MOD r
2514 Alnus rubra Red alder 8.4 Fair 5 L r
2515 Alnus rubra Red alder 14.9 Fair 17 L r
2510 Acer macrophyllum Bigleaf maple 31.5 Fair 11 L PROTECT
2508 Acer macrophyllum Bigleaf maple 48.9 Fair 36 HIGH r
2507 Pseudotsuga menziesii Douglas-fir 14.5 Fair 21 L r
2504 Acer macrophyllum Bigleaf maple 16.7 Fair 25 MOD r
2503 Acer macrophyllum Bigleaf maple 28.2 Fair 38 HIGH r
2501 Acer macrophyllum Bigleaf maple 25.9 Fair 12 L PROTECT
2700 Acer macrophyllum Bigleaf maple 8.8 Fair DC HIGH r
2698 Acer macrophyllum Bigleaf maple 45.0 Fair 36 HIGH r
2697 Acer macrophyllum Bigleaf maple 12.0 Fair 40 HIGH r
2693 Acer macrophyllum Bigleaf maple 38.4 Fair 8 L PROTECT
2694 Acer macrophyllum Bigleaf maple 48.4 Poor <1 L PROTECT
2688 Thuja plicata Western red cedar 39.6 Fair 16 L PROTECT
2687 Thuja plicata Western red cedar 39.3 Fair 20 L PROTECT
2663 Thuja plicata Western red cedar 51.5 Good 29 MOD r
Removed trees are not expected to adversely impact adjacent retain trees. Tree removal due to CRZ impacts will
generally occur to the first line of trees in proximity to the proposed edge of driveway on the eastern portion of the
site. Removal of this stand is unlikely to impact adjacent retain trees since a clear path for removal from the west is
present and the majority of proposed remove tree canopy does not overlap with retain tree canopy. In instances
where overlap does occur it is minor. The remaining protected trees are set back from this line, have wind protection
to the south, and the canopies of the larger diameter trees do interlock and form groupings. No adverse impacts
from tree removal are anticipated to the grove. The grove on the south side of the project will be protected in its
entirety and the individual groves have interlocking canopies.
8. CODE ANALYSIS
This project is subject to the provisions of RMC 4-4-130 – Tree retention and land clearing regulations. This project
falls under section 4-4-130(H). According to the RMC, the applicant is required to develop a tree retention plan to
preserve and enhance the City’s physical and aesthetic character by minimizing indiscriminate removal or
destruction of trees, shrubs, and ground cover; 2) Implement and further the goals and policies of the City’s
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Fire Station 16 & Maintenance Building Development Project
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Comprehensive Plan for the environment, open space, wildlife habitat, vegetation, resources, surface drainage,
watersheds, and economics; 3) Promote land development practices that result in minimal adverse disturbance to
existing vegetation and soils within the City while also recognizing that certain factors may require the removal of
certain trees and ground cover; 4) Minimize surface water and groundwater runoff and diversion, and aid in the
stabilization of soil while minimizing erosion and sedimentation, and the need for additional storm drainage facilities
caused by the destabilization of soils; 5) Retain clusters of trees for the abatement of noise and for wind protection,
and reduce air pollution by producing pure oxygen from carbon dioxide; 6) Protect trees during construction
activities from damage to tree roots, trunks, and branches; and 7) Recognize that trees increase real estate values.
The applicant is required to retain and protect trees based on priority level. Per RMC 4-4-130.(H.)(c.)., landmark trees
are the first priority for retention followed by significant trees that form a continuous canopy. Priority one retention
value trees in the project area are the landmark trees to be retained on the east and south perimeter of the site. O f
the 19 landmark trees rooted on the project site, nine landmark trees will be removed, while 11 landmark trees will
be retained. Significant trees that form an interlocking canopy are the groupings along the southern edge of the
project composed of Bigleaf maple, Western red cedar, and Douglas-fir.
Tree retention standards are determined by developable area. The developable area as defined by RMC 4-11-
040(D.)(T.) includes all areas not encumbered by critical areas, critical area and shoreline buffers, and public rights-
of-way that are otherwise developable. Retained trees within the developable area apply towards required
landscaping requirements. The total developable area is: 128,961.
For development projects such as this, replacement trees are necessary if a certain number of tree credits cannot
be achieved during the initial retention process. See the “compensation” section below for an analysis of
replacement trees per the code section cited here.
9. MITIGATION SEQUENCING
Mitigation sequencing is a guidance concept typically required for projects near protected critical areas such as
wetlands, streams, and associated buffers. An applicant is compelled, through an iterative design process, to first
avoid impacts where possible, then reduce the magnitude of proposed damage, and finally to compensate for any
unavoidable permanent or temporary loss of the natural resource. This principal can also be applied to protect and
preserve tree canopy. The following section discusses how the applicant and design team followed principles of
mitigation sequencing.
9.1 Avoidance
Total avoidance of tree removal on the project was not possible. However, the project did avoid impacting the
majority of the trees rooted along the eastern perimeter. Additionally, the subject trees rooted on the southern
perimeter were also able to be protected in their entirety.
9.2 Minimization
The Project conducted multiple iterations of planning and discussion to reduce impacts to on-site trees. The arborist
collaborated with the design team during each stage of the design to review engineering alternatives and weigh in
on the elements of work that could impact on-site trees. Most notably, the team tried to move infrastructure such
as the steps near the guest parking area to save a small grouping of trees, tree numbers 2619, 2620, 2621, and 2622.
This was not feasible since the driveway needed to be wider to meet the code. Additionally, multiple meetings were
held to work through engineering alternatives for the grove of Douglas-fir rooted on the west side of the site. This
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Fire Station 16 & Maintenance Building Development Project
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included changing the rockery to a retaining wall as well as exploring other possible solutions for accommodating a
grade change in the vicinity that would result in minor CRZ impacts to the subject trees. Ultimately, the building was
shifted further west which required tree removal to accommodate the structure.
The Project will occur in both paved and unpaved areas. Equipment will be staged on pavement during excavation
and sidewalk work on the southern portion of the project, when possible, to avoid impacting adjacent significant
trees. In accordance with RMC 4-4-130(H).10., tree protection fencing, root discovery and pruning methods will be
employed during construction and any pruning needed for clearance will follow industry standard practices. Proper
BMP installation, as discussed below, will help to ensure the subject trees retained adjacent to the work have limited
health effects over the course of construction.
9.3 Compensation
The Project will require the removal of five significant trees. RMC 4-4-130(H.)(1.)a., requires at least 30 percent of
all significant trees be retained on site. The project must also meet the minimum tree retention credits based on the
retention credits for retain, protected, trees. The following information shows the calculations to determine these
thresholds.
Minimum Tree Retention Requirements by Sum of Significant
Total number of significant trees on site: 118
Total significant trees to be removed: 87 (Table 2)
118*.30=35.4 trees to be retained (at a minimum)
Rounded to 35 trees per RMC 4-4-130(H.)(d.)
The project is retaining 31 significant trees and does not meet the tree minimum tree retention requirements.
Tree Credit Requirements
Total site developable area: 128,961. (2.96 acres)
Rounded up to 3 acres
3 * 30 = 90 tree credits required
Total tree credits for retained trees: 193
The above information indicates that the tree removal action for the Fire Station 16 & Maintenance Building Project
meets the minimum tree credit requirements. The minimum tree retention requirements were not met and there is
a delta of four trees. The applicant wishes to waive the delta of four trees under the minimum retention
requirements to be replaced with additional trees as part of the project design since the project is constructing
necessary public infrastructure and the tree retention credits have been met. The project will install additional new
small tree species (30-feet-tall or less at maturity) in addition to new medium trees (30 to 50-feet-tall at maturity)
and new large tree species (50-feet-tall or more at maturity) for a total of 213.5 proposed tree credits. These
supplemental trees will be a minimum size of two inches in caliper or at least six-feet-tall if an evergreen species. Pl
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Fire Station 16 & Maintenance Building Development Project
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10. TREE PROTECTION BMPS
This section outlines a list of best management practices and procedures that should be set up and followed ahead
of and during construction. These include physical items mentioned in RMC 4-4-130(2.) such as fencing and signage,
but also includes preconstruction meetings with the contractor to ensure the intent of this plan is met, that impacted
roots and branches are treated according to industry standards, and that procedures are in place for unanticipated
changes.
A. Pre-Construction Meeting
a. Schedule and conduct a pre-construction meeting with the owner and the contractor prior to
beginning work to review any questions the contractor may have regarding trees and vegetation
requiring protection. Following the meeting, a walkthrough with the contractor to discuss the
contractor’s plan for setting up and maintaining tree protection BMPs prior to work should be
completed.
b. Prior to this meeting, mark all trees to remain and or to be removed as described in this
specification for review and approval by the applicant.
B. Establish Tree Protection Zone (TPZ)
a. Establish high-visibility construction fencing (HVCF) or chain link fencing if appropriate prior to land
disturbing activity along the clearing limits and/or tree protection zone as detailed in Appendix B
or as determined by the arborist. Fencing must be a minimum of four feet tall per RMC 4-4-
130(H.)(10)(a.).
b. Fencing shall be established at the edge of the critical root zone of protected and retained trees,
or at the location indicated on the construction drawings if work is within the CRZ. The zone to be
protected is called the TPZ.
c. Install tree protection signage on the fence of each discrete TPZ. Signs will state, “Protection of
these Trees is in your care. Alteration or disturbance is prohibited by law” and provide the City
phone number for code enforcement to report violations. Signs must be placed along the tree
protection fencing at 20-foot intervals per RMC 4-4-130(H.)(10.)(b.)
d. No construction access or equipment storage shall be allowed in the tree protection area or placed
near trees.
e. No excavation or compaction of soil will be allowed within the TPZ once established. Any proposed
change or temporary relocation to perform the work must be approved and supervised by the
Arborist.
f. The tree protection fencing shall stay in place for the duration of the project.
C. Identify Roots of Protected Trees that may be impacted:
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Fire Station 16 & Maintenance Building Development Project
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a. Prior to construction, identify and mark with spray paint all visible, large roots from trees to be
protected in the construction area (roots from trees to be removed are excluded and may be
destroyed).
b. Large diameter roots (roots larger than 2 inches in diameter) from retain trees should be cut by
hand at the furthest point from the tree as possible while still allowing for excavation to occur for
the project element.
c. Air spading may be used for root discovery and may be employed under the supervision of the
arborist to understand root architecture when installing utilities or other activities that may
require root pruning. This allows for clean root pruning adjacent to, for example underground
structure installation, or may allow utilities to be installed underneath the root structure, limiting
impact to the subject tree.
d. Do not cut large tree roots with hydraulic equipment such as an excavator bucket as this may
damage roots inside of the TPZ.
10.1 Construction BMPs
A. Order of Operations for Construction
1. Install tree protection fencing.
2. Remove trees per the Tree protection Plan sheet in Appendix C. Do not grub. Stumps will be ground
unless flagged to be removed by the arborist by an excavator due to the subject tree being rooted
away from other trees.
3. Prune retain trees for construction access if needed using industry standard practices.
4. Tie back flexible branches prior to work if needed or as shown in Appendix B.
5. Install trunk protection BMPs for retained trees if work will be very close to any trunks, as needed.
6. Perform the work.
7. Install mitigation plantings, if required.
B. Root Pruning for Retained Trees Adjacent to Work (does not apply to the removed trees)
8. Roots 2 inch and larger in diameter (from retained trees) and that conflict with the project shall
only be cut back to the minimum necessary. Work shall be performed and scheduled to close
excavations as quickly as possible over exposed roots.
9. Roots (from retained trees) larger than 2 inches in diameter shall be hand cut using a sharp saw.
Large roots shall not be cut with hydraulically driven equipment (excavator buckets, etc.) as they
typically “rip” or “tear” roots beyond protection limits and damage the root zone beyond the
necessary amount.
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10. Retained trees that receive excessive root impacts from excavation shall be evaluated by a
Certified Arborist.
10.2 Tree Removal
A. Remove all trees indicated by the project plans and specifications, as requiring removal, in a manner that
will not damage adjacent trees, structures, or compact the soil in protection zones. This includes grinding
stumps unless removal by equipment is approved by the Arborist.
B. Remove trees that are adjacent to protected trees and structures, in sections, to limit the opportunity of
damage to adjacent crowns, trunks, ground plane elements or structures.
C. Protect adjacent paving, soil, trees, ground cover plantings and understory plants to remain from damage
during all tree removal operations. Protection includes the root system, trunk, limbs, and crown from
breaking or scarring, and the soil from compaction.
10.3 Post Construction BMPs
A. Removal of Fencing and other Plant Protection
1. At the end of the construction period and when consistent with the requirement of other
permits (e.g., site stability is achieved per the requirements of the NPDES permits for
construction stormwater), remove all construction fencing, temporary wood chips, temporary
mulch, geotextile, trunk protection or any other tree and plant protection material.
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11. REFERENCES
Council of Tree and Landscape Appraisers. (2000). Guide for Plant Appraisal (9th) Addition. Champaign, IL:
International Society of Arboriculture.
City of Renton COR Maps. 2024. Maps and GIS Data. Available from:
https://maps.rentonwa.gov/Html5viewer/Index.html?viewer=cormaps
Renton Municipal Code. 2024. Section 4-4-130 – Tree Retention and Land Clearing. Available from:
https://www.codepublishing.com/WA/Renton/#!/Renton04/Renton0404/Renton0404130.html
A
APPENDIX A– TREE INVENTORY LOG
Fire Station 16 Maintianence Building Tree Log
Renton Regional Fire Authority
Tree Attribute Data
Inventory issued: 11/05/2024
Field Investigation: 03/14/2024
TAG NO. SPECIES NAME # STEMS
DBH 1
(IN)
DBH 2
(IN)
DBH 3
(IN)
DBH 4
(IN)
DBH 5
(IN)
DBH 6
(IN)HEIGHT (FEET)CANOPY RADIUS
(FEET)CNDTN CMBND DBH*
(IN)
CRITICAL ROOT
ZONE RADIUS
(FEET)
SIG PER RMC LANDMARK PER
RMC
ROOTED OFF
PARCEL
PROPOSED
ACTION
r=REMOVE
TREE CREDITS
PER RMC NOTES
1 2501 Acer macrophyllum, (Bigleaf Maple) 1 25.9 80 20 FAIR 25.9 26.0 X X PROTECT 10
2 2502 Acer macrophyllum, (Bigleaf Maple) 1 12.9 65 8 FAIR 12.9 13.0 X PROTECT 6 TRUNK WOUND
3 2503 Acer macrophyllum, (Bigleaf Maple) 1 28.2 75 16 FAIR 28.2 28.0 X X r TRUNK WOUND
4 2504 Acer macrophyllum, (Bigleaf Maple) 3 13.9 7.1 6.2 50 12 FAIR 16.8 17.0 X r
5 2505 Alnus rubra, (Red Alder) 1 24.6 50 10 POOR 24.6 25.0 X PROTECT 9 MUTIPLE WOUNDS AT BAS E
6 2506 Acer macrophyllum, (Bigleaf Maple) 3 15.5 13.9 16.0 50 12 FAIR 26.3 26.0 X X PROTECT 10 TRUNK WOUND
7 2507 Pseudotsuga menziesii, (Douglas-fir) 1 14.5 70 12 FAIR 14.5 15.0 X r
8 2508 Acer macrophyllum, (Bigleaf Maple) 1 48.9 80 25 FAIR 48.9 49.0 X X r
9 2509 Acer macrophyllum, (Bigleaf Maple) 1 9.5 45 10 FAIR 9.5 10.0 X PROTECT 4
10 2510 Acer macrophyllum, (Bigleaf Maple) 1 31.5 75 20 FAIR 31.5 32.0 X X PROTECT 11 TRUNK WOUND
11 2511 Acer macrophyllum, (Bigleaf Maple) 1 23.6 65 20 FAIR 23.6 24.0 X PROTECT 9
12 2512 Acer macrophyllum, (Bigleaf Maple) 1 37.0 75 18 FAIR 37.0 37.0 X X PROTECT 13
13 2513 Alnus rubra, (Red Alder) 1 14.0 55 8 FAIR 14.0 14.0 X r
14 2514 Alnus rubra, (Red Alder) 1 8.4 60 10 FAIR 8.4 8.0 X r
15 2515 Alnus rubra, (Red Alder) 3 11.7 6.4 6.8 60 12 FAIR 15.0 15.0 X r
16 2516 Acer macrophyllum, (Bigleaf Maple) 1 23.0 50 17 FAIR 23.0 23.0 X r
17 2601 Thuja plicata, (Western Red Cedar) 1 22.7 50 8 FAIR 22.7 23.0 X r LARGE TRUNK WOUND
18 2602 Pseudotsuga menziesii, (Douglas-fir) 1 11.9 50 6 DEAD 11.9 12.0 X r
19 2603 Thuja plicata, (Western Red Cedar) 1 8.7 55 6 FAIR 8.7 9.0 X r
20 2604 Pseudotsuga menziesii, (Douglas-fir) 1 16.3 40 6 V. POOR 16.3 16.0 X r TOPPED; FRUITING BODIES
21 2605 Thuja plicata, (Western Red Cedar) 2 22.0 6.4 55 7 GOOD 22.9 22.0 X r
22 2606 Pseudotsuga menziesii, (Douglas-fir) 1 14.6 45 8 FAIR 14.6 15.0 X r TOPPED; FRUTING BODIES
23 2607 Thuja plicata, (Western Red Cedar) 1 18.4 55 12 FAIR 18.4 18.0 X r
24 2608 Pseudotsuga menziesii, (Douglas-fir) 1 13.6 50 10 FAIR 13.6 14.0 X r SMALL HOLES IN BARK
25 2609 Thuja plicata, (Western Red Cedar) 1 21.2 55 15 FAIR 21.2 21.0 X r CODOM
26 2610 Acer macrophyllum, (Bigleaf Maple) 1 6.9 50 8 FAIR 6.9 7.0 X r
27 2611 Thuja plicata, (Western Red Cedar) 2 11.9 19.1 55 17 FAIR 22.5 23.0 X r
28 2612 Thuja plicata, (Western Red Cedar) 1 25.4 55 15 FAIR 25.4 25.0 X X r
29 2613 Thuja plicata, (Western Red Cedar) 1 22.1 55 16 FAIR 22.1 22.0 X r
30 2614 Pseudotsuga menziesii, (Douglas-fir) 1 11.0 55 15 FAIR 11.0 11.0 X r
31 2615 Alnus rubra, (Red Alder) 1 5.2 20 5 FAIR 5.2 5.0 r
32 2616 Pseudotsuga menziesii, (Douglas-fir) 1 14.9 50 15 FAIR 14.9 15.0 X X PROTECT
33 2617 Thuja plicata, (Western Red Cedar) 1 24.3 55 18 FAIR 24.3 24.0 X X r
34 2618 Pseudotsuga menziesii, (Douglas-fir) 1 10.3 20 0 V. POOR 10.3 10.0 X r COVERED IN INVY; TOPPED; NEARLY DEAD
35 2619 Pseudotsuga menziesii, (Douglas-fir) 1 17.9 30 0 V. POOR 17.9 18.0 X r TOPPED; FRUITING BODIES
36 2620 Thuja plicata, (Western Red Cedar) 3 11.4 17.3 4.9 55 17 FAIR 21.3 21.0 X r
37 2621 Thuja plicata, (Western Red Cedar) 2 14.3 19.1 60 17 FAIR 23.9 24.0 X r
38 2622 Thuja plicata, (Western Red Cedar) 2 14.0 17.5 60 16 FAIR 22.4 22.0 X r
39 2623 Thuja plicata, (Western Red Cedar) 1 19.5 55 16 FAIR 19.5 20.0 X r
40 2624 Pseudotsuga menziesii, (Douglas-fir) 1 13.0 50 12 FAIR 13.0 13.0 X r
41 2625 Alnus rubra, (Red Alder) 1 7.9 50 10 FAIR 7.9 8.0 r
42 2626 Pseudotsuga menziesii, (Douglas-fir) 1 18.8 55 18 FAIR 18.8 19.0 X r
43 2627 Pseudotsuga menziesii, (Douglas-fir) 1 17.6 60 20 FAIR 17.6 18.0 X r
DBH=Trunk diameter at
4.5 feet above grade
CRZ=Critical Root Zone 17619 NE 67th Ct. Suite 100 Redmond, WA 98052 | Phone: 425.429.7800 | Fax: 425.633.2284 | www.oneatlas.com Page 1 OF 3
Fire Station 16 Maintianence Building Tree Log
Renton Regional Fire Authority
Tree Attribute Data
Inventory issued: 11/05/2024
Field Investigation: 03/14/2024
TAG NO. SPECIES NAME # STEMS
DBH 1
(IN)
DBH 2
(IN)
DBH 3
(IN)
DBH 4
(IN)
DBH 5
(IN)
DBH 6
(IN)HEIGHT (FEET)CANOPY RADIUS
(FEET)CNDTN CMBND DBH*
(IN)
CRITICAL ROOT
ZONE RADIUS
(FEET)
SIG PER RMC LANDMARK PER
RMC
ROOTED OFF
PARCEL
PROPOSED
ACTION
r=REMOVE
TREE CREDITS
PER RMC NOTES
44 2628 Pseudotsuga menziesii, (Douglas-fir) 1 12.6 55 18 FAIR 12.6 13.0 X r
45 2629 Pseudotsuga menziesii, (Douglas-fir) 1 14.4 60 18 FAIR 14.4 14.0 X r
46 2630 Pseudotsuga menziesii, (Douglas-fir) 1 16.3 55 18 FAIR 16.3 16.0 X r
47 2631 Pseudotsuga menziesii, (Douglas-fir) 1 11.0 55 16 FAIR 11.0 11.0 X r
48 2632 Pseudotsuga menziesii, (Douglas-fir) 1 11.4 55 18 FAIR 11.4 11.0 X r
49 2633 Pseudotsuga menziesii, (Douglas-fir) 1 14.9 60 20 FAIR 14.9 15.0 X r
50 2634 Pseudotsuga menziesii, (Douglas-fir) 1 11.1 55 17 FAIR 11.1 11.0 X r
51 2635 Thuja plicata, (Western Red Cedar) 1 10.2 50 14 FAIR 10.2 10.0 X r
52 2636 Pseudotsuga menziesii, (Douglas-fir) 1 12.2 50 14 FAIR 12.2 12.0 X r
53 2637 Pseudotsuga menziesii, (Douglas-fir) 1 15.2 55 18 FAIR 15.2 15.0 X r
54 2638 Pseudotsuga menziesii, (Douglas-fir) 1 9.5 70 5 FAIR 9.5 10.0 X r LOW LCR
55 2639 Pseudotsuga menziesii, (Douglas-fir) 1 13.7 60 20 FAIR 13.7 14.0 X r
56 2640 Pseudotsuga menziesii, (Douglas-fir) 1 17.3 55 18 FAIR 17.3 17.0 X r
57 2641 Pseudotsuga menziesii, (Douglas-fir) 1 9.3 55 18 FAIR 9.3 9.0 X r
58 2642 Pseudotsuga menziesii, (Douglas-fir) 1 13.0 60 20 FAIR 13.0 13.0 X r
59 2643 Thuja plicata, (Western Red Cedar) 1 7.7 45 15 FAIR 7.7 8.0 X r
60 2644 Pseudotsuga menziesii, (Douglas-fir) 1 10.1 60 12 FAIR 10.1 10.0 X r
61 2645 Thuja plicata, (Western Red Cedar) 1 11.6 60 14 FAIR 11.6 12.0 X r
62 2646 Thuja plicata, (Western Red Cedar) 1 15.2 60 16 FAIR 15.2 15.0 X r TRUNK WOUND
63 2647 Pseudotsuga menziesii, (Douglas-fir) 1 12.4 65 10 FAIR 12.4 12.0 X r
64 2648 Thuja plicata, (Western Red Cedar) 2 9.8 17.9 60 18 FAIR 20.4 20.0 X r
65 2649 Pseudotsuga menziesii, (Douglas-fir) 1 14.4 70 11 FAIR 14.4 14.0 X r
66 2650 Thuja plicata, (Western Red Cedar) 2 12.3 10.9 60 13 FAIR 16.4 16.0 X r TRUNK WOUND
67 2651 Pseudotsuga menziesii, (Douglas-fir) 1 10.2 60 10 V. POOR 10.2 10.0 X r NO FOLIAGE
68 2652 Pseudotsuga menziesii, (Douglas-fir) 1 22.3 70 15 FAIR 22.3 22.0 X r
69 2653 Pinus monticola, (Western White Pine) 1 12.6 50 10 FAIR 12.6 13.0 X r TRUNK WOUND; BARK PEELING OFF
70 2654 Pseudotsuga menziesii, (Douglas-fir) 1 14.9 35 12 V. POOR 14.9 15.0 X r TOPPED; FRUITING BODIES
71 2655 Pseudotsuga menziesii, (Douglas-fir) 1 18.1 60 16 FAIR 18.1 18.0 X r
72 2656 Pseudotsuga menziesii, (Douglas-fir) 1 15.1 60 15 FAIR 15.1 15.0 X r
73 2657 Pseudotsuga menziesii, (Douglas-fir) 1 14.5 60 13 FAIR 14.5 15.0 X r
74 2658 Pseudotsuga menziesii, (Douglas-fir) 1 17.1 65 15 FAIR 17.1 17.0 X r TRUNK WOUND
75 2659 Pseudotsuga menziesii, (Douglas-fir) 1 18.6 65 17 FAIR 18.6 19.0 X r
76 2660 Pseudotsuga menziesii, (Douglas-fir) 1 14.0 65 16 FAIR 14.0 14.0 X r
77 2661 Pseudotsuga menziesii, (Douglas-fir) 1 19.2 70 15 FAIR 19.2 19.0 X r
78 2662 Juniperus virginiana, (Pencil Cedar) 1 17.7 40 8 FAIR 17.7 18.0 X r
79 2663 Thuja plicata, (Western Red Cedar) 1 51.5 100 20 GOOD 51.5 52.0 X X r
80 2664 Pinus monticola, (Western White Pine) 1 11.9 50 5 FAIR 11.9 12.0 X r
81 2665 Pseudotsuga menziesii, (Douglas-fir) 1 23.5 70 16 FAIR 23.5 24.0 X r
82 2666 Thuja plicata, (Western Red Cedar) 1 4.8 40 6 FAIR 4.8 5.0 r
83 2667 Pseudotsuga menziesii, (Douglas-fir) 1 6.1 55 8 FAIR 6.1 6.0 X r
84 2668 Pseudotsuga menziesii, (Douglas-fir) 1 14.6 50 10 FAIR 14.6 15.0 X r
85 2669 Thuja plicata, (Western Red Cedar) 2 10.3 8.7 45 8 FAIR 13.5 13.0 X r TRUNK WOUND
86 2670 Pseudotsuga menziesii, (Douglas-fir) 1 12.8 55 10 FAIR 12.8 13.0 X r
DBH=Trunk diameter at
4.5 feet above grade
CRZ=Critical Root Zone 17619 NE 67th Ct. Suite 100 Redmond, WA 98052 | Phone: 425.429.7800 | Fax: 425.633.2284 | www.oneatlas.com Page 2 OF 3
Fire Station 16 Maintianence Building Tree Log
Renton Regional Fire Authority
Tree Attribute Data
Inventory issued: 11/05/2024
Field Investigation: 03/14/2024
TAG NO. SPECIES NAME # STEMS
DBH 1
(IN)
DBH 2
(IN)
DBH 3
(IN)
DBH 4
(IN)
DBH 5
(IN)
DBH 6
(IN)HEIGHT (FEET)CANOPY RADIUS
(FEET)CNDTN CMBND DBH*
(IN)
CRITICAL ROOT
ZONE RADIUS
(FEET)
SIG PER RMC LANDMARK PER
RMC
ROOTED OFF
PARCEL
PROPOSED
ACTION
r=REMOVE
TREE CREDITS
PER RMC NOTES
87 2671 Pseudotsuga menziesii, (Douglas-fir) 1 10.5 50 8 FAIR 10.5 11.0 X r
88 2672 Pseudotsuga menziesii, (Douglas-fir) 1 11.6 55 8 FAIR 11.6 12.0 X r
89 2673 Thuja plicata, (Western Red Cedar) 1 10.1 45 6 FAIR 10.1 10.0 X r
90 2674 Thuja plicata, (Western Red Cedar) 1 14.1 40 7 FAIR 14.1 14.0 X r
91 2675 Thuja plicata, (Western Red Cedar) 1 13.9 45 7 FAIR 13.9 14.0 X r
92 2676 Pseudotsuga menziesii, (Douglas-fir) 1 12.9 50 10 FAIR 12.9 13.0 X r
93 2677 Thuja plicata, (Western Red Cedar) 1 18.5 40 6 FAIR 18.5 19.0 X r
94 2678 Picea pungens, (Colorado Blue Spruce) 1 6.1 30 4 FAIR 6.1 6.0 X X PROTECT
95 2679 Thuja plicata, (Western Red Cedar) 1 26.2 90 13 FAIR 26.2 26.0 X X r
96 2680 Thuja plicata, (Western Red Cedar) 2 29.5 41.0 90 13 FAIR 50.5 51.0 X X r
97 2681 Cornus sp., (Dogwood, unknown sp.) 2 7.4 5.4 30 7 FAIR 9.2 9.0 X r
98 2682 Pseudotsuga menziesii, (Douglas-fir) 1 43.5 75 16 FAIR 43.5 44.0 X X X PROTECT
99 2683 Alnus rubra, (Red Alder) 1 15.3 50 7 FAIR 15.3 15.0 X X PROTECT
100 2684 Ilex aquifolium, (English Holly) 1 5.3 45 8 FAIR 5.3 5.0 X PROTECT
101 2685 Ilex aquifolium, (English Holly) 1 9.0 45 7 FAIR 9.0 9.0 X X PROTECT
102 2686 Pseudotsuga menziesii, (Douglas-fir) 1 24.6 70 14 FAIR 24.6 25.0 X X X PROTECT CODOM
103 2687 Thuja plicata, (Western Red Cedar) 1 39.3 65 15 FAIR 39.3 39.0 X X PROTECT 13 CODOM
104 2688 Thuja plicata, (Western Red Cedar) 1 39.6 65 18 FAIR 39.6 40.0 X X PROTECT 13
105 2689 Pseudotsuga menziesii, (Douglas-fir) 1 15.0 70 10 FAIR 15.0 15.0 X PROTECT 6
106 2690 Pseudotsuga menziesii, (Douglas-fir) 1 21.0 75 18 FAIR 21.0 21.0 X PROTECT 8
107 2691 Thuja plicata, (Western Red Cedar) 3 6.9 8.1 14.0 70 15 FAIR 17.6 18.0 X PROTECT 7
108 2692 Alnus rubra, (Red Alder) 1 6.1 45 12 FAIR 6.1 6.0 PROTECT 4
109 2693 Acer macrophyllum, (Bigleaf Maple) 2 25.2 29.0 70 20 FAIR 38.4 38.0 X X PROTECT 13
110 2694 Acer macrophyllum, (Bigleaf Maple) 2 20.3 44.0 75 18 POOR 48.5 48.0 X X PROTECT 13 LARGE CAVITY
111 2695 Acer macrophyllum, (Bigleaf Maple) 1 21.3 75 15 FAIR 21.3 21.0 X X PROTECT
112 2696 Acer macrophyllum, (Bigleaf Maple) 3 8.3 8.4 6.6 45 10 FAIR 13.5 14.0 X PROTECT 6
113 2697 Acer macrophyllum, (Bigleaf Maple) 1 12.0 50 12 FAIR 12.0 12.0 X r
114 2698 Acer macrophyllum, (Bigleaf Maple) 1 45.0 40 8 FAIR 45.0 45.0 X X r
115 2699 Alnus rubra, (Red Alder) 3 7.8 7.0 8.8 45 10 FAIR 13.7 14.0 X PROTECT 6
116 2700 Acer macrophyllum, (Bigleaf Maple) 2 7.0 5.4 40 8 FAIR 8.8 9.0 X r
117 2701 Thuja plicata, (Western Red Cedar) 2 20.0 20.0 50 10 FAIR 28.3 28.0 X X X PROTECT VISUALLY ASSESSED
118 2702 Prunus avium, (Wild Sweet Cherry) 1 6.0 30 8 FAIR 6.0 6.0 X PROTECT 4 VISUALLY ASSESSED
119 2703 Thuja plicata, (Western Red Cedar) 1 12.0 40 10 FAIR 12.0 12.0 X PROTECT 6 VISUALLY ASSESSED
120 2704 Pseudotsuga menziesii, (Douglas-fir) 1 16.0 50 8 FAIR 16.0 16.0 X PROTECT 7 VISUALLY ASSESSED
121 2705 Pseudotsuga menziesii, (Douglas-fir) 1 10.0 40 6 FAIR 10.0 10.0 X PROTECT 5 VISUALLY ASSESSED
122 2706 Acer macrophyllum, (Bigleaf Maple) 1 6.0 25 4 FAIR 6.0 6.0 X PROTECT 4 VISUALLY ASSESSED
123 2707 Pseudotsuga menziesii, (Douglas-fir) 1 14.0 0.0 45 10 FAIR 14.0 14.0 X PROTECT 6 VISUALLY ASSESSED
DBH=Trunk diameter at
4.5 feet above grade
CRZ=Critical Root Zone 17619 NE 67th Ct. Suite 100 Redmond, WA 98052 | Phone: 425.429.7800 | Fax: 425.633.2284 | www.oneatlas.com Page 3 OF 3
B
APPENDIX B – TREE LOCATION & REMOVAL MAP
T
T
SE 128TH ST
1
5
8
T
H
A
V
E
S
E
N
GRAPHIC SCALE
0 50 100 FEET
1" = 50 FEET
25
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
32
DFGD
JUNE 12, 2023
2220496.50
18002 108TH AVE SE
RENTON, WA 98055
RENTON REGIONAL FIRE
AUTHORITY
15815 SE 128TH STREET
TOPOGRAPHIC
SURVEY
A PORTION OF THE NW 1/4 OF THE NE 1/4 OF SECTION 14, TOWNSHIP 23 NORTH, RANGE 05 EAST, W.M.,
KING COUNTY, WASHINGTON.
15815 SE 128TH STREET TOPOGRAPHIC SURVEY
2
TOPOGRAPHIC
SURVEY
T
LEGEND
MATCHLINE SEE SHEET 3
2663
2661
2701
2660
2659
2658
2657
2656
2655
2654
2653
2652
2651
2650
26482649
2647
2646
2645
2644
2643
2642
2640
2641 26
0
1
26
0
2
26
0
3
26
0
4
26
0
5
26
0
6
26
0
7
26
0
8
26
0
9
26
1
0
26
3
4
26
1
1
26
3
8
26
1
2
26
1
5
26
1
3
26
1
4
2616
2622
2621
2620
2619
2662
2617
2618
2624
2625
2626
26272628
2629
2630
2631263226332635
2636
2637
2639
X
X
X
X
X
XXXXXXX
X
XXXXXX
X X XX
X
X
X
X
X
XXXXXX
X
X
X
X
X
X
X
X
X
X
X
LEGEND
TREE TO BE REMOVEDX
NEWLY ASSESSED TREE
LANDMARK
LANDMARK
LANDMARK
LANDMARK
X
XXX
X
X
XX
X
X
X
X
X
X
X
2623
MARKUPS BY SHANNON INGEBRIGHT;
CERTIFIED ARBORIST. ATLAS.
UPDATED JUNE 28, 2024. 570-351-1333
X
X
1
5
8
T
H
A
V
E
S
E
ALLEY
N
GRAPHIC SCALE
0 50 100 FEET
1" = 50 FEET
25
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422TEL 253.383.2572FAX www.ahbl.comWEB
TACOMA SEATTLE SPOKANE TRI-CITIES
33
DFGD
JUNE 12, 2023
2220496.50
18002 108TH AVE SE
RENTON, WA 98055
RENTON REGIONAL FIRE
AUTHORITY
15815 SE 128TH STREET
TOPOGRAPHIC
SURVEY
A PORTION OF THE NW 1/4 OF THE NE 1/4 OF SECTION 14, TOWNSHIP 23 NORTH, RANGE 05 EAST, W.M.,
KING COUNTY, WASHINGTON.
15815 SE 128TH STREET TOPOGRAPHIC SURVEY
3
TOPOGRAPHIC
SURVEY
MATCHLINE SEE SHEET 3
T
LEGEND
26942693
2697
2698 2699 2696
2700
2501 2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2513
2514
2515
2512
2516
2664
2665
2666
2675
26762677
2678
26
7
4
26
7
3
26
7
1
26
6
9
26
6
8
26
6
7
2670
2672
2682
2683
268426862685
26
8
7
26
8
8
26
8
9
26
9
0
26
9
1
26
9
2
2681
2680
2679
27
0
2
27
0
3
27
0
4
27
0
5
27
0
6
27
0
7
X
XX
X
X
X
XMARKUPS BY SHANNON INGEBRIGHT;
CERTIFIED ARBORIST. ATLAS. UPDATED
NOVEMBER 1, 2024. 570-351-1333
LEGEND
TREE TO BE REMOVEDX
NEWLY ASSESSED TREE
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
LANDMARK
X
X
X
XXXXX
XXXXXX
X
XX
2695
TNP
X
X
X
LANDMARK
LANDMARK
LANDMARK
LANDMARK
C
APPENDIX C – CRZ IMPACT ANALYSIS
DN
1 8
9
A
G
M
J
13
L.1
1.1
A.1
MAINTENANCE
BUILDING
SIDEWALK, TYP.
PLANTING
STRIP, TYP.
WASTE/REFUSE REFER TO
SHEET A1.20 SITE DETAILS
RMC 4-4-090 -6'-0" TALL
FENCE W/ SCREENING
SIGNIFICANT TREE
SE 128TH ST
15
8
T
H
A
V
E
S
E
EXISTING STRUCTURE
(PREVIOUSLY
DEMOLISHED)
FLAG POLE
RENTON
KING COUNTY
RE
N
T
O
N
KI
N
G
C
O
U
N
T
Y
PARCEL #3664500338
15801 SE 128TH ST
PARCEL #3664500338
12914 158TH AVE SE
WASTE/REFUSE REFER
TO SHEET A1.20 SITE
DETAILS RMC 4-4-090
6'-0" TALL FENCE
W/SCREENING
RETAINING WALLS
PER CIVIL
FIRE STATION
DECORATIVE METAL
FENCE
BBQ PATIO
6'-0" CHAINLINK
FENCE
BICYCLE PARKING
ABOVE GROUND
PORTABLE
WATER TANK
LANDMARK TREE
JURISDICATION
BOUNDARY LINE
GENERATOR
SIGNIFICANT TREE
EXISTING EDGE OF
PAVEMENT
EDGE OF NEW
SIDEWALK
EXISTING STRUCTURE
(PREVIOUSLY
DEMOLISHED)
EXISTING STRUCTURE
(PREVIOUSLY
DEMOLISHED)
EXISTING STRUCTURE
(PREVIOUSLY
DEMOLISHED)
EXISTING STRUCTURE
(PREVIOUSLY DEMOLISHED)
SIGNIFICANT TREE TO
BE REMOVED
DRIP LINE -TYP. AT
LANDMARK AND
SIGNIFICANT TREES
EXISTING EDGE
OF PAVEMENT
NEW EDGE OF
PAVEMENT
EXISTING TREE TO BE
REMOVED, TYP.
EXISTING TREE TO BE
REMAIN, TYP.
30' - 0" ROW
ROW SETBACK
30' - 0"
12' - 11 3/4"
8' - 6 1/4"
5' - 0"
0"
1' - 0"
EXISTING ROW
42' - 0"
4
1
'
-
8
"
ROW SETBACK
30' - 0"
DEDICATED ROW
43' - 0"
F 52°
3
8
°
52°
94
'
-
9
"
7'
-
7
"
80
'
-
7
"
59
'
-
9
1
/
4
"
BUFFER
10' - 0" LANDSCAPE
SETBACK
10' - 0 1/4" SIDE YARD
5 1' - 6 "
4.1
14
8
'
-
4
"
26
'
-
3
"
27
'
-
0
"
50
'
-
0
"
EDGE OF MEZZANINE
EDGE OF
MEZZANINE
CANOPY
ABOVE, TYP
AUTOMATED
SLIDING GATE
EXISTING ALLEY TO BE VACATED
NEW COMBINED
PROPERTY LINE
BOUNDARY
N 0° 09' 49" W
293.46'
S
3° 54' 07" W
16.00'
N
0
°
0
3
'
5
8
"
E
18
8
.
3
4
'
S 87° 10' 15" E
227.37'
S 0° 14' 58" E
293.13'
S
0
°
0
3
'
5
8
"
W
32
1
.
1
1
'
S 2° 15' 47" W
16.00'
N 87° 21' 05" W
291.30'
S 87° 21' 05" E
63.06'
N
0
°
0
3
'
5
8
"
E
13
3
.
1
4
'
10
3
'
-
9
"
SETBACK
25' - 0" REAR YARD
14' - 4"
6' - 11"
5 EQ SP = 50' - 0"8' - 0"
5' - 7"1' - 5"
34' - 3 1/2"35' - 0"
GAS METER
GAS METER
1
2
E
Q
S
P
=
1
2
0
'
-
0
"
1
'
-
6
"
1
'
-
6
"
41
'
-
4
"
10
'
-
7
"
9'
-
0
"
3
E
Q
S
P
=
27
'
-
0
"
15' - 8 1/2"58' - 11"57' - 0 1/2"37' - 3"20' - 0"
4 7' - 0 "
6' - 6 "
60
'
-
9
1
/
4
"
SETBACK
10' - 0" SIDE YARD
SETBACK
10' - 0" SIDE YARD
SETBACK
10' - 0" SIDE YARD
SETBACK
10' - 0" SIDE YARD
ROW SETBACK
30' - 0"
DEDICATED ROW
43' - 0"
LANDSCAPE BUFFER
10' - 0"
BUFFER
10' - 0" LANDSCAPE
SETBACK
10' - 0" SIDE YARD
R 50' - 0"
R
2
0
'
-
0
"
R 2 0 ' - 0 "
R 2 6' - 5 1/2 "
R 2 0 ' - 0 "
R 5' - 0"
R 5 ' - 0 "
11' - 7 1/4"
9"
12
1
'
-
8
"
52
'
-
1
1
"
27
'
-
0
"
50
'
-
0
"
4' - 1 3/8"
16' - 8"22' - 11 1/8"27' - 0"
CONTROL PT B
28
'
-
1
1
3
/
8
"
83' - 8 19/32"54' - 2 1/2"29' - 6 1/2"70' - 8 1/2"
CONTROL PT A
R 5' - 0"
R 5' - 0"
15' - 0"
15' - 0"
DRIP LINE -TYP. AT
LANDMARK AND
SIGNIFICANT TREES
A1.2.1
1
A1.2.1
5
17' - 0"
2
0
'
-
5
"
SITE PLAN GENERAL NOTES
1. REFER TO CIVIL DRAWINGS FOR CONTOURS AND UTILITY LINES
5
A1.1.1
5
A1.1.1
4
A1.1.1
4
A1.1.1
A B
C
E
FG
J
L D
K
BUILDING FOOTPRINT
SETBACK
10' - 0" SIDE YARD
ROW SETBACK
30' - 0"
PROPERTY LINE
PR
O
P
E
R
T
Y
L
I
N
E
H
6
A1.1.1
6
A1.1.1
7
A1.1.1
7
A1.1.1
BUILDING
FOOTPRINT
A
B
C
D
E
F
G
H
PR
O
P
E
R
T
Y
L
I
N
E
SETBACK
10' - 0" SIDE YARD 8' - 11 1/2"
TYP.
6' - 2"
FS T.O. SLAB
538' -0"
FS T.O. STL -APP BAY
561' -6"
FS AVERAGE GRADE
538' -1 3/4"
FS MAX. TOP PLATE
570' -1 3/4"
6'
-
0
"
32
'
-
0
"
FS MAX. ROOF PROJECTION
576' -1 3/4"
2'
-
7
"
23
'
-
4
1
/
4
"
38
'
-
0
"
25
'
-
1
1
1
/
4
"
FS T.O. SLAB
538' -0"
FS T.O. STL -APP BAY
561' -6"
FS AVERAGE GRADE
538' -1 3/4"
FS MAX. TOP PLATE
570' -1 3/4"
32
'
-
0
"
23
'
-
4
1
/
4
"
FS MAX. ROOF PROJECTION
576' -1 3/4"
6'
-
0
"
38
'
-
0
"
MB -T.O. SLAB
545' -0"
MB -AVE. GRADE
546' -11 1/2"
MB -MAX. ROOF PROJECTION
584' -11 1/2"
38
'
-
0
"
T.O. BENT
580' -6"
1'
-
1
1
1
/
2
"
33
'
-
6
1
/
2
"
37
'
-
1
0
"
4'
-
3
1
/
2
"
MB -T.O. SLAB
545' -0"
MB -AVE. GRADE
546' -11 1/2"
MB -MAX. ROOF PROJECTION
584' -11 1/2"
38
'
-
0
"
T.O. BENT
580' -6"
37
'
-
1
0
"
4'
-
3
1
/
2
"
33
'
-
6
1
/
2
"
FIRE STATION MAINTENANCE BUILDING
WALL PT 1 +PT 2 =AVERAGE WALL PT 1 +PT 2 =AVERAGE
A 540.97 +538.00 =539.49 A 548.92 +544.89 =546.91
B 538.00 +537.62 =537.81 B 544.89 +544.87 =544.88
C 537.62 +534.58 =536.10 C 544.87 +544.83 =544.85
D 534.58 +537.67 =536.13 D 544.83 +544.83 =544.83
E 537.67 +535.77 =536.72 E 544.83 +548.33 =546.58
F 535.77 +538.00 =536.89 F 548.33 +549.00 =548.67
G 538.00 +537.98 =537.99 G 549.00 +549.97 =549.49
H 537.98 +537.99 =537.99 H 549.97 +548.92 =549.45
J 537.99 +537.98 =537.99 4375.64 /8 =546.96
K 537.98 +543.07 =540.53
L 543.07 +540.97 =542.02
5919.63 /11 =538.15
ALLOWABLE HEIGHT HT (FT)ELEV ALLOWABLE HEIGHT HT (FT)ELEV
ALLOWABLE TOP PLATE 32.00 570.15 ALLOWABLE TOP PLATE 32.00 546.96
ALLOWABLE ROOF SURFACE PROJECTION =5.67"/1.5 =3.78 ALLOWABLE ROOF SURFACE PROJECTION =6"/1.5 = 6.00
(1'-0" IN HEIGHT PER 1'-6" DIST. FROM SETBACK)(1'-0" IN HEIGHT PER 1'-6" DIST. FROM SETBACK)
TOTAL ALLOWABLE ROOF HEIGHT 35.78 573.93 TOTAL ALLOWABLE ROOF HEIGHT 38.00 552.96
ACTUAL HEIGHT HT (FT) ELEV ACTUAL HEIGHT HT (FT) ELEV
ACTUAL TOP PLATE (T.O. STEEL) 20.85 559.00 ACTUAL TOP PLATE (T.O. STEEL) 32.00 578.96
ACTUAL ROOF SURFACE PROJECTION 4.08 ACTUAL ROOF SURFACE PROJECTION 6.00
TOTAL MAXIMUM ROOF HEIGHT 24.93 563.08 TOTAL MAXIMUM ROOF HEIGHT 38.00 584.96
ASPHALT PAVING
CONCRETE PAVING
LEGEND
NEW PERMANENT STRUCTURE
WATER MAIN EASEMENT
SEWER UTILITY EASEMENT
6211 ROOSEVELT WAY
NORTHEAST
Project Title:
Sheet Title:
Project No. :
Date :
Scale:
Sheet Number :
SEATTLE, WA 98115
tel: (206) 522-3830
fax: (206) 522-2456
NO
T
F
O
R
C
O
N
S
T
R
U
C
T
I
O
N
As indicated
Au
t
o
d
e
s
k
D
o
c
s
:
/
/
2
1
-
1
2
R
e
n
t
o
n
R
F
A
F
S
1
6
/
2
1
-
1
2
-
1
6
_
R
R
F
A_
F
S
1
6
_
A
R
C
H
_
R
2
4
_
S
D
.
r
v
t
FI
R
E
S
T
A
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I
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N
1
6
&
MA
I
N
T
E
N
A
N
C
E
B
L
D
G
A1.1.1
SITE PLAN
21-12
10/11/24
RE
N
T
O
N
,
W
A
RE
N
T
O
N
R
E
G
I
O
N
A
L
F
I
R
E
A
U
T
H
O
R
I
T
Y
SD COST SET
No. Description Date:
Scale: 1" = 40'-0"1 SITE PLAN
Scale: 1" = 40'-0"2
FIRE STATION PLAN
BUILDING HEIGHT DIAGRAM
Scale: 1" = 40'-0"3
MAINTENANCE BUILDING PLAN
BUILDING HEIGHT DIAGRAM
Scale: 1/32" = 1'-0"4
FIRE STATION - N/S SECTION -
BUILDING HEIGHT DIAGRAM
Scale: 1/32" = 1'-0"5
FIRE STATION E/W SECTION -
BUILDING HEIGHT DIAGRAM
Scale: 1/32" = 1'-0"6
MAINT. BLDG. E/W SECTION -
BUILDING HEIGHT DIAGRAM
Scale: 1/32" = 1'-0"7
MAINT. BLDG. N/S SECTION -
BUILDING HEIGHT DIAGRAM
BUILDING HEIGHT CALCULATIONS
LOT AREA:
SITE NORTH:66,425 SF
SITE SOUTH:81,643 SF
ALLEY AREA:3,647 SF
TOTAL LOT AREA:151,721 SF (3.4 ACRE)
BUILDING AREA:FIRE STATION MAINT. BUILDING
BUILDING FOOTPRINT:13,029 SF 10,110 SF
MEZZANINE AREA:1,290 SF 2,034 SF
CANOPIES/OVERHANG:1,390 SF 643 SF
ALLOWABLE BUILDING AREA: 35% OR 53,100 SF (FOR COMBINED LOT)
ACTUAL BUILDING AREA:
FIRE STATION:
BLDG FOOTPRINT:13,029 SF
CANOPIES:1,390 SF
MAINT. BUILDING:
BLDG FOOTPRINT:10,110 SF
CANOPIES:643 SF
TOTAL AREA:25,172 SF OR 16.6%
ALLOWABLE IMPREVIOUS AREA:50% OR 75,861 SF (FOR COMBINED LOT)
ACTUAL IMPERVIOUS AREA:
BUILDING AREA:25,172 SF
PAVEMENT:49,647 SF
TOTAL AREA:74,819 SF OR 49.3%
AREA CALCULATIONS
REQUIRED PARKING
MAINTENANCE BUILDING
REFER TO PAGE 20 OF TRAFFIC IMPACT ANALYSIS PERFORMED BY TRANSPO GROUP DATED
AUGUST 2024.
FIRE STATION:
RMC 4-4-800.F.10.E -NOT DEFINED. SPACES TO BE DETERMINED BY PLANS EXAMINER
REFER TO PAGE 20 OF TRAFFIC IMPACT ANALYSIS PERFORMED BY TRANSPO GROUP DATED
AUGUST 2024
PROPOSED PARKING
FIRE STATION:
CREW PARKING (2/ SLEEPING ROOM) 12 SPACES
PUBLIC SPACES 3 SPACES (INCLUDES 1 ACCESSIBLE SPACE)
MAINTENANCE BUILDING 5 SPACES (INCLUDES 1 ACCESSIBLE SPACE)
TOTAL PROPOSED SPACES:20 SPACES (INCLUDES 2 ACCESSIBLE SPACES)
BICYCLE PARKING:
REQUIRED SPACES 2 SPACES (10% OFF STREET PARKING SPACES)
PROPOSED SPACES 2 SPACES
PARKING CALCULATIONS
0 80'40'0 80'40'
TOTAL LANDSCAPING:79,775 SF
PARKING LOT LANDSCAPING:9,465 SF
WILDLIFE HABITAT LANDSCAPING:35,000 SF
INTERIOR PARKING LOT LANDSCAPING:NONE REQUIRED
NOTE:
REFER TO LANDSCAPE PLANS FOR DELINEATION OF
LANDSCAPING AREAS AND ADDITIONAL INFORMATION
LANDSCAPE AREAS
0 80'40'
2512
2508
2509
2510
2511
2507
2504 2505 2506
2503
2501 2502
2697
2698 2699
26942693
2695
25
1
6
CUMULATIVE CRZ
IMPACT: 37 PERCENT
NO IMPACT
CUMULATIVE CRZ
IMPACT: 11 PERCENT
NO IMPACT
NO IMPACT
CUMULATIVE CRZ
IMPACT: 36 PERCENT
CUMULATIVE CRZ
IMPACT: 21 PERCENT
CUMULATIVE CRZ
IMPACT: 25 PERCENT
NO IMPACT
NO IMPACT
CUMULATIVE CRZ
IMPACT: 38 PERCENT
CUMULATIVE CRZ
IMPACT: 12 PERCENT
NO IMPACTCUMULATIVE CRZ
IMPACT: 36 PERCENT
CUMULATIVE CRZ
IMPACT: 40 PERCENT
NO IMPACT
NO IMPACTCUMULATIVE CRZ
IMPACT: 8 PERCENT
CUMULATIVE CRZ
IMPACT: <1 PERCENT
27
0
4
27
0
5
27
0
6
27
0
7
26
9
1
26
9
2
27
0
2
27
0
3
26
8
7
26
8
8
26
8
9
26
9
0
NO IMPACT
CUMULATIVE CRZ
IMPACT: 8 PERCENT
CUMULATIVE CRZ
IMPACT: 16 PERCENT
CUMULATIVE CRZ
IMPACT: 20 PERCENT
NO IMPACT
2513
2514
2515
TNP
CUMULATIVE CRZ
IMPACT: 25 PERCENT CUMULATIVE CRZ
IMPACT: 5 PERCENT
CUMULATIVE CRZ
IMPACT: 17 PERCENT
X
XXX
X
X
X
X
X
X
X
2663
CUMULATIVE CRZ
IMPACT: 29 PERCENT
MARKUPS BY SHANNON INGEBRIGHT;
CERTIFIED ARBORIST. ATLAS. UPDATED
NOVEMBER 5, 2024. 570-351-1333
LEGEND
TREE TO BE REMOVEDX
NEWLY ASSESSED TREE
T
P
F
TREE PROTECTION FENCING
TPF TPF TPF TPF TPF TPF TPF TPF TPF TPF
TPF
TPF
T
P
F
T
P
F
TP
F
TP
F
TP
F
T
P
F
T
P
F
TP
F
TP
F
TP
F
PLEASE SEE GRADING PLAN FOR FINAL
LOCATION OF TREE PROTECTION
FENCING.