The Sorry State of Flood Hydrology in the Arid Southwest
Flood hydrology for urban areas of the arid and semiarid Southwest is in a sorry state. It is based in large part on precomputer manual methods. The state-of-the-art should move into the...

GIS: Easing Infrastructure Management
GIS provides an ideal means for city planners and engineers to plan construction and maintenance of water-distribution networks, wastewater-collection systems and treatment plants, highways,...

Design and Construction of Soil-Cement Drop Structures
Soil-cement has been used as an effective and economical slope protection material for embankment dams and stream banks. This paper describes the use of soil-cement in the construction...

Modeling a Large, Dynamic, Urban Drainage System
Impacts of progressive urbanization on peak streamflow are often difficult to quantify due to the dynamic, but subtle changes from year-to-year. In this instance urbanization impacts are...

The Hydraulic and Hydrological Interactions Between Urban Sewer Systems and Receiving Waters at High Discharges
In the transition region from sewer to river, the penetration of river flood water into the sewer network or the hydraulic overload of small rivers due to sewer system discharges, may...

Urban Soft Bottom Low Flow Channel?A New Approach
In 1987, the City of Boulder, Colorado requested assistance from the Urban Drainage and Flood Control District (District) to repair an all too familiar problem of cattails growing in the...

Sacramento's Proactive Stormwater Permit Program
In January 1990, with the encouragement and assistance of the California Regional Water Quality Control Board-Central Valley Region (Regional Board), the City and County of Sacramento,...

Urban Stormwater Quality Enhancement
Source Control, Retrofitting, and Combined Sewer Technology
This proceedings contains the papers presented at the Engineering Foundation Conference on Urban Stormwater Quality Enhancement - Source Control, Retrofitting and Combined Sewer Technology,...

Closing The Floodgates
The White Rock Creek basin in Dallas and Collin Counties, is one of Texas' most crucial resources. While large tracts of undeveloped land in Collin County remain under agricultural or...

On the Road to Clean Air
Anticipating passage of the 1990 Clean Air Act in the fall of the year, this article examines the remaining air quality problems in U.S. cities and some efforts underway or being planned...

World's Largest Caisson
The world's largest caisson (210,000 cy) forms the offshore cable anchorage for the 1,870 ft main span Tokyo Harbor Bridge. The bridge carries Metropolitan Expressway Route...

Dallas Rediscovers the Trolley
In 1982, a Dallas businessman and a group of trolley enthusiasts formed the Trolley Task Force to restore trolley service along McKinney Avenue in Dallas. Eventually, they established...

Project Management: Now On-Line
Only 20 years ago, computerized project management was available only to large firms with mainframe computers. Even four or five years back, well into the personal-computer revolution,...

Facelift For an Interchange
The authors describe a $250 million reconstruction project on a three-level interchange linking I-84 and I-91 in Hartford, Conn., which is the largest rehabilitation project in the state's...

Siphoning Sludge
Floating siphon sludge collection systems, as part of a massive wastewater treatment expansion program, are helping Houston to grow. Amid the boom years of the early 1970s, the city had...

Seismic Risk Considerations for Transportation Systems
During the recent Loma Prieta Earthquake, major damage to certain key transportation elements greatly affected operations of major transportation systems within the San Francisco Bay Area....

The U.S. Agency for International Development's Water and Sanitation for Health (WASH) Project: Lessons of the Decade
A review of the International Decade of Water Supply and Sanitation of the 1980's shows the enormous accomplishments made to date: 600 million more people served with a drinkable...

Replacing an Urban Foundation
Baltimore's new subway extension will pass close to a 6-story reinforced concrete building near the Inner Harbor. Its timber piling foundation was threatened by the dewatering...

U.S. Tackles Leaking Tanks
Regulations to deal with leaking underground storage tanks have been in force since 1984 and deadlines for compliance began in 1989 for tanks installed before 1969. The Environmental Protection...

Rochester Stops the Deluge
After a slew of stopgap waste-treatment plants failed to solve Rochester's chronic storm water and sewage overflow problem, city officials changed direction in the late 1960s....

 

 

 

 

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