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Tuesday, July 17, 2012
Claudia Bingham Baker, WSDOT Communications, 360-357-2789
SHELTON – Construction crews will begin repairs Monday, July 23, to a section of existing retaining wall along State Route 3 just north of Shelton. During the work, a temporary traffic signal will maintain the alternating lane of traffic through the work zone. Motorists are advised to expect delays up to 15 minutes during daytime hours and up to 30 minutes between 10 p.m. and 4 a.m.
The existing crib retaining wall at the top of a steep hillside supporting SR 3 was damaged during a slide caused by heavy rains in mid-March. WSDOT immediately closed one lane of the highway and installed a temporary signal for traffic control to maintain safety. WSDOT expedited the design of a replacement wall and hired contractor Rognlin’s Inc. of Aberdeen for $1.3 million to rebuild the wall through an emergency contract.
Rognlin’s will replace a 120-foot crib wall section that was compromised by the slide with a soldier pile wall. An adjacent section of the crib wall was replaced with a soldier pile wall in 1993 following a similar slide event.
Soldier pile walls are made by driving H-shaped steel piles deep into the slope and reinforcing them with ground anchors. Horizontal timbers will be installed between the piles to stabilize the steep slope and restore the roadway. The $1.3-million repair will be complete this fall.
To learn more about WSDOT maintenance or construction activities that may impact traffic, please visit www.wsdot.wa.gov/Regions/Olympic/Construction/.
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