Underground Storage and Recovery: A Powerful Tool for the Management of the Limited Water Resources of the Phoenix Metropolitan Area
(No paper) The availability of imported Colorado River water to the Phoenix area in 1986 prompted the need for storage of the unused portion of each municipality's contracted allocation....
River Replication
In 1997 a U.S. patent was granted to the U.S. Army Corps of Engineers for a new applied engineering tool and methodology called micromodeling, which uses a small-scale physical model to...
Saving San Antonio
During an October 1998 flood, excess flow from the San Antonio River was funneled into a 3.1 mi (5 km) long, 24 ft (7.3 m) wide concrete-lined tunnel beneath the city that emptied into...
CSO Controversy
Under the Environmental Protection Agency's (EPA's) national combined sewer overflow (CSO) policy, more than 900 cities will no longer be able to discharge untreated...
Conquering the Mountain
Interstate 26 will be the largest and most expensive highway project ever undertaken in North Carolina. When completed in 2002, I-26 will provide safe and efficient interstate passage...
Safe Passage
Past studies have indicated that the existing juvenile fish bypass system at the second powerhouse located at the Corps of Engineers' Bonneville Dam on the Columbia River...
A Race Against Time
The coastal hillsides of San Mateo County, California, were quickly developed during the post WWII construction boom. Although the land is prized for its scenic beauty, the underlying...
Calendar: Bridges 2000 Calendar
Featured bridges are: Mill Creek Park Suspension Bridge (OH); Coos Bay (McCullough Memorial) Bridge (OR); Gothic Arch (NY); Bidwell Bar Suspension Bridge (CA); Plaza de Espana (Spain);...
High-Performance Powder
The application of fundamental principles related to the composition, the making, and the thermal treatment of concrete resulted in the development of a new type of concrete with outstanding...
Floodplain Management
On July 28th, 1997, the City of Fort Collins, Colorado, experienced devastating floods on Spring Creek that resulted in property damage and loss of life. As part of the local floodplain...
Losing Ground
Unusual engineering approaches, careful studies of earth and water movements, and a multi-organizational project team that worked cooperatively lead to the successful replacement of the...
Salvaging Streams
A public/private partnership between engineers and local agencies restored a suburban stream in Henrico County, Va., using bioengineering. Aided greatly by a volunteer workforce, the partnership...
Rock Dam Revitalization
Sometimes restoring an area to a natural appearance requires a little artificial help. When the city of Longmont, Colo., began creating the St. Vrain Greenway, a park and recreation area...
Step by Step
A small townhouse community in suburban Maryland experienced repeated flooding from a nearby stream, which had eroded as the community grew from rural to suburban. By involving the affected...
Functional Considerations for Restoration: A User's Guide for Streambank Stabilization
A brief outline of functional considerations for streambank stabilization....
Calendar: Bridges 1999 Calendar
Featured bridges are: Cornish-Windsor Covered Bridge (NH); John A. Roebling Bridge (KY); Bollman Truss Bridge (MD); Eads Bridge (MO); Brooklyn Bridge (NY); Manhattan Bridge (NY); High...
Dam Engineers Go Over the Top
In the 1980s, dam engineers with the Lower Colorado River Authority worried that the Wirtz Dam, near Austin, Texas, would fail in the event of a maximum probable flood. They looked to...
Delivered into Providence
The Bristol County Water Authority of Rhode Island needed a pipeline to move potable water into the eastern regions, but the Providence River stood in the way. Directional-drilling provided...
Bridge Bashing
Ships can be dangerous to bridges. Collisions are increasing and costs are considerable. There are ways to reduce the risks, but these cost money, too. A 1993 vessel collision with and...
Building Tension in Buffalo
The National Hockey League's Buffalo Sabres have a new home, topped with an unusual tension-braced domed roof. An ingenious combination of dome designs, the Marine Midland...
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