Using SHRP Tests to Evaluate CRM Asphalt Pavements
During the recently completed Strategic Highway Research Program (SHRP), there was insufficient time or funds to evaluate the inclusion of waste materials in asphalt paving mixtures. However,...
Pierce Transit's Experience with an Alternate Fuel Compressed Natural Gas January-December 1992
At the end of 1992, Pierce Transit's CNG fleet consisted of 30, 40-foot Orion buses, 19 ElDorado Buses, on GMC 'New Look' bus, one 1990 Chevy Celebrity, and one Collins Shuttle van. As...
Wetland Conservation Plans as Contexts for Transportation Planning
Construction of major, new roadways, particularly in metropolitan areas, initiates subsidiary affects that impact the environment in a variety of ways and increasingly over time. Not the...
Long Term Hydroacoustic Evaluations of a Fixed In-Turbine Fish Diversion Screen at Rocky Reach Dam on the Columbia River, Washington
Three Case Studies of Modifications to Washington Water Power Dams
Use of CLSM Fly Ash Slurry for Underground Facilities
This paper presents the results of research performed in developing and using flowable fly ash slurry which falls under the classification of Controlled Low Strength Material (CLSM) as...
Beyond the Airport Terminal: People Mover Technologies at Seattle-Tacoma International Airport
Seattle-Tacoma International Airport has been on the forefront of using people mover technology since the early 1970s and the installation of the Westinghouse Satellite Transit System...
Adapting BMPs to California Hydrology and Climatology
The State of California has the most diverse hydrology and climatology in the United States. It boasts the highest and lowest elevations in the continental U.S. and annual rainfall varies...
Evaluating Remedial Alternatives for Coastal Wetlands in New Bedford Harbor
The Acushnet River estuary in upper New Bedford Harbor is highly contaminated with polychlorinated biphenyls (PCBs) and metals. Portions of the industrialized estuary are bordered by wetlands,...
Case Studies of Ocean Outfall Inspections—San Francisco and Seattle
Discharge of effluent from municipal wastewater treatment plants via outfalls into the nearshore ocean environment is a common means for disposal of waste and street water runoff coastal...
The West Point Story—Chapter 3: An Integrated Park and Treatment Plant
The West Point Wastewater treatment plant in Seattle sits on a small parcel of land that juts out into Puget Sound. In 1984, controversy erupted when Seattle Metro recognized that West...
Northwest Coastal Strategy
The activities of the Coastal AMerica Northwest Regional Implementation Team are discussed. The Coastal America northwest demonstration project, wetlands restoration in the Duwamish River...
Cumulative Environmental Impacts of Shoreline Stabilization on Puget Sound
Although shore protection structures such as bulkheads and seawalls may provide protection to upland property owners, they bring with them numerous potential adverse environmental effects....
Annual Oscillation of Mean Monthly Water Levels at U.S. Ports
The annual variation in water level is not widely recognized among engineers. It could effect the selection of design ship channel depth or marina channel dredging, and tidal wetland creation...
The Covington Master Drainage Plan
Located in the southeastern portion of King County, Washington, the 1,240-acre Covington area had been identified in 1985 as an 'urban activity center,' a place designated for regional...
Shoreline Environmental History: Making it Visible with Public Art and Historic Interpreation—An Olympia, Washington Case Study
This paper briefly describes the efforts under-way to understand and celebrate Olympia, Washington's shoreline environmental history by tracking its influence on water quality, marine...
Siting Agricultural Weather Stations
Studies were conducted in Arizona and Washington to investigate how the surrounding fetch affects data collected by agricultural weather stations (AWS). AWS surrounded by extensive areas...
Effect of Agricultural Drainage on Water Quality in the Humid Portion of the Pacific Northwest
Agricultural drainage first began in Washington around 1830 and in Oregon around 1840. The first efforts to drain soils for agricultural use began by constructing shallow ditches spaced...
Television and Scanning Sonar in Seattle Metro's Siphons and Brick Sewers
Comprehensive and often costly investigations are required in order to identify performance deficiencies of the pipeline in sewer systems, particularly when sewers in excess of 48-inch...
The West Point Story—Chapter 4: Design
Metro's approach to design was one of integrated environmental and plant design. The project team, with guidance from the community and the city's parks department, established goals before...
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