HomeMy WebLinkAboutD_Report And Exhibits_Admin_LUA17000263_210129_v1DEPARTMENT OF COMMUNITY
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Cedar Ridge Admin Report
A. ADMINISTRATIVE REPORT & DECISION
DECISION: APPROVED APPROVED SUBJECT TO CONDITIONS DENIED
REPORT DATE: June 14, 2017
Project Name: Cedar Ridge Short Plat
Owner: Satwant Singh, 24419 105th Pl SE, Kent, WA 99030
Applicant/Contact: Lou Larsen, Pacific Engineering Design, 15445 53rd Ave S Ste. 100, Seattle, WA 98188
File Number: LUA17-000263, SHPL-A
Project Manager: Matt Herrera, Senior Planner
Project Summary: The applicant is requesting Preliminary Short Plat approval for a proposed six (6)-lot
short subdivision. The project site is 73,417 square feet (1.68 acres) and located at 13609
156th Ave NE (APNs 146340-0045 and 146340-0049). The project site is located in the
Residential-4 (R-4) zoning designation. The proposed single-family residential lots range
in size from 10,634 square feet to 12,019 square feet with an overall proposed net
density of 3.6 dwellings per acre. Two (2) existing single-family dwellings will be
removed. Additional improvements include one (1) storm drainage tract on the west
boundary of the site and curb, gutter, sidewalk and planter strip along the subject
property's SE 2nd Pl and 156th Ave SE abutting frontage. The application also includes a
request to modify the street standards for frontage improvements along 156th Ave SE.
The proposed lots will be served by existing sanitary sewer and water mains. The
applicant proposes to retain four (4) of the site's 29 significant trees resulting in a
required planting of 60 new caliper inches. The following studies have been submitted
with the application: Technical Information Report; Arborist Report; and Geotechnical
Report.
Project Location: 13609 156th Ave NE (APNs 146340-0045 and 0049)
Site Area: 1.68
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B. EXHIBITS:
Exhibit 1: Staff Report
Exhibit 2: Preliminary Short Plat Plan
Exhibit 3 Neighborhood Detail Map
Exhibit 4 Topographic Survey (Existing Conditions)
Exhibit 5 Preliminary Utility Plan
Exhibit 6 Preliminary Grading and Tree Retention Plan
Exhibit 7 Geotechnical Report - Limited Stormwater and Geologic Hazard Evaluation prepared by Cobalt
Geosciences (dated August 22, 2016 and updated April 24, 2017)
Exhibit 8 Construction Mitigation Description
Exhibit 9 Public Comment Letter from Jerry Kierig received via email on Wednesday May 24, 2017
Exhibit 10: Preliminary Landscape Plan
Exhibit 11: Arborist Report prepared by Greenforest Incorporated (dated May 5, 2017)
Exhibit 12 Preliminary Drainage Plan
Exhibit 13: Preliminary Technical Information Report prepared by Pacific Engineering Design (dated May
3, 2017)
Exhibit 14: City Advisory Memos
C. GENERAL INFORMATION:
1. Owner(s) of Record:
Satwant Singh, 24419 105th Pl SE, Kent, WA 99030
2. Zoning Classification: Residential-4 (R-4)
3. Comprehensive Plan Land Use Designation: Residential Low Density
4. Existing Site Use: Single-Family Residential
5. Critical Areas: None
6. Neighborhood Characteristics:
a. North: Single Family Residential and R-4
b. East: Single Family Residential and R-4
c. South: Single Family Residential and R-4
d. West: Single Family Residential and R-4
6. Site Area: 1.68 acres
D. HISTORICAL/BACKGROUND:
Action Land Use File No. Ordinance No. Date
Comprehensive Plan N/A 5758 06/22/2015
Zoning N/A 5758 06/22/2015
Liberty Annexation A-07-002 5398 08/11/2008
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E. PUBLIC SERVICES:
1. Existing Utilities
a. Water: Water service is provided by King County Water District 90.
b. Sewer: Sewer service is provided by the City of Renton. There is an existing 10” PVC sewer main
running east to west in SE 2nd Place north of the site (Record Drawing WWP2703148).
c. Surface/Storm Water: There are no stormwater improvements onsite. Drainage either infiltrates or
sheet flows southwest.
2. Streets: 156th Avenue SE is classified as a minor arterial street. SE 2nd Place is classified as a residential
access street.
3. Fire Protection: Renton Regional Fire Authority
F. APPLICABLE SECTIONS OF THE RENTON MUNICIPAL CODE:
1. Chapter 2 Land Use Districts
a. Section 4-2-020: Purpose and Intent of Zoning Districts
b. Section 4-2-070: Zoning Use Table
c. Section 4-2-110: Residential Development Standards
2. Chapter 4 Property Development Standards
3. Chapter 6 Streets and Utility Standards
Section 4-6-060: Street Standards
4. Chapter 7 Subdivision Regulations
Section 4-7-070: Detailed Procedures for Short Subdivision
5. Chapter 11 Definitions
G. APPLICABLE SECTIONS OF THE COMPREHENSIVE PLAN:
Land Use Element
H. FINDINGS OF FACT (FOF):
1. The Planning Division of the City of Renton accepted the above master application for review on May 5,
2017 and determined the application complete on May 12, 2017. The project complies with the 120-
day review period.
2. The project site is located at 13609 156th Ave NE (Exhibits 2 and 3).
3. The project site is currently developed with two (2) single family residences and associated
appurtenances (Exhibit 4).
4. Access to each of the new lots would be provided via SE 2nd Pl (Exhibit 5).
5. The property is located within the Residential Low Density Comprehensive Plan land use designation.
6. The site is located within the R-4 zoning classification.
7. There are 39 trees located on site of which the applicant is proposing to retain a total of four (4) trees
(Exhibit 6).
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8. The site is mapped with a slope between 15 and 25 percent on the west central portion of the property.
The applicant’s geotechnical report (Exhibit 7) has concluded that the site contains no evidence of earth
movements, erosion, or indicators of future instability. The report further states that based on the site
geology and their field explorations, the site is underlain by relatively dense soil deposits, which are not
typically prone to landslide activity under the current conditions.
9. Approximately 560 cubic yards of material would be cut on site and approximately 3340 cubic yards of
fill is proposed to be brought into the site.
10. The applicant is proposing to begin construction in Spring 2018 and end in Summer 2018 (Exhibit 8).
11. Staff received one (1) public comment letter (Exhibit 9) in support of the proposal.
12. Representatives from various city departments have reviewed the application materials to identify and
address issues raised by the proposed development. These comments are contained in the official file,
and the essence of the comments has been incorporated into the appropriate sections of this report
and the Departmental Recommendation at the end of this report.
13. Comprehensive Plan Compliance: The site is designated Residential Low Density (LD) on the City’s
Comprehensive Plan Map. The purpose of the LD designation is to place lands constrained by sensitive
areas, those intended to provide transition to the rural area, or those appropriate for larger lot housing
to allow for a range of lifestyles. The proposal is compliant with the following Comprehensive Plan
Goals and Policies if all conditions of approval are met:
Compliance Comprehensive Plan Analysis
Policy L-3: Encourage infill development of single-family units as a means to meet
growth targets and provide new housing.
Goal L-I: Utilize multiple strategies to accommodate residential growth, including:
Development of new single-family neighborhoods on large tracts of land outside
the City Center.
Infill development on vacant and underutilized land in established neighborhoods
and multi-family areas.
Goal L-P: Minimize adverse impacts to natural systems, and address impacts of past
practice where feasible, through leadership, policy, regulation, and regional
coordination.
Policy L-33: Emphasize the use of open ponding and detention, vegetated swales, rain
gardens, clean roof run-off, right-of-way landscape strips, open space, and stormwater
management techniques that mimic natural systems, maximize water quality and
infiltration where appropriate, and which will not endanger groundwater quality.
Goal L-BB: Maintain a high quality of life as Renton grows by ensuring that new
development is designed to be functional and attractive.
Goal L-FF: Strengthen the visual identity of Renton and its Community Planning Areas
and neighborhoods through quality design and development.
Policy L-49: Address privacy and quality of life for existing residents by considering
scale and context in infill project design.
Policy L-58: Provide complete streets along arterials and arranged as an
interconnecting network or grid. Locate planter strips between the curb and sidewalk in
order to provide separation between cars and pedestrians. Discourage dead-end
streets and cul-de-sacs.
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14. Zoning Development Standard Compliance: The site is classified Residential-4 (R-4) on the City’s Zoning
Map. The R-4 designation serves as a transition between rural designation zones and higher density
residential zones. It is intended as an intermediate lower density residential zone. Larger lot
subdivisions are preferred. The proposal is compliant with the following development standards if all
conditions of approval are met:
Compliance R-4 Zone Develop Standards and Analysis
Density: There is no minimum density required in the R-4 zone. The maximum
density permitted is 4.0 dwelling units per net acre. Net density is calculated after
the deduction of sensitive areas, areas intended for public right-of-way, and private
access easements.
Staff Comment: Based on a net density of 72,582 square feet (73,417 sf gross density
– 835sf right-of-way dedication), the proposal for six (6) residential lots on the project
site would result in a net density of 3.6 dwelling units per acre (6 lots / 1.66 acres =
3.6 du/ac), thereby meeting the maximum density requirements of the R-4 zone.
Lot Dimensions: The minimum lot size permitted in the R-4 zone is 9,000 sq. ft. A
minimum lot width of 70 feet is required (80 feet for corner lots) and a minimum lot
depth of 100 feet is required.
The following table identifies the proposed approximate dimensions for Lots 1-6
Proposed Lot Lot Size (sq. ft.) Lot Width (feet) Lot Depth (feet)
Lot 1 10,663 70 152.3
Lot 2 10,668 70 152.4
Lot 3 10,648 70 152.2
Lot 4 10,641 70 152
Lot 5 10,634 70 151.9
Lot 6 (Corner Lot) 12,019 80 150.2
Staff Comment: The proposed lots comply with the minimum lot size, width, and
depth requirements of the R-4 zone (Exhibit 2).
Setbacks: The required setbacks in the R-4 zone are as follows: front yard is 30 feet,
side yard is combined 20 feet with not less than 7.5 feet on either side, side yard
along the street 30 feet, and the rear yard is 25 feet.
Staff Comment: The preliminary plat plan (Exhibit 2) identifies 30-foot front yard
setbacks, 30-foot side yard along a street (Lot 6), 10-foot side yards, and 25-foot rear
yards. Setbacks shown meet the minimum requirements.
Compliance
not yet
demonstrated
Building Standards: The R-4 zone has a maximum building coverage of 35% and a
maximum impervious surface coverage of 50%. In the R-4 zone, a maximum building
height of 3 stories with a wall plate height of 32 feet is permitted. Roofs with a pitch
equal to or greater than 4:12 may project an additional six (6) vertical feet from the
maximum wall plate height. If the height of wall plates on a building are less than the
states maximum the roof may project higher to account for the difference, yet the
combined height of both features shall not exceed the combined maximums.
Common rooftop features, such as chimneys, may project an additional four (4)
vertical feet from the roof surface. Non-exempt vertical projections (e.g., roofs
pitched less than 4:12, decks, railings, etc.) may extend up to six (6) vertical feet
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above the maximum wall plate height if the projection is stepped back one-and-a-
half (1.5) horizontal feet from each minimum building setback line for each one (1)
vertical foot above the maximum wall plate height.
Wall plates supporting a primary roof surface that has only one (1) sloping plane
(e.g., shed roof) may exceed the stated maximum if the average of wall plate heights
is equal or less than the maximum wall plate height allowed.
Staff Comment: Building height, building coverage, and impervious surface coverage
for the new single family residences would be verified at the time of building permit
review.
Compliant if
condition of
approval is
met
Landscaping: The City’s landscape regulations (RMC 4-4-070) require a 10-foot
landscape strip along all public street frontages. Additional minimum planting strip
widths between the curb and sidewalk are established according to the street
development standards of RMC 4-6-060. Street trees and, at a minimum,
groundcover, are to be located in this area when present. Spacing standards shall be
as stipulated by the Department of Community and Economic Development,
provided there shall be a minimum of one street tree planted per address. Any
additional undeveloped right-of-way areas shall be landscaped unless otherwise
determined by the Administrator. Where there is insufficient right-of-way space or
no public frontage, street trees are required in the front yard subject to approval of
the Administrator. A minimum of two trees are to be located in the front yard prior
to final inspection for the new Single Family Residence.
Staff Comment: A Preliminary Landscape Plan (Exhibit 10) was submitted with the
short plat application. The plan identifies the required 10-foot wide street frontage
landscaping, 8-foot wide planter strip, and a lawn area within the storm drainage
tract.
Street frontage landscaping along SE 2nd Pl consists of Sky Rocket Oak and Capital
Pear Trees, Otto Luyken Laurel Shrubs, and White Common Periwinkle Groundcover.
Street frontage landscaping along 156th Ave SE (Lot 6) consists of Sky Rocket Oak
trees planted approximately 30-feet on-center, Flowering Current, Viburnum, and
Leucothoe Shrubs, and White Common Periwinkle Groundcover.
Planter strips are shown with Raywood Ash and Capital Pear trees along SE 2nd (one
per lot and tract) and three (3) Columnar Norway Maple trees spaced 40 and 50 feet
on-center along 156th Ave SE. Shrubs and groundcover within the planter strips
include Otto Luyken Laurel, Japanese Barberry, Blue Oat Grass, Glossy Abelia, and
Cotoneaster.
The storm drainage tract is proposed to be covered with an “Eco-Lawn” that contains
various species of Fescue. The required perimeter storm drainage facility landscaping
(RMC 4-4-070H.6) is not shown on the landscaping plan. Therefore staff recommends
as a condition of approval, the applicant submit a final landscape plan that provides
the required 15-foot landscaping screen consisting of trees, shrubs, and groundcover
along the storm drainage tract’s SE 2nd Pl frontage. The screen shall continue south
along the east and west boundaries of the tract with a width and distance to
adequately screen the facility from the right-of-way, but not compromise the facility’s
function. The plan shall be submitted with the Construction Permit application for
review and approval by the Current Planning Project Manager. The final landscape
plan shall that comply with the submittal requirements set forth in RMC 4-8-120D.12
Landscape Plan, Detailed.
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The street trees proposed are considered Medium Sized Trees as they mature to a
height of 35-feet or more. Overhead powerlines are located along the property’s
frontage of both SE 2nd Pl and 156th Ave SE, therefore staff recommends as a
condition of approval the applicant submit a revised landscape plan that replaces the
street trees with a Small Tree from the City Approved Street Tree List within the
planter strips. The plan shall be submitted with the Construction Permit application
for review and approval by the Current Planning Project Manager.
Compliant if
condition of
approval is
met
Tree Retention: The City’s adopted Tree Retention and Land Clearing Regulations
require the retention of 30 percent of trees in a residential development.
Significant trees shall be retained in the following priority order:
Priority One: Landmark trees; significant trees that form a continuous canopy;
significant trees on slopes greater than twenty percent (20%); Significant trees
adjacent to critical areas and their associated buffers; and Significant trees over sixty
feet (60') in height or greater than eighteen inches ( 18") caliper.
Priority Two: Healthy tree groupings whose associated undergrowth can be
preserved; other significant native evergreen or deciduous trees; and Other
significant non- native trees.
Priority Three: Alders and cottonwoods shall be retained when all other trees have
been evaluated for retention and are not able to be retained, unless the alders and/
or cottonwoods are used as part of an approved enhancement project within a
critical area or its buffer.
A minimum tree density shall be maintained on each residentially zoned lot. For
detached single family development, the minimum tree density is two (2) significant
trees for every five thousand (5,000) square feet. The tree density may consist of
existing trees, replacement trees, trees required pursuant to RMC 4-4-070F1, Street
Frontage Landscaping Required, or a combination.
Staff Comment: The applicant submitted a Preliminary Grading and Tree Retention
Plan (Exhibit 6) and Arborist Report prepared by Greenforest Incorporated, dated
May 5, 2017 (Exhibit 11). The report identifies a total of 39 trees on the subject
property, of which 29 trees meet tree retention criteria. Most of the significant trees
are located within the proposed building pads and alongside the property’s frontage
that will be improved with curb, gutter, planter strip, and sidewalk.
The applicant has proposed to retain four (4) significant trees or 13 percent along the
southwestern portion of the subject property. To meet the City’s retention standards,
the applicant would be required to retain at least nine (9) significant trees (.30 x 29 =
8.7). As the location of many of the significant trees are within or near areas that are
typically developed with building footprints and frontage improvements, replacement
is reasonable. The applicant would be required to plant a total of 60 caliper inches to
offset the removal of the five (5) significant trees (12 caliper inches x 5 trees removed
= 60 caliper inches).
The applicant’s preliminary landscape plan provides a total of 63 caliper inches of
new trees. However the proposed new trees are located in areas of required
landscaping (e.g. street frontage landscaping and planter strip) and therefore these
new plantings account for only 50-percent of the required replacement (RMC 4-4-
130H.1.e.i) resulting in only 32 caliper inches provided. Therefore staff recommends
as a condition of approval, the applicant submit a revised landscape plan that
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provides the remaining 28 caliper inches required to meet the replacement ratio.
Replacement trees shall be prioritized for planting in available space within the storm
drain tract; second priority - planter strips; and last priority - individual lots. The
detailed landscape plan shall be submitted with the construction permit application
for review and approval by the Current Planning Project Manager.
As shown on the landscape plan (Exhibit 10), Lots 1-5 do not contain the minimum
four (4) significant trees to meet tree density requirements (2 significant trees per
5,000 square feet of lot area). Therefore staff recommends as a condition of
approval, the applicant submit a detailed landscape plan that provides a minimum of
four (4) significant trees for Lots 1-5. The detailed landscape plan shall be submitted
with the construction permit application for review and approval by the Current
Planning Project Manager.
During construction, trees to be retained (i.e., protected trees), would be required to
comply with the tree protection measures during construction (RMC 4-4-130H.9). The
eight central components of tree protection include defining and protecting the drip
line, erecting and maintaining a temporary six-foot-high chain link construction fence
with placards around the tree to be retained, protecting the tree from grade changes,
keeping the area clear of impervious surface material, restricting grading within the
drip line, providing 3” of bark mulch within the required fencing, retaining a certified
arborist to ensure trees are protected from development activities, and alternate
protection/safeguards as necessary.
A landmark tree (50”dbh cedar) is located on the abutting western property.
Proposed grading and a retaining wall within the storm drain tract are proposed in
the outer limits of the tree’s dripline. As provided in Code Interpretation – 100
(effective 12-6-2016), offsite trees containing drip lines that encroach into the site
under construction shall be considered protected trees unless it is determined the
abutting property owner is in compliance with RMC 4-4-130C – Allowed Tree Removal
Activities. Therefore staff recommends as a condition of approval, the applicant shall
revise the grading limits and relocate the retaining wall outside of the drip line of the
50” dbh cedar tree located on the abutting western property; or provide evidence the
abutting property owner would be in compliance with RMC 4-4-130C Allowed Tree
Removal Activities. The revised grading plan or abutting property owner evidence
shall be submitted with the construction permit application for review and approval
by the Current Planning Project Manager.
Parking: Parking regulations require that a minimum of two parking spaces be
provided for each detached dwelling.
Driveway cuts are required to be a minimum of 5 feet from property lines and new
driveways may be a maximum of 16 feet in width at the property line. Maximum
driveway slopes shall not exceed fifteen percent (15%); provided, that driveways
exceeding eight percent (8%) shall provide slotted drains at the lower end with
positive drainage discharge to restrict runoff from entering the garage/residence or
crossing any public sidewalk.
Staff Comment: The Utility Plan (Exhibit 12) details driveway cuts at least five (5) feet
from side property lines. Driveways are shown 16-feet in width for each lot with
slopes less than 8-percent. It is assumed that each residence will contain a garage
that will accommodate at least two (2) parking spaces, however the width of each
driveway as shown is able to provide parking for at least two (2) vehicles.
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Compliant if
condition of
approval is
met.
Fences and Retaining Walls: In any residential district, the maximum height of any
fence, hedge or retaining wall shall be seventy two inches (72"). Except in the front
yard and side yard along a street setback where the fence shall not exceed forty
eight inches (48") in height.
There shall be a minimum three-foot (3') landscaped setback at the base of retaining
walls abutting public rights-of-way.
Staff Comment: The Preliminary Grading and Tree Retention Plan (Exhibit 6) identifies
a four (4) foot retaining wall extending north/south approximately 10 linear feet
within the central portion of the storm drain tract. Staff recommends as a condition
of approval, the applicant provide a cut sheet with the final grading plan that
confirms the retaining wall material is composed of brick, rock, textured or patterned
concrete or other masonry product that complements the proposed site
development. The cut sheet and final grading plan shall be submitted with the
construction permit application for review and approval by the Current Planning
Project Manager.
No other retaining wall or fences are currently proposed with the plat development.
Future single-family building permits will be reviewed for compliance with retaining
wall and fence height limitations.
15. Design Standards: Residential Design and Open Space Standards (RMC 4-2-115) are applicable in the R-
4, R-6, R-8 zone. The Standards implement policies established in the Land Use Element of the
Comprehensive Plan. Compliance with Site Design Standards must be demonstrated prior to approval
of the subdivision. Compliance with Residential Design Standards would be verified prior to issuance of
the building permit for the new single family homes. The proposal is consistent with the following
design standards, unless noted otherwise:
N/A
Lot Configuration: One of the following is required:
1. Lot width variation of 10 feet (10’) minimum of one per four (4) abutting
street-fronting lots, or
2. Minimum of four (4) lot sizes (minimum of four hundred (400) gross
square feet size difference), or
3. A front yard setback variation of at least five feet (5’) minimum for at
least every four (4) abutting street fronting lots.
Staff Comment: (Not applicable in the R-4 zone)
Lots shall be configured to achieve both of the following:
1. The location of stormwater infiltration LID facilities is optimized,
consistent with the Surface Water Design Manual. Building and
property line setbacks are specified in the Surface Water Design Manual
for infiltration facilities.
2. Soils with good infiltration potential for stormwater management are
preserved to the maximum extent practicable as defined by the Surface
Water Design Manual.
Staff Comment: Lots are configured to allow appropriate space for any infiltration
opportunities. The Preliminary Drainage Plan (Exhibit 12) identifies areas for dispersal
trench and splash pads. Final determination on LID and infiltration potential will
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occur during construction permit review.
Compliance
not yet
demonstrated
Garages: If an attached garage is wider than twenty six feet (26’), at least one garage
door shall be recessed a minimum of four feet (4’) from the other garage door.
Additionally, one of the following is required;
1. The front porch projects in front of the garage a minimum of five feet
(5’), and is a minimum of twelve feet (12’) wide, or
2. The roof extends at least five feet (5') (not including eaves) beyond the
front of the garage for at least the width of the garage plus the
porch/stoop area, or
3. The garage is alley accessed, or
4. The garage entry does not face a public and/or private street or an
access easement, or
5. The garage width represents no greater than fifty percent (50%) of the
width of the front facade at ground level, or
6. The garage is detached, or
7. The garage doors contain a minimum of thirty percent (30%) glazing,
architectural detailing (e.g. trim and hardware), and are recessed from
the front façade a minimum of five feet (5’), and from the front porch a
minimum of seven feet (7’).
Staff Comment: Compliance for this standard would be verified at the time of
building permit review.
Compliance
not yet
demonstrated
Primary Entry: The following is required:
Porch or stoop: minimum size five feet (5') deep and minimum height
twelve inches (12") above grade.
Exception: in cases where accessibility (ADA) is a priority, an accessible route may be
taken from a front driveway.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
Compliance
not yet
demonstrated
Façade Modulation: One of the following is required:
1. An offset of at least one story that is at least ten feet (10') wide and two
feet (2') in depth on facades visible from the street, or
2. At least two feet (2') offset of second story from first story on one street
facing facade.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
Compliance
not yet
demonstrated
Windows and Doors: Windows and doors shall constitute twenty-five percent (25%)
of all facades facing street frontage or public spaces.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
N/A Scale, Bulk, and Character: N/A
Compliance
not yet
demonstrated
Roofs: A variety of roof forms appropriate to the style of the homes shall be used.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
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Compliance
not yet
demonstrated
Eaves: Both of the following are required:
1. Eaves projecting from the roof of the entire building at least
twelve inches (12") with horizontal fascia or fascia gutter at least
five inches (5") deep on the face of all eaves, and
2. Rakes on gable ends must extend a minimum of two inches (2")
from the surface of exterior siding materials.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
Compliance
not yet
demonstrated
Architectural Detailing: If one siding material is used on any side of the dwelling that
is two stories or greater in height, a horizontal band that measures at least eight
inches (8") is required between the first and second story.
Additionally, one of the following is required:
1. Three and one half inch (3 1/2") minimum trim surrounds all windows
and details all doors, or
2. A combination of shutters and three and one half inches (3 1/2")
minimum trim details all windows, and three and one half inches (3 1/2")
minimum trim details all doors.
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
Compliance
not yet
demonstrated
Materials and Color: For subdivisions and short plats, abutting homes shall be of
differing color. Color palettes for all new dwellings, coded to the home elevations,
shall be submitted for approval.
Additionally, one of the following is required:
1. A minimum of two (2) colors is used on the home (body with different
color trim is acceptable), or
2. A minimum of two (2) differing siding materials (horizontal siding and
shingles, siding and masonry or masonry-like material, etc.) is used on
the home. One alternative siding material must comprise a minimum of
thirty percent (30%) of the street facing facade. If masonry siding is used,
it shall wrap the corners no less than twenty four inches (24").
Staff Comment: Compliance for this standard would be verified at the time of building
permit review.
16. Subdivision Analysis: RMC 4-7 Provides review criteria for the subdivisions. The proposal is consistent
with the following subdivision regulations if all conditions of approval are complied with:
Compliance Subdivision Regulations and Analysis
Access: Each lot must have access to a public street or road. Access may be by a
shared driveway per the requirements of the street standards.
The maximum width of single loaded garage driveways shall not exceed nine feet (9')
and double loaded garage driveways shall not exceed sixteen feet (16').
Staff Comment: Each lot is provided access to an existing abutting public residential
access street, SE 2nd Pl. The applicant will be required to provide frontage
improvements abutting the subject property consisting of curb, gutter, planter strip
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 12 of 19
Cedar Ridge Admin Report
with street trees, and sidewalk. Driveways are shown on submitted plans at 16-feet in
width.
N/A
Blocks: Blocks shall be deep enough to allow two tiers of lots.
Staff Comment: Not applicable. The subdivision does not contain the shape or area to
provide two tiers of lots.
Lots: The size, shape, orientation, and arrangement of the proposed lots comply with
the requirements of the Subdivision Regulations and the Development Standards of
the R-4 zone and allow for reasonable infill of developable land. All of the proposed
lots meet the requirements for minimum lot size, depth, and width. Width between
side lot lines at their foremost points (i.e., the points where the side lot lines intersect
with the street right-of-way line) shall not be less than eighty percent (80%) of the
required lot width except in the cases of (1) pipestem lots, which shall have a
minimum width of twenty feet (20') and (2) lots on a street curve or the turning circle
of cul-de-sac (radial lots), which shall be a minimum of thirty five feet (35').
Staff Comment: The proposed lots are rectangular in shape and with front yards
oriented to SE 2nd Pl. Lot size and dimensional requirements of the R-4 zone are shown
on the Preliminary Plat Plan (Exhibit 2). The width between the side lot lines where
they meet SE 2nd Pl is greater than 80-percent of the required lot width.
Streets: The proposed street system shall extend and create connections between
existing streets per the Street Standards outlined in RMC 4-6-060 Street Standards.
Staff Comment: The proposal would utilize the existing abutting SE 2nd Pl., which is
classified as a Residential Access Street. No new connections are needed or required to
serve the proposed short plat. The applicant would construct frontage improvements
abutting the property along SE 2nd Pl and 156th Ave SE.
For SE 2nd Pl., the minimum paved roadway width is 26’ which includes 2 – 10’ travel
lanes and 1 – 6’ parking lane. A 0.5’ curb, 8’ planter, and 5’ sidewalk are required
along each side of the roadway. A pedestrian bulb-out would be required at the
intersection of 156th Ave SE. The King County Assessor’s Map shows a current right of
way width of approximately 60’ for SE 2nd Place. No right of way dedication would be
required along the SE 2nd Place frontage. The applicant is proposing to construct
these improvements along the subject property’s frontage.
The classification 156th Ave SE is minor arterial. However, the City’s Transportation
Department has established a corridor plan for this section of 156th Avenue SE that
differs from the minor arterial street standards. The corridor consists of a right of way
width of 71’. The paved roadway section is 44’ consisting of 2 – 11’ travel lanes, 1 –
12’ center turn lane, and 2 – 5’ bike lanes. A 0.5’ curb, 8 planter, and 5’ sidewalk are
required along each side of the roadway. The applicant is proposing to construct
these improvements along the subject property’s frontage per the modification
request in FOF 17.
Each new lot is subject to a transportation impact fee. The 2017 transportation
impact fee is $5,430.85 per single family home. A credit for two lots will be issued for
the existing homes. The current transportation impact fee is calculated at building
permit submittal and due at the time of building permit issuance for each individual
home.
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 13 of 19
Cedar Ridge Admin Report
Relationship to Existing Uses: The proposed project is compatible with existing
surrounding uses.
Staff Comment: The project site is surrounded by single-family residential uses that are
also within the Residential Low Density and R-4 zoning designation. The proposal
meets the maximum density regulations and lots range from 10,634 square feet to
12,019 square feet. The proposed stormwater facility within the storm drain tract is an
underground vault. The required perimeter landscaping and eco-grass over the top of
the vault would provide an amenity to the neighborhood and an attractive buffer. A
Stormwater detention pond within the tract would not provide the same level of
aesthetic benefits as the proposed vault. Therefore, staff recommends as a condition
of approval that any proposal to convert the stormwater vault within the tract to a
stormwater detention pond be considered a Major Plat Amendment subject to the
requirements outlined under RMC 4-7-080M.2.
17. Modification Analysis: The applicant is requesting a modification from RMC 4-6-060F.2 in order to
modify the minor arterial street standard for 154th Ave SE to contain a right of way width of 71’ instead
of the code required 91-feet. The modified standard would be comprised of a paved roadway width of
44’ consisting of 2 – 11’ travel lanes, 1 – 12 center right turn lane, and 2 – 5’ bike lanes. Also included
are a 0.5’ curb, 8’ planter, and 5’ sidewalk along both sides of the paved roadway. The proposal is
compliant with the following modification criteria, pursuant to RMC 4-9-250, if all conditions of
approval are met. Therefore, staff is recommending approval of the requested modification, subject to
conditions as noted below:
Compliance Modification Criteria and Analysis
a. Substantially implements the policy direction of the policies and objectives of the
Comprehensive Plan Land Use Element and the Community Design Element and the
proposed modification is the minimum adjustment necessary to implement these
policies and objectives.
Staff Comment: The Land Use Element has applicable policies listed under a separate
section labeled Promoting a Safe, Healthy, and Attractive Community. These policies
address walkable neighborhoods, safety, and shared uses. The intent of the policies are
to promote new development with walkable places that support grid and flexible grid
street and pathway patterns, and are visually attractive, safe, and healthy
environments. The requested street modification is consistent with these policy
guidelines.
b. Will meet the objectives and safety, function, appearance, environmental
protection and maintainability intended by the Code requirements, based upon
sound engineering judgment.
Staff Comment: The applicant contends the modified 154th Ave SE street section is
consistent with the City’s corridor plan for the area.
Staff concurs the proposed modification would meet the objectives of function and
maintainability intended by the code requirements. The City’s Public Works
Transportation Division have reviewed 156th Avenue SE and the surrounding area and
have determined that a modified minor arterial street section is more suitable for the
portion of 156th Avenue SE adjacent to the site. The determination was based on the
fact that the roadway is directly adjacent to single family residences and there is
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 14 of 19
Cedar Ridge Admin Report
insufficient space between the existing right of way and existing homes to expand the
roadway section to meet the minor arterial standards. The proposed modification
would meet the Transportation Division’s established corridor plan for this section of
156th Avenue SE and could conform to the intended purpose of the code by providing a
complete street cross section.
c. Will not be injurious to other property(ies) in the vicinity.
Staff Comment: There are no identified adverse impacts to other properties from the
requested modification. New frontage improvements would be installed along the
subject property’s abutting unimproved ROW
d. Conforms to the intent and purpose of the Code.
Staff Comment: See comments under criterion ‘b’.
e. Can be shown to be justified and required for the use and situation intended; and
Staff Comment: See comments under criterion ‘b’.
f. Will not create adverse impacts to other property(ies) in the vicinity.
Staff Comment: See comments under criterion ‘c’.
18. Availability and Impact on Public Services:
Compliance Availability and Impact on Public Services Analysis
Police and Fire: Police and Fire Prevention staff have indicated that sufficient resources
exist to furnish services to the proposed development; subject to the applicant
providing Code required improvements and fees.
The fire flow requirement for a single family home is 1,000 gpm minimum for dwellings
up to 3,600 square feet (including garage and basements). A minimum of 1,500 gpm
fire flow would be required for dwellings that exceed 3,600 square feet.
A minimum of one fire hydrant is required within 300-feet of the proposed buildings
and two hydrants if the fire flow increases to 1,500 gpm. Existing hydrants appear
adequate; however, the existing hydrants shall be retrofitted with a 5-inch storz fitting.
A water availability certificate shall be obtained from King County Water District 90.
The current (2017) fire impact fees are $718.56 per single family unit payable at time of
building permit issuance. The fire impact fee that is current at the time of building
permit application would be levied.
Compliant if
condition of
approval is
met
Schools: It is anticipated that the Renton School District can accommodate additional
students generated by this proposal at the following schools: Maplewood Heights
Elementary School, McKnight Middle School and Hazen High School. Any new students
from the proposed development would be bussed to their schools. The stop is located
at 156th Ave SE and SE 2nd Pl. (except Maplewood Heights pickup see below) or at the
intersection of the proposed development. The proposed project includes the
installation of frontage improvements along the SE 2nd Pl and 156th Ave SE frontage,
including sidewalks. Students would walk east along this new sidewalk on SE 2nd Pl to
the corner of the intersection.
Student pickup only for Maplewood Heights Elementary School is located at SE 3rd Pl
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 15 of 19
Cedar Ridge Admin Report
and 156th Ave SE. Students would walk east along SE 2nd Pl and cross 156th Ave SE. An
approximately five-foot wide shoulder with c-curb is located along the east side of 156th
Ave SE where students would walk south approximately 475-feet to the pickup bus
stop.
The intersection of 156th Ave SE and SE 2nd Pl does not contain a signal or marked
crosswalk. Further, 156th Ave SE is a designated a minor arterial. Therefore staff
recommends as a condition of approval, the applicant provide safe route to school
measures for students crossing the 156th Ave SE and SE 2nd Pl intersection as warranted.
Improvements may include, but are not limited to, a marked crosswalk and/or signage.
The applicant shall coordinate with the Engineering Plan Reviewer prior to submitting a
construction permit to identify appropriate safe route measures and apply the
measure(s) in the construction permit application.
A School Impact Fee, based on new single-family lots, will be required in order to
mitigate the proposal’s potential impacts to the Renton School District. The fee is
payable to the City as specified by the Renton Municipal Code. Currently the fee is
assessed at $6,432.00 per single family residence.
Parks: A Park Impact Fee would be required for the future houses. The current Park
Impact Fee is $2,740.07. The fee in effect at the time of building permit application is
applicable to this project and is payable at the time of building permit issuance.
Compliant if
condition of
approval is
met
Storm Water: An adequate drainage system shall be provided for the proper drainage
of all surface water.
A preliminary drainage plan (Exhibit 12) and Technical Information Report (TIR) (Exhibit
13) prepared by Pacific Engineering Design dated May 3, 2017 were submitted to t he
City as part of the short plat submittal. The site is located in the City’s Flow Control
Duration Standard (Forested Site Conditions). The site is also located in the Lower
Cedar River drainage basin. The TIR was completed in accordance with the standards
found in the 2017 Renton Surface Water Design Manual (RSWDM). All nine core and
six special requirements were addressed.
The site’s natural storm drainage discharge location is at the site’s southwest corner.
The project is not proposing to discharge storm drainage at this location. Instead, the
project is proposing to discharge storm drainage into the existing 12” pipe storm
drainage system located north of the site in SE 2nd Place. Thus, the project is not in
compliance with Core Requirement #1, Discharge at the Natural Location. Therefore
staff recommends as a condition of approval, the applicant apply and receive a decision
for a storm drainage adjustment to not discharge at the site’s natural discharge location
and divert the site’s stormwater to another drainage basin as shown on the submitted
plans. The drainage adjustment shall be submitted to the Engineering Plan Reviewer
for review and approval.
A detention vault is proposed to meet the flow control requirements to satisfy Core
Requirement #3, Flow Control Facilities.
Each new lot is subject to a stormwater system development charge. The 2017 SDC for
stormwater is $1,608.00 per lot. A credit for two lots will be issued for the existing
homes. Stormwater SDC fees are due at construction permit issuance.
Water: Water service is provided by King County Water District 90. A water
availability certificate from the District shall be provided to the City for review with the
construction permit submittal. Review of the water plans will be conducted by King
County Water District 90 and the Renton Regional Fire Authority. Plans approved by
King County Water District 90 shall be routed to the City for final review prior to permit
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 16 of 19
Cedar Ridge Admin Report
issuance.
Sanitary Sewer: All new side sewers shall be 6”. All new side sewers shall flow by
gravity to the main at a minimum slope of 2%. A grinder pump system internal to each
home may be needed for a daylight basement. Each lot shall have its own side sewer.
Sewer cleanouts should not be located in the new driveways.
The preliminary utility plan submitted to the City by Pacific Engineering Design shows
an individual side sewer for each lot connecting to the existing sewer main in SE 2nd
Place.
The site is served by a private on-site septic system. The septic system(s) shall be
abandoned at the time of demolition of the existing homes in accordance with King
County Department of Health regulations and Renton Municipal Code.
Each lot is subject to a system development charge (SDC) for sewer service. The SDC
for sewer service is based on the size of the domestic water service. The 2017 SDC for
sewer service with a 3/4" or 1” water meter is $2,540.00. Sewer SDC fees are due at
construction permit issuance. Each lot is subject to a Special Assessment District (SAD)
fee. The site is located in the Central Plateau Interceptor SAD. The fee associated with
this SAD is $351.95 plus interest per lot. SAD fees are due at construction permit
issuance.
I. CONCLUSIONS:
1. The subject site is located in the Residential Low Density (LD) Comprehensive Plan designation and
complies with the goals and policies established with this designation, see FOF 13.
2. The subject site is located in the Residential-4 (R-4) zoning designation and complies with the zoning
and development standards established with this designation provided the applicant complies with City
Code and conditions of approval, see FOF 14.
3. The proposed short plat complies with the Residential Design and Open Space Standards provided the
applicant complies with City Code and conditions of approval, see FOF 15.
4. The proposed short plat complies with the subdivision regulations as established by City Code and state
law provided all advisory notes and conditions are met, see FOF 16.
5. The proposed short plat complies with the street modification criteria for the reduced cross section for
156th Ave SE provided the applicant complies with City Code and condition of approval, see FOF 17.
6. The proposed short plat complies with the street standards as established by City Code and the
modification request supported by staff, provided the project complies with all advisory notes and
conditions of approval contained herein, see FOF 16 and 17.
7. There are safe walking routes to the school bus stop provided all conditions of approval are met, see
FOF 18.
8. There are adequate public services and facilities to accommodate the proposed short plat, see FOF 18.
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 17 of 19
Cedar Ridge Admin Report
J. DECISION:
The Cedar Ridge Short Plat, File No. LUA17-000263, as depicted in Exhibit 2, is approved and is subject to the
following conditions:
1. The applicant shall submit a final landscape plan that provides the storm drain tract with the required
15-foot landscape screen consisting of trees, shrubs, and groundcover along the SE 2nd Pl frontage. The
screen shall continue south along the east and west boundaries of the tract with a width and distance
that adequately screens the facility from the right-of-way but not compromise the facility’s function.
The plan shall be submitted with the Construction Permit application for review and approval by the
Current Planning Project Manager prior to construction permit issuance. The final landscape plan shall
comply with the submittal requirements set forth in RMC 4-8-120D.12 Landscape Plan, Detailed.
2. Due to overhead utilities, the applicant shall submit a final landscape plan that replaces the street trees
with a Small Tree variety from the City Approved Street Tree List within the planter strips. The final
landscape plan shall be submitted with the Construction Permit application for review and approval by
the Current Planning Project Manager prior to construction permit issuance.
3. The applicant shall submit a revised landscape plan that provides the remaining 28 caliper inches
required to meet the tree replacement ratio. Replacement trees shall be prioritized for planting in
available space within the storm drain tract; second priority - planter strips; and last priority - individual
lots. The detailed landscape plan shall be submitted with the construction permit application for
review and approval by the Current Planning Project Manager prior to construction permit issuance.
4. The applicant shall submit a revised landscape plan that provides additional trees in Lots 1-5 resulting in
each lot containing a minimum of four (4) significant trees, to meet the tree density calculations. The
detailed landscape plan shall be submitted with the construction permit application for review and
approval by the Current Planning Project Manager prior to construction permit issuance.
5. The applicant shall submit a revised grading plan that relocates the grading limits and the retaining wall
outside of the drip line of the 50” dbh cedar tree located on the abutting western property; or the
applicant shall provide evidence the abutting property owner would be in compliance with RMC 4-4-
130C Allowed Tree Removal Activities. The revised grading plan or abutting property owner evidence
shall be submitted with the construction permit application for review and approval by the Current
Planning Project Manager prior to construction permit issuance.
6. The applicant shall provide a cut sheet with the revised grading plan that confirms the retaining wall
material is composed of brick, rock, textured or patterned concrete or other masonry product that
complements the proposed site development. The cut sheet and final grading plan shall be submitted
with the construction permit application for review and approval by the Current Planning Project
Manager prior to construction permit issuance.
7. The applicant shall provide safe route to school measures for students crossing the 156th Ave SE and SE
2nd Pl intersection. Improvements may include, but are not limited to, a marked crosswalk and/or
signage. The applicant shall coordinate with the Engineering Plan Reviewer prior to submitting a
construction permit to identify appropriate safe route measures and apply those measures in the
construction permit application. The safe route to school measure(s) shall be approved by the Current
Planning Project Manager and the Engineering Plan Reviewer prior to construction permit issuance.
8. The applicant shall apply and receive a decision for a storm drainage adjustment to not discharge at the
site’s natural discharge location and instead divert the site’s stormwater to another drainage basin as
shown on the submitted plans. The drainage adjustment shall be submitted to the Engineering Plan
City of Renton Department of Community & Economic Development Administrative Report & Decision
CEDAR RIDGE SHORT PLAT LUA17-000263, SHPL-A
June 14, 2017 Page 19 of 19
Cedar Ridge Admin Report
EXPIRATION: The administrative short plat decision will expire two (2) years from the date of decision. A single
one (1) year extension may be requested pursuant to RMC 4-7-070.M.
RECONSIDERATION: Within 14 days of the decision date, any party may request that the decision be reopened
by the approval body. The approval body may modify his decision if material evidence not readily discoverable
prior to the original decision is found or if he finds there was misrepresentation of fact. After review of the
reconsideration request, if the approval body finds sufficient evidence to amend the original decision, there will
be no further extension of the appeal period. Any person wishing to take further action must file a formal
appeal within the 14-day appeal time frame.
THE APPEARANCE OF FAIRNESS DOCTRINE: provides that no ex parte (private one-on-one) communications
may occur concerning the land use decision. The Doctrine applies not only to the initial decision, but to Appeals
to the Hearing Examiner as well. All communications after the decision/approval date must be made in writing
through the Hearing Examiner. All communications are public record and this permits all interested parties to
know the contents of the communication and would allow them to openly rebut the evidence in writing. Any
violation of this doctrine could result in the invalidation of the appeal by the Court.
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION
EXHIBIT 2
SE 2nd Pl
SE 3rd Pl
Shadow Pl SESE 2nd Lane
SE 3rd PlRosario Pl SESE 4th Pl
SE 3rd St
Zillah Pl SESE 4th StYakima Pl SEYakima Ave SE156th Ave SE154th Ave SERosario Ave SEKing CountyCity of RentonKing CountyCity of RentonCedar Ridge Short
Plat
SE 2nd Pl156th Ave SESE 2nd St
Yakima Ave SEKing County
City of Renton
King County
City of Renton
N
SCALE: 1" = 100'
100 200100500
SE 2nd PL
156th AVE SERosario AVE SEYakima AVE SERECEIVED
05/05/2017
MHerrera
PLANNING DIVISION EXHIBIT 3
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION
EXHIBIT 4
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION EXHIBIT 5
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION EXHIBIT 6
Cobalt
Geosciences
P.O. Box 82243
Kenmore, Washington 98028
(206) 331-1097
August 22, 2016
Updated April 24, 2017
pmvrsingh@gmail.com
Mr. Satwant Singh
RE: Limited Stormwater & Geologic Hazard Evaluation
Proposed Six Lot Short Plat
13609 156th Avenue SE
Renton, Washington
Dear Mr. Singh,
In accordance with your authorization, Cobalt Geosciences, LLC has prepared this letter to
discuss the results of our limited stormwater and geologic hazard evaluation at the referenced
site.
The proposed development includes six single-family residences, access driveways, and
landscaped areas.
Site and Project Description
The site is located at 13609 – 156th Avenue SE in Renton, Washington (Figure 1). The site consists
of one rectangular parcel (No. 146340-0045) with a total area of approximately 1.3 acres.
The site is developed with a single-family residence and access driveway extending onto the
property from the north and near the east end of the property. There are several outbuildings
within the remainder of the property.
The site slopes gently downward toward the southwest with total topographic relief of about 25
feet. The site is vegetated with grasses, blackberry vines, and local deciduous and evergreen trees.
The site is bordered to the south and west by single-family residences, to the north by SE 2nd Place
and to the east by 156th Avenue SE.
The project consists of subdividing the existing parcel into six building lots. The existing
residence and outbuildings would be removed as part of site development.
Stormwater management will include a stormwater detention vault located in the west portion of
the site.
Area Geology
The Geologic Map of King County, indicates that the site is underlain by Vashon Glacial Till.
Vashon Glacial Till is typically characterized by an unsor ted, non-stratified mixture of clay, silt,
sand, gravel, cobbles and boulders in variable quantities. These materials are typically dense and
relatively impermeable. The poor sorting reflects the mixing of the materials as these sediments
were overridden and incorporated by the glacial ice.
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISIONEXHIBIT 7
Entire Document
Available Upon
Request
Preliminary Construction Mitigation Plan
For
Cedar Ridge Short Plat
Proposed Construction Dates (begin and end dates):
Based on this preliminary short plat application date, we anticipate construction permits for
utilities and plat infrastructure (roads, sidewalks, etc.) to be finalized later this year (2017) to early
next year (2018). Based on that timeline, we anticipate utility and plat infrastructure construction
to begin in the Spring of 2018 and end during the summer of 2018. Home construction on the lots
should begin during the summer of 2018 and run through at least the winter of 2018 and possibly
longer, depending on lot sales.
Hours and Days of Operation:
Construction activities will be limited to the hours between 7:00am and 8:00pm, Monday through
Friday and 9:00am and 8:00pm Saturday. In addition, haul hours are limited to the hours between
8:30am and 3:30pm on Saturdays, unless approved in writing in advance by the development
services division. No work permitted on Sundays.
Proposed Hauling/Transportation Routes:
The site is accessible from two directions. From the south via 156th Avenue SE / Maple Valley
Highway / I-405 and from the north via 156thAvenue SE / NE 4th Street / I-405.
Measures to be implemented to minimize dust, traffic and transportation impact, erosion,
mud, noise and other noxious characteristics:
Water Truck, Temporary Erosion Control Plan, BMPs, construction proposed during City of
Renton permitted work hours.
Any special hours proposed for construction or hauling (i.e. weekends, late nights):
No special hours for construction or hauling are anticipated or proposed at this time.
Preliminary Traffic Control Plan:
Site is located along SE 2nd Place (classified residential access) at the intersection with 156th
Avenue SE (classified Minor Arterial). Anticipate “construction ahead” warning signs north and
south of the project along 156th Avenue SE and on SE 2nd Place west of the project site. Flaggers
and additional signage will be provided when work is required in either right-of-way. Construction
staging / parking will be limited to on-site and along SE 2nd Place. Site will be accessed from SE
2nd Place.
Final Traffic Control Plan will be provided at the time of Engineering approval.
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION
EXHIBIT 8
From: Jerry Kierig <jerryk@panabodehomes.com>
Sent: Wednesday, May 24, 2017 10:04 AM
To: Matthew Herrera; satwant singh
Subject: LUA17, 000263, SHPL-A Additional Info Request
Matt...
I would like to go in record for the current comment period affixed to Short Plat application
LUA17, 000263, SHPL-A.
My name is...
Jerry Kierig
6301 SE 2nd Place
Renton WA 98059
(425) 271-3016
My property lies adjacent on the west to the application property noted above. I have lived on
this property since 1994. During that time My wife Karen and I have witnessed/ experienced the
change of our property from living on a rural dirt road to now a semi-congested neighborhood
with a wide paved development access route in front of our house. While we are not
objectionable to progress and change and the increase of our property value... it has come with
some inconveniences. Added traffic, noise, and additional water flow problems around and onto
our property from the development of properties uphill from ours.
The application property is mostly higher to ours and a quite significant ground water spring has
soaked the portion of said property directly adjacent to ours because it swails out in back of our
former neighbors home. That flow helps feed our stand of large cedars there which we have no
intention of removing as it adds to the diversity of the neighborhood in contrast to the
development tactic of taking out the native trees. That swail/ flow continues through and around
our property to the west and into the property behind us directly to the west and then spills out
into the 154th st corridor. Evidence of this has been documented.
My professional experience with land development is that addition of hard scape no matter how
well its designed to mitigate storm/ surface water absorption will increase the upper subsurface
& surface accumulation of storm water in historic subsurface ground water flow channels as
water flows in direction of least resistance. The integration of a water flow management system
is far more successful than the old dispersion policy which basically places the water flow
problem on the property owners further down the "historic" storm water flow channel.
After review of preliminary surface water management proposal I would like to go on record as
being in favor of the designed storm water collection system designed by Pacific Engineering
Design. The capture and management of hard scape storm/ surface water accumulation in my
opinion is necessary to alleviate the additional water flow problems which has increased on the
application property over the past 2 decades from over development and lack of surface storm
water management uphill from my property. Water will continue to flow in the direction of the
native flow but at a smaller volume with a collection management system on the application
EXHIBIT 9
property. jk
Jerry Kierig CPBD, AIBD
VP Design & Engineering
PAN ABODE Cedar Homes
800-782-2633 or (425) 255-8260
panabodehomes.com
On 5/18/2017 12:20 PM, Matthew Herrera wrote:
Hi Jerry, yes email format is fine. –Matt
Matt Herrera, AICP
Senior Planner
City of Renton
425.430.6593
From: Jerry Kierig [mailto:jerryk@panabodehomes.com]
Sent: Thursday, May 18, 2017 12:08 PM
To: Matthew Herrera <MHerrera@Rentonwa.gov>
Subject: Re: LUA17, 000263, SHPL-A Additional Info Request
Matt...
Can I just email you my comments in an email format of do you need
them in a formal word like document? jk
Jerry Kierig CPBD, AIBD
VP Design & Engineering
PAN ABODE Cedar Homes
800-782-2633 or (425) 255-8260
panabodehomes.com
On 5/17/2017 9:03 AM, Matthew Herrera wrote:
Jerry,
Please find the attached subdivision layout and TIR addressing
stormwater. Let me know if there are other documents you would like
to review. Satwant Singh is the owner and applicant for the short plat
application. Please feel free to send me your written comments
regarding the application via email. –Matt
Matt Herrera, AICP
Senior Planner
City of Renton
425.430.6593
From: Jerry Kierig [mailto:jerryk@panabodehomes.com]
Sent: Tuesday, May 16, 2017 9:01 PM
To: Matthew Herrera <MHerrera@Rentonwa.gov>
Cc: pmvrsingh@gmail.com
Subject: Fwd: LUA17, 000263, SHPL-A Additional Info Request
Matt/ Satwant...
LUA17, 000263, SHPL-A Additional Info Request
Pls provide the subdivision plan for this project and name of new
legal owner. I am the property owner directly adjacent on the west
and interested why the design states storm water tract on east side
of project property. Low end is the west side, we have water
problems associated with the spring that is on the west side of the
project site.
Thank you for any info you can provide. jk
--
Jerry Kierig CPBD, AIBD
VP Design & Engineering
PAN ABODE Cedar Homes
800-782-2633 or (425) 255-8260
panabodehomes.com
Lawn Area storm drain tract7,185 sq.ft.RECEIVED05/05/2017MHerreraPLANNING DIVISIONEXHIBIT 10
Greenforest Incorporated
C o n s u l t i n g A r b o r i s t
4547 South Lucile Street, Seattle, WA 98118 Tel. 206-723-0656
TO: Satwant Singh
Skyline Properties, Inc.
1851 Central Place South, #116
Kent WA 98030
REFERENCE: Tree Inventory & Arborist Report, Cedar Ridge Short Plat
SITE ADDRESS: 13609 156th Ave SE, Renton WA
DATE: May 5, 2017
PREPARED BY: Favero Greenforest, ISA Certified Arborist # PN -0143A
ISA Tree Risk Assessment Qualified
ASCA Registered Consulting Arborist® #379
In preparation for re-development of the referenced site, you contracted my services as a
consulting arborist. My assignment is to inventory and assess the regulated trees on the site,
and document my findings in this report.
You provided me a Topographic Survey prepared by Pacific Engineering Design, LLC. I visited
the site 3/8/2017 and inspected the trees, which are the subject of this report.
SUMMARY:
Onsite Significant Trees 23
Onsite Landmark Trees 6
Onsite Dangerous Trees 9
TOTAL Significant & Landmark 29
Proposed Retained Trees 4
Percent Retained Trees 13%
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION
EXHIBIT 11
Entire Document
Available Upon
Request
RECEIVED
05/05/2017
MHerrera
PLANNING DIVISION EXHIBIT 12
RECEIVED05/05/2017MHerreraPLANNING DIVISIONEXHIBIT 13Entire DocumentAvailable UponRequest
DEPARTMENT OF COMMUNITY
AND ECONOMIC DEVELOPMENT
M E M O R A N D U M
DATE:June 9, 2017
SUBJECT:Advisory Notes to Applicant
Cedar Ridge Short Plat / LUA17-000263, SHPL-A
Development Engineering, Ian Fitz-James, ifitz-james@rentonwa.gov, 425.430.7288
WATER: Water service is provided by King County Water District 90.
SEWER: The site is in the City of Renton sewer service area. There is an existing 10” PVC sewer running
east to west in SE 2nd Place north of the site. Reference Project File WWP2703148 in COR Maps for
record drawings. There is no existing sewer in 156th Avenue SE east of the site. The existing residences
are served by private on-site septic systems.
STORM DRAINGE: There is no stormwater conveyance system along the project’s 156th Avenue SE
frontage. Runoff along the 156th SE frontage is conveyed south by a shallow ditch. The eastern portion
of the SE 2nd Place frontage has no drainage improvements. Drainage from this frontage sheet flows
southwest off the road into the site. Some drainage is intercepted by a Type 1 Catch Basin (COR Facility
ID 117304) located on the southern frontage of SE 2nd Place across from the driveway to 6304 SE 2nd
Place. Drainage from the western portion of the SE 2nd Place frontage also sheet flows southwest off the
road into the site and 6301 SE 2nd Place. On-site drainage either infiltrates or sheet flows southwest.
STREETS: 156th Avenue SE east of the site is classified as a minor arterial street. The 156th Avenue SE
existing street section consists of a pavement width of approximately 45’ with an 11’ travel lane in the
southbound direction, a 13’ travel lane in the northbound direction, an 11’ left turn lane for northbound
156th Avenue SE traffic, and a 10’ paved shoulder along the western frontage. A 0.5’ curb and a 4.5’
concrete sidewalk exist along the eastern frontage. The existing right of way width for 156th Avenue SE
is approximately 60’ per the King County Assessor’s Map.
SE 2nd Place north of the site is classified as a residential access street. The SE 2nd Place existing street
section consists of a pavement width of approximately 38’ with a 15’ travel lane in the eastbound and
westbound direction and a 4’ paved shoulder along each side of the roadway. There is no existing curb
or sidewalk along either side of the roadway. The existing right of way width for SE 2nd Place is
approximately 60’ per the King County Assessor’s Map.
WATER COMMENTS
1. Water service is provided by King County Water District 90. Please obtain a water availability
certificate from the District and provide it to the City for review with the construction permit
submittal.
EXHIBIT 14
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2. Review of the water plans will be conducted by King County Water District 90 and the Renton
Regional Fire Authority.
3. Plans approved by King County Water District 90 shall be routed to the City for final review prior to
permit issuance.
SEWER COMMENTS
1. All new side sewers shall be 6”. All new side sewers shall flow by gravity to the main at a minimum
slope of 2%. A grinder pump system internal to each home may be needed for a daylight basement.
Each lot shall have its own side sewer. Sewer cleanouts should not be located in the new driveways.
The preliminary utility plan submitted to the City by Pacific Engineering Design shows an individual
side sewer for each lot connecting to the existing sewer main in SE 2nd Place.
2. The site is served by a private on-site septic system. The septic system(s) shall be abandoned at the
time of demolition of the existing homes in accordance with King County Department of Health
regulations and Renton Municipal Code.
3. Each lot is subject to a system development charge (SDC) for sewer service. The SDC for sewer
service is based on the size of the domestic water service. The 2017 SDC for sewer service with a
3/4" or 1” water meter is $2,540.00. Sewer SDC fees are due at construction permit issuance.
4. Each lot is subject to a Special Assessment District (SAD) fee. The site is located in the Central
Plateau Interceptor SAD. The fee associated with this SAD is $351.95 plus interest per lot. SAD fees
are due at construction permit issuance.
STORM DRAINAGE COMMENTS
1. A preliminary drainage plan and Technical Information Report (TIR) prepared by Pacific Engineering
Design dated May 3, 2017 were submitted to the City as part of the site plan submittal. The site is
located in the City’s Flow Control Duration Standard (Forested Site Conditions). The site is located in
the Lower Cedar River drainage basin. The TIR was completed in accordance with the standards
found in the 2017 Renton Surface Water Design Manual (RSWDM). All nine core and six special
requirements were addressed.
The site’s natural storm drainage discharge location is at the site’s southwest corner. The project is
not proposing to discharge storm drainage at this location. Instead, the project is proposing to
discharge storm drainage into the existing 12” pipe storm drainage system located north of the site
in SE 2nd Place. Thus, the project is not in compliance with Core Requirement #1, Discharge at the
Natural Location. A stormwater adjustment will need to be approved to use the proposed discharge
location.
The natural downstream flow path from the site flows southwest from the site through 278 Toledo
Avenue SE and then south in the Toledo Avenue SE / 154th Avenue SE right of way to the end of the
paved roadway where it is collected by a catch basin approximately 335’ south of 278 Toledo
Avenue SE. From this point, drainage is conveyed south in a shallow open conveyance system south
through the unimproved 154th Avenue SE right of way to the intersection of 154th Avenue SE and SE
142nd Street in unincorporated King County approximately 1,675’ south of 278 Toledo Avenue SE.
From this point, the drainage path continues west in the SE 142nd Street right of way through a
series of swales and unmapped culverts to a point where it discharges to an existing stream near the
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intersection of 150th Place SE and SE 142nd Street approximately 1330’ west of the intersection of
154th Avenue SE and SE 142nd Street.
The proposed downstream flow path from the site has flows conveyed west from the site in an
existing 12” piped conveyance system to the intersection of SE 2nd Place and Rosario Avenue SE
approximately 875’ west of the site. The flows are then conveyed south through a water quality
bioretention swale that was installed as part of the Highland Estates plat to a discharge point into
an existing stream in King County park property. The discharge point is approximately 390’ south of
the intersection of SE 2nd Place and Rosario Avenue SE. The flows are then conveyed southwest in
the stream through King County park property for approximately 1,200’ to a piped King County
conveyance system in 148th Place SE. Flows are conveyed in the piped system approximately 1,650’
south in 148th Place SE, 149th Place SE, and SE 142nd Street to the discharge point at the existing
stream near the intersection of 150th Place SE and SE 142nd Street mentioned above.
The final TIR needs to include a Level 1 offsite analysis for the proposed downstream drainage path
to satisfy Core Requirement #2, Offsite Analysis. The offsite analysis in the preliminary TIR only
accounts for the natural downstream drainage path.
A detention vault is proposed to meet the flow control requirements to satisfy Core Requirement
#3, Flow Control Facilities. The vault was sized using WWHM 2012. Vault sizing calculations used
forested conditions for the existing conditions input into WWHM for the lot area after right of way
dedication. Sizing calculations used the existing land cover for the existing conditions input into the
WWHM for areas that will be disturbed along the 156th Avenue SE and SE 2nd Place frontages
(including areas that will be dedicated as City right of way). Frontage areas that are disturbed as
part of the project shall be modeled as forested conditions for the existing condition input into the
WWHM model. Frontage areas that will drain to the site’s detention vault and that are not disturbed
by the project may be modeled as their existing condition. Per the preliminary TIR, the vault is
designed in accordance with the City’s Flood Problem Flow Control Standard (King County Level 3).
Revised vault sizing calculations using WWHM should be provided with the construction permit
submittal.
Conveyance calculations were not provided in the preliminary TIR. Conveyance calculations shall be
included in the final TIR to satisfy Core Requirement #4, Conveyance System. The conveyance
calculations should include conveyance analysis of the flow through the existing bioretention swale
water quality facility that was installed as part of Highland Estates and the stream through the King
County park property. The bioretention swale shall continue to function as originally designed.
Per the preliminary TIR, this project is exempt from Core Requirement #8, Water Quality Facilities as
the project is proposing less than 5,000 square feet of new plus replaced pollution generating
impervious surface.
The project is proposing to use basic dispersion and restricted footprint to satisfy Core Requirement
#9, On-Site BMPs. The combination of basic dispersion and restricted footprint provide at mitigation
to at least 10% of the lot area. The TIR notes that full dispersion and full infiltration are infeasible
BMPs due to site constraints and soil types. Limited infiltration is also infeasible due to the soils on
site. Bioretention, rain gardens, and permeable pavement are infeasible as the site does not have
infiltration rates of at least 0.3 inches per hour per the submitted geotechnical report.
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2. Prior to submittal for the civil construction permit, the applicant will shall apply and receive a
decision for a storm drainage adjustment to not discharge at the site’s natural discharge location
and divert the site’s stormwater to another drainage basin as shown on the submitted plans. The
drainage adjustment is subject to review by the City Plan Reviewer and the Surface Water Utility
Department.
An adjustment request will only be considered if the vault is designed in accordance with the City’s
Flood Problem Flow Control Standard (King County Level 3) to help mitigate for potential
downstream issues. Thus, in addition to the Flow Control Duration Standard (Forested Site
Conditions), the vault shall be designed to match the 100-year developed peak discharge rate to the
pre-developed (forested) 100-year peak discharge rate. In addition, a Level 1 Downstream Analysis
shall be completed for the downstream drainage path that flows will be diverted to. The
downstream analysis should cover the entire flow path to the point where it rejoins with the natural
flow path approximately 0.75 miles downstream of the site. The preliminary TIR only included a
Level 1 Downstream Analysis for the site’s natural downstream flow path.
The storm drainage adjustment application shall include a narrative describing the adjustment
request and explanation of how the adjustment meets the two criteria for granting adjustments
found in Section 1.4.2 of the 2017 RSWDM. The fee for the storm drainage adjustment is $566.50
($550.00 +3 % technology fee).
3. The preliminary drainage plan shows a piped stormwater conveyance system in the 156
th Avenue SE
and SE 2nd Place flowline that conforms to the City’s street standards. New storm drain shall be
designed and sized in accordance with the standards found in Chapter 4 of the 2017 RSWDM. Storm
drain with a minimum diameter of 12” is required in the public right of way.
4. A geotechnical report evaluating site soil conditions was prepared by Cobalt Geosciences dated
August 22, 2016 and updated April 24, 2017. The report notes that there was no evidence of earth
movements, erosion, or indicator of future instability. Two small-scale pilot infiltration tests were
performed within the property to evaluate infiltration potential of the site on April 21, 2017. The
two areas were excavated to a depth of approximately 3’ below grade. Groundwater seepage was
observed entering the excavations at a depth of approximately 2.5’ below grade. The report
concludes that due to groundwater and the dense glacial till observed at the time, an infiltration
rate of 0.3 inches per hour is not obtainable.
5. Each new lot is subject to a stormwater system development charge. The 2017 SDC for stormwater
is $1,608.00 per lot. A credit for two lots will be issued for the existing homes. Stormwater SDC fees
are due at construction permit issuance.
TRANSPORTATION/STREET COMMENTS
1. Each new lot is subject to a transportation impact fee. The 2017 transportation impact fee is
$5,430.85 per single family home. A credit for two lots will be issued for the existing homes. The
transportation impact fee is due at the time of building permit issuance for each individual home.
2. 156
th Avenue SE is classified as a minor arterial. Per RMC 4-6-060, the minimum right of way width
for a minor arterial with four lanes is 91’. The paved roadway section is 54’ consisting of 4 – 11’
travel lanes and 2 – 5’ bike lanes. A 0.5’ curb, 8’ planter, and 8’ sidewalk are required along each
side of the roadway. The King County Assessor’s Map shows a current right of way width of
5
approximately 60’ for 156th Avenue SE. A right of way dedication of approximately 15.5’ would be
required along the project frontage.
The City’s Transportation Department has established a corridor plan for this section of 156th
Avenue SE. The corridor determined by the City’s Transportation Department requires a right of
way width of 71’. The paved roadway section is 44’ consisting of 2 – 11’ travel lanes, 1 – 12’ center
turn lane, and 2 – 5’ bike lanes. A 0.5’ curb, 8 planter, and 5’ sidewalk are required along each side
of the roadway.
The street section for 156th Avenue SE shown on the preliminary utility plan is consistent with the
corridor plan described above.
3. The applicant submitted a street modification request dated June 1, 2017 with the land use
application. The street modification request is to conform to the City’s adopted corridor plan for the
156th Avenue SE frontage.
City staff is recommending approval of the applicant’s modification request. Please see the Street
Modification Criteria and Analysis for a complete summary of the request, staff analysis, and staff
recommendation.
4. SE 2
nd Place is classified as a residential access street. Per RMC 4-6-060, the minimum right of way
width for a residential access street is 53’. The minimum paved roadway width is 26’ which includes
2 – 10’ travel lanes and 1 – 6’ parking lane. A 0.5’ curb, 8’ planter, and 5’ sidewalk are required
along each side of the roadway. The King County Assessor’s Map shows a current right of way width
of approximately 60’ for SE 2nd Place. No right of way dedication would be required along the SE 2nd
Place frontage.
The street section for SE 2nd Place shown on the preliminary utility plan is consistent with the
residential access street standards described above.
5. Per RMC 4-6-060, a curb return of 35’ is required to meet City standards at the intersection of 156
th
Avenue SE and SE 2nd Place. The preliminary drainage plan shows a curb radius of 25’. This is not to
City standards.
6. Two perpendicular curb ramps per WSDOT standards are required at the corner of 156
th Avenue SE
and SE 2nd Place. Curb ramps shall be aligned to tie into the existing curb ramps on the opposite side
of 156th Avenue SE and SE 2nd Place.
7. Per RMC 4-4-080, the maximum width of a single loaded garage driveway is 9’ and the maximum
width of a double loaded garage driveway is 16’. If a garage is not present, the maximum driveway
width is 16’. Driveways shall not be closer than 5’ to any property line. Maximum slopes for
driveways shall not exceed 15% provided that driveways exceeding 8% provide slotted drains at the
lower end with positive drainage discharge to restrict runoff from entering the garage.
8. Per RMC 4-6-060, street lighting is required as the project is larger than four residential units. A
photometric study and street lighting plan per City standards shall be submitted with the
construction permit submittal.
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9. The project does not require a Traffic Impact Analysis as the project produces less than 20 vehicles
per hour in both the AM and PM peak periods.
10. Paving and trench restoration within the City of Renton right of way shall comply with the City’s
Restoration and Overlay requirements.
GENERAL COMMENTS
1. The fees listed are for 2017. The fees that are current at the time of the respective permit issuance
will be levied. Please see the City of Renton website for the current fee schedule.
2. Retaining walls that are 4’ or taller from bottom of footing and stormwater detention vaults will
require a separate building permit. Structural calculations and plans prepared by a licensed
engineer will be required as part of the building permit review.
3. All civil plans shall conform to the current City of Renton survey and drafting standards. Current
drafting standards can be found on the City of Renton website.
4. A separate plan submittal will be required for a construction permit for utility work and street
improvements. All plans shall be prepared by a licensed Civil Engineer in the State of Washington.
5. Please see the City of Renton Development Engineering website for the Construction Permit
Application and Construction Permit Process and Submittal Requirements. Please contact the City
to schedule a construction permit intake meeting.
Renton Regional Fire Authority, Corey Thomas, cthomas@rentonrfa.org, 425.430.7024
1. The fire flow requirement for a single family home is 1,000 gpm minimum for dwellings up to 3,600
square feet (including garage and basements). If the dwelling exceeds 3,600 square feet, a
minimum of 1,500 gpm fire flow would be required. A minimum of one fire hydrant is required
within 300-feet of the proposed buildings and two hydrants if the fire flow goes up to 1,500 gpm.
Existing hydrants appear adequate; the existing hydrants shall be retrofitted with a 5-inch storz
fitting as neither has one now. Water availability certificate required from King County Water
District 90.
2. Fire department apparatus access roadways are adequate as they exist.
3. The fire impact fees are currently applicable at the rate of $718.56 per single family unit. Credit
would be granted for the removal of all existing homes.
Current Planning, Matt Herrera, mherrera@rentonwa.gov, 425.430.6593
1. RMC section 4-4-030.C.2 limits haul hours between 8:30 am to 3:30 pm, Monday through Friday
unless otherwise approved by the Development Services Division.
2. Commercial, multi-family, new single family and other nonresidential construction activities shall be
restricted to the hours between seven o’clock (7:00) a.m. and eight o’clock (8:00) p.m., Monday
through Friday. Work on Saturdays shall be restricted to the hours between nine o’clock (9:00) a.m.
and eight o’clock (8:00) p.m. No work shall be permitted on Sundays.
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3. Within thirty (30) days of completion of grading work, the applicant shall hydroseed or plant an
appropriate ground cover over any portion of the site that is graded or cleared of vegetation and
where no further construction work will occur within ninety (90) days. Alternative measures such as
mulch, sodding, or plastic covering as specified in the current King County Surface Water
Management Design Manual as adopted by the City of Renton may be proposed between the dates
of November 1st and March 31st of each year. The Development Services Division’s approval of this
work is required prior to final inspection and approval of the permit.
4. A National Permit Discharge Elimination System (NPDES) permit is required when more than one
acre is being cleared.
5. The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies
or fluids, operate any equipment, install impervious surfaces, or compact the earth in any way
within the area defined by the drip line of any tree to be retained.
6. The applicant shall erect and maintain six foot (6') high chain link temporary construction fencing
around the drip lines of all retained trees, or along the perimeter of a stand of retained trees.
Placards shall be placed on fencing every fifty feet (50') indicating the words, “NO TRESPASSING –
Protected Trees” or on each side of the fencing if less than fifty feet (50'). Site access to individually
protected trees or groups of trees shall be fenced and signed. Individual trees shall be fenced on
four (4) sides. In addition, the applicant shall provide supervision whenever equipment or trucks are
moving near trees.
7. This permit is shall comply with the Bald and Golden Eagle Protection Act. The permitted is
responsible for adhering to the U.S. Fish and Wildlife Service National Bald Eagle Management
Guidelines (2007) and /or your U.S. Fish and Wildlife Service permit.