Engineering & Storm Comments 2.pdfof Ell-'Vo CITY OF EDMONDS
PLAN REVIEW COMMENTS
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ENGINEERING DIVISION
.(425) 771-0220
City Website: www.edmondswa.gov
DATE: June 15, 2018
TO: Hoa Tran
Monique0526@yahoo.com
FROM: Jennifer Lambert, Engineering Technician
Jennifer.lambert@edmondswa.gov
RE: Application 4: BLD20180235 & BLD20180236
Project: New SFR & Detached Garage
Project Address: 23016 — 94th Ave W (address to be changed since access is off of
232nd St SW).
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.
1st Review - 4/25/18
2nd Review - 6/13/18
GENERAL
1) 6/13/18 — Comment was addressed; however the application was not signed by the
contractor. This will need to occur prior to the release of the right-of-way permit.
4/25/18 Comment: Submit ROW Permit Application form.
2) OK
3) OK
4) OK
5) 6/13/18 — Comment was addressed; however, the location of the easement do not seem
to be accurate. See comment below.
4/25/18 Comment: Show all private easement information within the plan sets. Note AFN's
for existing easements and/or recording documents for proposed easements as applicable.
6) OK
7) 6/13/18 — Leaving this note for reference as changes are made to the plans.
232nd St SW is scheduled to be overlayed this year (2018). The City typically does not
allow for cuts to occur within the first year of an overlayed streets. Please note that if the
road is cut into disruption fees shall apply to cuts made in streets that have been overlaid
within the last 5-years as well as a requirement to grind an overlay a portion of the right-of-
way. The fee to cut into a street was overlaid within the last year has a multiplier of 5 times
the fee. A street overlaid within the last 2 years has a multiplier of 4 times the fee, and so
forth. Please clearly show any asphalt cuts (remember to consider the dry utilities as well,
gas, cable, phone, power, etc.).
8) OK
6/13/18 — New Comment
9) A traffic impact sheet was provided; however, the 2nd page seems to be missing. Please
provide the 2nd page.
SHEET 1 of 1— SITE/PLOT PLAN
1) As changes are made to the Civil plan sheets, please revise this sheet accordingly.
SHEET 1 OF 4 — GRADING AND TESC PLAN
2) OK
3) 6/13/18 — Comment was addressed; however, the construction entrance is placed such
that the vehicles will be driven over property where there appears to be no easement.
Please revise the entrance; such that, the vehicles will be driving only on the property
they are approved to drive on.
4/25/18 Comment: Show reference the construction entrance City standard detail E1.2 and
the plan sheet it is located on.
4) OK
5) OK
6) OK
7) OK
6/13/18 — New Comments
8) Please remove the following notes (written in two locations) `No ground disturbance
proposed in this area. Trees to be removed shall retain existing root systems in place.'
This note is not needed per the planning department, since no trees are permitted to be
removed outside the clearing limits.
9) Please revise Note #2 under the ESC General Notes to include that all disturbed soils
need to be compost amended.
SHEET 2 OF 4 — GRADING AND TESC NOTES AND DETAILS
1) OK
2) OK
Page 2 of 4
SHEET 3 OF 4 — ROAD AND DRAINAGE PLAN
1) OK
2) 6/13/18 — Comment was addressed by providing a copy of the Title for the subject site;
however, it is unclear from the title who has access to utilize the South 360 feet for
ingress, egress, and utilities. Also, the copy of the easement provided is illegible.
Please provide documentation that shows that the south property has approval to use
the subject site to access their property.
4/25/18 Comment: Please provide a copy of the easement that allows the south neighbor to
use your driveway to access their home from 232" d St.
3) 6/13/18 — Comment was addressed; however it appears from the title report that the
subject site does not have approval to utilize any portion of the south property. Please
provide documentation that shows that the new driveway can be installed on the
neighboring property.
4/25/18 Comment: The plans show that the new driveway is to be installed on the
neighboring property. Please provide a copy of the recorded easement (AFN 2158904) to
show that this can occur.
4) OK
5) 6/13/18 — Comment was addressed; however, additional information is needed.
a. Please show/address that the daylighting will not affect neighboring structures.
b. Please show a splash pad.
4/25/18 Comment: Please show where the footing drains will discharge. Typically the
footing drains do not discharge to the stormwater management system unless the engineer of
record has designed for it.
6) OK
7) OK
SHEET 4 OF 4 — ROAD/DRAINAGE PROFILE & DETAILS
1) OK
SHEET U1 OF 1— WATER AND SEWER PLAN
WATER
1) 6/13/18 — Comment was partially addressed. The pipe material and tracer wire was
not noted on the plans. Please revise the plans accordingly
4/25/18 Comment: As indicated by the Fire Department, a fire sprinkler system is required
for this property. Please check with Olympic View Water and Sewer District, to determine
if the water line from the main to the meter is appropriately sized. 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.
d. Please revise the construction notes accordingly.
2) OK
3) OK
Page 3 of 4
4) OK
5) OK
SEWER
1) OK
DRY UTILITIES
1) OK
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
zacharv.richardson(&edmondswa.2ov with any specific questions you may have regarding his
comments.
Page 4 of 4
STO RM WATE R REVIEW COMMENTS
City of Edmonds
Engineering Division
To: Engineering Reviewer
Date: May 30, 2018
Project Name: Tran SFR
Permit Number: BLD20180235 (Residence) & BLD20180236 (Dethatched garage)
Address: 23016 94t" Ave W
Review Type: Building Permit (SFR) #2
Submittal Date: 5/10/2018
Reviewer: Zack Richardson, PE
City of Edmonds, Stormwater Engineer
Recommendation: I recommend that BLD20180235 & BLD20180236 be withheld until
the comments below are adequately addressed.
Review Comments:
General: It appears that the new gravel surface shown as "existing gravel
driveway" is recently added, unpermitted, and unmitigated pollution generating
impervious surface which was added in preparation or anticipation of the current
proposal and must, therefore, be considered new pollution generating impervious
surfacing. Update drainage design and documents as needed to address
additional surface.
Update: Surface added and noted as `Basin B'; however they are not adequately
mitigated under MR #5.
a. It is unclear why infiltration/permeable pavement were determined
infeasible for Basin B; impacts from the "new" driveway may not be
considered as an infeasibility criteria and geotechnical information
supporting/finding compacted soils in the vicinity of the existing driveways
would be required to show impacts of adjacent driveways. Update plan
and report as needed.
b. ECDC 18.30.060.D.5.d added detention as a potential BMP for MR #5, but
detention does not seem considered. Update plans and report as needed.
i. Note that the City storm system in this vicinity utilizes infiltration for
discharge, infiltration shall serve as an adequate discharge for a
detention system (ie. the system becomes an infiltration tank). The
project may also expand the Basin A facility to mitigate for these
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surfaces (provided that the impervious surfaces are fully infiltrated).
The infeasibility criteria pertaining to an adequate discharge system
shall not be applicable for this site unless infiltration is shown to be
infeasible for this basin.
2. No further action.
3. No further action.
4. No further action.
5. Civil Sheet 3: Revise plan sheet, and corresponding details, as needed to make
the proposed pervious pavements consistent with Edmonds Checklist #11
(attached)
Update: Addressed, except that Basin A is now over the water quality threshold;
ensure soils conditions are adequate to meet the treatment requirements and
update report and provide supporting information as needed, or provide
alternative mitigation as required. Include a copy of the geotech's 11/3/2017
"infiltration considerations" document, and/or any new/revise geotech documents,
as an appendix for reference.
6. Civil Sheet 3: Include elevations for the top and bottom of rock in each trench.
Update: CB #5 rim elevation appears too low to maintain standard dimensions
and trench elevations as shown; update plans as needed.
7. No further action.
8. No further action.
9. No further action.
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