CRA-2014-0052 Recon Report.pdf'»u. \�;9~
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121 5"' Avenue North, Edmonds l\A98020
Phone: 425.77l.0228,Fax: 425.77].022|°Web: `vvv*'.edinondmxa.gov
DEVELOPMENT SERVICES DEPARTMENT ° PLANNING DIVISION
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10 Erosion HazonclAreQs
During review and inspection ofthe subject site, itwas found that the site may contain (or beadjacent to) critical
areas, including Geologically Hazardous Areas (Erosion Hazard Area), pursuant to Chapters 23.40 and 23.80 of the
Edmonds Community Development Code (ECDC). Cited sections ofthe Edmonds Community Development Code
(ECDC)can befound onthe City nfEdmonds website ot .
|nthe backyard (north ofthe hnune), the site slopes down tothe north and northwest. According toCity UDAR
data, the area at the rear of the house (immediately north of the house) is at an elevation of about 415 feet, and
the toe of the slope (located north of the northern property line) is at about 396 feet. The gradient ofthis slope is
about I6-18percent. According to information from the US Natural Resources Conservation Service, soils at the
site include A|denxoodUrban land complex (2-Dpercent). Due tothe steepness ofthe slope and the type ofsoil,
the site contains and/or is adjacent to slopes that are considered Erosion Hazard Areas (over 15 percent slope).
Allowed
Activities & ����������)t Proposals
Certain activities are allowed in or near critical area buffers as specified in ECDC 23.40.220. Similarly, certain
development proposals may be exempt from Critical Areas requirements (ECDC 23.40.230). (fyou have any
questions about whether your proposed development qualifies msunallowed orexempt activity, please contact
oP/nnnerƒormore information.
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Critical Areas Reports identify, classify and delineate any areas on or adjacent to the subject property that may
qualify ascritical areas. They also assess these areas and identify any potential impacts resulting from your specific
development proposal. if a specific development proposal results in an alteration to a critical area, the critical
areas report will also contain amitigation plan. You have the option ofcompleting the portion ofthe study that
classifies and delineates the critical areas and waiting until you have a specific development proposal tucomplete
the study. You may also choose submit the entire study with your specific development application. Please review
the minimum report requirements for all types of Critical Areas which are listed in ECDC 23.40.090.D. There are
additional report requirements for different types of critical areas (see below). Note that itiximportant for the
report to be prepared by a qualified professional as defined in the ordinance. There are options onhow to
complete a critical areas study and an approved list of consultants that you may choose from. You may contact the
Planning Division for more information. General Mitigation Requirements for all Critical Areas are discussed in
ECDC2l4O.110through Z3.4O.140.
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It appears that this property contains and/or is adjacent to an Erosion Hazard Area. Geologically hazardous areas
include areas susceptible to erosion, land sliding, earthquake, or other geological events. They pose a threat to the
health and safety of citizens when incompatible development is sited in areas of significant hazard. Such
incompatible development may not only place itself at risk, but also may increase the hazard to surrounding
development and use.
Erosion Hazard areas include A]denwoodand Everett series soils onslopes of15percent orgreater, among others.
Landslide Hazard Areas are further defined inE[DC23.80.02O.A. |naddition tuthe general requirements for
Critical Areas reports referenced above, specific Critical Area report requirements for Erosion Hazard Areas (which
are one ofthe Geologically Hazardous Areas) are provided inECDC2l8U.OS0.
Note that Stable Erosion Hazard Areas may have limited report requirements at the director's discretion. Ato
minimum an erosion and sediment control plan prepared in compliance with the requirements in ECDC
Chapter 2&3mshall hrrequired.
Development is restricted within an Erosion Hazard Area and must meet additional criteria. For erosion hazard
areas with suitable slope stability, an erosion and sediment control plan prepared in compliance with ECDC 18.30
will be considered to meet the Critical Areas "Study Required" determination. The determination of "suitable
slope stability" will be made by both the Planning and Engineering divisions of the City of Edmonds. |nareas where
the slope stability is not suitable, projects within Erosion Hazard Areas will require report byolicensed
Geotechnical Engineer o/other qualified professional. Note that itisimportant for the report tnbeprepared bya
qualified professional esdefined inthe ordinance. Report requirements are given inECDC23.8O.O50,and more
generally inECDC23.40.O9O.D. Development standards are given inECDC23.8O.060and 2l80.O70.
D e t e r- r'n i n a t i iin S t u d y 1`1 e 1 u i red
This review applies to the entire subject parcel. Depending on the location and project proposed relative to the
identified critical areas, certain studies and reports may be required. Please contact the Planning Division at
425.771.0220 if and when you have a specific development proposal for this site in order to discuss the various
permits that will be required. Please note that tree removal on sites containing critical areas may first require a
tree cutting permit, and the illegal removal of trees may result in penalties and steep fines (ECDC 18.45.070,
ordinance #3828).
Kevin Garrett, AICP, Planner
Name, Title
re
June 5, 2014
Date