18122 86TH PL W.PDFIIIIIIIIIIII
8174
18122 86TH PL W
#P20
City of Edmonds
Development Services Department
Planning Division
Phone: 425.771.0220
Fax: 425.771.0221
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.
The purpose of the Checklist is to enable City staff to
determine whether any potential Critical Areas are, or
may be, present on the subject property. The information
needed to complete the Checklist should be easily
available from observations of the site or data available at
City Hall (Critical areas inventories, maps, or soil
surveys).
Date Received:
City Receipt #:
Critical Areas File #:
Critical Areas Checklist Fee: $155.00
Date Mailed to Aonlicant:
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
subsequent steps necessary to complete a development
permit application.
Please submit a vicinity map, along with the signed copy
of this form to assist City staff in finding and locating the
specific piece of property described on this form. In
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
in completing their preliminary assessment of the site.
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
o tinn4
knowledge and that I am authorizedt _file this a!"n the a of the owner as listed below.
SIGNATURE OF APPLICANVAGENT DATE -6- 4-001 -3
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 atteudanUalliis application.
7— 1
SIGNATURE OF OWNER—�����. DATE -5-2"'D 1 -
Owner/Applicant:
Name
L4m / 1, � Y I, , c--,,T - -<; , 1 4 2
Street Address
L—klvqvlL,�J
cit� State Zip
Applicant Representative:
eW
Name
Street Address
City State Zip
Telephone: 929-&73-1/0-0 Telephone:
Email address:--7—pdd 6 ce 6 1 bcl�� ee.,Wail Address:
Revised on 12118112 P20 - Critical A reas Checklist Page I of2
#P20 CA File No:
Critical Areas Checklist
Site Information (soils/ topography/ hydrology/ vegetation)
1. Site Address/ Location: Z' '9�t el, L-0
9
2. Property Tax Account Number: DO (_0 I Q 00 D 1401
3. Approximate Site Size (acres or square feet): 00
4. Is this site currently developed? _ yes; _Z"no.
If yes; how is site developed?
5. Describe the general site topography. Check all that apply.
Flat: less than 5-feet elevation change over entire site.
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).
Steep: 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: ; Approx. Depth:
7. Site contains areas of seasonal standing water: Ajo ;Approx. Depth: —
What season(s) of the year?
8. Site is in the floodway floodplain of a watercourse.
9. Site contains a creek or an area where water flows across the grounds surface? Flows are year-round?
Flows are seasonal? (What time of year?
10. Site is primarily: forested meadow ;shrubs mixed
urban landscaped (lawn, shrubs etc)
11. Obvious wetland is present on site:
1. Plan Check Number, if applicable?
2. Site is Zoned?
3. SCS mapped soil type(s)?
AJD
For City Staff Use Only - — ------------- — ------------- — - — -- — ------- ----
4. Critical Areas inventory or C.A. map indicates Critical Area on site?
5. Site within designated earth subsidence landslide hazard area?
Reviewed by
SITE DETERMINATION
—STUDY REQUIRED
Date:
WAIVER
Revised on 12118112 P20 - Critical A reas Checklist Paze 2 of2
City of Edmonds
Site Classification Worksheet
Page 1 of 2
C. I
The project's Site Classification will dictate the specific stormwater management
requirem i ents applicable to your site. Completing this worksheet will help determine the amount of
regulated impervious surface and whether your project falls into the classification of a Small Site
(Category I or Category 2), or a Minor Site. Please reference the Glossary (pp. 10- 11), Figures Q and
E, (pp. 8-9), and Examples (pp. I 1- 12), to assist with completion of this worksheet.
1) Is Permeable Pavement' Proposed For Use on this Site? El Yes Sa/No
Refer to Stormwater Supplement Chapter 5.1
If YES, the subject area is to be considered impervious for initial site classification purposes. Include total
permeable pavement area in the calculation of Non -Regulated, Replaced -and/or New impervious surface
areas in the table below.
2) Determine the Amount and Type of Existing & Proposed Impervious Surface for the Site
Refer to Storinwater Supplement Chapter 2 and Fig. C
Line 1: Identify the Non -Regulated Impervious Surface Area.
Line 2: Identify the Replaced Impervious Surface Area, dividing the total between Exempt and Regulated; either or both
may be zero. Note: For project classification purposes, Replaced Impervious may only be considered exempt
under certain conditions. Refer to the Glossary and Figure D.
Line 3,: Identify the New Impervious Surface Area for your project. All impervious areas created post -July 7, 1977 or
after the date of annexation into the City are regulated & should be included in this total unless they can be
categorized separately as a Replaced -Regulated area.
Line 4: Enter the sum of the total Replaced -Regulated plus the total New impervious areas.
Line 5: Identify the total area currently mitigated by an existing city -approved stormwater management system.
Line 6: Enter the sum of the value in Line 4 less the value in Line 5 to identify the total Regulated area in which
stormwater controls have not yet been applied.
Line 7: Identify the total area proposed to be mitigated through the use of Low Impact Development Techniques.
Line 8: Identify the total area proposed to be mitigated through conventional Stormwater Management Techniques.
** Provide a copy of the following table on the drainage plan sheet for the proposed project
Line
Type
Area (square feet)
Non -Regulated
Exempt
Regulated
2.
Replaced
3.
4.
New (Post 1977) 4 4444 4
Total Regulated Impervious Area
Mitigation required if in excess of 2000sf
+
5.
6.
Total Area Mitigated by Existing Stormwater Management System(s)
Regulated Area Not Yet Mitigated
7.
A ea Proposed to be Mitigated by Low Impact Development Techniques
8. 1
Area Proposed to be Mitigated through Conventional SWM Techniques
I (e.g. porous asphalt, porous concrete, paver blocks, concrete open celled paving grids, or plastic lattices filled with turf or stone)
Revised on 310512012
E72-SIMM—Erosion— "'T"" FILE
ST 1E �
ivixt 3
Page 5 of 12
DEVEWI",`I'�-%�l
(;ITY OF ElPfOHDS
City'of Edmonds
Site 0-assification Worksheet
Page 2 of 2
0 1 E 04,,
'P
(� . 4,-0
3) Determine the Total Area of Land Disturbing Activity coo sf
Refer to Stonnwater Supplement Chapter 8
14) Determine the Quantity of Grading, Fill and/or Excavation . cy
5) Will the project convert3/4Acre or More of Native Vegetation to Lawn or F1 Yes
Landscaped Area?
6) Identify the Watershed the Existing Site Runoff Discharges to
Refer to Stormwater Supplement Chapter 2.3
Based on Site Location and Watershed Map — Figure-C. Check all that apply.
A. E�'6irect Discharge B. F-1 Creek or Lake Basin
ci Edmonds Way Basin
ci Puget Sound Basin
r-i Puget Sound Piped Basin
DETERMINE PROJECT CLASSIFICATION USING THE INFORMATION ABOVE
AND THE PROJECT CLASSIFICATION CHART (Figure B, pg 4)
0 Small Site - Category I 19191mall Site - Category 2 El Minor Site
Stormwater Supplement Stormwater Supplement Stormwater Supplement
Chapter 5 Chapter 5 Chapter 6
Revised on 310512012
E72-SWM—Erosioti—Coiitrol-03.05.12.doc
Page 6 of 12
PLANNINGDATA =FILE
SINGLE FAMILY RESIDENTIAL
Name:
Date:
Ste Address:
Tax Parcel 0 0 66)006) �L)
Project Description:
5F
Plan Check #:
Reduced Site Plan Provided: OE NO)
Zoning:
Map Page:
Corner -Lot: (YES NO)
Flag Lot NO)
Critical Areas Determination #!
Study Required
waiver
SEPA Determination:
Pr Exempt
El Needed (for over 500 cubic yards of grading)
0 Fee 0 Checklist 0 APO List with notarized form
Required Setbacks
Street:
Side:
Side:
Rear:
Actual Setbacks
—7�
Street:
Side:
Side: to
ar:
El Detached Structures:
Q'*'Rockeries:
El Fences/Trellises:
El Bay Windows/Projecting Modulation:
Stairs/Deck:
Height
Datum Point: C o P—, yv\
Datum Elevation:
Maximum Height Allowed:
Actual Height: '3
Other
Parking Required:
Parking Provided:
Lot Area:
Maximum Lot Coverage: 350/c, Proposed:
Lot Coverage Calculations: -7 �2
ADU Created: (YES / NO)
Subdivision:
Legal Nonconforming Land Use Determination Issued: (YES NO)
Comment5'
Plan Review By: Plann . ing Data Form 07-14-09.doc
PLANNING DATA
11 SnZEETF=ILE
Plan Review By: Planning Data Form 07-14-09.doc
I
STREET FILE
0,E E D A,,
Certificate of Occu anc
Building Division
This certificate is issued in accordance with the requirements of Section I 11 of the 09 International Building Code
certifying that at the time of issuance this single family residence was in compliance with the applicable provisions of
the codes and ordinances of the city regulating construction and use of buildings.
Description: 64 - Single Family Residence New
Site Address: 18122 86TH PL W, EDMONDS
Construction Type: V13
Owner: ECHELBARGER INVESTMENTS, LLC
4001 198TH ST SW #2
LYNNWOOD, WA 98036
nw- I j 1 0
,'Building Official
Permit No:
Parcel No:
Occupancy Group
POST IN A CONSPICUOUS PLACE
BLD20130466
00612400000401
R-3/U
06/06/2014
Date Issued
May 2, 2013
ES-2724.01
Echelbarger Investments, LLC
4001 _ 198th Street Southwest, #2
Lynnwood, Washington 98036
Attention: Mr. Todd Echelbarger
Subject: Geotechnical Evaluation
Proposed Echelbarger Lot 4
18122-86 th Place West
Edmonds, Washington
Reference: Insight Engineering Co.
Grading and TESC Plan
January, 2013
2011 Edmonds City Code
Chapters 23.40 and 23.80
National Resources Conservation Survey (NRCS)
Web Soil Survey
Dear Mr. Echelbarger:
Ea],,th
ut
1 Solutions
N W LLc
WLLc
Earth Solutions NW LLC
• Geotechnical Engineering
• Construction Monitoring
• Environmental Sciences
C"
[4N-( 3 2U13
DEVEWrPo' '�W SERVICES CTil-
G!'Pt OF EDMONDS
As requested, Earth Solutions NW, LLC (ESNW) has prepared this letter tand geotechnical
evaluation for the proposed development. The subject site is located south of Olympic View
Drive on the west side of 86 th Place West in Edmonds, Washington. The site is approximately
0.5 acres in size, and is currently undeveloped. The site topography descends toward the
northwest and has an overall elevation change of approximately 25 feet. Vegetation onsite
consists of lightly wooded areas and shrubs.
We understand the subject site is to be developed with a single family residence and
associated utility improvements. We understand grading activities will include fills of up to four
to eight feet, with a proposed four foot landscape rockery. Clearing of portions of the site will be
required to perform the proposed development activities.
STREE"'T FIE
'1805 - -136th Place N.E., SUite 201 a BelleVUe, WA 98005 0 (425) 449-4704 * FAX (425) 449-4711
Echelbarger Investments, LLC
May 2, 2013
Site Conditions
ES-2724.01.
Page 2
Based on site reconnaissance, the subject site does not exhibit signs of slope instability or
erosion hazards; scarps, hummocky terrain, rills, seeps, or springs were not present. The site
is currently vegetated and stable.
As part of this geotechnical evaluation, two test pits were excavated in order to characterize
subsurface conditions; test pit logs are provided as an attachment. Soil observed at the test pit
locations exhibit dense recessional outwash conditions to a depth of approximately three to four
feet, underlain by dense to very dense glacial till. Groundwater seepage was observed in both
test pits at an approximate depth of two feet.
The referenced NRCS soil survey identifies the site soils as Alderwood gravelly sandy loam, 15
to 25 percent slopes.
Critical Area Assessment
As part of this geotechnical evaluation, a critical area assessment was I completed. Landslide
and erosion hazards (with respect to the planned development) were evaluated. This
evaluation concludes that landslide hazard areas are either not present, or are sufficiently
setback from the development and will remain undisturbed. A similar conclusion regarding
erosion hazards is also made.
Landslide Hazard Areas
Section 23.80.020.B of the referenced Edmonds City Code defines a potential landslide hazard
area as follows: "I. Areas of ancient or historic failures in Edmonds which include all areas
within the earth subsidence and landslide hazard area as identified in the 1979 report of Robert
Lowe Associates and amended by the 1985 report of GeoEngineers, Inc.; 2. Any area with a
slope of 40 percent or steeper and with a vertical relief of 10 or more feet except areas
composed of consolidated rock; 3. Any area potentially unstable as a result of rapid stream
incision or stream bank erosion; and 4. any area located on an alluvial fan, presently subject to,
or potentially subject to severe risk of damage as a result of earthquake -induced ground
shaking, slope failure, settlement, soil liquefaction, lateral spreading, or surface faulting. "
As part of the geotechnical investigation, landslide hazards (as defined above) were assessed
based in part on the following:
* Site reconnaissance (including traversing all slope areas),
0 Subsurface investigation (test pits)..
* Geologic and soil survey map review.,
0 Topographic map review.,
Earth Solutions NW, LLC
Echelbarger Investments, LLC
May 2, 2013
ES-2724.01
Page 3
Based on the geotechnical investigation, the planned development areas of the property (and
areas immediately adjacent) do not meet the Edmonds City Code definition of a landslide
hazard area. Further, the findings of the subsurface investigation combined with a
reconnaissance of the slope areas indicate overall good soil strength and stability
characteristics.
Erosion Hazard Areas
Section 23.80.02.A of the referenced Edmonds City Code defines a potential erosion hazard
area as follows: "I. Those areas of the city of Edmonds containing soils that may experience
sever to very sever erosion hazard. This group of soils includes, but is not limited to, the
following when they occur on slopes of 15 percent or greater- a. Alderwood soils (15 to 25
percent slopes); b. AlderwoodlEverett series (25 to 70 percent slopes); c. Everett series (15 to
25 percent slopes); 2. Any area with slopes of 15 percent or greater and impermeable soils
interbedded with granular soils and springs or ground water seepage; and 3. Areas with
significant visible evidence of ground water seepage, and which also include existing landslide
deposits regardless of slope. "
Similar to the assessment of Landslide Hazard Areas, erosion hazards were evaluated based
on site reconnaissance, subsurface investigation, and geologic map review. Based on the
overall geotechnical investigation, the erosion hazard throughout the planned development
area can largely be characterized as moderate. From our review of the planned development
activities, the proposed construction will not increase the erosion hazard. However, with
respect to development activities, erosion control measures (typical of all construction sites) will
need to be managed through implementation of Best Management Practices during
construction.
Based on the results of our critical area assessment, and our understanding of the proposed
development, in our opinion, the proposed development is feasible from a geotechnical
standpoint. In our opinion, the proposed development (including clearing and grading activities)
will not increase the threat of a geologic hazard to adjacent or abutting properties beyond
predevelopment conditions.
Recommendations
Based on the results of our geotechnical evaluation and review of the proposed plans, in our
opinion, the proposed development is feasible from a geotechnical standpoint. In our opinion,
the proposed residential structure can be supported on conventional spread and continuous
and spread footings bearing on competent native soils, re -compacted native soils, or structural
fill.
Earth Solutions NW, LLC
Echelbarger Investments, LLC
May 2, 2013
ES-2724.01.�
Page 4
We trust this letter and geotechnical evaluation meets your current needs. If you have any
questions, or if additional information is required, please call.
Sincerely,
EARTH SOLUTIONS NW, LLC
Raymond A. Coglas, P.E.
Principal
Attachments: Test Pit Location Plan (Grading and TESC Plan)
Test Pit Logs
Earth Solutions NW, LLC
11 11 Pi R! al il; all �i if I d I -,a� � jj� M 4 6 6
TIOR I EW, t
It N w1k1w,�;!81111 !I - 11 q Jil. is Ig 9L
RPP � a -1i i� M Oil
4 R5,
141
P xjpj,b-� il I i -h p "vigi! 18
jig i JC2
a Gi Hog I N�
11
I lam m 1% V11, Ifi 11 ;w all I a '53 15 6L
HIM 11 1 1
9 4 W 9 1-' :i Mg
I I?
jj j
lid
as
k 2c,
Avg
, I I!, 1�-
iM
ES
156
H IV 12,
Al
11 IL
U15Hgo P sz, L 0
0
—j
CL
t
Ul
L
_j
-4-
t
CL
LLJ
uj
ul
0-
atac
�16 1,
(V
tP,
JOB NO. -2-f2 4. 01
CLIENT Fcl6elbar, er IE3w�o,-J& Lo+ 4
TEST PIT NO..
TP- I
DATE
By H T V/
ELEVATION 2C�C�
CONTRACTOR T08d E-C)ret bora�ef ISHEET
of
4) 0)
-0.=
D
:3
—
co
SURFACE CONDITIONS
CL.0
E E
E �0-
I . CA
I
t ,
W
'D
L) -0
Cn
Lic
�)t C-1
M M
ca a)
0
E
4)
,.W
=1 8
NOTE: DEPTH OF TOPSOIL & SOD -1 -(0
0�
SP
- — — — — — — — — — — — --- —
5-
7-
8- . . .......
- - - - - - - - -- -.�, - - - -.1
Mmim M
Test Pit terminated at H feet below existing grade. (NO) Groundwater (table /Eii) encountered
at feet during excavation.
Earth Solutions NWLLC
J013 NO. 2LJ,() I
CLIENT Lj
TEST PIT NO..
TP-2,
DATE Al
By HT\,/
ELEVATION 2Ck2,,
CONTRACTOR 0 l=-C.N-)e I b 0, r
SHEET ) of
-90
4)
'am
(LD
a
a
—
=a.
co
SURFACE CONDITIONS
C'LM
E E
M M
E "�L
M 0)
-S2
0
a)
0
0 W
co -0
U) r-
0'0
E
*0 le
5
NOTE: DEPTH OF TOPSOIL & SOD
O-ZP
nAO,- -aARDdMT� -----
I-.-
2-
------------- -----------
3� -
, ,
SM
r— � ------------------------ ---------
-?- wt) -tA
fDa -!aA
44.
+4n VP- Mm3j
----------
-----------------------------------
-----------------------
7--
8-77
--------------- -------------------
- - - - - - - - - - --- - - - - - - - - - - - - -
9�
0- 1
2--
37—
---------------------
- - - - - - - - - - - - --- - - --- - - - - ---
61-
8
Test Pit terminated at feet below existing grade. (NO) Groundwater (table (EE) encountered
at 'I feet during excavation.
Earth Solutions NWLLC
07/18/2013 12:16 14253039362 INSIGHT ENGINEERING PAGE 01/08
SMEETRIE
INSIORT SNOINFERING CO.
-777--,
July 16, 2013
JoAnne Zulauf
Project Manager
City of Edmonds Public Works Department FECEMMO
121 5h Avenue North
Edmonds, WA 98020 JUL' 19 2W
Re: Echelbarger Lot 4 and 6 (Plan Check #: ENG20130314)
IECO No. 13-0598
Dear Mrs. Zulauf,
The projectreferenced above is revised in response to the review comments'marked on the plans.
The review comments are numbered on the letter and have been addressed as follows:
Storm
Sewer
A Site reconnaissance was performed by Santhosh Moolayil of IECO to observe any
drainage issues downstream. There were no known downstream problems and the
system appears to have adequate capacity. The outflow from both lots 4 and 6 are
proposed to tie into the existing storm system on Olympic View Dr. A 10-inch SD
pipe is proposed to convey the outflow towards the existing storm system where the
system will step down to an 8-inch SD pipe. Refer to the calculations attached to the
letter for more details. The total site includes impervious area of 0.21 Ac and total
pervious area of 0.60 Ac. The total developed I 00-yr flow was determined to be 0. 15
cfs, please see attached WWHM project report. This flow rate can be conveyed in a
4.04-in pipe at 0.5 percent at minimum, please see attached worksheet using
Flowmaster program. Therefore since the additional flows are minimal, the
downstream system shall be adequate to accommodate the additional flows without
any adverse effects.
2. The sewer connections have been revised. Please refer to the revised plans.
3. The sewer line from 18122 86h has been revised. Please refer to the revised plans.
PO Box 1478 # Everett, WA 98206 # Phone: (425) 303-9363
Fax: (425) 303-9362 * Email:info@insightengineering.net
07/18/2013 12:16 14253e39362 INSIGHT ENGINEERING PAGE 02/08
INSIGHT ENCINKERING CO.
Additional Comme t
4. Catch basins have been placed at the edge of the pavement for both lots. Please refer
to the revised plans.
Please feel fi-ee to contact me with any questions or comments you may have.
Sincerely,
Vanthosh J. MToolayil
Project Manager
PO Box 1478 s Everett, WA 98206 # Phone: (425) 303-9363
Fax- (425) 303-9362 * Email:info@insightengineering.net
07/18/2013 12:16 14253039362 INSIGHT ENGINEERING
PAGE 03/08
Lot 4 and 6
Worksheet for Circular Channel
P�jo 2ct Description
Project File
untitled-fim2
Worksheet
Jacob
Flow Element
Circular Channel
Method
Manning's FQrmula
Solve For
Channel Diameter
Input Data
Mannings Coefficient 0.012
Channel Slope 0
00
0
Depth Q. 3�44
u "
Discharge = f _7
5
Results
Diameter
e'-4.04 in
Flow Area
0.09 ft2
Wetted Perimeter
1.06 ft
Top Width
0.00 ft
Cdtical Depth
0.22 ft
Percent Full
100.00
Critical Slope
0.008915 ft/ft
Velocity
1.68 ft/s
Velocity Head
0.04 ft
Specific Energy
FULL ft
Froude Number
FULL
Maximum Discharge
0.16 cfs
Full Flow Capacity
0.15 cfs
Full Flow Slope
0.005000 ft/ft
pxp�r
-)wv F- I A,�JC6
FOrZ, CL
07/16113
FlOwMaster v5.15
11;28:07 AM Haestad Method&, Inc. 3713rooksideRoad Watcrbury,CT08700 (203)-rSS-1066 Page I of 1
07/18/2013 12:16 14253e39362 INSIGHT ENGINEERING PAGE 04/08
Western Washington Hydrology Model
PROJECT REPORT
Project Name: Echelbarger 4 and 6
Site Address: 18122 86th Pl. w
city Edmonds
Report Date 7/16/2013
Gage E-erett
Data Start 1948/10/01
Data End 1997/09/30
Precip scale: 1.00
WWM,13 Version-
PREDEVELOPED LAND USE
Name : EX
Bypass: No
GroundWAter: No
Pervious Land Use Acres
C, Forest, Flat .81
Lmpervious Land Use Acres
Element Flows To:
Surface Interflow Groundwater
Name : DV
Bypass: No
GroundWater: No
Pervious Land Use Acres
Impervious Land Use Acres
ROOF TOPS FLAT 0.21
Element Flows To:
Surface Interflow Groundwater
MITIGATED LAND USE
ANALYSIS RESULTS
Flow Frequency Return Periods for Predeveloped. POC 01
Return Period Flow(cfs)
2 yea= 0.015042
5 year 0.022396
10 year 0.028062
25 year 0.03618
50 year 0.042958
100 year 0.050392
Flow Frequency Return Periods for Mitigated. pOC #1
07/18/2013
12:16
14253039362
Return Period
Flow(CES)
2'year
0.060922
5 year
0.081577
10 year
0.096254
25 year
0.115976
50 year
0-131545
100 year
0.147883
Yearly Peaks
for Predeveloped and Mitigated.
Year
Predeveloped Mitigated
1950
0.006
0.052
1951
0.021
0.088
1952
0.012
0.065
1953
0.011
0.051
1954
0.012
0.069
1955
0.018
0.087
1956
0.028
0.073
1957
0.020
0.036
1958
0.025
0.059
1959
0.019
0.107
1960
0.016
0.061
1961
0.015
0.044
1962
0.015
0.138
1963
0.017
0.061
1964
0.026
0.095
1965
0.015
0.047
1966
0.015
0.042
1967
0.008
0.043
1968
0.021
0.148
1969
0.022
0.079
197 0
0.010
0.099
1971
0.012
0.048
1972
0.016
0-067
1973
0.016
0.111
1974
0.011
0.068
1975
0.013
0.077
1976
0.012
0.062
1977
0.012
0.055
1978
0.009
0.045
1979
0.012
0.039
1980
0.032
0.089
1981
0.013
0.043
1982
0,013
0.050
1983
0.015
0.055
1984
0.013
0.057
1985
0.015
0.058
1986
0.021
0.082
1987
0.051
0.078
1988
0.022
0.073
1989
0.012
0.061
1990
0.015
0.062
1991
0.015
0.042
1992
0.017
0.045
1993
0.012
0.050
1994
0.008
0.051
1995
0.007
0.037
1996
0.015
0.051
1997
0.028
0.057
1998
0.062
0-074
Ranked Yearly Peaks for Predeveloped and
Rank
Predeveloped
Mitigated
1
0.0617
0.1479
2
0.0515
0.1383
3
0.0320
0.1114
4
0.0285
0.1070
5
0.0275
0.0992
6
0.0255
0.0955
7
0.0255
0.0886
INSIGHT ENGINEERING
POC # I
Mitigated. ROC #1
PAGE 05/08
07/18/2013 12:16 14253039362 INSIGHT ENGINEERING PAGE 06/08
0.0218
0.0881
0.0216
0.0574
0.0210
0-0815
0.0208
0.0795
0.0205
0.0776
0.0197
0.0766
0.0186
0.0738
0.0185
0.0729
0.0172
0.0727
0.0165
0.0690
0.0163
0.0678
0.0160
0.0670
0.0158
0.0650
0.0155
0.0620
0.0154
0.0615
0.0153
0.0613
0.0152
0.0607
0.0150
0.0607
0-0149
0.0592
0.0147
0.0578
0.0146
0.0574
0.0146
0.0571
0.0134
0.0553
0.0133
0.0546
0.0132
0.0516
0.0129
0.0513
0.0123
0.0508
0.0121
0.0506
0.0121
0.0503
0.0120
0.0502
0.0118
0.0480
0.0117
0.0466
0.0117
0.0454
0.0116
0.0451
0.0114
0.0444
0.0109
0.0427
0.0100
0.0425
0.0091
0.0423
0.0079
0.0416
0.0077
0.0391
0.0066
0.0372
0.0057
0.0363
POC # 1
Facility duration standard for 1+ flows.
Flow(CFS)
Predev
Dev Percentage Pass/Fail
0.0075
4776
12104
253
Faii
0.0079
4317
11490
266
Fai.11.
0.0082
3923
10897
277
Fai.l.
0.0086
3554
10279
289
Fail
0.0090
3215
9669
300
Fail
0,0093
2888
8951
309
Faii
0.0097
2603
8509
326
717e.,U.
0.0100
2363
8148
344
Fail
0.0104
2144
7783
363
Fail
0.0107
1945
7461
383
Foil
0.0111
1744
7109
407
Fai" L
0.0115
1562
6709
429
Fail
0.0118
1392
6404
460
Fail
0.0122
1265
6121
483
Fail
0.0125
1159
5854
505
vail
0.0129
1056
5588
529
Fail
0.0132
964
5378
557
FAJI
0.0136
871
5124
588
Fail
0.0140
790
4922
623
Fail.
0.0143
711
4712
662
Fail
0.0147
636
4532
712
F�!41
0.0150
569
4308 .
757
n �1 r A
C I A
A n r-7
" () ID
07/18/2013
12:16 14253039362 INSIGHT ENGINEERING PAGE 07/08
0.0158
475
3846
809
Fe'l
0 ' , 0161
430
3675
854
1.
0.0165
404
3520
871
Fail
0.0168
378
3369
891
Fa:.,L
0.01^72
352
3251
923
0.0175
325
3125
961
0,0179
302
3003
994
0.0193
283
2887
1020
0.0186
268
2734
1020
0.0190
254
2610
1027
Vail
0.0193
243
2501
1029
0.0197
223
2392
1072
r.01,
0.0200
206
2297
1115
Fail
0.0204
190
2221
1168
0.0208
1-78
2126
1194
0.0211
162
2030
1253
F-ail
0.0215
157
1943
1237
Fail
0.0218
150
1860
1240
0.0222
145
1747
1204
raii.
0.0226
138
1649
1194
Fai)
0,0229
130
1544
1187
0.0233
125
1468
1174
FAij
0.0236
12.1
1406
1161
F;.ii 1
0.0240
118
1346
1140
["P-.;;
0.0243
1.1.5
1292
1123
Vail
0.0247
114
1232
1080
F.-pol.
010251
ill
1177
1060
�'aii
0.0254
110
1119
1017
rnil
0.0258
105
1063
1012
0.0261
105
1026
977
0.0265
102
986
966
V;Jil
0.0269
101
955
945
Fail
0.0272
99
915
924
Te-
0.0276
96
878
914
0.0279
93
847
910
0.0283
87
821
943
�ail
0.0286
84
783
932
Paii
0.0290
82
754
919
FA;1
0.0294
81
731
902
Fail
0.0297
77
706
916
Fail
0.0301
75
689
918
Fail
0.0304
74
661
893
0.0308
73
645
883
Fa.il.
0-0311
72
616
855
Fail
0.0315
70
593
847
P")*,;.!
0.0319
70
572
817
Fail.
0.0322
68
549
807
F-i i 1
0.0326
66
537
813
Fail
0.0329
66
522
790
F;�.il
0.0333
64
503
785
:"ai'
0.0337
62
486
783
F�%iL
0.0340
60
473
788
Kail
0.0344
58
456
786
Fail
0.0347
58
444
765
Po j- 1
0.0351
57
426
747
Fail
0.0354
54
416
770
Vail
0.0358
54
402
744
Fai.i.
0.0362
54
394
729
Fail
0.0365
52
373
717
F�.-6.1.
0.0369
52
354
680
Cci 1 1.
0.0372
50
333
666
Vail
0.0376
49
314
640
1
0.0379
49
305
622
1
0.0383
47
296
629
Fi;ii
0.0387
45
288
640
Kail
0.0390
45
280
622
E-*;) i. J.
0.0394
43
271
630
Vail
0.0397
41
267
651
0.0401
41
258
629
�.'ail
0.0405
40
255
637
0.0408
38
243
639
n nAl-)
17
r- A 1)
07/18/2013
12:16
14253039362
INSIGHT ENGINEERING PAGE 08/08
0.0415 35
227
648
0 , '04 1'9 35
220
628
0.0422 34
205
602
E . ail
0.0426 34
197
579
0.0430 33
192
Sal
Tho 4e�elopment has an increase jM flow durations
from 112 Pr&d*veloped 2 year flow to the 2 year flow
Or move than a 10% increase from the 2 year to the 50
year flow,
Water Quality BW Flow and Volume for ROC 1.
on-line facility volume; 0 acre-feet
On-line facility target flow: 0 efs.
Adjusted for 15 min: 0 cfe.
Off-line facility taxget flow: 0 cfe.
Adjusted for 15 min: 0 Cfe.
Per1nd and ImpInd Changes
No changes have been made.
This program and accompanying documentation is provided 'as -is' without warranty of any kind. The entire risk
regarding the performance and results of this program is assumed by the user. Clear Creek Solutions and the Washington
State Department of Ecology disclaims all warranties, either expressed or implied, including but not limited to imolied
warranties of program and accompanying documentation. in no event shall Clear Creek Solutions and/or the Washington
State Department of Ecology be li able for any damages whatsoever (including without limitation to damages for lose of
business profits, loss of business information, business interruption, and the like) arising out of the use of, or
inability to use th�is program even if Clear Creek Solutions or the Washington State Department of Ecology has been
advised of the possibility of such damagea.
I=APPVED BY I NNING
-3
TBM
SSCO RIM .53 94'
INV. UNOBTAM—A&E
PLUG IS STUCK
FOUNO I
0.4' (S) OF
CORNER
U-1
f-
0) to
wnt ic�-
ENGINEE NG DIVISION
APPRVVaE AS NOT D
I
I Date: Njol
4 Zonq— Comer FIaLy
ggettack
-ReguiLed Actual
Front jo .7
I EX. Sides ---Vo
E < CA"
Rear'F r b 10
4Rt Other �j (0
12
ASPHALT
iACH-\ Height J-< 5TS�ALE: 1 30'
—t4i-�n � \,,� 0 15 30
-,e
.. Qy)
esl(.44xwo +0(
4,.d W4.4yffAA�rh' SITE AREA: 2Z815 SQUARE FEET
LOT SLOPE
SOUTHEAST — NORTHWEST 312 — 283 = 29
NOTES:
JUN 10 M13 1. UTILITIES SHALL HAVE 10—Fr OF
BUILDING DEPARTMENT SEPARATION
STREET FILE CITY OF EDMONDS 2. NEAREST FH IS LOCATED 140 FEET NORTH
ON 80TH PL. WEST
29 VERTICAL FEET = 15.277. SLO
189.95 LINEAR FEET
HEIGHT CALCU-LA-710
A= 294.5
8= 302.6
C= 310.2
n— 'znfi r,
1,207.8 / 4 = 301.95
.AVERAGE GRADE= 301.95
ACTUAL BUILDING HEIGHT= 326.2
MAXIMUM BUILDING HEIGHT= 326.95
RESIDENCE 2,910 SQUARE FEET
INC. COVERED
PORCHES, GARAGE
TOTAL 2,910 SQUARE FEET
Z910 / 22,815 12.75% MAXIMUM
LOT COVERAGE
IMPERVIOUS COVERAGE.
RESIDENCE 3,200 SQUARE FEET
(including overhangs and Patio)
DRIVEWAY 1,744 SQUARE FEET
WALKWAY 40 SQUARE FEET
TOTAL 4,984 SQUARE FEET
1, tf, GA DESCRIPTIOW
NOTE.
1. SEE GRADINGITESC AND DR41X4GE/UI7LlTY PLANS
FOR MORE INFORMATION
2. IMPERVIOUS AREA REMOVED 0 SF
J. REPLACED IMPERVIOUS AREA 0 SF
PARCEL A'
LOT 4, WHIDRY VIEW, ACCORDING TO THE PLAT THEREOF RECORDED IN
VOLUME 22 OF PLATS, PAGE 81, RECORDS OF SNOHOMISH COUNTY,
WASHINGTON.
PARCEL B.
LOT 6, WHIDBY WEW, ACCORDING TO THE PLAT THEREOF, RECORDED IN
VOLUME 22 OFPLAM PAGE 81, RECORDS OF SNOHOMISH COUNT4,
WASHINGTON.
EXCEPT THE NORDIERLY Z5 FEk7 MEASURED AT RIGHT ANGLES TO THE
NORTH LINE OF S41D LOT 6.
SITUATE IN THE COUNTY OF' SNOHOMISH, STATE' OF WASHINGTON.
E
OUMMEAff &PROCEDURE
HMOD OF SURVEY:
SURVEY pEWORMED BY RELD MAVERSE
INSTRUMEN1AITON.
LEIC4 TM 1205 Room ELECTRONIC TOTAL ST477ON
PRECISION.
MEETS OR EXCEEDS STATE STANDARDS WAC 332-130-090
BASIS OF BEARING.
PLAT OF WHIDBY VfEW AS RECORDED IN VOLUME 22 OF
PLATS, AT PAGE 81, RECORDS OF SNOHOMISH COUNTY
WASHINGTON.
8 BM
-7-OPOF MONUMENT IN CASE IN THE CENTERLINE
0 OF
F 867H PL WEST ELEVAIION = 272.35'
TMI
T
TOP OF SSCO RIM IN CUL-DE-SAC
ELEVA77ON = 283.94'
DA
NAW 88
ENGINEER
SURVEYOR
#0W 9090M COAIAW
NOW COAST SIMYM MC
PO BOX 1478
PO BOX IJ619
EVERETT, WA qa2O6
MILL CREEK, WA 98082
CONIACT.' 6Rb4N R. K4LAB, P.E
CONIACT.- DARREN J. RIDDLE
PH: (42 J03-9-363
5))
PR- ((425)) 508-4951
FAX 25 303-9362
(4
4
FAX- 25 357-3577
APAUCANT / OWNER
E019maw w4snw. UC
4001 198TH SK SW., SUITE 2
LMNWOOD, WA 98306
PH. (425) 673-1100
SITE ADDRESS. 18122 86TH PL W.
EDMONDS, W4 98026
TAX ACCOUNT NO.'S.' 00612400000401
NE114,NW114, SEC.18, T27N.,R.4E., W.M.
SNOROIMSH COUNTY
ECffLBARGER LOT 4
DESIGNED BY. DATE: SCALE: JOB NO.:
JRC 01-29- 1 1 `--30' 13-0598
SIM PLAN
-7
/' cr,
-r.(I" ;E
01mageoff 16@6060MIRID906 CO.
P.O. BOX - 1478
EVERETT, WA 98206
(425) 303-9363 (425) 303-9362 FAX
.1NF0@1NSIGHTENGMER1NG.NL-r
ESC NOTES (ECDC 18.30.050) GENERAL NOTES:
NE 114, NW 114, SEC 18,9 T 2 7N. I R. 4E. 5, W. M. A. ESC MNIMUM REQUIREMENTS. ALL ACTIVITIES NECESSRATING A CLEARING OR GRADING PERMIT AND ALL UTILITY PROJECTS CONSISTING OF MORE THAN 1. ALL M4TERIALS AND WORK SHOWN ON THESE PLANS SHALL CONFORM TO THE
500 LINEAL FEET OF TRENCH EXCAVATION SHALL BE REQUIRED TO CONTROL EROSION AND SEDIMENT DURING CONSTRUC77ON AND TO PERMANENTLY CITY OF EDMONDS STANDARD PLANS AND DETAILS, THE FOLLOWING
SNOHOMISH COUNTY, WASHINGTON STABILIZE EXPOSED SOIL RESULTING FROM CONSTRUCTION. PROJECTS INVOLVING A CRITICAL AREA MAY ALSO BE REQUIRED TO COMPLY WITH ANY
COMBIN4TION OF THE ESC MINIMUM REQUIREMENTS. COMPLIANCE WILL BE DEMONSTRATED THROUGH THE IMPLEMENTATION OF AN APPROVED ESC PLAN. 51-r-wrICA110N.5 AIVU WULZ"), AIVU AU 01HER APPLICABLE LOCAL. MUNICIPAL,
GUIDELIVES FOR PREPARING ESC PLANS ARE PROVIDED IN THE MANUAL. THE PLAN MUST ADDRESS THE FOLLOWING REQUIREMENTS. STATE, AND FEDERAL CODES, RULES AND REGULATIONS.
- CURRENT INTERNA77ON41. BUILDING CODE (18C)
1. ESC MNIMUM REQUIREMENT - CONSTRUCRON ACCESS ROUTE. CONSTRUCTION VEHICLE ACCESS SHALL BE, WHENEVER PRACTICAL, LIMITED TO ONE - 2010 WSDOT1APW4 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND
'30' C-) ROUTE. ACCESS POINTS SHALL BE STABILIZED WITH QUARRY SPALLS OR CRUSHED ROCK TO MINIMIZE THE TRACKING OF SEDIMENT ONTO PUBLIC MUNICIPAL CONSTRUCTION
--- :_ - ___� 1) - WASHINGTON STATE DEPARTMENT OF ECOLOGY STORMWATER MANAGEMENT
TTD� ROADS. IF SEDIMENT IS TRANSPORTED ONTO A ROAD SURFACE, THE ROADS SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT MANUAL FOR THE PuGEr SOUND BASIN (cuRRENr EDITION)
SHALL 9E REMOVED FROM ROADS BY SHOVELING OR SWEEPING AND BE TRANSPORTED TO A CONTROLLED SEDIMENT DISPOSAL AREA WITHIN 24 HOURS.
STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 2. STANDARD PLAN AND TYPE NUMBERS INDICATED ON THESE DRAWINGS REFER TO
2. ESC MNIMUM REQUIREMENT - STABILIZA77ON OF EXPOSED AREAS. ALL SOILS E)(POSED BY LAND DISTURBING ACTIVITIES SHALL BE STABILIZED BY CITY OF EDMONDS STANDARD DEFAILS, UNLESS NOTED OTHERWISE
SUITABLE APPLICATION OF BMPS, INCLUDING, BUT NOT LIMITED TO, SOD, HYDROSEEDING, OR OTHER VEGETATION, PLASTIC COVERING, OR MULCHING. ALL
BMPS SHALL BE SELECTED, DESIGNED, AND MAINTAINED IN ACCORDANCE WITH THE MANUAL. THE EXPOSED SOILS SHALL BE STABILIZED ACCORDING TO 3. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOBSITE WHENEVER
AN APPROVED 77MEFABLE (TYPICALLY, NO SOILS SHALL REMAIN EXPOSED FOR MORE THAN TWO DAYS FROM OCTOBER I THROUGH APRIL 30 AND NO CONSTRUCTION IS IN PROGRESS
MORE THAN SEVEN DAYS FROM MAY 1 THROUGH SEPTEMBER 30).
EX GAS-- 4. DEVIATIONS FROM THESE PLANS MUST BE APPROVED BY THE ENGINEER OF
3. ESC MAHMUM REQUIREMENT - PROTECTION OF ADJACENT PROPERTIES. ADJACENT PROPERTIES SHALL BE PROTECTED FROM SEDIMENT DEPOS17ION BY RECORD AND THE LOCAL GOVERNING AUTHORITY.
APPROPRIATE USE OF VEGETATIVE BUFFER STRIPS, SEDIMENT BARRIERS OR FILTERS, DIKES OR MULCHING, OR BY A COMBINA77ON OF THESE MEASURES 5. CONTRACTOR SHALL RECORD ALL APPROVED DEVIATIONS FROM THESE PLANS ON
AND OTHER APPROPRIATE BMPS.
-BUILT" DRAWINGS AND SHALL SUMMARIZE ALL AS -BUILT
- - - - - - 7 A SET OF "AS
4. ESC MNIMUM REQUIREMENT - MAINTENANCE. ALL EROSION AND SEDIMENT CONTROL BMPS SHALL BE REGULARLY INSPECTED AND MAINTAINED BY THE CON017IONS ON ONE SET OF REPRODUCIBLE DRAWINGS FOR SUBMITTAL TO THE
OWNER TO ENSURE CONTINUED PERFORMANCE OF THEIR INTENDED FUNCTION. ALL MAINTENANCE AND REPAIR SHALL BE CONDUCTED IN ACCORDANCE OWNER PRIOR PROJECT COMPLETION AND ACCEPTANCE. A SEr OF AS -BUILT
WITH THE MANUAL. DRAWINGS SHALL BE SUBMITTED TO THE CITY OF EDMONDS PRIOR TO FINAL
SSCO RIM 283.94' 1'12' APPROVAL OF THE BUILDING OCCUFANCY/FINAL PROJECT APPROVAL.
INV. UN08TAINABLE ASPHALT 5. ESC MNIMUM REQUIREMENT - OTHER BMPS. AS REQUIRED BY THE CITY, OTHER APPROPR14TE BMPS TO MITIGATE THE EFFECTS OF INCREASED RUNOFF 6. ELEVATIONS SHOWN ARE IN FEEF. SEE SURVEY FOR BENCHMARK INFORMATION.
A SHALL 9E APPLIED.
PLUG IS STUCK 6. EROSIOV AND SEDIMENT CONTROL REQUIREMENT - UNDERGROUND UTILITY CONSTRUCTION. THE CONSTRUCTION OF UNDERGROUND UI7LJ7Y LINES SHALL 7. THE LOCATIONS OF EXISTING UTILITIES AND SITE FEATURES SHOWN HEREON
EX GAS- SPECIFCALLY ADDRESS THE FOLLOWING. HAVE BEEN FURNISHED BY OTHERS BY FIELD SURVEY OR OBTAINED FROM
AVAILABLE RECORDS AND SHOULD THEREFORE BE CONSIDERED APPROXIMATE
A. ERO51ON CONTROL FOR EXCAVATED AND STOCKPILED MATERIALS; ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF
Q. THE CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY
B. THE PLACEMENT OF EXCAVATED MATERIAL WHERE CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS SHALL BE PLACED ON THE UPHILL SIDE OF LOCATIONS SHOWN AND TO FURTHER DISCOVER AND PROTECT ANY OTHER
FOUND 1 IP TRENCHES; UTILITIES NOT SHOWN HEREON WHICH MAY BE AFFECTED BY THE
0. 4' (S) OF IMPLEMENTATION OF THIS PM CONTRACTOR SHALL VERIFY LOCATION, DEPTH,
SIZE, TYPE AND CONDITION OF EXISTING UTILITY LINES AT CONNECTION OR
CORNER C. TREUCH DEWA7ERING SYSTEMS (MUST DISCHARGE INTO SEDIMENT TRAPS, SEDIMENT PONDS, OR OTHER ACCEPTABLE MEANS); CROSSING POINTS BEFORE TRENCHING FOR NEW UTILITIES. ENGINEER ASSUMES
LLJ.. NO RESPONSIBILITY FOR THE COMPLETENESS OR ACCURACY OF THE EXISTING
TEMP. SCALE: 1 20' D. TRACKING AND SPILLING OF MATERIALS ON STREETS DUE TO HAULING, UTILITIES AND SITE FEATURES PRESENTED ON THESE DRAWINGS. ENGINEER
ISOM mrmm ummumom
Z_ j
CONSTRUCTION -rp E DAILY CLEANUP AND STREET MAINTENANCE. SHALL BE NOTIFIED IMMEDIATELY OF CONFLICTS THAT ARISE.
I 111M 110111 EMEMM
ENTRANCE 20 10 0 20 40 7. ADDMOVAL ESC MINIMUM REQUIREMENTS FOR LARGER DEVELOPMENTS. ALL NEW DEVELOPMENT AND REDEVELOPMENT THAT INCLUDES LAND DISTURBING 8. CONTRACTOR SHALL LOCATE AND PROTECT ALL UTILITIES DURING CONSTRUC71ON
ACTIVTTSES OF GREATER THAN, OR EQUAL TO, ONE ACRE IN ADDITION TO MEETING THE MINIMUM REQUIREMENTS SET FORTH ABOVE SHALL COMPLY WITH AND SHALL CONTACT THE UNDERGROUND UTILITIES LOCATION SERVICE
ESC REQUIREMENTS LISTED BELOW. (1-800-424-5555) AT LEAST 48 HOURS PRIOR TO CONSTRUCTION.
__2:
HOUSE 8. ESC MNIMUM REQUIREMENT - DELINEATE CLEARING AND EASEMENT LIMITS. IN THE FIELD, MARK CLEARING LIMITS ANDIOR ANY EASEMENTS, SETBACKS, 9. CONTRACTOR SHALL VERIFY ALL CONDITIONS AND DIMENSIONS AT THE PROJECT
SENSITIIEICRIIICAL AREAS AND THE BUFFERS, TREES AND DR41NAGE COURSES. SITE BEFORE STARTING WORK AND SHALL NOTIFY OWNER'S REPRESENTATIVE OF
ANY DISCREPANCIES.
9. ESC MNIMUM REQUIREMENT - SEDIMENT TRAPPING. PRIOR TO LEAVING THE SITE, STORM WATER RUNOFF SHALL PASS THROUGH A SEDIMENT POND OR
SEDIME14T TIRAP, OR 07HER APPROPRIATE BMPS. SEDIMENT PONDS AND TR4PS, PERIMETER DIKES, SEDIMENT BARRIERS, AND 07HER BMPS INTENDED TO 10. PIPE LENGTHS WHERE SHOWN ARE APPROXIMATE AND MAY CHANGE DUE TO
TRAP SEDIMENT ON -SITE SHALL BE CONSTRUCTED AS A FIRST STEP IN GR4DING. THESE BMPS SHALL BE FUNCTIONAL BEFORE LAND DISTURBING FIELD CONDITIONS.
F-0 ACTIVITES TAKE PLACE. EARTHEN STRUCTURES, SUCH AS DAMS, DIKES, AND DIVERSIONS SHALL BE SEEDED AND MULCHED ACCORDING TO AN
NG APPROIIED TIMETABLE 11. CONTRACTOR SHALL OBTAIN A COPY OF THE GEOTECHNICAL REPORT (WHERE
OF APPLICABLE) AND SHALL THOROUGHLY FAMILIARIZE HIMSELF WITH THE CONTENTS
10. ESC MNIMUM REQUIREMENT - CUT AND FILL SLOPES. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL THEREOF ALL SITE WORK SHALL BE PERFORMED IN STRICT COMPLIANCE WITH
MINIMIZE EROSION. IN ADDITION, SLOPES SHALL BE STABILIZED IN ACCORDANCE WITH ESC REQUIREMENT NO. 2. THE RECOMMENDATIONS OF THIS REPORT
0 11 �_ 11 . 1-1 ,
0 11 2 S STRIP - - 11. ESC MNIMUM REQUIREMENT - CONTROLLING OFF -SITE EROSION. PROPER17ES AND WATER WAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE 12. STRUCTURAL FILL MATERIAL AND PLACEMENT SHALL CONFORM TO THE
0- RECOMMENDA77ONS OF THE PROJECT GEOTECHNICAL REPORT.
0 PROTECTED FROM EROSION DUE TO INCREASES IN THE VOLUME, VELOCITY, AND PEAK FLOW RATE OF STORM WATER RUNOFF FROM THE PROJECT SITE.
10 AS LT DIW 12. ESC MOVIMUM REQUIREMENT - STABILIZ47ION OF TEMPOR4RY CONVEYANCE CHANNELS AND OUTLETS. ALL TEMPORARY ON -SITE CONVEYANCE CHANNELS 13. MANHOLES, CATCH BASINS, UTILITIES AND PAVEMENT SHAU BEAR ON MEDIUM
I c 5' STOCKPILE SHALL 9E DESIGNED, CONSTRUCTED AND STABILIZED TO PREVENT EROSION FROM THE EXPECTED VELOCITY OF FLOW FROM A TWO-YEAR, 24-HOUR DENSE TO VERY DENSE NATIVE SOIL OR COMPACTED STRUCTURAL FILL. F SOIL
R2�,,� AREA FREQUENCY STORM FOR THE DEVELOPED CONDITION STABILIZATION ADEQUATE TO PREVENT EROSION OF OUTLETS, ADJACENT STREAM BANKS, SLOPES IS DISTURBED, SOFT, LOOSE, WET OR IF ORGANIC h(ATER14L IS PRESENT AT
18 C� MOW f 6 �r AND DOWNSTREAM REACHES SHALL BE PROVIDED AT THE OUTLETS OF ALL CONVEYANCE SYSTEMS. SUBGR40E ELEVATION, REMOVE AND REPLACE WITH COMPACTED STRUCTURAL
7 1 F NO FILL PER GEOTECHNICAL REPORT.
n C YA 13. ESC MNIMUM REQUIREMENT - STORM DRAIN INLET PROTECTION. ALL STORM DRAIN INLETS MADE OPERABLE DURING CONSTRUCTION SHALL BE 14.- SEE SURVEY AND ARCHITECTURAL DRAWINGS FOR DIMENSIONS AND LOCA77ONS
9 9. PROTECTED SO THAT STORM WATER RUNOFF SHALL NOT ENTER THE CONVEYANCE SYSTEM W17HOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO
2? 4 0) REMOVE SEDIMENT. OF BUILDINGS, LANDSCAPED AREAS AND OTHER PROPOSED OR EXIS77NG SITE
0 FEATURES.
+
CKD 14. ESC REQUIREMENT - REMOVAL OF TEMPORARY BMPS. ALL TEMPORARY EROSION AND SEDIMENT CONTROL BMPS SHALL BE REMOVED WITHIN 30 DAYS
F
�y 2 AFTER FINAL SITE STABILIZATION IS ACHIEVED OR AFTER THE TEMPORARY BMPS ARE NO LONGER NEEDED. TRAPPED SEDIMENT SHALL BE REMOVED OR 15. SEE ARCHITECTURAL DRAWINGS FOR PERIMETER FOUNDATION DRAINS.
Topp. Lu STABILIZED ON SITE. DISTURBED SOIL AREAS RESULTING FROM REMOVAL SHALL BE PERMANENTLY STABILIZED. FOUNDA71ON DRAINS SHALL BE INDEPENDENT OF OTHER SITE DRAIN LINES AND
Oul 1 2 SHAH BE TIGHTLINED TO THE STORM DR41N SYSTEM WHERE INDICATED ON THE
00. 0 " - /I 1� 11 15. EROSIOV AND SEDIMENT CONTROL REQUIREMENT - DEWATERING CONSTRUCTION SITES. DEWATERING SYSTEMS SHALL DISCHARGE INTO A SEDIMENT TRAP PLANS.
CIO
z OR SEDIMENT POND.
12 c 16. ALL REQUIRED STORMWATER FACILffIES MUST BE CONSTRUCTED AND IN
(N.
c P LO 16. EROSIOV AND SEDIMENT CONTROL REQUIREMENT - CONTROL OF POLLUTANTS OTHER THAN SEDIMENT ON CONSTRUCTION SITES. ALL POLLUTANTS OTHER OPERA77ON PRIOR TO INSTALLATION OF ANY PAVEMENT UNLESS OTHERWISE
-!;Z- - APPROVED BY THE ENGINEER.
TOP: 305.00 THAN SEDIMENT THAT OCCUR ON SITE DURING CONSTRUCTION SHALL BE HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT CAUSE
PROPOSED BOT. 01.00 CONTAPINATION OF STORM WATER. 1Z ALL ROOF DRAINS, PERIMETER FOUNDATION DRAINS, CATCH BASINS AND OT14ER
Lu / /!U- I ��
cj HOME 1Z EROSIOV AND SEDIMENT CONTROL REQUIREMENT - FINANC14L LIABILITY. PERFORMANCE BONDING, OR OTHER APPROPRIATE FINANCIAL INSTRUMENTS, EXTERNAL DRoVNS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM,
SHALL SE REQUIRED FOR ALL PROJECTS TO ENSURE COMPLIANCE WITH THE APPROVED EROSION AND SEDIMENT CONTROL P N. ORD. 01 § I
a / / 1/ 19951. LA 3 3 UNLESS NOTED OTHERWISE.
��iQ2,dO
L6 10 1,4 18.', CONTRACTOR SHALL OBTAIN AND PAY FOR ALL PERMITS REQUIRED FOR
(Z-) / I P� "O'LF=20�.O
I�BSBL INSTALLATION OF AU SITE IMPROVEMENTS INDICATED ON THESE DRAWINGS.
22,8 FT. COWSTRUCTIOWSE-OUENCE THE 12 ELEMENTS OF TESC BMP 19. AS A MINIMUM REQUIREMENT, Al I DISTURBED AREAS ON AND OFF SITE SHALL
/ 2 10, 1. SCHEDULEA PRE -CONSTRUCTION MEETING WITH CITY ENGINEERING DIVISION AT ELEMENT #1 - MARK CLEARING LIMITS. BE RETURNED TO THE EQUIVALENT OF THEIR RECONSTRUCTION CONDITION IN
ROPOS BSBL 425-771-0220, EXT: 1326. LIMIT OF CONSTRUCTION ARE CLEARLY MARKED. ACCORDANCE WITH APPROPRIATE REQUIREMENTS AND STANDARDS
GARAGE 2. REVIEW ESC NOTES. ELEMENT #2 - ESTABLISH CONSTRUCTION ACCESS.
FF=,301. A STABILIZED CONSTRUCTION ENTRANCE IS SHOWN. 20. ALL DISTURBED SOIL AREAS SHALL BE SEEDED OR STABILIZED BY OTHER
Lc) 4 J. CALL FOR UTILITY LOCATES. ACCEPTABLE METHODS FOR THE PREVENTION OF ON-SI7E EROSION AFTER THE
PL�STIC 6ARRIER c
FENCE (TYP) MU ELEMENT #3 - CONTROL FLOW RATES: COMPLETION OF CONSTRUCTION. SEE EROSION CONTROL PLANS FOR SPECIFIC
X Z
Z>_ 4. INSTAU ESC MEASURES AND MAINTAIN DUST CONTROL. GR4DING AND EROSION CONTROL REQUIREMENTS
INFILTRATION TRENCH IS PROPOSED
32 5 5. HAVE EROSION CONTROL MEASURES INSPECTED BY CITY OF EDMONDS CITY ELEMENT J4 - INSTALL SEDIMENT CONTROLS. 21. THE CONTRACTOR SHALL KEEP OFF -SITE STREETS CLEAN AT ALL TIMES BY
X 12 SWEEPING. WASHING OF THESE STREETS WILL NOT BE ALLOWED WITHOUT PRIOR
ENGIIIEERNG INSPECTOR. (ALL TEMPORARY SEDIMENTATION AND EROSION CONTROL SILT FENCE, INLET PROTECTION AND MULCH ARE PROPOSED. APPROVAL.
__z MEASURE5' MUST BE IN PLACE AND INSPECTED PRIOR TO ANY CONSTRUCTION OR SITE
fz' �F
_qX 12 F CLEARING EROSION AND SEDIMENT CONTROL PRAC710ES ANDIOR DEVICES SHALL BE ELEMENT #5 - STABILIZE SOILS:
A_ 2 AZO SOIL STABILIZATION IS ACHIEVED BY MULCHING, PLASTIC COVERING AND 22. THIS PROJECT IS NOT A BALANCED EARTHWORK PROJECT. BOTH EXPORT AND
F 74q� 3V 0 MAINFAINED UNTIL PERMANENT VEGETATION IS ESTABLISHED). SEEDS. IMPORT OF SOIL AND ROCK MATERIALS ARE REQUIRED.
S 'The CRY Of Edmonds doft ")!Dt rtRVjFtVV apq 6. ROUGH CRADE SITE AS REQUIRED TO INSTALL DRAINAGE FEATURES. 23. SLOPE OF FINISHED GRADE SHALL BE CONSTANT BETWEEN FINISHED
8 lodue Po"Its for, or Inspi,,01 . mve ELEMENT #6 - PROTECT SLOPES. CONTOURS OR SPOT ELEVATIONS SHOWN.
App SLOPES ARE PROTECTED BY PLASTIC COVERING, MULCHING AND
of thOSO plans or Injqp5ep� roval 7. DEMOLISH EXISTING STRUCTURES.
F* ct'oval of the EXISTING VEGETATION.
c F work Incliddod in thesf� n0t constitute 8. CLEW, CRUB & ROUGH GWE REMAINDER OF SITE. REVEGETATE DISTURBED AREAS 24. FINISH GRADE SHALL SLOPE AWAY FROM BUILDING WALLS AT MINIMUM 57.
x City approval Of nx*ar! Of NOT SUBJECT TO ADDITIONAL SURFACE DISTURBANCE IMMEDIATELY AFTER ROUGH aEMENT J7- PROTECT DRAIN INLETS:
SLOPE FOR A MINIMUM DISTANCE OF 10 FEET.
.00" rookodoo 18 prohlbiteo ,:�t,tt, "Ij.. City of GRADING. (OTHER EXPOSED AREAS SHALL BE STA131LIZED PER EROSION CONTROL NO INLET PROTECTIONS ARE PROPOSED FOR THE STORM DRAINS.
/ - - - - Edmc)hda Undo TES 25. CONTRACTOR SHALL BE RESPONSIBLE FOR AND SHALL INSTALL AND MAINTAIN
N 89*16'18" W 158,52' r cerj&Ij,. mordill
"I" ""Ituations Pet, ect), ,s * "cOs and In ELEMENTJ8 - STABILIZE CHANNELS AND OUTLETS. SHORING AND BRACING AS NECESSARY TO PROTECT WORKERS, EXIS77NG
.40.020.0 BUILDINGS, STREETS, WALKWAYS, UTILITIES AND OTHER EXISTING AND PROPOSED
9. INSTALL UTILITIES AND OTHER SITE IMPROVEMENTS. OUTLEr PROTECTIONS ARE NOT PROPOSED. IMPROVEMENTS AND EXCAVATIONS AGAINST LOSS OF GROUND OR CAVING
ALL� SURRFAC!'%; TO ELEMENT J9 - CONTROL POLLUTANTS: EMBANKMENTS. CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR REMOVAL OF
BE COVERED INITH&I 2 M3 10. STABILIZE AND REVEGEFATE EN77RE SITE. ALL VEHICLES, EQUIPMENT AND PETROLEUM PRODUCT SHORING AND BRACING, AS REQUIRED.
NOTES:
1. REPLACEMENT IS REQUIRED OF ANY PLAT IMPROVEMENTS THAT ARE DAMAGED
DURING CONSTRUCTION.
2. SEE SITE PLAN AND DRAINAGEIUTILITY PLANS FOR MORE INFORMATION.
J. ALL DISTURBED SOILS WILL BE COMPOST AMENDED.
FILTER FABRIC MATERIAL IN
CONTINUOS ROLLS. USE STAPLES
FILTER FABRIC
OR WIRE RINGS TO ATTACH
SECURED TO 2 '. X 2"
FABRIC TO WIRE.
14 GA. WIRE FABRIC
EQUAL
M
2" X 2" WOOD OR CD
MESH SUPPORT FE��..E
EQUIVALENT 11
cu
VW,1RE
1 1 T SUPPORT FILTER FA IC.
c 1 :1
I
01
.1 1 15
F
'-C- - - - - - - - - - -
BURY BOTTOM OF FILTER
[-I
I MATERIAL 8' TO 12'
F, ri�
L 6' MAX,
L u
8' 64
1
2' X 2' WOOD POSTS OR
PLACE 3/4"-1.5" WASHED GRAVEL IN
EQUIVALENT
THE TRENCH AND ON BOTH SIDES OF
FILTER FABRIC FENCE ON THE SURFACE.
CITY INSPECTION REQUIRED ON ALL
CONTRACTOR/DEVELOPER SHALL MAINTAIN AND REPLACE EROSION CONTROL METHODS BEFORE
STRAW BALES TO INSURE PROPER EROSION CONTROL.
OTHER WORK CAN BEGIN.
FIL TER FABPJC FENCE F& M TION S YS TEMS
NOT TO SCALE STO DTL. El. I
'101MI E R/C 0,�.,! T pj,�
.Trj,g IS r
cr
tit
11 - ESTA3L1Sd LANDSCAPING AND PERMANENT VEGETATION. EROSION CONTROL FEATURES
SIORAGEIMPERSING AREAS WILL BE INSPECTED REGULARLY TO
DETECT ANY LEAKS OF SPILLS, AND TO IDEN77FY MAINTENANCE NEEDS
26. CONTRACTOR SHALL OBTAIN APPROVAL FROM THE CITY AND FOLLOW CITY
CAN BE REMOVED UPON FINAL SITE STABILIZATION AND APPROVAL BY CITY INSPECTOR.
AND PREVENT LEAKS OF SPILLS.
PROCEDURES FOR ALL WATER SERVICE INTERRUPTIONS, HYDRANT SHUTOFFS,
STREEF CLOSURES OR OTHER ACCESS RESTRICTIONS. CONTRACTOR SHALL NOT
ELEMENT i10 - CONTROL DEWATERING.
RELOCATE OR ELIMINATE ANY HYDRANTS WITHOUT FIRST OBTAINING WRITTEN
/GRATE
THESE WILL BE NO DEW47ERING AS PART OF THIS CONSTRUCTION
APPROVAL FROM THE FIRE MARSHAL.
PROJECT.
27. COORDINATE AND ARR4NGE FOR ALL UTILITY CONNECTIONS, UTILITY RELOCATIONS
ELEMENT ill - MAINTAIN BMPs.-
ANDIOR SERVICE INTERRUPTIONS WITH THE AFFECTED OWNERS AND
ALL TESC BMPs SHALL BE MAINTAINED AND REPAIRED AS NEEDED.
APPROPRIATE UTILITY COMPANIES. CONNECTIONS TO EXIS77NG UTILITIES SHALL
ENGINEERING DIVISION
CB
BE MADE ONLY W17H ADVANCE WR17TEN APPROVAL OF THE AUTHORITIES
GOVERNING SAID UTILITIES.
APP E?
aEMENT J12 - MANAGE THE PROJECT.
S NOTED
Date,-N z,4
THIS COULD BE ACHIEVED BY MINIMIZING THE EXTENT AND DURATION
OF THE AREA EXPOSED AND BY EMPHASIZING EROSION CONTROL THEN
SEDIMENT CONTROL.
28. EXIS77NG U77LITY LINES IN SERVICE WHICH ARE DAMAGED TO CONCSTRUCTION
WORK SHALL BE REPLACED AT CONTR4CTOR'S EXPENSE AND INSPECTED AND
25' MIN. RADIUS
IN101 QUARRY SPALLS
2-4" MIN DIA
8"-12" MIN. DEPTV
A/'\
CONTRACTOR SHALL MAINTAIN TEMPORARY PROVIDE FULL WIDTH OF INGRESS/
CONSTRUCTION ENTRANCE DURING THE EGRESS AREA
CONSTRUCTION PERIOD,
CITY INSPECTION REQUIRED ON ALL EROSION CONTRO]
MEASURES BEFORE WORK CAN BEGIN.
STABILL7ED CONSTRUCTION ENTRANCE
NOT TO SCALE STD DTL. El.2
�A'
FILTER SOCK WITH
OVER FLOW HOLES
4
4 ASIN
A 4.*
A
':A
'A -
STRAW BALES MAY BE USED IN
CERTAIN CIRCUMSTANCES (SEE
DETAIL E111). THIS APPLICATION
SHALL BE MAINTAINED AT ALL
TIMES DURING CONSTRICTION
PERIOD,
CITY INSPECTION REQUIRED ON ALL EROSION CONTROL
MEASURES BEFORE WORK CAN BEGIN,
1EAVORAR Y SEDIMENT TRAP FOR CA TCH BASEVS
NOT TO SCALE STD DTL. E1.3
ACCEPTED BY CITY OF EDMONDS AND OWNERS REPRESENTA77VE PRIOR To
BACKFILLING.
29. NEW UTILITY LOCATIONS ARE GENERMLLY SHOWN BY DIMENSION, WHERE NO
DIMENSIONS ARE INDICATED, LOCATIONS MAY BE SCALED FROM DR4WINGS.
FIELD ADJUSTMENTS SHALL BE APPROVED BY OWNER'S REPRESENTATIVE AND
AND CITY.
30. WHERE NEW PIPE CLEARS AN EXISTING OR NEW UTILITY BY 6" OR LESS, PLACE
POLYETHYLENE PLASTIC FOAM AS A CUSHION BETWEEN THE UTILITIES.
31. SEE MECHANICAL DR4WINGS (WHERE APPLICABLE) FOR CONTINUATION OF SITE
UTILITIES WITHIN THE BUILDING.
32. SEE ELECTRICAL DRAWINGS (WHERE APPLICABLE) FOR EXTERIOR ELECTRICAL
WORK.
UTILfl7C0jVFL1CTjV0TE.- 33. SEE LANDSCAPE DRAWINGS (WHERE APPLICABLE) FOR SITE IRRIGA
SYSTEM.
CA UTIOW
THE CONTR4CTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION,
DIMENSION, AND DEPTH OF ALL EXISTING U77LITIES WHETHER SHOWN ON
THESE PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE
HORIZONTAL AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS AND RECI
THEN SHALL INCLUDE CALLING UTILITY LOCATE @ 1-800-424-5555 R.
rU BN
lq�TOP OF MONUMENT IN CASE IN THE CENTERLINE
OF 86TH PL WEST EUVA770M = 272.35'
K'h TBM
19VTOP OF SSCO RIM IN CUL-DE-SAC
EUVA17ON = 283.94'
DATUM:
NAVD 88
GWING 0 UA ffITIES. -
CUT: 400 Cu.Yds.
FILL: 550 Cu.Yds.
(GRADING QUANTITIES WERE CALCULATED USING THE LAND
DEVELOPMENT DESKTOP COMPOSITE METHOD. CALCULA77ONS DO NOT
ACCOUNT FOR SOIL SWELLING AND SHRINKAGE.)
MET-
1. EXCESS CUT MAY BE SPREAD ON SITE.
2. ANY SOIL REMOVED FROM THE SITE MUST BE HAULED TO A CITY
APPROVED SITE.
T E. S.C. LEGEVD
SF - sF - SILT FENCE
ENGINEER ..,
INSIGHT ENGINEERING COMPANY
PO BOX 1478
EVERETT, W4 98206
CONIACT: BRIAN R. KALAB, P.E
PH: (425) 303-9363
FAX: (425) J03-9362
A PPLIC, ff. T / 0 WNER
ECHELBARGER INVESTMENTS, UC
4001 1987H ST. SW. SUITE 2
LYNNWOOD, WA 98036
PH. (425) 673-1100
LEGAL DESCRIMTIOW
TEMPORARY CONSTRUCTION
ENTRANCE
CATCH BASIN INSERT
PROTECTION (TYP.)
CLEARING LIMITS
MULCH &IOR STRAW MATTING
PLASTIC COVER
FLOW ARROW (EX.)
SURVEYOR
PACIFIC COAST SURVEn INC.
PO BOX 13619
MILL CREEK, WA 98082
CONTACT. DARREN J. RIDDLE
PH. (125) 508-4951
FAX. (425) 357-3577
PARCEL A -
LOT 4. KWIDBY WEW, ACCORDING TO THE PLAT THEREOF, RECORDED IN
VOLUME 22 OF PLATS, PACE St. RECORDS OF SNOHOMISH COUNTY,
WASHINGTON.
FOR:
CITY OF EDMONDS
APPR 0 VED FOR CONS YR UCTION
, PUBLIC WORKS DDZECTOR DATE
I REV. NO. I DESCRIPTION I INITIALS I DA TE I
INSIGHT ENGINEERING CO.
P.O. BOX - 1478
EVERETT, WA 98206
(425) 303-9363 (425) 303-9362 FAX
an 92 INFO@INSIGHTENGINEERING.NET
%&DRESS.- 18122 86TH PL. W.
EDMONDS, WA 98026
rL/)nVLIIVV ALL Ur 1nr_ CAOIJIVU U111_111ta At LMA11U1V,) U1 /Vt-W U111.11T WA 8 1 It T.27N., R.4E., W.M
CROSSINGS TO PHYSICALLY VERIFY WHETHER OR NOT CONFLICTS EXIST. JUL 200 NE 114, NW 114, SEC-18,
LOCATIONS OF SAID UTILITIES AS SHOWN ON THESE PLANS ARE BASED HELBAR GER L 0 T 4
UPON THE UNVERIFIED PUBLIC INFORMATION AND ARE SUBJECT TO EC
VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR SHALL _F
CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL OWG FILENAME DESIGNED BY. DATE. SCALE: OB NO.:
PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION. 3649 0,
GIS TV, 130598.DING JRC 01-29-20131 1"=2 13-0598
CALL TWO (2) BUSINESS DAYS -tQVAL SHEET'
ci
BEFORE YOU DIG 1-800-424-5555 GRADVVG AND TESC PLAN Of
I 1 2
EX. FH ,,,,�
CB RIM 264.66'
1E 8" (W) 261.56'
1E 4" (N) 262.36
1E 4" (E) 262.26'
1E 4" (S�1) 262.16'
IE=10" (S) 261.J9'
PLAT
OF
WHIDB Y
VIEW
VOL. 22)
PG. 81
16LF 6"
PVC @ 2Y.
2
MIN SIDE
SEWER
CB#J
RIM=279.8
IE=276.8
F,
__j
CB#2A
RIM=284.0
IE=28 1. 0, 10"0
IE=281.5, 4 0
TAW
6" C.O. #1
SSCO RIM 28J.94'
W112" CAST
INV. UNOBTAINABLE
IRON LOCKING
LID WITH Y2"
PLUG IS STUCK
17L 10"0 -
HEX BOLTS.
Sq @ 26.4 1�,
RIM: 28 7.5
1E. 281.2J, 6" 96LF,
10"0 SO @ 12.71 0 F
IE. 281.5, 4"C13#2 0. 4' (S) OF
TYPE 2 �;8
110 CORNER >
CONTROL
STRUCTURE
RIM=292.00 (SEE DETAIL)
IE=289.00
56LF, 24"0 DETENTION PI PE
PROPOSED
V-7
\cl�
'�t
CD
\y'
OLF, 10 "0 SO @ 16.937.
30'
30'
00
C)
A ME
hkftoll 4drt4d.
@ 0. 5% (SEE PIPE SPECS.) PHONE, POWER
ND CABLE H SE
Cq#1
TYPE 2-48"0
RIM=293.00
IE=289.28, 24"0
R ER
IE=290.78, 670
6" PVC
ROOF DRI�W
2P S STRIP 4t
10' A L!�DIW
10
c
R20'
8
7 F
c
R
Lu� 228 F 1. 4 _.' *)v11_-zP
ROPOS
GARAGE,
FF=- 3 M.
Ln PL�STIC �ARRIER 4
c
FENCE (TYP) z __1
1132
X
12
A- 2
F
CN
c M-1/ x X X
A - �--- A!��� -
N 89'16'18 W 158.52
unwy COmLiffiVO TE.
CA UTIOW -
THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION,
DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WHETHER SHOWN ON
THESE PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE
HORIZONTAL AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS AND
THEN SHALL INCLUDE CALLING UTILITY LOCATE @ 1-800-424-5555
POTHOLING ALL OF THE EXISTING UTILITIES AT LOCATIONS OF NEW U77LITY
CROSSINGS TO PHYSICALLY VERIFY WHETHER OR NOT CONFLICTS EXIST
LOCATIONS OF SAID UTILITIES AS SHOWN ON THESE PLANS ARE BASED
UPON THE UNVERIFIED PUBLIC INFORMATION AND ARE SUBJECT TO
VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR SHALL
CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL
PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION.
CALL IWO (2) B URVESS DAYS
BEFORE YOUDIG 1-800-424-5555
HOTICL
ALL "D SURFA0-!?S 7-0
UPC)'�L
8,E- COVER'E:f) �Vffiflll ;2 DAY3
12-----
ASPHAL
EX. ftko
58LF 6
VC SIDE
0
me
T fROPOSED 'Lr
WA TER
CB 2A
RIM=287.45 -
IE=284.45, 10 70-
IE=284.95, 4 "0
P'
r
C1 3
R M.
NO CAP 0.
nF rnRNEI
4" FOOTING
DRAIN (TYP)
PROPOSED
1Y4" POLY
WA7ER LINE
Lw
to
PROPOSED
-'--104LF 4" PVC
-SIDE SEWER
Q:)
V, :PROPOSED
GAS LINE
\,__4" C.O.J3
RIM=302
IE=287
XA_
I A
Ar
F F 0
SE
28
F
F
xL -- - - - - - - - - - - - --
FC10MG DRAM �JoT
TO PIS TED INTO
DETE-14TIC;pI �yosgFkj
NE 114, NW 114, SEC. 18, T 2 7N. � R. 4E. " W. M.
SNOHOIWSH COUNTY, WASHINGTON
SCALE: 1" = 20'
Em mom Immmimmm
FESEA umm
10 0 20 40
IWER VIO US S URFA CE
DRIVEWAY
& WALKWAY
ROOF
OUTLINE
MAX
IMP. AREA
1,784 SF
3,201 SF1
4,984 SF I
um aAllgrowd T Itm
TylaturIOU (Or fliftn(ltm
A C-SP- Steel Pipe (rype 2
NIT (STA.35orliette�)
Irvels AASTOVexignaflow ft.l.74 md M.36).
CPEFI, 03mlipted pulyMylem Pitv (sumill
ANRP - Alumiump Spiml RibiDd. Pilm, (16 gauge or
iniqu'r wai� i'r f��l �'p �Ijia)
beftcr.)
HPP- Ribbed Voly�inyldlorida P!
CO - Cnrrue.ated Aluminum Fipe j) 6 gamge tit
be-t(on,
DIP - Ductile Imm. IqN Whiss 50 er bwcr)
P�P- PlaincullLretv pipe
R(:P- Rainforcorl ("narctfa Pip
GR4TED LOCKING
FINISHED LID RIM EL=292.00
GR4DE r
0.5" BELOW HIGH POINT, -
INSIDE DETENTION PIPE 6" MIN MEASURED FROM
i�i TOP OF THE
CONCRETE BOX OR RISER
2410 SD
IE=289.00
TO APPROVED
LOCATION POINT
IE=289.00
SAME �8MIN. 1000 SD @ 13.677.
ELEVA71ON
DIN,
I
ORFICE 0. 75" DIA
OR 314-
COMROL CATCHBASINDETAM
NOTTO SCALE
.NOTES:
1. APPLICANT SHALL REPAIRIREPLACE ALL DAMAGE TO
UTILITIES OR FRONTAGE IMPROVEMENTS IN CITY
RIGHT-OF-WAY PER CITY STANDARDS THAT IS CAUSED
OR OCCURS DURING THE PERMITTED PROJECT.
2. 3EE SITE PLAN AND DR41NAGEIU77UTY PLANS FOR MORE
WFORMATION.
3. ALL DISTURBED SOILS WILL BE COMPOST AMENDED.
4. THE DRIVEWAY SLOPE SHALL BE A MAXIMUM OF 14%.
5. PROPOSED SEWER AND WATER CONNECTION SHALL BE
AT LEAST 10 FT. SEPARATION.
LINE
TYPE-
AREA (SQUARE FEET)
1
NON -REGULATED
REGULATED
EXEMPT
2
REPLACED
0
0
3
NEW (POST 1977)
+
4,984
4
TOTAL REGULATED IMPERVIOUS AREA
M(TIGATION REQUIRED IF IN EXCESS OF 2000 SF
4,984
5
TOTAL AREA M177GATED BY EXISTING STORMWATER MANAGEMENT SYSTEM(S)
0
6
REGULATED AREA NOT YET MITIGATED
0
7
AREA PROPOSED TO BE M171GATED BY LOW IMPACT DEVELOPMENT TECHNIQUES
0
8
AREA PROPOSED TO BE MITIGATED THROUGH CONVENTIONAL SWM TECHNIQUES
4,984
A'CCEPTABLE TIGHTLNVE
MATEMAL
SDR 35
SCH 40
N -12
�1:810 !4ANC M,
ENGINEER G DIVISION
VE AS NOTED
Date-'T
-Til! QL3
1,EGEND
2 INCH TO 4 INCH QUARRY SPALLS FREE OF ORGANIC MTH LESS THAN
5 PERCENT FINES (SILT AND CLAY PAR77CLES PASSING THE NO. 200
MESH SIEVE)
UNDIS77JRBED FIRM NATIVE SOIL
DESIGNATED SIZE OF ROCK REQUIRED le. 4 MAN
MINIMUM 4 INCH DIAMETER UNDERDRAIN PIPE CONFORMING TO SECTION
7-01 OF THE WSDOTIAPWA SPECIFICATIONS. SUCH PIPE SHALL BE BEDDEC
ON AND SURROUNDED BY 2 INCH TO 4 INCH QUARRY SPALLS AS DESCRIB
ABOVE
1. MAXIMUM INCLINATION OF THE SLOPES ABOVE AND BEHIND ROCKERIES SHOULD
BE 2:1(HORIZONTAL; VERTICAL).
2. MINIMUM THICKNESS OF DRAIN ROCK LAYER B=6 INCHES.
3. MINIMUM EMBEDMENT D=12 INCHES UNDISTURBED NATIVE SOIL OR COMPACTED FILL
PLACED IN ACCORDANCE WITH GEOTECHNICAL REPGRT RECOMMENDATIONS.
4. ROCKERIES GREATER THAN 8 FEET IN HEIGHT TO BE INSTALLED UNDER PERIODIC
OR FULL TIME OBSERVATION OF THE GEOTECHNICAL ENGINEER.
5. ROCK SHALL BE PLACED TO GRADUALLY DECREASE IN SIZE WITH INCREASING WALL
HEIGHT IN ACCORDANCE WITH THE GEOTECHNICAL ENGINEER'S RECOMMENDATIONS.
6. THE LONG DIMENSION OF THE ROCKS SHALL EXTEND PERPENDICULAR TO THE ROCK
FACE TO PROVIDE MAXIMUM STABILITY.
7 ROCKS SHALL BE PLACED TO AVOID CONTINUOUS �OINT PLANES IN VERTICAL OR
SIZE
APRROX WT - LBS.
APPROX. DIA.
1 MAN
50-200
12"-18"
2 MAN
200-700
18"-28"
3 MAN
700-2000
28'�-36"
4 MAN
2000-4000
36'�-48"
5 MAN
4000-6000
48'�-54"
6 MAN
6000-8000
54"-60"
L/i ILMML UIMCU HLAV.D. Clifn nVUA -)nMLL Or -An VIV I VVU Ury MUM- KUuKa LILLUW 11,
WITH GOOD FLAT -TO -FLAT CONTACT.
ROCKERYDETAIL
NO SCALE
NOTES:
1. REPLACEMENT IS REQUIRED OF ANY PLAT IMPROVEMEVTS THAT ARE DAMAGED DURING CONSTRUCTION.
2. ALL NEW UTILITIES MUST GO UNDERGROUD.
cc
c
t1r.
00
.
LO
0
(c; 06
0 00)
(y)
(.0
(3) 00
N
04
11+00
DRNEWAYPR0fff,E
SCALE, 1"=-20'
300
290
280
)0
N
10+00