Community-Centric Green Stormwater Infrastructure
5/17/23More than two decades have passed since Seattle’s pilot Street Edge Alternatives Project (SEA Streets) was completed in 2001, the first public right-of-way Green Stormwater Infrastructure (GSI) retrofit of its kind in the US. Since then, the benef...
( Read more )APWA Project of the Year: John Lewis Memorial Bridge
5/11/23It’s not often that feats of engineering design can tell a Shakespearean story—two neighborhoods divided into east and west for over fifty years by the construction of I-5, residential areas and North Seattle College separated from shopping dist...
( Read more )National Playground Safety Week
4/28/23It’s National Playground Safety Week - a time to reflect on our own fond memories and the joy as adults watching children burst with excitement as they climb, explore, and engage with other children - completely unaware of how essential the experi...
( Read more )Navigating ESA Consultation for Transportation Drainage
2/14/23The stormwater industry is abuzz with how to respond to 6PPD-quinone, a chemical used to prevent degradation of car tires, which is adversely impacting our natural environment. If you are working on a roadway improvement project, you might be trigge...
( Read more )It's World Wetlands Day!
2/2/23This World Wetlands Day, we are highlighting four different types of wetlands, one from each region where we have an Osborn Consulting office. Larson Lake, Bellevue About the Wetland: The wetland at Larsen Lake is defined as a bog. Bogs a...
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Port of Seattle Taxiway Improvement Projects
7/6/20Location: SeaTac, WAOwner: Port of Seattle The Port of Seattle undertook a project at Seattle‐Tacoma International Airport to relocate the existing Taxiway L, reconstruct Taxiway B, and upgrade other taxiways. The Federal Aviation Administrati...
( Read more )Port of Seattle Concourse D Hardstands
6/30/20Location: SeaTac, WAOwner: Port of Seattle This new 32,500 SF building on the east side of Concourse D in the existing North Ground Transportation Lot at Seattle-Tacoma International Airport houses multiple hold rooms for the hardstand operation...
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Port of Seattle BOD Study
7/6/20Location: SeaTac, WAOwner: Port of Seattle OCI has been conducting a Biological Oxygen Demand (BOD) study at the Seattle‐Tacoma International Airport with the goal of identifying sources of BOD to the sanitary sewer system (SSS) and providing r...
( Read more )Port of Seattle Taxiway Improvement Projects
7/6/20Location: SeaTac, WAOwner: Port of Seattle The Port of Seattle undertook a project at Seattle‐Tacoma International Airport to relocate the existing Taxiway L, reconstruct Taxiway B, and upgrade other taxiways. The Federal Aviation Administrati...
( Read more )Port of Seattle Concourse D Hardstands
6/30/20Location: SeaTac, WAOwner: Port of Seattle This new 32,500 SF building on the east side of Concourse D in the existing North Ground Transportation Lot at Seattle-Tacoma International Airport houses multiple hold rooms for the hardstand operation...
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Annette B. Weyerhaeuser Early Learning Center
5/6/20Location: Tacoma Community College, Tacoma, WA Tacoma Community College’s Early Learning Center is an anchor for the northern end of the campus. This five-acre site creates an important entry point to the college campus and provides an all...
( Read more )Kingston High School
5/6/20Location: Kingston, WAOwner: North Kitsap School District Osborn Consulting, Inc. (OCI) team members developed a 200 acre master plan for the North Kitsap School District that included large wetland areas, four schools, a large regional par...
( Read more )Valley View Middle School Athletic Facilities
5/6/20Location: Snohomish, WAOwner: Snohomish School District, Heery International To maximize public and student use of the fields, the school installed a synthetic turf softball field and a combined synthetic football, lacrosse, and soccer field wit...
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NE 192nd Street Culvert Replacement
12/15/17Location: Kenmore, WA Owner: City of Kenmore OCI completed the alternatives analysis design and construction documents (PS&E) for a 60-foot long 12-foot by 7-foot bottomless precast culvert for Little Swamp Creek at the NE 192nd Street cros...
( Read more )Thornton Creek Confluence Project
2/28/14Location: Seattle, WAOwner: City of Shoreline OCI was responsible for the TESC and stream bypass plan for this flood management and habitat restoration design project. Deliverables included plans and detail sheets, specifications, engineer's cost...
( Read more )China Creek, Centralia College
2/25/14Location: Centralia, WA OCI was responsible for the hydrologic, hydraulic and morphology analysis for the improvements to China Creek at Centralia College. Centralia College plans included improvements to China Creek to a more natural cross secti...
( Read more )Read more Fish Passage and Habitat Restoration posts...
Northshore Summit Park
1/28/15Location: Kenmore, WAOwner: City of Kenmore Innovative engineering transformed 3.6 acres of underutilized, waterlogged open space, into a quality multiuse park featuring picnic areas, playgrounds, trails, wetland, and forest. Ensconced...
( Read more )25th Street Bike and Pedestrian Improvements
2/25/14Location: Bellingham, WA Owner: City of Bellingham OCI is responsible for the design and PS&E for the bioretention system and community support. Located along 25th St, between Bill McDonald Pkwy and Douglas Ave, the project includes adding bike l...
( Read more )Redmond Stormwater On-Call
2/25/14Location: RedmondOwner: City of Redmond OCI is under contract to provide stormwater and professional services to the Natural Resources Division for the City of Redmond. OCI is working with the City on Capital Improvement Projects (CIP), such as s...
( Read more )Read more Green Stormwater Infrastructure (GSI) / Low Impact Development (LID) posts...
North Creek Interceptor and Olympus Meadows Trunk Sewer Capacity Improvements CM Project – North and South Segments
3/17/14Location: Alderwood, WA OCI was in-charge of conducting field inspections to ensure that all temporary erosion and sediment control BMPs are properly installed and functioning at the project sites. As part of the field inspection, OCI CESCL ...
( Read more )Ballard Bridge Seismic Retrofit, Phase II
2/26/14Location: Seattle, WA Owner: Seattle Department of Transportation OCI was contracted to monitor water quality and collect, test, and report on water samples for the Ballard Bridge Seismic Retrofit Project. OCI recorded testing locations on a Water Q...
( Read more )Aurora Corridor Improvement Project, Phase II & III
2/25/14Location: Shoreline, WAOwner: City of Shoreline As a sub-consultant to HDR, OCI was responsible for the analysis, design, and permitting of all construction stormwater for the City of Shoreline’s Aurora Corridor Improvement Project between...
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Alice Ball Park
3/3/22Location: Seattle, WA Owner: Seattle Parks & Recreation The new, award-winning Alice Ball Park created much-needed open space in the increasingly congested city. Located within a neighborhood retail corridor, the site is across the...
( Read more )North Rainier Landbanked Site Park
3/3/22Location: Seattle, WA Owner: Seattle Parks & Recreation OCI is designing a new 1.3 acre park in the North Rainier neighborhood of Seattle to provide critical open space near a commercial corridor, several multi-family developments, includi...
( Read more )Virgil Flaim Park
3/3/22Location: Seattle, WA Owner: Seattle Parks & Recreation Tucked into a quiet neighborhood, Virgil Flaim Park in Lake City features a playground, picnic areas, paths and a multipurpose field. OCI landscape architects designed amenities for a...
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Suquamish Master Plan
5/6/20Location: Kitsap County, WAOwner: Suquamish Tribes Located on the edge of Puget Sound, the 2000-acre Port Madison Reservation is the ancestral home to the Suquamish Indian Tribe. Osborn Consulting, Inc. (OCI) team members worked with the tribe to...
( Read more )Bainbridge Island Farmers Market
5/6/20Location: Bainbridge Island, WAOwner: City of Bainbridge Island Osborn Consulting Inc. (OCI) team members' award-winning design of the Bainbridge Island Farmer’s Market was developed to be a flexible space to accommodate multiple uses, such as...
( Read more )Suquamish Veterans Memorial
5/6/20Location: Port Madison Reservation, WAOwner: Suquamish Tribe The Veterans Memorial was designed to honor local native and non-native individuals who have served in the armed forces. The site overlooks the Community House and has views of Mt. Rain...
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I-5 - SR 510 Diverging Diamond Interchange
8/22/18Location: Lacey, WA Owner: Washington State Department of Transportation Construction Bid Opening Date: August 22, 2018 OCI designed the stormwater and temporary sediment and erosion control elements for this WSDOT Design-Bid-Build project lo...
( Read more )SR 167 Puyallup River Bridge
2/25/14Location: Puyallup, WAOwner: City of Puyallup OCI was responsible for drainage and TESC design for temporary detour and permanent bridge across Puyallup River at the outer limits of City of Puyallup from Milepost 6.19 to 6.25. The project involve...
( Read more )SR 99 Tunnel Project
2/25/14Location: Seattle, WAOwner: Washington State Department of Transportation OCI was under contract with HNTB, part of Seattle Tunnel Partners, and developed site specific and construction phase specific TESC Plans and Narrative for the project. Maj...
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Golden Gardens Drainage and Stairway Renovation
3/23/17Location: Seattle, WAOwner: Seattle Parks and Recreation The Golden Gardens Drainage and Stairway Renovation project replaced popular yet unsafe and failing stairs with a new ADA-complaint 6 ft. wide concrete stairway in Golden Gardens Park,...
( Read more )SPU Modeling On-Call
12/13/16Location: Seattle, WAOwner: Seattle Public Utilities OCI is a key subconsultant on this modeling on-call contract led by Aqualyze. OCI and Aqualyze team members are working together to update and calibrate system wide sewer models as well as...
( Read more )NE Inglewood Hill Road Improvements Project
12/13/16Location: Sammamish, WAOwner: City of Sammamish Over 5,500 linear feet of new stormwater conveyance and water quality treatment of approximately 3.3 acres of existing pollution generating roadways was constructed in the Inglewood neighborhoo...
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South Wallingford Corridor Study
5/6/20Location: Seattle, WA Osborn Consulting, Inc. (Formerly Cascade Design Collaborative) has worked with numerous school districts and municipalities to prepare safe route to school programs, including multi-modal and bus circulation plans, pedestri...
( Read more )Safe Routes to School
5/6/20Osborn Consulting, Inc. (OCI) team members have worked with numerous school districts and municipalities to prepare safe route to school programs, including multi-modal and bus circulation plans, pedestrian and bicycle safety improvements, developin...
( Read more )Rainier Beach Gateway
5/6/20Location: Seattle, WAOwner: City of Seattle Rainier Avenue South is often considered the “main street” for adjacent business districts and residential neighborhoods; however, it is also one of the least safe roadways in Seattle for pedestrian...
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D & 25th Streets
5/6/20Location: Tacoma, WAOwner: City of Tacoma Recognizing that both D and 25th Streets were hostile environments for pedestrians, the City of Tacoma wanted to redesign them as Complete Streets. By re-configuring and narrowing vehicle lanes, Osbo...
( Read more )Bothell Main Street
5/6/20Location: Bothell, WAOwner: City of Bothell Osborn Consulting, Inc. (OCI) team members, the City of Bothell, and the local business community undertook a design visioning process to revitalize Bothell’s Historic Downtown Main Street. OCI (as Ca...
( Read more )Pendleton Multi-Way Boulevard
5/6/20Location: Joint- Base Lewis McChord, WAOwner: US Dept. of Defense In an effort to accommodate growth and improve livability at Joint Base Lewis-McChord (JBLM) for military personnel and their families, Osborn Consulting, Inc. (OCI) team members w...
( Read more )Read more Urban Design and Community Facilities posts...
Sewer Relining Program
2/8/19Location: Seattle, WA Owner: Seattle Public Utilities OCI is leading Seattle Public Utilities’ (SPU) Sewer Relining Program to provide bid documents and construction assistance for using CIPP on over 200 drainage, sanitary sewer, and combine...
( Read more )Water Line Removal
2/26/14Location: Bellevue, WA OCI was responsible for the removal of an asbestos concrete waterline suspended 5 feet above Kelsey Creek. The design required coordination with the fish window, evaluation of impacts to the stream, and addressing limited a...
( Read more )Sanitary Sewer Repair Program
2/26/14Location: Bellevue, WA Owner: City of Bellevue OCI is currently working under a four-year contract with the City of Bellevue to produce PS&E for approximately 40 sewer repair projects per year. The OCI team identified the sites using the City’...
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