BLD20161496_ENG2.pdf
CITY OF EDMONDS
PLAN REVIEW COMMENTS
ENGINEERING DIVISION
(425) 771-0220
City Website: www.edmondswa.gov
th
, 2017
May 9
DATE:
March 9th, 2017
TO:Jeff Vehrs
jeffvehrs@frontier.com
Mitch Boyd, Stantec Consulting Services
FROM:
Mitch.Boyd@edmondswa.gov
Jennifer Lambert
Jennifer.lambert@edmondswa.gov
RE:Application #: BLD20161496
Project: Vehrs-Single Family Residence
Project Address: 546 Forsyth Ln
During review of the above noted application, it was found that the following information, corrections,or
clarifications are needed. Reviews byother divisions, such as Planning, Building, or Fire may result in
additional comments. Please redline plans or submit three (3) sets of revised plans/documents with a written
response to each of the items below to a permit coordinator.
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 and development code can be referenced on the City website.
SITE PLAN
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May 9, 2017 –The site plan impervious area calculation does not match the
1)
impervious area calculation provided on the Civil Plans. The Site Plan shows an
impervious area of 2,108 SF while the Civil Plan shows an impervious area of 2,688 SF.
Please revise thesite plan impervious area calculation to 2,688 SF.
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March 9, 2017 -The impervious area proposed for the driveway is not consistent with the
Civil Plans. Please revise the plans accordingly.
2)As changes are made to other plan sheets, please revise this plan sheet accordingly.
TESC
OK
1)
Show the construction entrance.
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May 9, 2017 –Please add City of Edmonds standard detail E1.3 to the plans(Sheet
2)
C1.1). Reference the detailon Sheet C1.0.
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March 9, 2017 -Please reference Edmonds Standard Detail E1.3 for thefilter socks that
shall be added to any catch basins downstream from the construction site.
OK
3)
Please add a note to the plans that all disturbed soils will be compost amended.
WATER
OK
1)
Please label the sizeof meter to be installed.
OK
2)
Please label the size of water service line (minimum of 1” at 160psi is required) to be
installed.
OK
3)
Please label the pipe material and note tracer wire to be installed on the water service line.
SEWER
OK
1)
Please show the invert elevations at the house so that slope (minimum 2%) and coverage
(minimum 2’) can be verified. If the slope of the pipe exceeds 20% the pipe will need to be
anchored.
OK
2)
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Please label the pipe material for the side sewer.
STORM
OK
1)
Label the pipe material for all storm pipes.
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May 9, 2017 –The majority of the pipes have adequate cover. Please lower the 4”
2)
storm connection atArea Drain (SD#15) to have a minimum of 2’ of cover as it is
under a driveable surface. Currently there is approximately1.5’ of cover.Double
check all other pipes to ensure they have their appropriate cover.
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March 9, 2017 -Show invert elevations for all pipes at the stubs and the house. Please note
that a minimum of 2’ of cover is required for all pipe under driveable surfaces and 1’ of
cover under landscape areas.
OK
3)
Please provide a cross section detail of the detention system located under the permeable
driveway.
OK
4)
Please provide the required depth of pervious pavement on the permeable cross section
detail.
STORMWATER REPORT
The following comments are provided from Robert C. Edwards, PE, Stormwater Engineer.
Please contact Robert directly at 425-771-0220 or by email at
robert.edwards@edmondswa.govwith any specific questions you may have regarding these
comments.
This is classifiedas a Category 2 Small Site because it proposes impervious area exceeding 5,000 SF.
Category 2 Small Site Projects are subject to Small Site Minimum Requirements 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
and 11.
Minimum Requirement #1 –Preparation of Stormwater SitePlan
Comments:
Page 3of 5
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May 9, 2017 –It is the opinion of the City of Edmonds that an addendum to the original
1.
Short Plat may be provided in lieu of a full technical information report. The addendum
should include any changes made totheLot 2 design between the original short plat submittal
and the current proposal. The addendum must be prepared and stamped by a professional
engineer licensed in the State of Washington in Civil Engineering.Alternatively, a full
Technical Information Reportprepared and stamped by a Professional Engineer licensed in
the State of Washington in Civil Engineering may be provided for Lot 2.
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March 9-Provide Technical Information Report per Section 5.0 of the City of Edmonds 2010
Stormwater Supplement. The report must be prepared and stamped by a professional engineer
licensed in the State of Washington in Civil Engineering.
OK
2.
Drainage plan must be stamped by a professional engineer licensed in the State of Washington in
Civil Engineering
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May 9, 2017 -This comment has not been addressed.Please provide the permeable pavement
3.
detail as mentioned below.
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March 9, 2017 -Provide permeable pavement detail on drainage plan as prepared by a professional
engineer licensed in the State of Washington in Civil Engineering. See the City of Edmonds handout
E72B for guidance.
Minimum Requirement #2 –Construction Stormwater Pollution Plan
Comments:
OK
1.
Provide Construction Stormwater Pollution Prevention Plan per Section 5.2 of the City of Edmonds
2010 Stormwater Supplement. The plan sheet(s) are to be separate from the drainage plan sheet(s).
OK
2.
Provide detail for catch basin inlet protection BMP.
Minimum Requirement #3 –Source Control of Pollution
Comments: None
Minimum Requirement #4 –Preservation of Natural Drainage Systems
Comments: None
Minimum Requirement #5 –Onsite Stormwater Management
Comments: None
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Minimum Requirement # 6 –Runoff Treatment
Comments: None
Minimum Requirement #7 –Flow Control
Comments: None
Minimum Requirement #8 –Wetland Protection
Comments:None
Minimum Requirement #9 –Operation and Maintenance
Comments:
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May 9, 2017 –This comment has not been addressed.Please provide the Operations and
1.
Maintenance for permeable pavement in the drainage report.
Provide O&M for permeable pavement in drainage report.
Minimum Requirement # 10 –Offsite Analysis and Mitigation
Comments: None
Minimum Requirement #11 –Financial Liability
Comments: None
DRY UTILITIES
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May 9, 2017 –Please add the notefound belowto the drainage/utilityplans.
1)
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March 9, 2017 -Please add a note that a minimum of 3’ separation is required between the
dry utilities (power, gas, phone, cable, etc.) and sewer, water, and storm and 5’ from any
City main lines.
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