pln20080046-Hill_Lk_Ball-Civil_Review-E2.pdfof E11410
CITY OF EDMONDS
CIVIL PLAN REVIEW COMMENTS
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ENGINEERING DIVISION
�Sr 1g90 (425) 771-0220
City Website: www.edmondswa.gov
DATE: February 8, 2013
TO: Rob Long — The Blueline Group, LLC
rlong@thebluelinegroup.com
FROM: Jeanie McConnell, Engineering Program Manager
RE: Subdivision File 4: pin20080046
Project: Shoreshire (FKA Hill Lake Ballinger Plat) 7-lot Plat
Project Address: 24223 76th Ave W
During review of the above noted application, it was found that the following information,
corrections, or clarifications are needed. Please redline plans or submit three (3) sets of revised
plans/documents with a written response to each of the items below to an Engineering Technician.
City of Edmonds handouts and standard details can be referenced on the City website under Permit
Assistance.
Comments 1 — December 3, 2012
Comments 2 — February 8, 2013
GENERAL
1. 2/8/2013 — Thank you for providing a cost estimate. The estimate will be reviewed further
once these plan comments have been addressed.
12/3/2012 comment - Please provide an itemized engineers cost estimate, including units and
unit prices, for both on -site and off -site (right-of-way) improvements, including all utilities,
traffic control, Wetland signage, fencing and restoration. Please use the King County Site
Improvement Bond Quantity Worksheet and utilize the "write-in" sections where appropriate.
• A bond is required to be placed for all erosion control measures, right-of-way and
stormwater management improvements. Posting a bond for stormwater systems applies to
subdivisions that involve 7,000 square feet or more of land disturbing activity and as well as
on projects in a critical area or buffer including ESLHA. The amount of the bond will be
based on 120% of the City approved estimate. The City will inform you of the appropriate
bond amount after review of the cost estimate. Please obtain the appropriate subdivision
improvement bond forms from the City.
• If you intend to post a bond in order to record the subdivision, the bond amount will be
based on the entire scope of the project.
• Inspection fees for this project will be calculated at 2.2% of the 120% City approved
estimate for all improvements.
2. 2/8/2013 — Thank you for providing a traffic control plan. Please see comments below
under Sheet 15 — Traffic Control Plan.
3. ok
4. ok
5. ok
6. ok
7. ok
8. ok
9. ok
PLANNING DIVISION COMMENTS
12/3/2012 comment - ok
STORM DRAINAGE REPORT
The following comments are provided by Jerry Shuster, Stormwater Engineer in review of the
Storm Drainage Report dated December 21, 2012. Please contact Jerry directly with any questions
you may have on these comments. He can be reached via phone at 425-771-0220 or via email at
j erry. shuster&edmondswa. gov
1. The specified pump is an "evaporative cooling pump." Please provide evidence that the pump
can move runoff containing typical concentrations of solids including tree litter without
clogging.
2. Show and call out check/gate, all other valves and the connections between the 1.5 inch and 2
inch diameter pipes for pump system on sheet 10 or as appropriate.
3. The plans should say that the pump system shall have an emergency backup generator to power
at least one pump during a power outage, as described in the drainage report. Add this note to
Sheet 10, Vault Plan View where it says "Pump Control Panel By others."
4. The vault and pump infrastructure should be a separate tract owned by all the lots in the
subdivision. This is necessary to enforce maintenance of this private stormwater system.
SHEET x of x — TRAFFIC CONTROL PLAN
2/8/2013 — Please see comments below under Sheet 15 — Traffic Control Plan.
1. ok
2. ok
3. ok
SHEET x of x — SIGNAGE, STRIPING & MONUMENTATION PLAN
2/8/2013 — Please see comments below under Sheet 8 — Road & Storm Drainage Plan
1. ok
2. ok
3. ok
4. ok
5. ok
SHEET 1 - CV-01— COVER SHEET
1. ok
Page 2 of 6
2. ok
3. ok
4. ok
SHEET 2- GN-01— GENERAL NOTES AND LEGEND
1. ok
SHEET 3 - EC-01— EXISTING CONDITIONS PLAN
1. ok
SHEET 4 — TP-01 - CLEARING, GRADING & TESC PLAN
1. ok
2. ok
2. 2/8/2013 — Add note that states the contractor shall cut and cap water service lines at the
main. In addition, add a note that the sanitary side sewer shall be cut and capped at the
edge of the wetland buffer.
12/3/2012 comment - Add notes for all utilities to be abandoned/removed, including the
overhead power feeds. Existing water service lines will need to be cut and capped at the main.
Sanitary side sewers will need to be capped at the property line.
3. ok
4. ok
5. ok
SHEET 5 — TC-01— TESC NOTES & DETAILS
1. ok
2. ok
SHEET 6 — AL-01— ALIGNMENT & CURB RETURN PLAN
1. 2/8/2013 — curb ramp location modified. See comments on ramp construction under Sheet
8 comments below.
12/3/2012 comment — Locate intersection curb ramps closer to 761h Ave W.
2. ok
3. ok
4. 2/8/2013 — Please show striping for travel lane, bike lane and fog line.
12/3/2012 comment - Provide a cross-section of 76th Ave W that includes travel lanes, bike lane,
curb/gutter & sidewalk and ROW behind sidewalk.
5. ok
6. ok
7. 2/8/2013 — details added to Sheet 8 — see comment below.
12/3/2012 comment - Provide blow up detail of curb ramp on north side of new plat road and
the adjacent driveway. What will ramps and curbing look like to accommodate the close
proximity of the two?
SHEET 7 — CU-01— COMPOSITE UTILITY & UTILITY CROSSING PLAN
1. ok
2. ok
Page 3 of 6
3. 2/8/2013 — After further review of the sewer and storm easement areas between lots 6 & 7
and the utility systems within, it has been determined that that portion of the storm system
constructed outside the public right-of-way will need to be in an easement designating the
storm pump systems and outfall conveyance as privately owned and maintained. If the
two easements are separated then additional width would be needed on the sewer
easement to bring it to a total of 15-feet in width. In this scenario a fence could be
constructed down property lines. Alternatively, you could draft an easement proposal for
review by our City attorney that designates a separate 10-foot area to each utility stating
ownership and maintenance purposes with an overlapping 20-foot easement
(encompassing the two 10-foot easement areas) designated as access and allowing
disturbance for maintenance and construction purposes.
12/3/2012 comment - Show proposed easement areas.
SHEET 8 — RS-01 — ROAD & STORM DRAINAGE PLAN
1. ok
2. 2/8/2013 — In our meeting we discussed the depth of the proposed drywell accepting flows
from CB #20422 to be at an elevation lower than the foundation proposed on Lot 1. The
drywell detail provided does not seem to be consistent with this discussion. Please revise
accordingly. Please also look at the option of placing the drywell to the south side of
CB#20442 ... would this provide further separation from the proposed single family
residence?
12/3/2012 comment - The City's asset management system indicates CB 20013 picks up some
storm flows from a rockery drain at 181-feet to the south of the basin. There is also an 8" CMP
pipe that is capped 52-feet north of CB 20013. Our records do indicate connection of CB 20013
to CB 20442 as shown on the plans. The pipe discharges on or through Lot 1 and carries some
road runoff as well. If CB 20013 can be connected to the existing storm system on the west side
of 76th Ave W then CB 20442 can be abandoned. Otherwise the flows from this pipe system
will need to be managed in an alternate way.
3. ok
4. ok
5. ok
6. ok
7. ok
8. ok
9. 2/8/2013 — Overhead power lines still shown, please revise.
12/3/2012 comment - Remove overhead power lines from this plan sheet.
10.2/8/2013 - Thank you for showing the location of existing signage as well as the
replacement location. Please clarify what type of sign the note "relocated sign location" is
referring to.
11. 2/8/2013 — The curb ramp configuration is still being discussed. I will follow up with your
shortly on this item.
SHEET 9 — RP-01— ROAD & STORM DRAINAGE PROFILES
1. ok
SHEET 10 — VT-01— DETENTION & WATER QUALITY DETAILS
1. ok
Page 4 of 6
2. ok
3. ok
4. 2/8/2013 — Thank you for submitting structural plans and calcs. The design is currently
under review and any comments will follow these plan comments.
12/3/2012 - Please submit structural calculations for the detention vault. If the vault is not a
pre -cast vault then peer review will likely be required and cost will be pass -through to the
owner/applicant.
SHEET 11 — RD-01 — ROAD & STORM DRAINAGE DETAILS
1. ok
2. ok
SHEET 12 — SW-01 — SANITARY SEWER & WATER PLAN
1. ok
2. 2/8/2013 — Please also add note next to the 8" RSGV callout to specify FL x MJ fitting.
12/3/2012 comment - Refer to City standard detail E7.18.1 for connection to water main in 76th
Ave W. In line valves on the existing main are not required and notes shall be added to plans to
reflect this deviation from the standard detail. Call out parts requirements:
a. 1-8"MJxFLTee
b. 2 8" x 6" reducers PE x MJ
c. 2 — 6" long body couplings
d. 1 8" RSGV
3. ok
4. ok
5. 2/8/2013 — It doesn't look as though there is sufficient room between the back of sidewalk
and the property line for the water meters. If this is the case, then additional right-of-way
or easement area (specifically designated for COE) will need to be provided.
12/3/2012 comment - Water meters shall be located within the City right-of-way at back of
sidewalk.
6. ok
7. 2/8/2013 — Thank you for providing the additional information. Please revise the DI tee
callout to state MJ x FL instead of FL x MJ. Please also add callout for an 8" x 4"
reducer.
12/3/2012 comment - Callout all required parts for fire hydrant connection.
8. ok
9. ok
10. ok
11. ok
12. ok
13. 2/8/2013 — Response letter from Blueline states: We show no obstructions at this time.
Driveway for Lot 6 will provide access to SSMH #1 from the public roadway. We are
waiting on staff comments about the required offset distance to run a fence parallel to the
sewer main along with access requirements for fences crossing perpendicular to the
easements.
City response: Please see comment 3 under Sheet 7 above.
Page 5 of 6
12/3/2012 comment - Access from the public road to SSMH 1 and the existing sanitary sewer
manhole will need to be provided. Surface does not have to be hard surface, but nothing shall
be constructed so as to block access to the manholes.
14. ok
15. 2/8/2013 — Please provide a minimum 10-foot separation between the water main and
sanitary sewer main. Sorry to have missed this during the last review.
16. 2/8/2013 — Please revise the blow -off as shown at the end of the water main to be tapped
directly off the main line and not out of the cap at the end of the main.
17. 2/8/2013 — Due to the low volume of flows in the sewer main line, please revise all main
connections to be wyes instead of tees.
18. 2/8/2013 — Please add note to existing sewer manhole that it shall be re -channeled to
accommodate the new flows entering the manhole.
19. 2/8/2013 — Additional discussions have been had regarding the connection to the existing
sewer manhole and concerns related to ground water/dewatering, soil conditions, etc. Has
your geotech looked at soils here and has any thought been given to what the trench
section will look like with construction of the sewer main? How about dewatering? Are
you proposing to have baker tanks on site during this process? In addition, due to the
high flows in the existing sewer main, it is now being recommended that the connection at
this manhole match at least crown of the existing pipe and maybe even be placed at an
elevation above that. This would certainly make connection at the manhole less
complicated.
SHEET 15 — TC-01 — TRAFFIC CONTROL AND HAUL ROUTE PLAN
1. 2/7/2013 - Please revise plan to be consistent with the sample traffic control plans provided
in City handout E81, available on the City website via the following link:
http://www.edmondswa. ov/�images/COE/Government/Departments/Development_ Services/Bui
Wing Division/Forms_Handouts/E81-Traffic Control Requirements.pdf
a. Clearly show travel lanes
b. Provide reference to channelization devices, spacing, etc.
c. Provide a traffic control plan for each phase of construction. Connection to the
water main for instance, will require more than just a shoulder closure.
12/3/2012 comment - Please submit a traffic control and haul route plan for review and
approval.
Please contact me at 425-771-0220 or by e-mail at Jeanie.mcconnell(aedmondswa.2ov if you
have specific questions regarding these plan corrections.
Page 6 of 6