Update on Edmonds

Below is a short summary and highlights of our three annual replacement projects (water, storm, and sewer utility). The main goal for these projects is to repair or replace existing pipes and associated infrastructure for each respective utility. The replacements/repairs are driven by various factors such as age, material, condition, need to add capacity and resiliency. The monies used to fund each of these respective projects comes from each utility’s respective charges in the City’s bimonthly utility billing, to Edmonds residents and businesses, which it serves.

WATER

Site Locations

  • Swedish Hospital
  • 215th St from 76th Ave W to 73rd Pl W
  • 73rd from 215th to 216th St SW
  • 2nd Ave S at theoretical crossing with SR 104

Construction continues to progress near Swedish Hospital site and under SR-104 at the theoretical intersection with 2nd Ave. The pipes at the Swedish site have been installed and brought online and the aging 6” water meter supplying water to the hospital has been replaced. A big thank you to all Swedish staff for the support and coordination to ensure that the water supply to the hospital was not interrupted during this work. The replaced system provides additional resiliency and redundancies needed for fire emergencies for both the hospital complex and the commercial businesses in that part of the City. The improvements will also allow City maintenance staff the ability to service the hospital’s water meter vault without needing to shut down the water supply to the hospital. In addition, the meter relocation is such that the hospital’s loading dock and access road used for large supply shipments to and from the hospital does not need to be shut down if the City needs to maintain the water meter or maintain the nearby City owned water mains. 

Swedish 1 Swedish 2Swedish 3

 2nd SR104

STORM

The 2020 replacement project will install new 18-inch and 24-inch diameter storm water conveyance pipes in 88th Ave W from Olympic View Drive to 185th St. W. Construction is scheduled to start at the beginning of August and end in October. The pipes for this project are being replaced because they are heavily corroded and holes in the pipe have started to develop. These holes would eventually lead to sinkholes in the roadway at this location, in the near future, if the pipes are not replaced.

SEWER

Site Locations
10 separate locations across the city (see map)

The contractor is expected to be mobilizing at the first site at the intersection of Alder St and 11th Ave S for a spot repair the week of July 20th. The majority of the projects will address pipes that have an adverse slope. The adverse slope increases blockages in the pipe and requires City Maintenance crews to visit these sites multiple times a year for cleaning and unclogging purposes. The two remaining sites are a pipe run that is made out of concrete and is heavily damaged due to corrosive sewer gases (near the intersection of 195th and 76th) and a spot modification to improve the resiliency of our largest sewer lift station (Lift Station 1) during high flow events (located at 2nd and Edmonds).   The repairs and replacements will address these issues by fixing the slope issues and replacing the corroded pipe using PVC pipes which are not affected by that corrosive nature of sewer gas and are more easily installed and maintained. The resiliency modification will remove an interconnection that could divert sewage toward Lift Station 1 during high flow events, instead of flowing directly by gravity to our Wastewater Treatment Plant. Project completion is expected late December.

 

WATERFRONT REDEVELOPMENT PROJECT

waterfront 2waterfront 1Construction for the Waterfront Redevelopment Project has been proceeding since February 6th 2020. In late March the project was suspended for seven weeks due to COVID-19. Construction activities have been focused upon a new seawall that will create a beach cove in place of the existing timber bulkhead. Steel sheet piles have been driven and concrete has been poured for the pile caps, seawall and beach ramp. The project has overcome several unforeseen challenges including the discovery of low level contaminated soil and sizeable underground pockets of sawdust, reminding us that the Edmonds waterfront was once home to numerous shingle mills during the early 1900’s. The soil was hauled off to a waste disposal facility in Seattle and the sawdust was over-excavated and replaced with a rock base and concrete blocks. Work has also begun on frontage improvements along Railroad Avenue, including the construction of bioretention planters, storm drainage and gravel base for new sidewalks. The Waterfront Redevelopment contractor, W.G. Clark Construction Company, has also been building the new Waterfront Center building since June 2019. Both projects are scheduled to be complete by mid-Autumn 2020.

 

DAYTON STREET UTILITY IMPROVEMENTS PROJECT

Dayton Street Utility copyPhase 2 of Dayton Street Utility Replacement is wrapping up! With paving of Dayton Street between 5th Ave and 9th Ave coming to an end, Phase 2 of the Dayton Street Utility Replacement Project is wrapping up! We’d like to thank the community around Dayton Street for their patience during this important project.

Dayton Pump Project Capitalizes on Low Commuter Traffic

A majority of the underground infrastructures has been completed for the Dayton Street Strom Water Pump Station project. The project installed a dual alternating pump system to work against rising tidal elevations and manage the flooding conditions that can sometimes occur around SR-104 and Dayton Street.  The pump system is not fully on-line yet as electrical and control components were impacted by COVID-19 and have been delayed.  However, the contractor was able to make use of the slow commuter traffic and minimal park pedestrian traffic to get a majority of the infrastructure installed, including the intercepting manholes out in Dayton Street which impacted access to the commuter parking lots. Work still remains to actually energize the pump and program the control mechanisms, but the physical pieces of the pump system are ready to be turned on once the control system is in place.  Some disruption to the parking lot area will be needed when the transformer and associated control panels are installed in the area currently protected by construction fencing, but further closures of park areas or Dayton Street are not anticipated.  The project also includes a rigorous start-up and testing procedure that will have to be completed before the City accepts the pump system, but we anticipate the pump being fully operation before the next wet-season.

2020 OVERLAY PROGRAM

This summer has seen a continuation of the City of Edmonds’ annual overlay program! Crews from Central Paving, LLC in Ellensburg moved into Edmonds at the end of May and got to work applying new pavement to various streets in the Talbot, Maplewood Park, and Meadowdale neighborhoods.

This year’s program includes the application of Kevlar fibers and a paving mat. Each of these tools is expected to decrease the lifecycle cost of our streets by adding strength and durability to the asphalt.

The contractor has a few remaining streets to complete in the vicinity of the Swedish campus, but the project is currently on hold pending arrival of a piece of equipment that’s experiencing COVID-related delays. This equipment will arrive in time to complete the last few streets in July and wrap up another successful year of protecting our City’s investment in roadway infrastructure.

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