20170208141711.pdfRAM Engineering
City of Edmonds Development Services Department
c/o Jennifer Lambert, Engineering Technician
121 5th Avenue North
Edmonds, WA 98020
RE, Select Homes-1137 61h Ave S. Single Family Residence
Plan Check BLD20161499
Engineering Plan Review Comment Response
RAM Job No. 16-035
Mrs. Lambert:.
February 3, 2017
II
017
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This letter outlines the revisions and corrections made per your review comments dated February 3,
2017. Below is a list of the comment response documents addressing the comments and requests:
GENERAL COMMENTS
1. Revise BLD2016 ' to `BLD20161499'.
BLD number updated on all plan sheets.
81IEll1' ' 1 0F4 ITI-' 1)1,'Vr1:,OI'"MENT I"LAN
GENEII.A.L
1. Please add a note that the final restoration for all utility connections and utility
abandonments (sewer, water, and storm) is to be completed by the contractor. A field
inspection is required to determine the final restoration limits.
Note added to plans.
2. Please show the asphalt cuts for final restoration for the new water service line installation
and the cut and cap of the existing water service line.
Asphalt cut restorations for new and old water service lines have been added.
3. Please show a minimum of 3'-5' of separation between the driveway and the utility pole.
Driveway revised to provide 3' minimum separation between driveway and utility pole.
4. Please clearly state that landscape will be installed in the right-of-way between the property
line and the edge of asphalt. This area cannot be gravel, asphalt, etc. unless approved
otherwise.
Note added to install lawn/landscaping between existing edge of pavement and property line.
WATER
No comments.
SEWER
1. If the existing side sewer is to be re -used, the line must be cut and capped a minimum of 20'
from existing and/or proposed foundation whichever foundation is closest to the sewer stub.
Please revise the plans accordingly.
Note added to sheet 1 of 4.
RAM Engineering 16531131h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAM engineeringinc.com
Select Homes-1137 6th Ave S. Single Family Residence
Plan Check BLD20161499
Engineering Plan Review Comment Response
RAM Job No. 16-035
2. Please add a note that the side sewer will need to be TV'd and submitted to the City for
review and approval to re -use.
Note added to sheet 1 of 4.
3. Please add a note that the sewer lateral will need to be TV'd by the City of Edmonds, Sewer
Department, to determine if the line can be re -used. If the line is damaged or not a 6" line
from the main to the property line, the sewer lateral will need to be replaced.
Note added to sheet 1 of 4.
STORMW TER 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
rolert.a»tlrvartls da+clmonilsr°a. pow with any specific questions you may have regarding these
comments.
Background
This is classified as a Category 1 Small Site Project because it creates/adds impervious area more
than 2,000 SF and less than 5,000 SF.
Category 1 Small Site Projects are subject to Small Site Minimum Requirements 1, 2, 3, 4, 5, 7, 8,
9, and 11.
Minimum Requirement #1 — Preparation of Stormwater Site Plan
Comments: In order to use simplified sizing, the following changes are needed:
1. Sheet SP-01 "INFILTRATION TRENCH" should read "DRYWELL"
2. Sheet SP-01 "C CENTER OF TRENCH" should read "DRYWELL"
3, Sheet GN-01 Two instances or 'INI 11.,]'ItA'I"ION I'RI,'NCII" should read'"i.:IRYWL�AA,."
4. Sheet GN-01 Add drywell material specification, "1-1/2" — 3" Washed Drain Rock"
References to infiltration trench have been revised to drywell as requested.
Minimum Requirement #2 — Construction Stormwater Pollution Plan
Comments: None
Minimum Requirement #3 — Source Control of Pollution
Comments: N/A per SFR
Minimum Requirement #4 — Preservation of Natural Drainage Systems
Comments: N/A per LID
Minimum Requirement 45 — Onsite Stormwater Management
Comments: See MR # 1 continents above
Minimum Requirement #7 — Flow Control
Comments: Flow control by LID
Minimum Requirement #8 — Wetland Protection
Comments: N/A
Minimum Requirement #9 — Operation and Maintenance
Comments:
1. The Maintenance Requirements are missing.
a. Consider Table 3.5 of Volume III of the 2005 SWMM for Western Washington, page
3-56 for catch basins
b. Consider maintenance criteria for infiltration trenches, page 3-103 of Volume III of
the 2005 SWMM for Western Washington.
Page 2 of 3
RAM Engineering 1653113`hAve W,Suite A108 Lynnwood WA98037 (425)678-6960 RAMengineeringinc.com
Select Homes-1137 6th Ave S. Single Family Residence
Plan Check BLD20161499
Engineering Plan Review Comment Response
RAM Job No. 16-035
See attached Operation and Maintenance addendum memo.
Minimum Requirement #11— Financial Liability
Comments: N/A for SFR
SllEVI` 2 OF GENERAL NOTES AND Of -JAILS
GENERAL NOTES
1. Note 21 —Revise `linda.mcmurjihy(�t`i...' to `jeff.kobylk@...'
Note 21 revised as requested.
SHEE'V ;1 OF 4 — f I,EARING GRADING AND TESC PLAfi 1
1. Show protection fencing around the LID stonnwater facilities.
Protection fencing added around LID stormwater facilities (dry well) area.
SHEET 2 OF 4 — GENERAI, NO 11,, AND DE'rAll:.8
1. Please add the silt fence detail to this sheet.
Silt fence detail added to sheet 2 of 4.
Page 3 of 3
If there are any questions regarding the items above, please contact me at your earliest convenience; I
can be reached at (425)678-6960 or RobL@RAMengineeringinc.com.
Thank you,
Rob Long, PE
Principal
M Engineering 16531131h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAMengineeringinc.com