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PRESORTED FIRST CLASS U.S. POSTAGE HIDDEN LAKE PAID Sewer Improvement Project WA PERMIT NO. 836 NEWSLETTER WINTER 2006/2007 Collaboration Hidden Lake Pump Station with Ronald & Sewer Improvement Project Wastewater CONSTRUCTION MOVES FORWARD! District ing County’s Hidden Lake Sewer Improvement Project will increase sewer improves CONSTRUCTION system reliability and protect public health and the environment by reducing sewer service MOVES FORWARD! Koverflows to . The county’s contractor, Frank Coluccio Construction The Ronald Wastewater District Company (FCCC) continues to make progress on all three projects, shown on the map (Ronald) collects wastewater on page 3. Construction is expected to continue until early 2009. Winter 2006/2007 from homes and businesses in Shoreline and delivers it to King County’s regional Boeing Creek Trunk Sewer conveyance and treatment Replacement underway in system. Ronald Wastewater District Richmond Beach has operated for the last 40 Crews installing new sewer pipe and years. For the Hidden Lake manholes for the Boeing Creek Trunk Sewer Improvement Project, Sewer have progressed from the King County and Ronald Richmond Beach Pump Station south worked closely to design local to the intersection of Northwest 196th and regional sewer connections Street and 23rd Avenue Northwest. that improved the capacity and A temporary patch has been placed reliability of both systems. on the road. Crews will pave As a result, the county’s contractor the final full-width overlay and is replacing some of Ronald’s (Continued from page one) widened asphalt shoulder when manholes and sewer pipes while Final paving will occur by the summer. Richmond Beach Sewer Replacement the weather warms up. More information? working on the county’s system. For example, the county’s new 500,000 n Call the 24-hour construction hotline at 206- The contractor has also begun work in Richmond Next, crews will continue south on Beach Saltwater Park. Part of the park has been gallon wastewater storage pipe in Boeing 23rd Avenue Northwest toward Richmond 205-5968. A staff person will be paged and Creek Park will replace Ronald’s existing fenced off for public safety, but the park and trails Beach Saltwater Park. Construction will respond promptly. 24-inch sewer line that runs through the will remain open. The contractor has constructed park. The new storage pipe will help prevent between Northwest 196th Street n Contact Jennifer Kauffman, King County Wastewater an access shaft to allow microtunneling of a and the park will require full street overflows to the Puget Sound during large Treatment Division, at 206-263-6029 or segment of the sewer between two private storms. closures during work hours. Local [email protected]. Ask to be homes. County staff will work with park users and and emergency access will be added to the project mailing list or e-mail list. During construction of the county’s new Boeing neighbors to provide information and minimize Creek Trunk Sewer, the county’s contractor will maintained. Work will be completed n Visit the project Web site at impacts. Work in Richmond Beach should be also construct new manholes and sewers for Ronald in segments, so fewer blocks will http://dnr.metrokc.gov/wtd/projects/ completed by summer 2007 and will then proceed in several locations. be closed at once. The streets will to Innis Arden. hiddenlake.htm By project completion in 2008, the partnership be opened to through traffic when between King County and Ronald Wastewater construction is not taking place. District will improve overall sewer service to Pedestrians, drivers and bicyclists residents in Richmond Beach and Innis Arden. should use extra caution and watch For more information on Ronald Wastewater District: for construction signs, vehicles Alternative Formats and activity. Flaggers will assist in n 206-263-6029 or 711 (TTY) Visit the Web site at www.ronaldwastewater.org directing traffic. n Or contact Michael Derrick, General Manager, New sewers installed in trench. at 206-546-2494 (Continued on page four) Printed on recycled paper. Please recycle. 24 hour construction hotline: 206-205-5968 Produced by: King County DNRP, WLR, GIS, Visual Communications & Web Unit Communications & Web WLR, GIS, Visual Produced by: King County DNRP, File name: 0701HLakeNews.indd mdev,sk 4 1 0701HLakeNews.indd, Spread 2 of 2 - Pages (2, 3) 1/17/07 9:27 AM

HIDDEN LAKE Sewer Improvement Project • WINTER 2006/2007 HIDDEN LAKE Sewer Improvement Project • WINTER 2006/2007 Construction near Boeing Creek Park Replace part of the Construction underway: Hidden Lake complete by late 2007 Boeing Creek Trunk Sewer • Complete construction by Sewer Improvement Project oeing Creek Park remains open to the late 2008. To Edmonds public during construction. Crews have • Use current sewer route. Treatment Plant completed installation of a 12-foot B • Replace about 12,000 feet SNOHOMISH COUNTY Trees in Boeing Creek diameter underground wastewater storage pipe. of sewer, including KING COUNTY Park are protected The 500,000 gallon storage pipe is about 640 corroded pipe. Richmond Beach feet long, and is made up of 67 concrete pipe • Replace about 5,000 feet of Pump Station during construction sections. Each section weighs 30 tons and has water mains for Seattle 99 Microtunneling machine Any construction project—even a 12-inch thick wall. The new pipe will limit Public Utilities. NW 196th St Greenwood N Ave

3rd Ave NW

a home addition—can affect overflows to Puget Sound. NW 195th St

124th12th Ave NW Ave NW trees, shrubs, and other plants. 8th Ave NW NW 195th St Crews are now constructing the underground Build a new 84th Ave NW Special care must be taken flow and odor control structures associated underground storage pipe to prevent damage to trees, NW 190 with the storage pipe. The contractor increased • Complete construction by th St especially the root zone that NW 188th St Aurora N Ave the capacity of the city’s storm water detention late 2007. RICHMOND NW Richmond B extends some distance from the BEACH each R pond and installed control materials • Build a 500,000-gallon pipe SALTWATER d trunk. PARK for the rainy season. In 2007, as part of a in Boeing Creek Park. 1 N 185th St C I T Y O F Project designers developed cooperative effort with the City of Shoreline, • Build underground flow and SHORELINE D a

plans for the wastewater storage crews will add additional capacity to the pond. y Tunneling machine enters flow odor control structures. t

o

n

pipe in Boeing Creek Park At the end of construction, the county will clean control structure in park A • Coordinate with the city’s New v e with trees in mind. Engineers up the park and plant a grass and wildflower mix. Underground N and park NW 14th Ave NW 14th Ave Storage established a location and Completion of the work by late 2007 will allow the City of Shoreline to begin park improvement projects. Hidden Lake Pipe Linden N Ave shape of the pipe that would improvements in 2008 with funds provided by the county. Pump Station N 175th St • Replace about 1,000 feet of Overflow 3rd

avoid as many trees as possible. pipe in the street by micro- NW NW Ave Ave The crews have also constructed new sewers under the streets near the park using a th 99 15th Ave NW 0 During construction, tree tunneling and trenching. 15th Ave NW 1 microtunneling machine (see photos). In spring 2007, crews will tunnel a new sewer Boeing 2 protection fences and signs were • Restore street after line down 10th Ave Northwest toward the Hidden Lake Pump Station. Work will be Creek installed to keep equipment and construction ends. ShoreviewPark completed in the spring and summer to minimize traffic conflicts with Shoreline NW 16th Ave NW SHORELINE materials away from the trees. In Park

n Fremont N Ave Aurora N Ave Community College. Closure of 10th Avenue Northwest to through traffic will be is 3 Ar COMMUNITY A certified arborist advised the den Replace Hidden Lake Wa required for about four months. Local and emergency access will be maintained. The Hidden Lake y contractor on limb tying and COLLEGE contractor will also have to open cut a smaller, shallower sewer in Northwest 175th Pump Station Pump Station root protection of trees near the Street, which will require single lane closures. • Complete construction by N 160th St construction area. early 2009. During the winter, typical work hours in Boeing Creek Park will be 7 a.m. to 8 or King County provided funding to Puget 8:30 p.m. M-F and Saturday from 9 a.m. – 6 p.m. Park users should • Use the existing site. the City of Shoreline to replace Sound Highland Rd obey trail detour signs and keep pets on leashes. People should expect • Increase the pumping trees that were located in the temporary parking and traffic impacts in the area, including intermittent capacity from 4.3 million path of construction. Some gallons per day to 6.8 mgd. Westminster Way N lane closures and detours. Flaggers will assist with directing traffic. SEATTLE GOLF downed trees were relocated as • Design building and AND habitat logs by the contractor landscape to fit the COUNTRY CLUB under direction of the City of community. Greenwood Ave N Greenwood Ave Shoreline Parks Department. Hidden Lake Pump Station Replacement • Select equipment to The Parks Department relocated optimize system operation a number of young trees planted rews are currently working on the walls of the new Hidden Lake Pump Station. and reduce odors and noise. by residents in Boeing Creek Once the building is completed in 2007, most work will move inside for about Park. These trees now live in a C a year. The pump station will take about two and one-half years to build, due # Project component number Existing sewer line Completed activity restoration area in neighboring to the complexity of the equipment inside, the need to switch flows from the old to Shoreview Park. new station, and eventual demolition of the existing building. The new station is Richmond Beach Boeing Creek Trunk Sewer Line N designed to fit in the neighborhood and includes native plant landscaping. Wastewater Service Area Replacement Area Overflow to Puget Sound Road 0 1/8 1/4 1/2 Mile Underground storage pipe Water body 2 3