Eng20160089_Perrinville-2.docx
City of Edmonds
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121 5 AVENUE NORTH • EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORKS DEPARTMENT
Engineering Division
Plan Review Corrections
Plan Check : Date:
# ENG20160089 August 10, 2016
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Project Name/Address:
Greg Payne Perrinville Drainage 18502 76 Ave W
Contact Person/Address/Fax:
JC McDonnell Engineering John@jcmcdon.com
Reviewer: JoAnne ZulaufDivision:Engineering
During review of the subject submittal, it was found that the following information, corrections, or
clarifications would need to be addressed. All Handouts and Standard Details referred to in these
comments can be accessed at our website: www.edmondswa.gov by choosing the “Services” tab and
“Permits and Development”.
Offsite Drainage Report
Please see the following comments provided by the City’s Stormwater consultants, Herrera.
Offsite Drainage Report
Sheet 1 of 1 – Offsite Drainage Plan
2.Provide a connection to the existing outfall to prevent over-splash and erosion at the turn of the
ditch.
5/11/16 response: Suggestions for consideration in the existing outfall design include the following:
Diffuser tee at the bottom of the pipe surrounded by riprap (Figure 4.5.11, Volume V of the
2014 SWMMWW; Figure 4.11, Volume V of the 2005 SWMMWW)
Gabion baskets filled with quarry spalls (Figure 4.5.10, Volume V of the 2014 SWMMWW;
Figure 4.10, Volume V of the 2005 SWMMWW)
Willow stakes to provide protection and screen the gabion basket/diffuser tee
8/9/16 response: The applicant has not shown any details as to how the stormwater velocity will be
dissipated in the channel at the base of the slope prior to entering the Stilling Basin “D”.
Applicant shall show how design meets the requirements of BMP C209: Outlet Protection of the
current SWMMWW.
Please resubmit 2 copies of the revised plans/documents to a Development Services Coordinator. Please
contact me at 425-771-0220 if you have specific questions regarding these plan corrections.
DATE FAXED/E-MAILED 6/29/2017 PAGE ___ OF __
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