Page 18 April 2018
Last Phase of Charbonneau High Priority Utility Repairs are Underway
By Zach Weigel
Construction of the last phase of Charbonneau high-priority utility repairs began in March. The planned work involves the repair and rehabilitation of failing utility lines that are broken, partially collapsed or sagging.
This project consists of pipelines that were identified as being the most deficient and given the highest priority for repair as part of the Charbonneau Consolidated Improvement Plan, a 25-year plan to upgrade and improve deficient Charbonneau infrastructure which was approved by City Council in August 2014. This project represents the last of three phases to correct these most deficient, highpriority pipelines within the Charbonneau District. The first phase of construction was completed in December 2016, and the second phase wrapped up just last month.
Upon completion of the highpriority utility repairs this summer, the focus of the Charbonneau utility improvements will shift from spot repairs to a more comprehensive replacement of deficient utilities within a specific area. Design of the first project of this type is scheduled to begin next year and focus on the
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Construction of the last phase of high-priority utility improvements includes repair of 1,500 feet of cracked and corroded storm pipe using a technique called Cured-In-Place Pipe( CIPP). This method of construction consists of inserting a resin-filled liner through the old pipe that is inflated and steam cured to create a new pipe inside of the old one. This construction method moves along quickly, about a couple of blocks per day. However, the CIPP process generates a lot of noise and steam during installation and can cause a styrene odor during the curing process that is noticeable but is not harmful.
In some instances, the size and condition of the failing pipelines does not allow for CIPP rehabilitation and the contractor must dig an open trench to repair and install new utility lines. This method of construction is much slower than CIPP, averaging a block per week. The project includes approximately 2,500 feet of open-trench replacement of storm pipeline in Charbonneau.
In addition to the pipeline work, the project also includes replacement of manholes and catch basins to current design standards which will improve drainage and maintenance access for utility workers. Service pipes servicing individual properties are also to be replaced within the roadway and an access port placed near the roadway curb.
Construction, which is anticipated to be complete in July, is to be performed by the City’ s contractor, Braun Construction & Design, on weekdays from 7 am to 5 pm with no work expected on the weekends.
Due to the number of job sites involved in this large-scale project, there may be periods of time where the work appears to have stopped. The contractor is likely performing similar types of work at one time- such as catch-basin installation, final paving, etc.- and is moving from site to site.
Community members should expect daytime road closures in the areas of active construction, but normal traffic operations are to be restored by 5 pm each day. Access for garbage service, deliveries and emergency vehicles are
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This chart shows the remaining streets affected by the City ' s utility repairs.
to be maintained throughout construction zones. Residents are to be provided access to their driveways during construction, but delays should be expected. During active construction, the contractor is planning to store materials- such as rock, pipe and equipment- nearby, along the side of the roadway and / or in nearby parking areas.
During active construction, residents should plan for additional travel time and noise and dust from construction. Interruption of utility services is not anticipated. However, there may be instances where residents will be asked not to run appliances with heavy water use( dish or clothes washer), flush your toilet or take a shower for a couple of hours at a time. Also, not all utility providers know where their cables are located underground, so interruption of cable, phone and internet service is possible during the work. The contractor will coordinate with utility service providers to restore service interruptions as quickly as possible.
To follow construction progress and get weekly updates, visit the project website at http:// www. ci. wilsonville. or. us / 651 / Char- bonneau-High-Priority-Utility- Repair, or join the“ Charbonneau Country Club” Facebook page. Weekly updates are provided to homeowner associations within the work area. Copies of the project construction map are available at the Charbonneau Clubhouse.
For more information, contact the City’ s project manager, Zach Weigel, at 503-570-1565 or by email at weigel @ ci. wilsonville. or. us.