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RAM Engineering
Jennifer Lambert
City of Edmonds Planning Division
1215 Ih Avenue North
Edmonds, WA 98020
RE: Kirschner SFR- 753 Bell St
Plan Check BLD20161610
Vt Review Comment Response
RAM Job No. 16-020
Ms. Lambert:
June 2, 2017
RESUB
JUN 0 5 nOI7
BUILPING DEPArTMENT
ClrYOFC-DMONDS
This letter outlines the revisions and corrections made per your review comment email dated March 10,
2017. Below is a list of the comment response documents addressing the comments and requests:
SITE PLAN
1) As changes are inade to other plan sheets. please revise this plan sheet accordingly.
Architect site plan has been revised to match site development plan changes.
SITE DEVELOPMENT PLAN (Sheet I of 5)
GENERAL
1) Please revise BLD2016 to BLD20161610.
BLD20161610 number added to plan set.
2) Sidewalk is required to be installed actiacent to the subject site.
a. Show the entire sidewalk along the Bell St frontage.
b. Show the connection to the existing sidewalk (west) and an asphalt transition to
the cast.
Concrete sidewalk, curb and gutter has been added to plans as requested.
3) A portion of the alley is to be installed over 755 Bell St property. An easement between
the City and 755 Bell St will need to be obtained prior to final approval of the single
family residence.
Access easement call -out added to plans. See draft access easement under separate cover.
4) Oil Sheet 1, please reference the alley section detail that is located oil sheet 2.
Reference note added to plans.
5) The niaxiinuin driveway width for a 3 car garage is 30'. Please revise the plans
accordingly.
Garage width revised to 30'.
6) Please show a ininirriurn of 10' length of al ley paved to the west of the proposed
driveway to allow for vehicles to turnaround.
10' length added and noted on plans.
RAM Engineering 16531 13'h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAM engi neeri nginc.corn
Kirschner SFR- 7S3 Bell St
Plan Check BLD20161610
1st Review Comment Response
RAM Job No. 16-020
7) Please add a note that a 2" grind and overlay may be required. A final restoration
inspection is required to determine restoration requirenients/limits.
Note added to plans.
WATER
1) It appears that a fire sprinkler sys(ern is required for this property.
,I, Show the water nieter located in the right-of-way, such that the back of the ineter is
on the property line.
b. Please show a 1-1/2" line to be installed from the back of the ineter to the house (as
typically required for a combination fire and domestic service line).
c. Please label the pipe material and note tracer wire to be installed on the water service
line.
Page 2 cf5
The proposed house will not contain a fire sprinkler system (see Architect response memo); 1-
1/2" water line will not be provided (note b.)
2) Please show there is a minimum of 10' of horizontal separation between the water and the
sewer lines. It does not appear that this requirement is being met as the lines connect at (lie
house.
10' utility separation note added to plans.
3) Please add a note to the plans that all final restoration shall be completed bythe contractor not the
City of Ednionds.
Note added to plan.
SEWER
1) A note Is on the plan that states that the new sewer will connect to the existing sewer. Since
the existing structure is a garage/slied, it is unclear if there is an existing line. Please add the
following notes to the plans:
If there is an existing scwer/stub,
a. And the 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.
b. The side sewer will need to be TV'd by the con(ractor and submitted to the City for
review and approval to re -use.
c. If the existing sewer lateral is proposed to be reused, the sewer will need to be
inspected by the City's Public Works department to determine if it can be reused.
Contact Edmonds sewer division, 425-771-0235.
Notes added to plans as requested.
2) Please provide the invert elevation at the main.
Elevation added, 160.5.
RAM Engineering 1653113 1h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAMengineeringinc.com
Kirschner SFR- 753 Bell St Page 3 of 5
Plan Check BLD20161610
1st Review Comment Response
RAM Job No. 16-020
3) Please show the new sewer connection at the main to be a rornac inserta tee if the connection is
cored in. If the sewer connection will be cut in, please show a wye to be installed.
Existing tee to be used and shared with #755 and #205; private sewer easement added to plan.
Notes to verify existing sewer stub add to plan, see item 1) above.
4) Please add a note that the 6" cleanout at the property line will have a 12" cast iron 10111phole
cover with I/i" hexbolts.
Note added.
5) The invert elevations provided for the sewer line is 366.0 and 365.3; however, the finished
floor elevation for the house is stated at 173.00. Please revise the plans accordingly. There
shall be a inininumi of 2% slope on the sewer line.
Sewer system grades corrected and note on minimum 2% slope added to plans.
STORM
1) Please clearly show how the runoff from the driveway will be collected and discharged to
the onsite stormwater management system and not sheet flow into landscape areas (i.e.
curbing, directional flow arrows, etc.).
Spot elevation and slope arrows added to plan; no added curbing is necessary.
2) It appears from SDCOl to Cl3l the pipe will be installed with 120% slope. Please show
how the pipe will be anchored or revise the plans such that the slope of all pipes is under
20%.
Pipe lengths and slopes added to sheet 1 of 5 (SP-01). Pipe slope between SDC01 and C131 set at
15%
3) Please note the observation well on this plan sheet.
observation well added to detail on sheet 2 of 5 (GN-01)
1� I ORNM A I I..
At-lu'l'olz I
The following comments are provided from Robert C. Edwards, PE, Stormwater Engineer.
Please contact Robert directly at 425-771-0220 or by email at
1-ohert.edwardsw edinondswa.gym- with an), specific questions you may have regarding these
comments.
Background
This is classified as a Category I Small Site Project because it creates/adds impervious area more
than 2,000 SF and less than 5,000 SF.
Category I Small Site Projects are subject to Small Site Minimum Requirements 1, 2, 3, 4, 5, 7, 8,
9, and 11.
Minimum Requirement 41 — Preparation of Stormwater Site Plan
Comments:
1. Sheet GN-01, Specify 1-1/2" to 1-3/4" washed drain rock, minimum 0.30 void ratio for dry
well.
Rock specification revised as requested.
RAM Engineering 16531 131h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAM engineeri ngin c.corn
Kirschner SFR- 753 Bell St
Plan Check BLD20161610
1st Review Comment Response
RAM Job No. 16-020
2. SlieetGN-01,Clianse"InfiltratioiiTrencli"to"Diywell"
C,
Label changed to "drywell".
Minimum Requirement #2 — Construction Stormwater Pollution Plan
Comments:
1. Sheet TP-01, provide filter fabric fence along South property line and half way up West property
line. Provide filter fabric detail in plan set.
Filter fence added along the south property line; detail provided on sheet 4 of 5 (DT-01).
Minimum Requirement N3 — Source Control of Pollution
Comments: N/A per SFR
Minimum Requirement #4 — Preservation of Natural Drainage Systems
Comments: N/A per LID
Minimum Requirement P5 — Onsite Stormwater Management
Comments: None
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. Provide O&M manual
Minimum Requirement #11 — Financial Liability
Comments: N/A for SFR
GE'NERAL NOTE.S & LEGEND (Sheet 2 of 5)
See comments above.
('I,EART'N'(;, GRADING &TESCPLAN (Sheet 3 of 5)
1) Show the filter fence along the south property line.
Filter fence added along the south property line.
GENEAZAL DF.Tkil S (-Shevt 4 tof 5)
1) Remove standard detail E5.4. It does not apply to this project,
Detail removed.
I ( ONTIML PLAN (.Sllk'('t 5 of ")
No comments.
Page 4 of5
RAM ngineering 1653113" Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAMengineeringinc.com
Kirschner SFR- 753 Bell St
Plan Check BL020161610
1st Review Comment Response
RAM Job No. 16-020
Page 5 of5
If there are any questions regarding the items above or the contents of the revised drawings, please
contact me at your earliest convenience; I can be reached at (425)678-6960 or
RobL@RAMengineeringinc.com. We sincerely appreciate your time and assistance.
Thank you,
Rob Long, PE
Principal
RAM Engineering 1653113 1h Ave W, Suite A108 Lynnwood WA 98037 (425) 678-6960 RAMengineeringinc.com