BLD2015038_Olson_ENG1.pdf
City of EdmondsBLD20150038
TH
121 5AVENUE NORTHEDMONDS, WA 98020 • (425) 771-0220 FAX (425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
PermitApplication:Date:
#BLD20150038February 23, 2015
Project Name/Address:
Olson -9221 Olympic View Dr
Contact Person/Address, Fax or E-mail:
scott@ronscotthomes.com
Reviewer: JENNIFERLAMBERTDivision:
ENGINEERING
During review of the subject submittal, it was found that the following information, corrections, or
clarifications would need to be addressed. All Handouts referred to in these comments can be accessed at
our website: www.edmondswa.govunder City Government / Development Services Department /
Engineering Division then scroll down to Handouts:
SITE DEVELOEMENT PLAN –Sheet C2 of 5
General
1)Please revise note one to read ‘2014 WSDOT/APWA Standard…”.
2)Per the short plat civils the proposed retaining wallis a different length and location from the proposed
retaining wall shown on the recentsingle family residencesubmittal.
a.If the retaining wall was installed with the short plat, as shown on the short platplans, please
show how the retaining wall drainagewill be modified and connected to the infiltration system.
b.If the wall has not been installed, please show where the retaining wall drainage discharging to
the infiltration system.
c.Please show that there is a minimum of 2’ of coverage over the retaining wall drainage line
under the driveway.
3)Per the recording documents and approved short plat civils there is an easement and proposed
infiltration systemalong the north property linefor the stormwater runoff from the road. Per the plans
submitted for the single family residence the infiltration system is proposed along the west property line
and outside of the easement.
a.Please show the infiltration system for the surface water runoff from the road within the recorded
easement or,
b.show a new easement located where the proposed infiltration system is located.
DATE E-MAILED2/23/2015PAGE (1)
City of EdmondsBLD20150038
TH
121 5AVENUE NORTHEDMONDS, WA 98020 • (425) 771-0220 FAX (425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
c.If the easement is to be relocated, the recording documents will need to be revised prior to final
construction approval of the single family residence.
WATER
1)Clearly distinguish the portions of the water service line that was installed with the short plat and the
portion proposed to be installed.
2)It appears that a fire sprinkler system is required for this property. Please verify that the meter installed
is a 1” meter.
3)Please label the water service line as 1 ½” and note the pipe material and tracer wire.
4)Please show that there is a minimum of 10’ separation from the sewer and water.
SEWER
1)Please show the sewer from the main to the house.
2)Please provide invert elevations so that slope and pipe coverage can be verified.
3)Clearly distinguish the portions of the sewer that was installed with the short plat and the portion
proposed to be installed.
4)Please show a 6” sewer cleanoutas approved with the short plat.
5)Show that there is a minimum of 10’ separation from the sewer and water.
STORM
1)Please provide a separate detail showing exactly what areas and the amounts are discharging to each
infiltration system.
2)A portion of the surface water runoff form the driveway appears to be discharging totrench A; however,
per the Stormwater Report, the infiltration trench ‘A’ is designed only for roofs, front porch/stairway
only.Please revise the infiltration system or stormwater report to
3)Clearly distinguish the portions of the storm that was installed with the short plat and the portions
proposed to be installed.
DATE E-MAILED2/23/2015PAGE (2)
City of EdmondsBLD20150038
TH
121 5AVENUE NORTHEDMONDS, WA 98020 • (425) 771-0220 FAX (425) 771-0221
Website: www.ci.edmonds.wa.us
PUBLIC WORK DEPARTMENT
Planning • Building • Engineering
Engineering Plan Review Comments
4)Please show the connection of the roof drains to the stormwater management system.
5)Please show the connection of the footing drains to the stormwater system.
6)Please clearly show how the runoff from the south driveway will becollected and discharged to
infiltration trench B.
7)The rock used in the infiltration trench should beWSDOT (9-03.12(5)) washed rock 1-1/2”. I will
redline the detail so that you don’t have to submit a new plan sheet.
DRY UTILITIES
1)Please show all the utilities to the house (i.e. power, phone,cable, gas, etc.). There must be a minimum
of 3’ separation from the dry utilities and water, sewer, storm.
GRADING AND TE & SC PLAN –Sheet C3 of 5
1)Pleasenote that engineering does not require a pre-construction meeting, but one can occur ifdesired.
Please resubmit 3 copies of the revised plansand associated documents with a written response to each
item to a Permit Coordinator. Please contact me at 425-771-0220ext 1321or by e-mail at
jennifer.lambert@ci.edmonds.wa.usif you have specific questions regarding these plan corrections.
DATE E-MAILED2/23/2015PAGE (3)