Mione SFR-Engineering Comments 1-bld20171839.pdf
CITY OF EDMONDS
PLAN REVIEW COMMENTS
ENGINEERING DIVISION
(425) 771-0220
City Website: www.edmondswa.gov
DATE:February 13, 2018
TO:Jacob Strobl
Strobl Design
jacob@strobldesign.com
FROM:Mitch Boyd, Stantec Consulting Services
Mitch.Boyd@edmondswa.gov
RE:Application #: BLD20171839
Project: Mione-Single Family Residence–Lot B
Project Address: 19015 Olympic View Drive
During review of the above noted application, it was found that the following information,
corrections, or clarifications are needed. Please submit revised plans/documents including a written
response to each item below.
nd
Resubmittals can be made at the Development Services Department on the 2floor of City Hall.
Permit Center hours are M, T, Th & F from 8am-4:30pmand on Wednesdays from 8:30am-noon.
City of Edmonds handouts, standard details, application and other forms, and development code
may be referenced on the City website: www.edmondswa.govunder Services/Permits and
Development.
GENERAL
1)SubmitROW Permit Applicationform
2)Submit Side Sewer Permit Applicationform
3)A Stormwater Covenant is required to be recorded against the property based on the
proposed stormwater facilities for the project. Please complete the covenant, including
notarization and any required exhibits and submit to the city. The document must be
complete, but will not be recorded prior to permit issuance. Prior to construction final
location of facilities are to be verified (by field inspection and asbuilt) and then the covenant
will be recorded.
4)Please show all private easement information within the plan sets. Note AFN’s for existing
easements and/or recording documents for proposed easements as applicable.
5)Please note: additional comments not included in this reviewmay be produced after
reviewing the next submittal.
TESC
6)Orange protective barrierfencing shall be placed around areas proposed for low impact
development techniques such as infiltration systemsto protect the area from compaction.It
appears the proposed construction entrance will extend over two proposed infiltration
trenches. Please indicate how these soils will be protected from compaction.
7)Add a note that the stockpile is to be covered within 24 hours
8)Please add a note to the plans that all disturbed soils will be compost amendedper BMP
T5.13.
DRAINAGE AND GRADING PLAN
9)Consistent with Edmonds Community Development Code 18.80.060, driveway slopes shall
not exceed 14% slope. Please indicate this requirement on the plans.Double check
driveway slopes to ensure they donot exceed 14% andlabel slope on theplans.
10)Label driveway surface material. The driveway approach shall be asphalt within the right-
of-way and can transition to concrete on private property.
11)With the steep driveway grading, it will be difficult to capture all stormwater in the area
drain near the property line. Please provide an asphalt berm or a trench drain nearthe
property line (on private property) to more effectively capture stormwater.
12)Per the retaining wall tops/toes, the southwest edge of the parking area in the driveway
should be flat. However, a 5% slope is shown. Please clarify the grading in this area.
13)Near the southeast corner of the parking area, there is a gap inthe retaining walls. Please
clarify grading in this area.
14)Provide proposed contours on the east side of the retaining walls.
15)Please provide spot elevations at all stairwell landings.
16)Please show the floor elevations for the proposed residence.
17)Utility patches shall be combined and full width or half width overlay will be required
depending ontheextent of disturbance. Where utility patches fall entirely within one travel
lane, the overlay shall extend to the centerline of roadway. Where utility patches extend into
both travel lanes then a full width overlay is required.Please indicate this requirement on the
plan.
18)The southwest infiltration trench is too close to the south property line. Please provide 5’ of
horizontal distance between the edge of the cleanout and the property line.
19)Per the geotechnical engineering report, building footing drains are recommended. If footing
drains are proposed, please provide the footing drain invert elevation and discharge location.
Show where the footing drains connect into the stormwater system. Include all relevant
design information.
20)Are retaining wall footing drains to be installed? If so, please show how the retaining wall
footing drains connect to the proposed stormwater system. Provide all relevant design
information.
21)Please note that a minimum of 2’ of cover is required for all pipes located under driveable
surfaces and 1’ of cover under landscape areas.
22)Please add a note to the plans that if the rim to invert elevation exceeds 5-feet thena type II
manhole will be required.
UTILITY PLAN
23)All utilities should be shown from the city main lineto the structure. Currently the water
service and sewer service laterals to the main are not shown.
24)As indicated by the Fire Department, a fire sprinkler system is required for this property.
Please revise plans to include the following:
a.Please add a note that a 1” meter is to be installed
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b.Show the water meter located in the right-of-way, such that the back of the meter is
on the property line. The water meter shall not be located within the driveway.
c.Please show a 1-1/2” water service line to be installed from the back of the meter to
the house (as required for a combination fire and domestic service).
d.Please label the pipe material and note tracer wire to be installed on the water service
line.
25)Show that there is a minimum of 3’ of horizontal separation between the waterserviceand
dry utilities (i.e. power,phone, gas, cable, etc.). Currently theproposedgas is too close to
the proposed water service line.
26)Add a note to the plans indicating where the landscape irrigation backflow assembly will be
located if one is proposed.
27)Show a 6” sewer cleanout at the property line. Please add a note that the 6” cleanout at the
property line shallhave a 12” cast iron lamphole cover with ½” hexbolts.This is required
for both the proposed residence and the existing residence with the relocated side sewer.
28)Providesewerinvert elevations at the main, the cleanout at the property line and at the house
so that a minimum 2% slopeand minimum 2’ pipe coveragecan be verified. If the slope of
the pipe exceeds 20% the pipe will need to be anchored.
29)The existing sewer lateralis shownto be reused and as such, the City’s Public Works
Department will need to TV the lateral to determine if it is acceptable to re-use. Revise the
note on the plans to includethe following: Contact Edmonds Public Works Sewer Division,
425-771-0235, to schedule TV inspection.
30)Please adda note to the plans that all final restoration within the right-of-way shall be
completed by the contractor not the City of Edmonds.
SOIL MANAGEMENT PLAN
31)Please add a note to the plans that all disturbed soils will be compost amended per BMP
T5.13.
STORMWATER ENGINEER REVIEW
Refer to attached plan review comments by City Stormwater Engineer, ZacharyRichardson. Please
contactZack directly at 425-771-0220 or by email atZachary.richardson@edmondswa.govwith
any specific questions you may have regarding hiscomments.
Page 3of 3
After recording return to:
City Clerk
City of Edmonds
121 Fifth Avenue North
Edmonds, WA 98020
Document Title(s)
Declaration of Covenant -Private Stormwater Facility
Reference Number(s) of Related Documents
City of Edmonds (permit number)
Grantor(s)(Last, First and Middle Initial)
Grantee(s)(Last, First and Middle Initial)
City of Edmonds
Legal Description(abbreviated form; i.e., lot, plat or section,township, range, quarter/quarter)
Assessor’s Property Tax Parcel/Account Number at the Time of Recording:
The Auditor/Recorder will rely on the information provided on this form. The staff will not read the document to verify the accuracy or
completeness of the indexing information provided herein.
DECLARATION OF COVENANT
Private Stormwater Facility
WHEREAS, the undersigned Declarant(s)haveinstalled one or morestormwater
facilities under Edmonds Community Development Code Chapter 18.30 known as a “low impact
development best management practices(LID BMP)”as selected below:
Permeable PavementInfiltration Trench
Rain Garden / Bioretention CellGravelless Chamber
Other
Drywell
WHEREAS, the City of Edmonds has allowed installation of the LID BMP,subject to the
execution and recording of this Declaration of Covenant; NOW, THEREFORE,
THE UNDERSIGNED DECLARANT(S), being the ownersof the real property (“the
Property”) located at the following address:
in the City of
Edmonds, Washington, and legally described on Exhibit Aattached hereto and incorporated
herein by this reference as if set forth in full, hereby covenants and agrees, on behalf of
himself/herself/themselves/itself and his/her/their/its successors and assigns, as follows:
1.Declarant(s)warrant that he/she/theyarethe ownersof the property described on Exhibit
A and havethe authority to impose this covenant on the property and bind all future owners,
successors, and assigns of the Declarant(s). The Declarant(s), future owners, successors,
and assigns of the Declarant(s)shall be referred to collectively as “Owners.”
2.The Owners of the Property agree that the Property contains one or more stormwater
managementfacilitiesreferred to asan"LID BMP," which was installed to mitigate the
stormwater quantity and quality impacts of some or all of the impervious or non-native
pervious surfaces on the property. “Low impact development” means development
conducted in a way that seeks to minimize or completely prevent alterations to the natural
hydrology of the site. Low impact development includes site planning and design to reduce
alterations of natural soil and vegetation cover, minimize impervious surfaces, and specific
practices that help to replicate natural hydrology such as permeable pavements, green
roofs, soil amendments, bioretention systems, and dispersion of runoff.
3.The Owners shall maintain the size, placement, and design of the LID BMPas depicted on
the approvedsite plan, Exhibit B,and design details shall be maintained and may not be
changed without written approval either from the Engineering Division of the City of
Edmonds or through a future development permit from the City of Edmonds. Chemical
fertilizers and pesticides shall not be usedwhere LID BMP is located.All costs of
maintenance and repair shall be the sole responsibility of the Owners.
4.The Owners shall inspect LID BMPsannually for physical defects. After major storm
events,the system shall also be checked to ensure that the overflow system is working
properly. The Owners also shall maintain all LID BMPsso theyfunctionas designed on a
year-round basis.
5.The City of Edmonds is hereby granted by the Owners the right, but not the obligation, to
enter upon the Property described on Exhibit A at all reasonable times for the purpose of
inspecting the private stormwater LID BMPfacility. If, as the result of any such inspection,
the City of Edmonds determines that the LID BMPis in disrepair, requires maintenance or
repair, or is otherwise not functioning as provided in the BMP site plan, the City Engineer
or his designee shall have the right, but not the obligation, to order the Owners to maintain
or repair the same.
6.If the City of Edmonds determines that the LID BMPrequires maintenance or repair
pursuant to Section 5, the City of Edmonds shall provide notice to the Owners of the
deadline within which such maintenance or repair must be completed. Said notice may
further advise that, should the violator fail to perform required maintenanceor make repairs
within the established deadline, the work may be done by the city or a contractor designated
by the City Engineer and the expensethereof shall be charged to the Owners. The City’s
officers, agents, employees, and contractors shall have the right, which is hereby granted
by the Owners, to enter upon the Property described on Exhibit A in order to perform such
work. The Owners shall bear the cost of all work performed.
7.The Owners shall indemnify, defend and hold harmless the City of Edmonds, its officers,
officials, employees and agents from any and all claims, demands, suits, penalties, losses,
damages, judgments, attorneys’ fees and/or costs of any kind whatsoever, arising out of or
in any way resulting from the approval of the LID BMP(s), the installation and presence
of the LID BMP(s), and the acts or omissions of the Owners, their officers, employees,
contractors, and agentsrelating to the construction, operation and maintenance of the LID
BMP(s)on the Property, except for the City’s intentional and willful tortious acts, and
waive and release the City of Edmonds from any and all claims for damages and injunctive
relief which the Owners may themselves have now or in the future, by reason of the
construction, maintenance and operation of said LID BMP(s).
8.This covenant shall run with the land and be binding upon the Owners.
Dated:.
DECLARANT(S):APPROVED:
CITY OF EDMONDS
(Signature)(Signature)
(Print Name)(Print Name)
(Signature)(Title)
(Print Name)
State of Washington)
)ss.
County of Snohomish)
On this day personally appeared before me ___________________________
{Declarant(s)}to me known to be the individual, or individuals described in and who executed
the within and foregoing instrument, and acknowledged that he/she/they signed the same as
his/her/their free and voluntary act and deed, for the uses and purposes therein mentioned.
SUBSCRIBED AND SWORN before me this _____ day of _____________, 201_.
(Signature)
(Name legibly printed or stamped)
Notary Public in and for the State of Washington.
Residing at:__________
My commission expires .
Exhibit A
Legal description
Exhibit B
Site Plan