Water Control Structure Choice for Wetland Restoration/Creation
Ducks Unlimited is a non-profit conservation organization, whose mission is to fulfil the annual life cycle needs of North American waterfowl by protecting, enhancing, restoring, and managing,...
Mitigation Wetland Losses for a Major Transportation Improvement Project in New Hampshire
To compensate for 103 acres of wetland impact from a 17.6-mile upgrade of NH Route 101 between Epping and Hampton, New Hampshire, NH Department of Transportation (NHI)OT) and Normandeau...
The Importance of Plant Community Structure on Form and Function of Created Wetland Systems
If we consider that the creation and the restoration of a wetland system begins with the design of the hydrology, then establishing the form and function of a wetland begins with the design...
Design Guidance?Instream and Bank Restoration Structures
Despite an urgent need for river and stream restoration design criteria, little guidance has emerged in recent years. Existing guidance is largely unsatisfactory, promoting empiricism...
Use of Geomorphic Data for Assessing Stream Stability at Bridge Structures
The authors recently completed a statewide bridge scour evaluation for the Nevada Department of Transportation, which included evaluation of the geomorphic processes of bank erosion and...
Sound Way to Save Fish
Fish protection need not cost an arm and a fin. Using light and sound to spare fragile blueback herring and other species a harrowing fate, the U.S. Army Corps of Engineers devised a fish...
Marine Borers Are Back
Cleaning up the nation's harbors has brought a resurgence in marine borer activity. These organisms, mainly the teredo and the limnoria, eat at timber piers, undermining critical...
Preserve and Protect
Historic and landmark structures constructed of unreinforced masonry and stone are among the most vulnerable to strong ground shaking and are often subject to possible collapse. For the...
Development of Hardwood Glulam Timber Bridge Standards
Design standards and specification for 5.5 to 27.4 m(18 to 90 ft.) clear span hardwood glued laminated (glulam) highway bridges have been developed and are available from the Pennsylvania...
Floor to Wall Anchors in Historic Brick Buildings
The poster presentation at the Structures' Congress details a retrofit analysis performed on the Gilroy Historic Commercial Building, which was instrumented during the Loma Prieta Earthquake....
The Future of the Past: Historic Preservation at the Metropolitan Washington Airports
The historic significance and unique architectural character of Washington National and Washington Dulles International Airports have presented the Metropolitan Washington Airports Authority...
Displacement of Landmark Building Resulting from Adjacent Construction Activities
This paper describes the observations and presents comments related to the measurement of settlement and the avoidance of damage to a historic structure in the City of New York from adjacent...
Model of an Upgrade
As further studies and more extensive computer models help engineers better understand the workings of wastewater treatment plant processes, those engineers are finding more efficient...
Steam Plant Becomes Biotech Lab.
With its prominent lakefront location and imposing size, Seattle's Lake Union Steam Plant is visible from many parts of the city. For most of this century, the plant's...
The Engineer As Preservationist
Engineers in the U.S. have been involved in historic preservation at least since 1966, the year ASCE's Committee on the History and Heritage of Civil Engineering designated...
ISTEA Enhances Transportation
The aim of the Intermodal Surface Transportation Efficiency Act (ISTEA) of 1991 was to integrate communities with transportation programs. Engineering professionals now have the responsibility...
Historic Yorktown: New Bridge Keeps Old Design
In historic Yorktown, Va., the best solution to reconstructing an obsolete 1952 bridge was to keep its unique design while widening it for '90s traffic. Like the original,...
Fire Retardant Treated Wood
The paper explains how FRTW chemicals react with combustible gases. It describes the two types into which FRTW is divided. Misconceptions about FRTW are also addressed....
Applying PMS Lessons to New Infrastructure Tools
The objective of this paper is to present a historical summary of the factors which have influenced the successful implementation of pavement management system (PMS) for the lessons learned...
Coordinating Toxic Cleanup with Future Site Utilization
The Port of Olympia owns a site where former industrial activity left a legacy of toxic contamination, and which is currently involved in a cleanup action. A waterfront site which was...
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