Engineering Requirements.pdfCITY OF EDMONDS
121 - 5TH AVENUE NORTH, EDMONDS, WA 98020
PUBLIC WORKS DEPARTMENT - ENGINEERING DIVISION
REQUIREMENTS FOR PLATS
To: Planning Division File Number: PLN20180034
From: JoAnne Zulauf, Engineering Technician
Engineering Division
Date: October 9, 2018
Project: Select Homes Westhaven 10 Lot Plat
Address: 21511 98th Ave W
Required as a
Required as a
Requirement
Condition of
Condition of
Already
Subdivision
Building Permit
Satisfied
1. Right -of Way Dedication for Public Streets:
a) A cul-de-sac within the plat shall be paved, classified and dedicated to the
City of Edmonds as a public street. The right-of-way width shall be a
X
minimum of a 37 foot radius. (8 feet along back of right of way will be an
exclusive easement granted to the City)
2. Public Street Improvements & Access
(Asphalt, curb, gutter and sidewalks).
b) Curb and gutter shall be provided along property frontage on 215th PI W
X
as required to comply with City standards and requirements.
9) 5 ft sidewalk shall be provided along property frontage on 215th PI W as
X
required to comply with City standards and requirements.
h) Sidewalk shall not be required along the frontage on 98 Ave W. The
street is classified as local and therefore only requires sidewalk to be
constructed on one side of the street. Sidewalk has already been
X
established on the west side of 98th Ave W.
j) Cross slope of public road shall not exceed 2%
X
k) Lots 5 through 10 shall take access off 215th PI W via cul-de-sac. Lots 1
X
through 4 shall take access off 98th Ave W via separate driveways.
i. Driveway curb cuts shall be constructed to meet City standards and
ADA requirements.
ii. Individual driveway access points shall meet sight distance
requirements set forth by the American Association of State Highway and
Transportation Officials (AASHTO).
3. Private Access Requirements & Improvements:
a) Lots 6 and 7 shall share a private driveway, and Lots 8 and 9 shall share
a private driveway. Both access from 215th PI W.
X
i. Shared private drives shall be paved to a minimum of 12.0-feet in width,
plus 18" asphalt thickened edge or 6-inch concrete extruded curb may be
used to direct storm flows.
ii. Slope of private access road and driveways shall comply with City
Codes and standards.
iii. Cross slope of private access road shall not exceed 2%
c) Driveway entrance for each point of access shall be provided to City
standards
X
f) Slope of private access road and driveways shall comply with City codes
and standards.
X
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Westhaven ENGR RQMNTS - PLATS.xlsx printed 10/9/2018
Required as a
Required as a
Requirement
Condition of
Condition of
Already
Subdivision
Building Permit
Satisfied
4. Street Turnaround:
b) Construct cul-de-sac at end of 215th PI W to City standards
X
5. Easements
(City utilities, private access, other utilities):
a) Provide all easements as required - access, utility, etc.
X
b)
An exclusive 8 foot easement shall be granted to the City of Edmonds
X
extending from the back of curb of the cul-de-sac. The easement
shall be 5 ft for public sidewalk and 3 ft for water and sewer utilities.
c) Lot 6 through 8 shall take access off private access drives.
X
d) Private access easements shall be 15 (fifteen) feet in width
X
6. Street Li hts:
a) N/A
X
7. Street Trees/Planting Strip
a) N/A
X
8. Water System Im rovements (COE):
a) Applicant must meet requirements set forth by City of Edmonds for
connection to public water system.
X
b) Install 8" ductile iron pipe water main in proposed public street.
X
c) Public hydrant spacing shall meet requirements of ECDC 19.25.
X
d) Provide water service stub to each Lot
X
e) Connect to public water system.
X
X
Q Install storz adapter on existing fire hydrant, as required.
X
9. Sanitary Sewer System Improvements (COE):
a) Applicant must meet requirements set forth by City of Edmonds for
connection to public sewer system.
X
b) Install 8" sewer main in proposed public street with manholes as required.
X
c) Provide new 6" service lateral from City's sanitary sewer main to
development with 6" cleanout behind sidewalk in the water and sewer
X
easement.
i. Provide new 4" side sewer to individual lots.
X
ii. Where side sewer is shared by more than one lot, it shall be 6".
X
d) Connect to public sewer system.
X
X
10. Stormwater System Improvements:
a) Provide a Stormwater Management Report and Site Plan that shows
compliance with ECDC 18.30, Stormwater Addendum and 2014
X
Department of Ecology Stormwater Manual.
i. Stormwater management design shall account for proposed short plat
improvements and future lot development.
ii. Stormwater management system to be located on private property.
b) Construct privately owned and maintained stormwater management
system..
X
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Westhaven ENGR RQMNTS - PLATS.xlsx printed 10/9/2018
Required as a
Condition of
Subdivision
Required as a
Condition of
Building Permit
Requirement
Already
Satisfied
i. Construction of Low Impact Development BMP's for individual lots may
be deferred to the single family building permit with condition of
construction deferral noted as such on the face of the plat map.
X
X
c) Connect all new hard surfaces to storm system as required.
X
X
d) Provide storm sewer stub to all proposed lots, as applicable.
X
e) Connect to public storm system or manage stormwater on site if soils
allow.
X
X
f) Storm catch basins shall be installed in gutter flow line, as required.
11. Underground Wiring (per Ord. 1387 :
a) Required for all new services.
12. Excavation and Grading (per IBC
a) Submit a grading plan as part of engineered site plan.
X
X
X
X
X
b) Submit grading plan for foundations with building permit.
X
13. Si na a and Striping (per City Engineer):
a) All signs shall be vinyl letters and to City standards.
X
d) Provide "No Parking - Fire Lane" signage/striping as required by Fire
Dept.
X
c) Install fire and aid address signage.
X
14. Survey Monumentation(per Ord., Sect. 12.10.120 :
a) Provide concrete monument and case at the center of cul-de- sac, as
required.
X
15. As -built Drawin s(per City Engineer):
a) Provide an as -built drawing of all street and utility improvements both in
electronic format as well as a hard copy.
X
X
16. Other Requirements:
a) Plat showing lots, easements, legals, survey information
X
X
b) Legal documents for each lot
X
c) Field stake lot corners (by professional surveyor)
X
d) Field stake utility stubs at property lines
X
e) Clustered mailbox location per Postmaster
X
f) Maintenance agreements
g) Transportation Impact Study
h) Transportation Impact Fee Analysis
X
X
X
17. Engineering Fees:
a) Storm system development charge (public road & shared hard surface)
X
X
b) Storm system development charge (each new lot)
c) Sewer general facility charge
X
c) Sewer connection fees per OVWSD
d) Water general facility charge
X
d) Water connection fees per OVWSD
e) Water meter fee
X
e) Water meter fees per OVWSD
f) Transportation impact fee per each new SFR
X
g) Parks impact fees
X
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Westhaven ENGR RQMNTS - PLATS.xlsx printed 10/9/2018
Required as a
Condition of
Subdivision
Required as a
Condition of
Building Permit
Requirement
Already
Satisfied
h) Plat civil plan review fee
X
X
i) Right -of -Way Construction Permit
j) Inspection fees
X
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Westhaven ENGR RQMNTS - PLATS.xlsx printed 10/9/2018