Emergency Action Plans: A Need for Comprehensive Exercises
The Federal Energy Regulatory Commission's (FERC) Guidelines for Preparation of Emergency Action Plans (EAP) require that licenses conduct periodic in-depth testing, or comprehensive...
New Demands for Hydro Unit Inspection and Preventive Maintenance
As the hydro industry enters the 90's, special interest has been drawn to the fundamental practice of hydro unit inspection and maintenance. New demands on hydropower equipment...
Standardization of Culvert Flow Computations
Culvert flow computations are generally computed by the Federal Highway Administration's (FHWA) nemographs or its HY8 computer program, the U.S. Army Corps of Engineers'...
Hatchie River and Schoharie Creek Bridge Failures
Within a 2-year period two large bridges collapsed into flooded rivers resulting in a total of 18 people plunging to their deaths. Both bridges had been inspected by probing, but had not...
Bridge Inspections Related to Bridge Scour
The failure of the Silver Bridge over the Ohio River in Point Pleasant, West Virginia, on December 15, 1967 resulted in the establishment of the National Bridge Inspection Standards (NBIS)...
Experimental Difficulties Encountered in Testing Air/Water Mixtures
The Tennessee Valley Authority and Voith Hydro, Inc., are conducting a joint research project to study the effects of air admission on hydraulic turbines. Francis turbine models, homologous...
Bridge Scour and Stream Instability Countermeasures
Stream instability is characterized by lateral or vertical instability. Such instability has led to the failure of bridges and loss of life. Lateral instability is caused by lateral migration...
Bridge Scour Research Needs
This paper presents a summary of the Federal Highway Administration (FHWA) priority research emphasis on bridge scour, sedimentation, and stream stability problems. The most persistent...
FHWA'S Bridge Temporary Works Research Program
The Federal Highway Administration (FHWA) has developed a research program to address bridge falsework design and construction. This resulted from the collapse of the Route 198 bridge...
Update: Bridge Scour
Nearly 500 bridges have failed because of hydraulic conditions�primarily scour�since 1950, but the collapse of the Route 90 bridge over Schoharie Creek in April 1987 focused national attention...
Ultimate Air Rights
The new 1 million sq ft office tower at 450 Lexington Ave. rises from available space between commuter railroad tracks, through the center of a renovated four-story post office and up...
Loss-Reduction for Lifelines in a Federal Earthquake Insurance Context: Some Preliminary Issues
Through a two-year project, Dames & Moore has examined the topic of building or landuse loss-reduction measures in a federal earthquake insurance or reinsurance program. Loss reduction...
NOAA Collection and Dissemination of Marine Information
The National Oceanic and Atmospheric Administration's (NOAA) interest in marinas stems from our mandate to foster boating safety through the issuance of marine navigation products and...
Public/Private Ventures?Southern California
Recreational small craft harbors in Southern California have been and continue to be big business and were forerunners to government's current interest in generating new revenue...
New Marina Regulations for Delaware: A Case Study in Conflict Resolution?
On 20 March 1989, Governor Castle of Delaware issued Executive Order No. 70 which instituted a moratorium on new marina permits until the Department of Natural Resources and Environmental...
Site Considerations for Marina Development?A Planning & Environmental Inventory
This paper is an outline presentation of methods and procedures required by any entity, whether municipal or private, desiring to properly establish, expand or renovate a marina facility....
Mexican Marinas?An Investment Opportunity
This paper will present an overview of the development of salt water marinas in Mexico. The focus will be on the character of the market, both from a provider of facilities and from a...
Shallow Draft Coastal Port Design
One of the U.S. Army Corps of Engineer (USACE) missions is to construct and maintain shallow draft coastal ports and harbors. Defined as less than 20 ft, shallow draft projects number...
A Marina and How it Benefits the Community
The marina is considered to be a dynamic development that generates commerce and business, creating jobs and economic opportunity as well as government revenues from corporate income tax,...
Waste to Energy? The Burning Question
For all their bad press, waste-to-energy plants actually provide a one-two environmental punch�they reduce garbage volume and provide alternative energy. But increasingly, state and local...
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