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April 10, 2017

NE 124th Street slide

Jeremey Ferguson, Traffic and Roads Maintenance Section Manager, narrator

[Music plays, King County logo is displayed.] [King County Road Services Maintenance Manager, Jeremy Ferguson speaks.] We’re out here at NE 124th Street near Duvall, this is our first day of construction on the road repair for 124th.  We’re going to be relocating some drainage and fiber optic lines, getting them out of the way, then we’re going to get down onto the slide area behind me and we’ll be working 10-12 hour days, six days a week for about the next three to three and a half weeks to dig out the slide debris, bring in new rock, and do some plantings and then come in finally with gravel and asphalt. And hopefully get this road restored to two lanes. Throughout this project our priority is maintaining emergency access for the community above. There’s about 150 homes at the top of this hill and we want to make sure that the fire districts, the school districts and emergency responders can get in and out and access as well as providing the daily commute options for the citizens that live at the top of the hill.  So we committed to keeping one lane open almost all the time.  We’ve limited our construction to 30 minute periods of road closure to make sure that people can still get in and out of their homes.   Learn more about this and other projects at [Music fades - end.]

March 2017

Novelty Hill Road repairs

[Music plays, King County logo displayed.]  [Video of pavement grinding machine at work.] Text displayed: Location - Selection locations on NE Novelty Hill Road from 208th Avenue NE to West Snoqualmie Valley Road NE.  Text displayed: King County Road Services crews are grinding out sections of crumbling asphalt and replacing them with hot mix asphalt (temporary square-cut patching). [Video of crew member behind grinder, crew members with shovels, machine laying hot mix asphalt which crews with shovels spread into newly cut sections of road.] Text displayed: This work is a necessary interim solution to keep the road safe until a permanent asphalt repair can be done in spring or summer of 2017. Text displayed: Learn more about this and other projects at [Music fades - end.]

April 10, 2017

NE 169th Place road repair

Jeremey Ferguson, Traffic and Roads Maintenance Section Manager, narrator

[King County logo displays, then Jeremy Ferguson is shown on the scene.]  We're out on NE 169th Place with our division maintenance crews as they do some grinding and asphalt repair work on this road that was significantly impacted by winter weather. What's created some issues out here is the water under the roadway. [Video of water running on newly ground-up road.]  This water finds the path of least resistance, and in the winter time when the water freezes, then when it it expands and it thaws and contracts, then what you see is the result here—the asphalt looks like alligator skin, we call it "alligatoring"—and in some parts where we get potholes that boil up and break open, we call those "frost boils." [Video shows cracked asphalt road.]  So the repair work that we're doing here today is grinding out the alligatored section of roadway [Video: Grinding machine at work] and these frost boils, we'll lay some new gravel, and some geotechnical fabric and then we'll come over the top of that with fresh hot mix asphalt. [Video: Paving machine with crews laying hot mix asphalt.] Text displayed: Learn more about this and other projects at

April 12, 2017

Duvall road bridge repairs

Jeremey Ferguson, Traffic and Roads Maintenance Section Manager, narrator

[Music plays, King County logo is displayed, then Jeremy Ferguson is shown on scene beneath a short span bridge.] So we are standing out underneath one of the short span bridges on the Woodinville-Duvall Road just outside of the city of Duvall. [Video of cars going over the short span bridge.]  Woodinville-Duvall Road is made up of a number of these short span bridges that you see behind me that we have to do maintenance work on in the summertime. [Video of grasses and water under bridge and of the bridge abutments.]  Because of the water rising and falling throughout the season, it scours out the bridge abutments and occasionally we have to come in and do some work on either side of it to prevent the settlement of the pavement before the bridge abutments, [video of cracks on bridge deck] so in the summer we're going to dig in, do some replacement of materials, wrap gravel in some geotechnical fabric like a burrito, pack it back in and repave so it creates a smooth transition. [Video of rocks under bridge.] Text displayed: Learn more about this and other projects at [Music plays and fades out - end.]

Dec. 8, 2016

King County Road Services preparing for snow & ice

Tony Ledbetter, Field Operations Manager, Traffic and Roads Maintenance Section, narrator

[Music plays and King County logo is displayed.] My name is Tony Ledbetter, I'm the Field Operations Manager for King County. [Video of de-icer/sander truck in maintenance yard.] We've already been in this cold snap for a few days so we've been out watching the roadways, we been watching weather reports, we've been putting anti-icer on the roadway and also sanding and salting some of those spots where anti-icer won't work. What this does is buy us some time head of the snow falling, so until it's diluted enough, it will actually prohibit the forming of ice on the roadway. What we want to do with the salt is have it hit the roadway where it forms little pockets and that allows the grit of the sand that we mix with it to actually stay on the roadway, because sand itself, it's frozen, it hits the frozen roadway and it acts like marbles. So what salt does, it's just like when you were a kid putting salt on an ice cube, it cuts its way in a little bit, makes a little pocket, and helps put some grit on that roadway so cards don't slip as much. [Music fades - end.]

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