Public Works

Knowles Road

Knowles Road

History

The Knowles Road improvement project is an important project for Sunnyslope, one of the fastest growing residential areas near Wenatchee. At this time, Knowles Road does not sufficiently serve this rapidly developing area; the roadway is narrow and lacks pedestrian and bike facilities. Improvements also are needed to correct ongoing drainage issues that damage the road’s surface and shoulders.

Not only does Knowles Road not serve current needs, but it also does not serve future needs. The land use forecast for the Sunnyslope area, served by Knowles Road, projects that use will double in the next 20 years, creating new travel demands to the already deficient route. The community needs this project, which will be done in two phases, to improve safety on the existing narrow roadway and to provide alternate means of commuting to work or nearby Sunnyslope Elementary School.

 

Project Description & Benefits

The section of Knowles Road from School Street to American Fruit Road will be rebuilt first by establishing a consistent, 32-foot road width (11-foot lanes and 5-foot shoulders) and improving the road structure for a smoother ride and a shared multi-use shoulder. The American Fruit Road and Knowles Road intersection also will be improved for enhanced sight distance and maneuverability.

Curb and gutter, along with 5-foot wide sidewalk on the west side of Knowles Road, also will be constructed. Additional stormwater facilities will be installed where new curb and gutter is proposed, correcting drainage issues and preventing further damage to the roadway surface and shoulders. When completed, the Knowles project will improve roadway safety for pedestrians, bicyclists and motorists.

During the project, Chelan PUD also is planning to replace about 1,400 feet of existing 4-inch steel water main with about 2,200 feet of new 8-inch ductile iron main.  The timing of the Knowles Road project is well suited for replacement of the steel water main, which is at the end of its useful life. The new, larger main will increase capacity and the reliability of the water system in the area. The project also includes installing four new fire hydrants and replacing six customer connections.

 

 

Construction Schedule

A construction contractor will be determined by low bid this winter, with construction anticipated for spring/summer 2022. Construction is expected to take 10 weeks. People may see some work, such as the relocation of utilities, before construction begins.

During construction, the road will be down to one lane at times, with flaggers directing traffic. Homeowners will be able to access their properties. A detour may be put into place; however, the roadway will not be closed to property owners, to mail or delivery services, to garbage collection, or other utility services. We will contact the Wenatchee School District, public transit, the post office and Waste Management to alert them to the start of the project when we have a starting date.

 

Funding

The $2.5 million construction project has been awarded a nearly $1.4 million grant from the state Transportation Improvement Board’s Urban Arterial Program. It will also be paid for with local county road funds, Chelan County Stormwater Utility funds and dollars obtained through a Developer’s Voluntary Mitigation Agreement.

 

Receive Project Updates

As we have updates on the project, including when we have a construction start date, we will send them out on the project’s listserv. Sign up for emailed updates online, or email us at public.works@co.chelan.wa.us.

 

Questions?

Email us at public.works@co.chelan.wa.us, or call Chelan County Public Works at 667-6415.

 

Frequently Asked Questions

The first section of Knowles Road to be improved is from School Street to American Fruit Road and includes the American Fruit and Knowles roads intersection as well as the School Street and Knowles Road intersection. The section of improvements, which is not yet funded and does not have a start date, will be above American Fruit Road.

Access to your property will be maintained throughout the project.  With construction, driveways along the project area will be tied into the new road. When this happens, homeowners will be notified by the contractor of any impacts.  A detour may be considered during construction for thru-traffic.

A detention pond will be constructed in the natural drainageway across the road from the northern half of the cemetery.  It is designed to treat stormwater runoff from the roadway.  In addition to the roadway, it has a flood control zone element and has been sized to mitigate water runoff from the Sunnyslope Basin.

This project is the first of two road improvement projects on Knowles Road. When both projects are complete there will be a consistent roadway width and will tie into the upper section of Knowles Road with sidewalk (Sunny Meadows Loop vicinity). The improvement project above American Fruit Road, isn’t currently funded. 

The contractor will be selected by low bid this upcoming winter, with construction anticipated for spring/summer 2022.  Property owners may see some work prior to the start date, such as utilities being relocated in advance of the project.

If mailboxes are within the clear zone (10 feet from the white fog line on the side of the paved road), they will be replaced.  The same mailbox will be reused but placed on a new crashworthy stand that is safe for motorists.

During construction, water outages will be required for connections of the new main to the existing main, and for connecting customer service lines from existing to new meter chambers. Affected customers will be notified by Chelan PUD of scheduled outages 24 to 48 hours in advance of when the outage will occur. 

In partnership with Chelan County, Chelan PUD is planning to replace about 1,400 feet of existing 4-inch steel water main with about 2,200 feet of new 8-inch ductile iron main.  The timing of the project is well suited for replacement of the steel water main, which is at the end of its useful life. The new 8-inch main will increase capacity and reliability of the water system in the area. The project also includes installing four new fire hydrants and replacing six customer connections.

During construction, water outages will be required for connections of the new main to the existing main and for connecting customer service lines from existing to new meter chambers.  Affected customers will be notified of scheduled outages 24 to 48-hours in advance of when the outage will occur. For questions about the water main replacement, contact Chelan PUD.

Posted: 01/28/2021 09:26 AM
Last Updated: 02/17/2021 12:41 PM

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