Successful Behavioral Devices for Fish Protection
Since 1987, the Electric Power Research Institute (EPRI) has been sponsoring studies of behavioral barrier devices for protecting fish at hydroelectric facilities. Primary emphasis has...

Tarbella?Third Extension Project Units 11 to 14: 440 MW Francis Turbine Design
At Tarbela Dam in northern Pakistan, the Third Extension Project, units 11 to 14 of 440 MW each, is presently under construction. When completed in 1992, the multipurpose hydro-irrigation...

Digital Data Acquisition and Performance Testing of Hydroelectric Equipment
The U.S. Army Corps of Engineers Hydroelectric Design Center has elected to use digital data acquisition methods when conducting performance tests of hydroelectric units. Transducers have...

Coastlines of Italy
These papers were presented at Coastal Zone '89 the Sixth Symposium on Coastal and Ocean Management held in Charleston, South Carolina, July 11-14, 1989. This volume is a...

Coastlines of Brazil
These papers were presented at Coastal Zone '89 the Sixth Symposium on Coastal and Ocean management held in Charleston, South Carolina, July 11-14, 1989. This volume is a...

Coastlines of the World
Coastlines of the World is an ongoing series that explores the different coasts from around the world. It provides the civil engineer with a broad understanding of coastal and ocean management...

Barrier Islands
Process and Management
These papers were presented at Coastal Zone '89 the Sixth Symposium on Coastal and Ocean Management held in Charleston, South Carolina, July 11-14, 1989. This volume is part...

Coastal Zone '89
Coastal Zone '89 is the sixth in a series of multidisciplinary meetings on comprehensive coastal and ocean management. The papers included in this publication review technical...

Building A Better Wetland
Nouri described an engineering plan designed for the National Audubon Society to restore the Ballona Wetlands of southern California, which has been severely degraded by population growth,...

Hydro on Hold
Hydropower projects have become the target of a growing environmental movement overseas. The tradeoff between clean, renewable energy and the possible environmental impacts of the reservoirs...

Big Trouble in Little America
Traditionally, rural communities in the U.S. have relied on septic systems to treat their wastewater. Many of the nation's 23 million septic systems, however, are failing....

Putting Waste to Use
Although it's only been nine years since Superfund was passed, a traditional hazardous waste disposal process has nontheless been established. That is, wastes are taken to...

CAD Speeds Viaduct Replacement
Lack of an available detour around construction of a major viaduct spurred city officials in Reno, Nev. to build a bridge nearby to serve the purpose. Although funded separately, the permanent...

Multipoint Monitoring
Monitoring groundwater is necessary to guard against pollution and to provide data for water resource management. The Orange County (Calif.) Water District has embarked on a program of...

Training the Waste Watchers
Whether an engineer is going to work at a Superfund site himself, or if his firm will be doing cleanup work at the site, that engineer will want to take the 40 hour training course as...

Legal, Institutional, Financial and Environmental Aspects of Water Issues
The papers included in this publication were presented at the 1989 LIFE symposium and address the legal, institutional, financial and environmental aspects of water issues. These aspects...

From Guesswork to Guarantee?
Maser describes a project to determine the effectiveness of radar and infrared thermography in detecting deterioration of asphalt overlaid bridge decks. The project, sponsored by the New...

Storing Sediment and Freeing Fish
When Mount St. Helens erupted in May 1980, it sent a river of pyroclastic ash and other debris into Washington's North Fork Toutle River Valley. The resulting debris pile...

Safer Dams
During the last 11 years, thousands earth dams have been inspected. Here are four that were rehabilitated. Army Corps inspections are phase I of the program, and have been completed. The...

Preventive Maintenance: Fixing What Ain't Broke
Municipalities are often caught in the cycle of built-neglect-rebuild. For bridges, the solution is preventive maintenance: keep the bridges clean and painted, and they'll...

 

 

 

 

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