bld20110621_Columbia.Bank-1.pdf
City of Edmonds
TH
121 5 AVENUE NORTH EDMONDS, WA 98020 (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
DEVELOPMENT SERVICES DEPARTMENT
Planning Building Engineering
Plan Review Corrections
Plan Check : Date:
# BLD20110621 September 9, 2011
Project Name/Address:
Columbia Bank 9601 Edmonds Way
Contact Person/Address/Fax
__Boleshaw Zenczak Zenczak & Partners Email: studio@zpaaia.com___
ReviewerDivision:
: JoAnne Zulauf Engineering
During review of the subject submittal, it was found that the following information, corrections, or
clarifications need to be addressed. All Handouts and Standard Details referred to in these comments
can be accessed on our website: www.ci.edmonds.wa.us under City Government / City Departments
/Public Works/ Engineering Division.
GENERAL
1. Please provide an itemized cost estimate, including units and unit prices, for both on-site and off-site
(right-of-way) improvements, including traffic control. The City recommends use of the King County Site
Improvement Bond Quantity Worksheet.
A bond is required to be placed for all right-of-way improvements. The amount of the bond will
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Be based on 120% of the City approved estimate for all right-of-way improvements. The City will
inform you of the appropriate bond amount after review of the cost estimate. Bond forms can be
obtained from Marie Harrision, Permit Coordinator. She can be reached at 425-771-0220 or by
email at harrison@ci.edmonds.wa.us.
Inspection fees for this project will be calculated at 2.2% of the 120% City approved estimate for
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all improvements.
2. From the provided attachment General Notes, please add the appropriate notes from list to the existing
notes on plans or copy and paste to plans.
3.
SHEET L1 LANDSCAPING:
Please make changes to plan consistent with Site Plan comments.
SHEET A1.1 SITE PLAN
1. Please show 4 ft landscape strip and a 5 ft concrete sidewalk along property frontage. Landscape
strip width can be reduced where necessary to accommodate sidewalk shifting to the south around
existing utilities and WSDOT sign pole.
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8.Please change the Bioswale note to read Bioswale per approved design. See Civils..
9.Please label the block retaining wall.
STORMWATER REVIEW
The following comment has been provided by Stormwater Program Manager Jerry Shuster in review of
the Stormwater submission for Columbia Bank.
Final Engineering Report, Columbia Bank-Edmonds Way, LSA Engineering July 2011
Civil Drawings Sheet C1 and details related to the stormwater system on other sheets.
Please contact Jerry directly with any questions related to this comment. Jerry can be reached by phone at
425.771.0220 or by email at shuster@ci.edmonds.wa.us.
STORMWATER REPORT
Since runoff from more than 10,0000 sf of impervious area is being routed to the infiltration
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system, a presettling basin or basic treatment BMP is required per Volume V Figure 2.1 and
Volume 5, Section 6.3 of the 2005 Ecology Manual. Any of the pretreatment technologies
approved by Ecology can substitute for a presettling basin as long it is designed for the flows
to the infiltration system. See
http://www.ecy.wa.gov/programs/wq/stormwater/newtech/Pretreatment.html
The WWHM3 modeling does not match the infiltration trench detail in sheet C3 in the following
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ways:
The three layers in the model do not correspond to what is shown in the infiltration
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trench detail in sheet C3. Based on the detail, Layer 1 should be 3.67 feet, porosity 0.3
and Layer 2 should be 1.5 ft', with the porosity of amended soils (not provided).
Bottom of trench is modeled at elevation 326.0. The bottom of the trench should be the
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bottom of the amended soil which is at elevation 325.5.
The overflow riser height should be 5 feet not 3.67 feet. It is measured from the top of
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the overflow riser in MH CB#1 (330.5) minus the bottom of the trench (325.5).
The effective total depth is always s 0.5 ft above the riser so it should be 5.5 feet.
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Part of the eastern parking area encroaches on the storm drainage for other lots in the plat.
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Ensure that the parting area does not interfere with any storm infrastructure planned for that
easement area.
SHEET C1 SITE DEVELOPMENT, DRAINAGE AND UTILITY PLAN
Please show 4 ft landscape strip and a 5 ft concrete sidewalk along property frontage. Landscape strip
width can be reduced where necessary to accommodate sidewalk shifting to the south around existing
utilities and WSDOT sign pole.
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Provide specific contact information for all Edmonds utilities on civils. See COE Handout E28.
SHEET C2 GRADING AND EROSION CONTROL PLAN
SHEET C4 NOTES AND DETAILS
TRAFFIC SUBMITTAL REVIEW
The following comment has been provided by Bertrand Hauss, Transportation Engineer, in review of the
Traffic Impact and Traffic Control Plan submission for Columbia Bank.
Traffic Impact Analysis, Columbia Bank-Edmonds, Gibson Traffic Consultants June 2010
Drawings Sheet 1, Traffic Control Plan, Columbia Bank Edmonds Way
Please contact Bertrand directly with any questions related to this comment. Bertrand can be reached by phone
at 425.771.0220 or by email at hauss@ci.edmonds.wa.us.
TRAFFIC IMPACT ANALYSIS
SHEET # 1 TRAFFIC CONTROL PLAN
1.Please add note: Street shall be completely clear and open to full width between 3pm and 6pm
weekdays unless extended hours allowed (Extended hours require City of Edmonds approval).
2.Please add standard traffic control tables for taper distance, sign spacing etc.
Please resubmit a written response to all comments and 3 copies of the revised plans/documents to Marie
Harrison, Development Services Coordinator. Please contact me at 425-771-0220 or by email at
zulauf@ci.edmonds.wa.us if you have specific questions regarding these plan corrections.
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