ENGINEERING1_BLD20180414_19816 86 PL W.pdfof EDo CITY OF EDMONDS
PLAN REVIEW COMMENTS
., ENGINEERING DIVISION
s9° (425) 771-0220
City Website: www.edmondswa.gov
DATE: May 18, 2018
TO: Almark Corporation
Almark—Corporation@frontier.com
FROM: Mitch Boyd, Stantec Consulting Services
Mitch.Boyd@edmondswa.gov
RE: Application 4: BLD20180413
Project: Almark Lot 3 - Single Family Residence
Project Address: 19816 861h Pl W
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.
Resubmittals can be made at the Development Services Department on the 2nd floor of City Hall.
Permit Center hours are M, T, Th & F from 8am-4:30pm and 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.gov under Services/Permits and
Development.
GENERAL
1) Submit ROW Permit Application form
2) 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. Ensure the stormwater
covenant meets Snohomish County Record Drawing requirements. 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.
3) Show all private easement information within the plan sets. Note AFN's for existing
easements and/or recording documents for proposed easements as applicable.
4) Utility patches shall be combined and full width or half width overlay will be required
depending on the extent 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.
TESC
5) Please show filter socks to be added to any catch basins downstream from the construction
site.
WATER
6) 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
b. 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).
c. Please label the pipe material and note tracer wire to be installed on the water service
line.
7) Add a note to the plans indicating where the landscape irrigation backflow assembly will be
located (if one is proposed).
8) Please add a note to the plans that all final restoration shall be completed by the contractor
not the City of Edmonds.
SEWER
9) If a new sewer lateral is proposed and the connection will be core drilled, show the
connection at the sewer main per City standards and with a Romac Inserta-tee. If the sewer
connection will be cut in, please show a wye to be installed.
STORM
10) The invert elevations of the roof drains near point F and Point E need to be at or above the
overflow elevation for the infiltration system. No stormwater shall be stored in the roof drain
system surrounding the proposed residence.
11) Will the rockery have a separate footing drain? If so, show where the retaining wall drainage
will discharge to.
STORMWATER ENGINEER REVIEW
Refer to attached plan review comments by City Stormwater Engineer, Zachary Richardson.
Please contact Zack directly at 425-771-0220 or by email at
zachary.richardson(a edmondswa.gov with any specific questions you may have regarding his
comments.
The following language is to be included with all permit reviews where the Supreme Court ruling
on stormwater vesting comes into play.
The Supreme Court of Washington issued a ruling on December 29, 2016 regarding the "vesting" of
Stormwater regulations. This ruling upholds the Department of Ecology's regulations for application and
construction dates for projects with Stormwater requirements.
The City of Edmonds has received clarification from the Department of Ecology on what this ruling means for
development applications submitted prior to local stormwater codes being adopted. The stormwater codes in
effect at the time the application for a plat/subdivision is submitted apply to all subsequent building permits if
stormwater is being addressed at the subdivision/plat level. If the subdivision included restrictions or
requirements for the individual lots, (e.g. maximum impervious surface, LID BMP's), those requirements
should be recorded for each lot and must be enforced when the individual lot is developed.
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Under the municipal stormwater permits the only place that the recent supreme court decision comes into play
is if the developer does not start construction on the plat/subdivision until after January 1, 2022.
For the purposes of the municipal stormwater permits both "application " and "start construction " are defined
in the permits.
Application means at a minimum, a complete project description, site plan, and if applicable SEPA checklist.
Start of construction means at a minimum, the site work associated with and directly related to the approved
project has begun. For example: grading the project site to final grade or utility installation.
Language shall be included on the face of the recording documents for the plat/subdivision that states the
stormwater codes in effect at the time of application for the plat/subdivision shall apply, as long as
construction on the plat/subdivision starts prior to January 1, 2022. If construction does not begin prior to
this date, the stormwater system for the plat/subdivision shall be redesigned to comply with current codes.
1) On January 1, 2017, the City of Edmonds adopted the Department of Ecology 2012(14)
Stormwater Mitigation Manual for Western Washington (SWMMWW). Stormwater design
submittals shall be consistent with the SWMMWW, as modified by the Edmonds
Community Development Code (ECDC) 18.30 and the 2017 Edmonds Stormwater
Addendum. Links to documents and code are available on the City website. Please include
the applicable checklists with your resubmittal.
a. For new SFR projects connecting to a stormwater system approved with a
subdivision approved prior to 2017, the SFR may connect to the system constructed
with the subdivision as long as the proposed impervious surface area does not exceed
that for which the system was designed. If it exceeds the allotted impervious surface
area it shall be designed to the code effective at the time of SFR permit application.
b. SFR permits where the subdivision approved prior to 2017 states the stormwater
system improvements are deferred to the building permit, will be required to meet
the code in effect at the time of building permit submittal.
2) The proposed project site includes existing impervious surface area. If a stormwater
management system was installed to mitigate the existing impervious surface area, please
provide the design information for the system and show it on the proposed plans. If an
existing stormwater management system does not exist for the existing impervious surface
area, the 2017 stormwater code requires that mitigation of 25% of the existing impervious
surface be included in the proposed stormwater design. Please review ECDC
18.30.060.D.5.b.i regarding the applicability and requirements for the Retrofit bmp.
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STO RM WATE R REVIEW COMMENTS
City of Edmonds
Engineering Division
To: Engineering Reviewer
Date: May 1, 2018
Project Name: Almark Lot 3
Permit Number: BLD20180414
Address: 19816 86'" PI W
Review Type: Building (SFR)
Submittal Date: 3/22/2018
Reviewer: Zack Richardson, PE
City of Edmonds, Stormwater Engineer
Recommendation: We take no exception to the proposal, but minor clean-up items are
needed on the plans. I recommend that BLD20180414 be withheld until the comments
below are adequately addressed.
Review Comments:
1. C3: Identify the limits of areas to receive treatment per BMP T5.13 (amended
soils) and provide enough detail/specification for contractor to install soils
meeting the BMP requirements.
2. C3: Identify the footing drawing outlet/connection point
a. It appears that the footing drains are proposed to drain through the
rockery wall drain, if this is the case this connection point shall be labelled
for "footing drains only".
3. C3: Add to the "match existing pavement" callout "...; maintain/reestablish
existing thickened edge"
4. C3: Add "minimum" to the invert elevation callout for the overflow pipe (west) at
CB #3.
5. C3: Correct typo in trench #4 sizing table; currently labelled as trench #2
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