Dayton Street Utility Improvements

Project Limits


Dayton Street 3rd to 9th Ave Utility Replacement 

This project provides for the replacement and rehabilitation of Stormwater, Sewer and Potable Water Utilities along with ADA ramp improvements at the intersections of Dayton and 6th, 7th, 8th, and 9th and the addition of the missing link of sidewalk on the south side of Dayton from 7th to 8th.


·   Replace and upsize existing utilities on Dayton from 3rd to 9th including:

o   3800 feet  of Water Pipe replaced

o   4300 feet of Sewer Pipe replaced

o   3200 feet  of Storm Pipe replaced

·        ·  New sidewalk on the south side of Dayton between 7th & 8th.

·        ·  Dayton Street to be rebuilt and paved along project limits.

·        ·   Pedestrian curb ramps to be constructed to meet ADA standards.

·  Revise sidewalk/intersection geometry at Dayton and 6th, 7th, and 8th, & 9th.


·        ·  Existing storm pipe system is undersized and causes flooding in the downtown area during heavy rainstorms.

·  Water and Sewer Pipes are at or near the end of their lifespan and are in need of upsizing and rehabilitation.


·        ·  Estimated Design Completion end of 2018.

·        ·  Construction expected to start by early spring 2019.

·        ·  Construction expected to be divided by blocks/sections/areas.

· Starting at 3rd & Dayton required due to Sewer and Storm pipes being gravity driven.


·        ·  Project divided in two phases (one in 2019 and one in 2020)

o   3rd to 5th +/- (Phase 1, Spring 2019 to Fall 2019)

§  Sewer pipe rehabilitation work between 6th and 9th may be part of phase 1.

o   5th to 9th (Phase 2, Spring 2020 to Fall 2020)

·        ·  Except for only a few days during the project 5th & Dayton expected to remain open.

·        ·  Will look into possibility of work on certain Saturdays.

·        ·  Keeping roads open and making the block that is being built on one way.  Possible occasional one day intersection/block closures to through car traffic, especially between 3rd and 6th.

§  One way/one lane shifting

·  Sidewalks will be accessible by foot traffic.


·  Sidewalks will remain open except for temporary closures to protect pedestrians during construction activities.

·  Intersections may be closed for short durations (1-2 days) for vehicle and pedestrian safety.

·  Street segments under construction will have one-lane open to vehicle traffic.

·  Daytime construction activities may require flaggers and one-way traffic control.


 ·  Construction costs estimated to be $7 million.

Schematic Utility Peplacement Design: (click image to enlarge)

Dayton scroll plot


Utility Section near 5th & Dayton: (click image to enlarge)


Dayton Street Project Contact

Michele (Mike) De Lilla, PE, LEED AP
Design Phase
Senior Utilities Engineer
425-771-0220 x1320 (office)

Rob English, PE
City Engineer
425-771-0220 x1327

Public Works Engineering Division
City Hall - Second Floor
121 5th Ave N
Edmonds, WA 98020

Phone: (425) 771-0220
Fax: (425) 672-5750

Public Hours:
8:00am to 4:30pm - M, T, Th, F
Wed 8:30am to Noon

Closed Weekends and Holidays

Engineering Capital Project Staff
Engineering Development Staff