9003 OLYMPIC VIEW DR.PDFiiiiiiiiiiiiii
12654
9003 OLYMPIC
VIEW DR
•
CITY OF EDMONDS
CRITICAL AREAS RECONNAISSANCE REPORT
Site Location:
9003 Olympic View Drive
Tax Acct. Number:
27041800202700
Determination:
Study Required
Determination #:
CRA-2004-0154
Applicant:
Owner:
Mark & Sandra Johnson
CRITICAL AREAS RECONNAISSANCE REPORT: STUDY REOUIRED
A critical area reconnaissance was conducted on this property in 2004. At that time, it was determined the
site contained steep slope hazard area pursuant to Edmonds Community Development Code (ECDC)
20.15B. Edmonds has updated its critical area regulations since the critical area reconnaissance was
conducted in 2004 and this report is intended to inform the property owners on the updated critical area
regulations that apply to this property.
During review and inspection of the subject site, it was found that the site contains and/or is adjacent to
critical areas, including Geologically Hazardous Areas, pursuant to Chapters 23.40 and 23.80 of the
Edmonds Community Development Code (ECDC).
The subject property lies is just north of Olympic View Drive. The eastern edge of the property slopes
sharply to the east. According to the City's LIDAR data, this slope is approximately 59%. This qualifies
the slope as a possible landslide hazard. Soils on the property are identified as the Alderwood-Everett
gravelly sandy loam series, which also classifies the site as a potential erosion hazard.
This review applies to the entire subject parcel. Depending on the location and type of project proposed
relative to the identified critical areas, certain studies and reports may be required.
ALLOWED ACTIVITIES AND EXEMPT DEVELOPMENT 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). If you
have any questions about whether your proposed development qualifies as an allowed or exempt activity,
please contact a Planner for more information.
GENERAL CRITICAL AREAS REPORT REQUIREMENTS
Critical Areas Reports identify, classify, and delineate any areas on or adjacent to the subject property that
may qualify as critical 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 a mitigation plan. You have the option of completing the
portion of the study that classifies and delineates the critical areas and waiting until you have a specific
development proposal to complete the study. You may also choose to submit the entire study with your
specific development application.
Please review the minimum report requirements for all types of Critical Areas that are listed in
ECDC 23.40.090.D. There are additional report requirements for different types of critical areas
(see below).
Note that it is important for the report to be prepared by a qualified professional as defined in the
ordinance. There are options on how to complete a critical areas study, and there is 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 ECDC 23.40.110 through
23.40.140.
STUDY REOUIREMENT — EROSION HAZARD AREA
It appears that this property contains or is adjacent to an Erosion Hazard Area. Erosion Hazard Areas
include:
• Those areas with Alderwood and Everett series soils on slopes of 15 percent or greater.
• Any area with slopes of 15 percent or greater and impermeable soils interbedded with granular soils
and springs or ground water seepage.
Areas with significant visible evidence of ground water seepage, and which also include existing
landslide deposits regardless of slope.
DEVELOPMENT PROPOSALS ASSOCIATED WITH EROSION HAZARD AREAS
Development within an Erosion Hazard Area must meet additional criteria.
❑ For erosion hazard areas with suitable slope stability, the only critical area study needed is an
erosion and sediment control plan prepared in compliance with the requirements set forth in Chapter
18.30 ECDC as part of the construction documents. This option is at the director's discretion, per
Edmonds Community Development Code section 20.80.050.G.
❑ In areas where the slope stability is not suitable, projects within Erosion Hazard Areas will require a
report by a licensed Geotechnical Engineer or other qualified professional. Note that it is important
for the report to be prepared by a qualified professional as defined in the ordinance.
❑ Report requirements are given in ECDC 23.80.050, and more generally in ECDC 23.40.090.D.
❑ Development standards are given in ECDC 23.80.060 and 23.80.070.
STUDY REQUIREMENT — LANDSLIDE HAZARD AREA
It appears that this property contains or is adjacent to a Landslide Hazard Area.
• A Landslide Hazard Area is any area with a slope of forty percent (40%) or steeper and with a
vertical relief of ten (10) or more feet (except areas composed of consolidated bedrock).
• Landslide Hazard Areas are further defined and illustrated in ECDC 23.80.020.B.
• In addition to the general requirements for Critical Areas reports referenced above, specific Critical
Area report requirements for Landslide Hazard Areas are provided in ECDC 23.80.050.
DEVELOPMENT PROPOSALS ASSOCIATED WITH LANDSLIDE HAZARD AREAS
Development is restricted within a Landslide Hazard Area and its buffer.
• Projects that will intrude into these areas will require a report by a licensed Geotechnical Engineer.
• The criteria that are applied depend on the amount that the buffer is reduced.
• The buffer can be reduced to a minimum of ten (10) feet (with an additional 15' building setback per
ECDC 23.40.280) if a report is prepared that meets the standards listed in ECDC 23.80.050. The
alteration must also meet the requirements listed in ECDC 23.80.060.
• In addition, proposals to reduce thgebuffer to less than ten (10) feet must comply with the design
standards listed in ECDC 23.80 A.3.
nen Lien, Associate Planner June 29 2009
Name
Signature
Date
NOTE: Cited sections of the Edmonds Community Development Code (ECDC) can be found on the City of
Edmonds website at www.ci.edmonds.wa.us.
2
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ADDRESS: / (A J
TAX ACCOUNT/PARCEL NUMBER:
BUILDING PERMIT (NEW STRUCTURE):
COVENANTS (RECORDED) FOR:
CRITICAL AREAS:L ^J DETERMINATION: ❑ Conditional Waiver tudy Required ❑ Waiver
DISCRETIONARY PERMIT #'S:
DRAINAGE PLAN DATED:
PARKING AGREEMENTS DATED:
EASEMENT(S) RECORDED FOR:
PERMITS (OTHER):
PLANNING DATA CHECKLIST DATED: I ct (l </ T
SCALED PLOT PLAN DATED:
'SEWER LID FEE $: LID #:
SHORT PLAT FILE: LOT: BLOCK:
Mo
SIDE SEWER AS BUILT DATED:
SIDE SEWER PERMIT(S) #: s/?
GEOTECH REPORT DATED:
STREET USE / ENCROACHMENT PERMIT #:
WATER METER TAP CARD DATED:
OTHER:
LATEMP\DSTs\Forms\,Street File Checklist.doc .
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Critical Areas Checklist
Site Information (soils/topography/hydrology/vegetation)
1. Site Address/ Location: g 00 3 01_Y/(-1 P l e— V i e-&!
2. Property Tax Account Number:
CA File No: OR,I
D 1-t ✓&
27o`f/ 8002027a0
3. Approximate Site Size (acres or square feet): / 6 12 0 SGt . F i .
4. Is this site currently developed? Syes; no.
If yes; how is site developed? S I /V GL C E S/ D 6 A/'4f F
5. Describe the general site topography. Check all that apply.
Flat: less than 5-feet elevation change over entire site.
1 02'T MOB
Rolling: slopes on site generally less than 15% (a vertical rise of 10-feet over a horizontal
distance of 66-feet).
Hilly: slopes present on site of more than 15% and less than 30% (a vertical rise of 10-feet
over a horizontal distance of 33 to 66-feet).
XSteep: grades of greater than 30% present on site (a vertical rise of 10-feet over a horizontal
distance of less than 33-feet).
Other (please describe):
6. Site contains areas of year-round standing water: /VO ; Approx. Depth:
7. Site contains areas of seasonal standing water: 1V0 ; Approx. Depth: _
What season(s) of the year?
8. Site is in the floodway ZVO floodplain XO of a water course.
9. Site contains a creek or an area where water flows across the grounds surface? Flows are year-round?
NO Flows are seasonal? (What time of year? ).
10. Site is primarily: forested f$�"c meadow ;shrubs ;mixed ;
urban landscaped (lawn, shrubs etc) $ SS% ye-'s
11. Obvious wetland is present on site: A/O
— For City Staff Use Only
1. Plan Check Number, if applicable?
2. Site is Zoned? R S - 1 2 -
3. SCS mapped soil type(s)? 4 A t rwoA, - fvcrut ,,.,-,,,rccL, S to run 25-70Q t bou
4. Critical Areas inventory or C.A. map indicates Critical Area on site? 1z, , GG r Z 6
p* slap b w,t+r'k S 1Dp4A
5. Site within designated earth subsidence landslide hazard area? Ah
/ DETERMINATION
STUDY REQUIRED WAIVER
Reviewed bv: %lL �� Date: 12/ / 4 i o --
Critical Areas Checklist.doc/2.17.2004
N
OF EDM
!4c I $90
Fax: 425.771.0221
City of Edmonds
Development Services Department
Planning Division
Phone: 425.771.0220
The Critical Areas Checklist contained on this form is to
be filled out by any person preparing a Development
Permit Application for the City of Edmonds prior to
his/her submittal of the application to the City.
Date Received: 4/
City Receipt #:
Critical Areas File #:
Critical Areas Checklist Fee: $135.00
Date Mailed to Applicant:
A property owner, or his/her authorized representative,
must fill out the checklist, sign and date it, and submit it
to the City. The City will review the checklist, make a
precursory site visit, and make a determination of the
The purpose of the Checklist is to enable City staff to subsequent steps necessary to complete a development
determine whether any potential Critical Areas are, or Permit application.
may be, present on the subject property. The information Please submit a vicinity map, along with the signed copy
needed to complete the Checklist should be easily of this form to assist City staff in finding and locating the
available from observations of the site or data available at specific piece of property described on this form. In
W�Mfffas Gps]Xr addition, the applicant shall include other pertinent
information (e.g. site plan, topography map, etc.) or
studies in conjunction with this Checklist to assistant staff
l O��in completing their preliminary assessment of the site.
1�PPLIV/�1�oN Ptf�t/---2
The undersigned applicant, and his/her/its heirs, and assigns, in consideration on the processing of the application agrees
to release, indemnify, defend and hold the City of Edmonds harmless from any and all damages, including reasonable
attorney's fees, arising from any action or infraction based in whole or part upon false, misleading, inaccurate or
incomplete information furnished by the applicant, his/her/its agents or employees.
By my signature, I certify that the information and exhibits herewith submitted are true and correct to the best of my
knowledge and that I am authorized to file this application on the behalf of the owner as listed below.
SIGNATURE OF APPLICANT/AGENT
DATE
Property Owner's Authorization
By my signature, I certify that I have authorized the above Applicant/Agent to apply for the subject land use application,
and grant my permission for the public officials and the staff of the City of Edmonds to enter the subject property for the
purposes of inspection and posting atte^t to this application.
/F
�. • OWNER
�r. L!��I • • i
PLEASE PRINT CLEARLY
Owner/Applicant: Applicant Representative:
1%l4P-Ky0+4AtS0XJ
Name Name
'7003 01-YllPlc V lL-kl A>24V£
Street Address
&-,p/40A/0S WA 980:14
City State Zip
Telephone:
Email address (optional):
Street Address
City
State
Telephone:
Email Address (optional):
Zip
"ITY OF EDMONDS so
CRITICAL AREAS DETERMINATION
Site Location: 9003 Olympic View Drive Tax Acct. Number: 27041800202700 /
1827 042 027 0000
Determination: Study Required Determination #: CA-04-154
Applicant: Mark Johnson Owner: Mark Johnson
CRITICAL AREAS DETERMINATION: STUDY REQUIRED (CA-04-154)
During review and inspection of the subject site, it was found that the site may contain critical
areas, including a Steep Slope Hazard Area, pursuant to Chapter 20.1513 of the Edmonds
Community Development Code (ECDC).
STUDY REQUIREMENT — STEEP SLOPE HAZARD AREA
To determine if a Steep Slope Hazard Area does exist, prior to submission of any development
permit, you will be required satisfy the requirements of the Critical Areas Chapter by completing
the following Steep Slope Hazard Area Delineation Requirements:
• A topographic survey must be completed that delineates any Steep Slope Hazard Areas
prepared by a Licensed Land Surveyor.
[A steep slope hazard areas is defined by the Edmonds Community Development Code
as ground that rises at an inclination of 40% or greater within at least 20 feet of
elevation change. In order to delineate a steep slope hazard area, it is necessary to
locate the top and toe of the slope. The inclination of the slope is established by
averaging the inclination over at least 20 feet of vertical relief. A steep slope hazard
area is bordered by a 50-foot-wide buffer measured from both the top and the toe of the
steep slope hazard area. Adjacent to the buffer, there is a 15-feet-wide building
setback.]
• In order to complete this Study Requirement, this map must be submitted to the
Planning Division for review and approval.
DEVELOPMENT PROPOSALS ON A SITE WITH STEEP SLOPE HAZARD AREAS
Development is restricted within the Steep Slope Hazard Area, its buffer, and/or building
setback. If development must occur within these areas, the applicant may pursue certain
processes provided in the Critical Areas Chapter of the Edmonds Community Development
Code. The applicable process depends on the specific development proposal and site but may
include one of the following:
o For development proposals within the 50-foot buffer, but no closer than 10 feet
from the top or toe of the slope, the 50-foot buffer requirement may be reduced
to 10 feet if a study is completed by a licensed geologist or geotechnical
engineer which clearly demonstrates that the proposed buffer alteration will have
no adverse impact upon the site, the public or any private party. This is a
process through which development could be allowed as close as 25' from the
top or toe of the slope (assuming the buffer may be reduced to 10'— the 15'
building setback still applies).
o Development proposals closer than 25' from the top or toe of the slope may be
allowed through the approval of a Steep Slope Exemption, Critical Areas
Variance, or Reasonable Use Exception. These are Land Use Permits that must
be obtained through the Planning Division. If you think your specific
developmenal may require one of these proc es, contact a Planner for
more information.
PROJECT SPECIFIC CONDITIONAL WAIVERS
If the property owner wishes to apply for a specific development permit which they feel would
not impact the Critical Areas located on the site, they may submit their proposal to the Planning
Department for review. If the Planning Department finds that the proposed development permit
will not adversely impact a Critical Area or its buffers, a conditional waiver may be issued on a
project by project basis.
EXEMPT DEVELOPMENT PROPOSALS
Certain development proposals may be exempt from Critical Areas Requirements (ECDC
20.156.040). If you think that a specific development proposal may be exempt, contact a
Planner for more information.
NEW REGULATIONS TO BE ADOPTED SOON
The City Council has approved a new critical areas ordinance, that will be effective some time
after January 1, 2005. The new regulations will require a slightly different critical areas study
for your site. Please review these new regulations at our website, www.ci.edmonds.wa.us.
Name
ignature
Date
❑ Cited sections of the Edmonds Community Development Code (ECDC) can be found on the
City of Edmonds website at www.ci.edmonds.wa.us.
2
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City of Edmonds
Critical Areas Determination
Applicant: Mark Aaron Johnson Determination #: CA-04-154
Project Name: Foundation Repair Permit Number: PC-04-553
Site Location: 9003 Olympic View Drive Property Tax Acct #: 2704 180 020 2700
Project Description:
Remove and replace failed foundation at the northeast corner of
the house with pipe pile foundation under the existing wall.
Waiver Criteria (all criteria must be found to apply):
X There will be no alteration of the Critical Area or its required buffers;
X The development proposal will not impact the Critical Area in a manner contrary to
the goals, purposes, objectives and requirements of the Critical Areas ordinance;
X The development proposal meets the minimum standards of the Critical Areas
ordinance;
X The above findings are based on the following conditions of approval:
1. This conditional waiver is only for foundation repair under the "Proposed
Repair" area as shown on the attached site plan.
2. Owner/contractor is responsible for erosion control and damage.
3. A building permit is required for all work.
Based on the above findings and conditions, the requirement for a Critical Areas Study
associated with this development permit is hereby Waived, as authorized by Chapter 20.15B.040
(A)(2) of the Edmonds Community Development Code.
Meg Gruwell December 16, 2004
Name SigrWure Date
PLANNING DATA
NAME: MArv- ate. h„s DATE: 12i1�i��
SITE ADDRESS: 003 of r 92fe ✓ �+✓ fir, PLAN CHK#: 04 - 553
PROJECT DESCRIPTION: nnt.« jcs»fut faro., ib NE r.w
REDUCED SITE PLAN PROVIDED?: . es No) iq "
MAP PAGE: 3 53 CORNER LOT: es / FLAG LOT: es / o
ZONING: PIS- 2 CRITICAL AREAS DETERMINATION #: 04 - i s4
Er Study Required: K-n f (may
❑ Waiver
Conditional Waiver 6j,Y
SEPA DETERMINATION:
❑ Fee
❑ Checklist
❑ APO list w/ notarized form
U (Needed for 500 cubic yards of grading, Shoreline Area. site within 200 ft. of Puget Sound or Lake Ballinger)
La"Exempt
SETBACKS: N` "-�
Required Setbacks:
Street: Z� ,Left Side: /o' Right Side: Id ' Rear: .y5'
Actual Setbacks:
Street: Left Side: Right Side: S' """ORear:
Street map checked for additional setback required? es / No /AMM
U. DETACHED STRUCTURES:
❑ ROCKERIES:
❑ FENCES/TRELLISES:
U. BAY WINDOWS / PROJECTING MODULATION:'
❑ STAIRS / DECKS: No -
PARKING: Required: Z Actual: I —
LOT AREA: L Zo e
LOT, COVE 197
Calculations: �lr IZo I z ,Z (,v,, L'�
BUILDING HEIGHT: No c-u—is-
Datum Point: b"u '.'4 4K Soo—, Datum Elevation: f u, '
Maximum Allowed: Z.5 ' Actual Height: A,I,<
A.D.U. CREATED?: / Yes
SUBDIVISION:
LEGAL NONCONFORMING LAND USE DETERMINATION ISSUED: es
OTHER:
Plan Review
NewBPPIanningDataForm.DOC .
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CITY OF EDMONDS'
CIVIC CENTER — WATER -SEWER DEPARTMENT Call for' n 0-I107 whop- work
is ready for.inepeotion. (No-inspee•
tions Saturday, Sunday or holidays.) N .0
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SIDE SEWER PERMIT
ADDREs.................................9003 Olympic View Drive
...................................................................... ......................................
M. E. Wilkinson OWNER ..... 70
..........................
.----.. CONTRACTOR Aklin
.............................................................
:.
Perinission is' granted ........ M3rch.._30 ......... 19... 9X14for ........................ days to REPAIR or CONNECT a side sewer
with- City Sewers in accordance with application on file and governing ordinances.
A' TION I8 CALLED TO THE FOLLOWING:
NO /No. 1—The owners of the property may obtain a permit to construct sewer inside property line. A licensed Side Sewer Contractor must
be employed to construct side sewer in street area. Do not cover any portion of sewer before it has been inspected.
NOTE No. 2—Obtain full information regarding Ordinance 11.16.030 and Regulations governing side sewers when you get permit.
Nr—^ No. 3—Top of aide sewer must have at least 30 inches coverage at property line and 12 inches inside property line; minimum grade of 2%.
No bends in grade sharper than % will be permitted.
A�_J No. 4—Trenches in street must be water settled and surface of street restored to original condition. Contractors shall be responsible for
failure due to improper work which may develop within one year of completion.
NOTE No. 5—It Is unlawful to alter or do any other work than Is provided for in the permit, or to do any work on the main sewer or its appur-
tenances except to Insert the pipe Into the wye.
I
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UTI1. 1•TY EASEMENT
IN CONSIDERATION OF BENEFITS TO ACCRUE TO THE GRANTORS HEREIN, THE UNDERSIGNED,
'a i! r - S e. z AND �I f ^ G[ ,/ �'
HEREBY GRANT TO THE CITY OF ED11,13NDS, A MUNICIPAL ORPORAT1ON, A PERMANENT EASEME_'4 R
THE INSTALLATION, 0PERA,.710N, AND MAINTENANCE OF l t / / �Y
xtaw OVER, ACROSS, THROUGH AND BELOW THE tOLLOW-
GJ• ING DESCRIBED PROPERTY, AND THE FURTHER RIGHT TO REMOVE TREES, BUSHES, UNDERGROWTH AND
OTHER OBSTRUCTIONS INTERFERING WITH THE LOCATION, CONSTRUCTION AND MAINTENANCE OF SAID
UTILITY OR UTILITIES,
a
THE EASEMENT AND RIGHT-OF-WAY HEREBY GRANTED IS LOCATED IN THE COUNTY OF
SNOHOMISH, STATE OF WASHINGTON, AND IS MORE PARTICULARLY DESCRIBED AS FOLLOWS:
THIS EASFIAENT LICS WITI-HiN THE FOLLOWING DESCRIBED TRACT OF LAND:
BEGINNING AT THE NORTHWEST CORNER OF SECTION 18, T22N, R4E, t.M. ; THENCE
EAST ALONG THE NORTH LINE 509.67 FEET, THENCE SOUTH 90 FEET TO THE TRUE POINT OF
BE: GI NN I NG; THENCE ;BEST 70 FEET; THENCE SOUTHWESTERLY TO A POINT ON: THE ('FORTH
BOUNDRY OF THE EDMONDS•-BEVERLY PARK ROAD, 90 FEET NORTHWESTERLY AS MEASURED
ALONG THE NORTH LINE OF SAID ROAD FROM A LINE 509.67 FEET EAST OF THE kdEST LINE
OF SECTION 18; THENCE SOUTHEASTERLY ALONG THE NORTH LINE OF SAID ROAD 90 FEET;
THENCE NORTH TO THE TRUE POINT OF BEGINNING,
THEEASEI'•1F-NT BEGINS AT THE NORTHEAST CORNER OF THE ABOVE DESCRIBED TRACT,
THENCE VIEST ALONG •fliE NORTH LINE 01' SAID TRAC—r J FEET; THENCE: SOUTHEASTERLY TO
A POINT ON THE CA$*r LilJC or TRACT DISTANCE THEREON 15' SOUTH OF THL NC'NTIIE.,AST
CORNER; THENCE NORTH TI) THE POINT OF BEGINNING.
THE 'UNDERSIGNED GRANTOR(S) ALSO AGREE(S) THAT HE WILL GRANT THE CITY OF
EDMONDS A LICENSE TO GO AND ENTER UPON THE SAID PROPERTY A REASONABLE DISTANCE
ON EITHER SIDE OF' THE AFORESAID EASEMENT FOR CONSTRUCTION PURPOSES, SAID LICENSE
TO TERMINATE UPON ACCEPTANCE OF THE WORK WITHIN SAID EASEMENT.
7.11E CITY AGNI:E:, TO NL!37011C 10 aUIJSTANTIAL•L1' THC ORIGINAL CONDITION SUCII IM-
PROVEWEN,S AS ARE (JI STURULD DURING 'nii: CONS'rItUC•fION, MAINTENANCE AND REPAIR Of' SAID
UTILITY OR UTILITIES; PROVIDED, THE GRANTORS, THEIR HEIRS OR ASSIGNS SFIALL NOT CON-
5TRUCT ANY PERMANENT STRUCTURE OVER, UPON OR WITHIN THE PERMANENT EASEMENT.
DATED THIS , / DAY OF
STATE OF WASH I NGTON )
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COUNTY OFSiG&k' llf/l )
C
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04 THIS DAY PERSONALLY APPEARED BEFORE
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TO ME KNOWN TO BE THE INDI VIDUAL. S
DESCRIBE IN AND WHO EXECUTED THE
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THAT /� ,� SIGNED THE SAME AS
FREE AND VOLUNTARY ACT AND DEED, FOR
THE
USES AND P RPOSF_S THEREIN MENTIONED.
GIVEN UNDER my Ilf.,dD A14D OFFICIAL SEAL THIS
DAY OF !' i!•'i°✓
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STREET FILEConstAting
Robert M. Pride, Inc. Engineer
November 24, 2004
Mr. Mark Johnson
9003 Olympic View Drive
Edmonds, WA 98026
Re: Report on Geotechnical Recommendations
Proposed Foundation Underpinning
9003 Olympic View Drive
Edmonds, Washington
RMP Project No. 04-367-oi
Dear Mr. Johnson,
RECEIVED
NOV 3 0 2004
PERMIT COUNTER
This report presents the results of my site investigation and engineering evaluation of
foundation settlement conditions existing on the northeast corner of your residence in
Edmonds. It is understood that this settlement problem was. present prior to your
purchase of this property about 25 years ago, and that you want to provide permanent
stabilization for this corner of the residence.
The purpose of my site inspection was to determine the extent of building settlement
and structure distress, and to present recommendations for foundation underpinning
repairs. Preliminary plans for the foundation underpinning have been prepared by
Reed & Associates.
�.00
The two story residence was constructed on a sloping hillside property situated on the
northerly side of Olympic View Drive. Existing topography to the rear of the residence
slopes steeply down toward a natural ravine that is oriented in a northwesterly
direction. The lower level daylight basement and rear yard extend out some distance to
the top of the natural slope, except at the northeast corner where the existing foundation
wall is within 3 or 4 feet of this slope.
Observations of the exterior foundation walls show evidence of cracking and settlement
toward the northeast corner of the house. It is understood that the amount of
settlement approaches four inches across the corner room of the basement. The easterly
foundation and stem wall have separated approximately 3 to 4 inches at a point about 12
feet from the northeast corner. At the present time this corner of the house is supported
with a temporary post and beam frame in anticipation of installing`the underpinning
s0tem.
Existing native soils under this property consist of glacial outwash deposits described as
13203 Holmes Point Drive NE Kirkland, WA 98034...
Phone: 425-$14-3970 Fax: 425-814-5672
•
•
November 24, 2004
Mr. Mark Johnson
Page 2
silty sands and sands with some gravel. At the northeast corner of the building pad
there is fill that appears to have been pushed out when the basement excavation was
made. This fill is loose and was probably responsible for the settlement at this corner of
the house.
Conclusions and Recommendations
Based on the results of site inspection and on discussions with you and Ron Skinner, it
is clear that only the northeast corner of the building has experienced any significant
settlement. Floor level readings show nearly four inches of settlement in a northeasterly
direction. The trend of floor tilt within this unit is toward the loose fill that exists under
this portion of the basement. Floor tilt also exists on the main level in much the same
pattern as in the basement.
It is recommended that the northeasterly corner of the residence be underpinned with
pipe piles to provide permanent structural support to the new footing and stem wall.
Two inch diameter Schedule 8o galvanized pipe piles should be driven to refusal with a
go# pneumatic hammer at three foot centers under the base of the footing. Refusal is
determined by measuring the rate of pile penetration at less than 1" per minute. These
pipe piles are rated for a load capacity of 4 kips, and will provide adequate permanent
support for the portion of the foundation wall that will be replaced. These pipe piles will
extend about 20 feet along the north wall and about 12 feet along the east wall.
Due to the proximity of the existing steep slope at the northeast corner of the house, it is
recommended that the five piles at this corner be driven with a 111:1oV batter. The
vertical load reduction is minimal, and the additional lateral strength will reduce any
tendency for movement of the new foundation wall toward the slope.
Final depths of the driven pipe piles can be expected to vary depending on their location
and the quality of the underlying native outwash soils. For purposes of estimating
lengths of pipe for this job, I have assumed an average of about 15 to 20 feet for these
driven piles.
It is recommended that the new foundation/stem wall be doweled into the existing
foundation walls for structural continuity. In addition the new concrete floor slab
should be doweled into the stem walls using #4 reinforcing bars that extend at least six
feet into the slab. A 10 mil moisture barrier should be placed under the new floor slab as
a means of minimizing vapor migration into the basement area.
Field inspections should be made during the installation of the underpinning piles to
verify that they will provide the recommended design capacity for the replacement
13203 Holmes Point Drive NE Kirkland, WA 98o34
Phone: 425-814-3970 Fax: 425-814-5672
•
•
November 24, 2004
Mr. Mark Johnson
Page 3
foundation walls. Field memos can be provided for submittal to the City for their
records.
If you want I can provide the names of 1 or 2 underpinning specialists that I have
worked with over the past five years and can recommend for this type of assignment.
Please call me if you have any questions or if you want to discuss this report in greater
detail.
Respectfully,
Robert "MPride, . E.
Principal Geotechnical R
dist: (2) Addressee
(1) Ron Skinner
EXPIRES f7 `
rmp: JohnsonFdmResi
13203 Holmes Point Drive NE Kirkland, WA 98o34
Phone: 425-814-397o Fax: 425-814-5672
STREET FILE �
/ x 53' IMPERVIOUS SURFACE CALCS. (SOLID SURFACES)
�� Existing Building Roof Outline 1971 s.f.
.74 Existing Patios 320 s.f.
Existing Driveways
561 s.f.
Existing Misc. Buildings 0 s.f.
Existing Lot Coverage 2852 s.f.
Proposed Building 0 s.f.
Proposed Driveway 0 s.f.
Proposed Lot Coverage 2852 s.f.
18 %
Lot Area 16120 s.f.
Lot Slope >30 %
NOTE:
TOPOG AP C IN E TIMA ONLY,
EYAE TH R UT F SU Y.
81'
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MARK & SANDRA JOHNSON
9003 OLYMPIC VIEW DR
EDMONDS, WA 98026 DATUM PT. +100'
Tax Id 27041800202700
Base of Fire Hydrant FH
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• STREET FrE
CITY OF EDMONDS
250 - 5TH AVE. N. • EDMONDS, WA 98020 • (206) 771-0220 • FAX (206) 771-0221
COMMUNITY SERVICES DEPARTMENT
Public Works • Planning . Parks and Recreation • Engineering
January 6, 1993
Max Wilkinson
9003 Olympic View Drive
Edmonds, WA 98026
Dear Mr. Wilkinson:
LAURA M. HALL
MAYOR
I have reviewed your account and will allow a credit to your account
according to our City policy: the average consumption for the same
period during the previous year charged at normal customer rates, plus
the excess usage charged at the City's cost, plus a surcharge of 15%
applied to the excess only. Only one leak credit will be granted in
any three year period.
Should you have any additional questions after you receive your new
billing, please contact Ilene Larson, Utility Billing Clerk.
Sincerely,
Ron Holland
Water/Sewer Supervisor
RH/lk
cc: Ilene Larson
Utility Billing Clerk
#236675/TXTWATER
• Incorporated August 11, 1890
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