1991 OCEA Award Nominees
The $1.2 billion I-595/Port Everglades Expressway runs from Port Everglades to I-75, giving traffic a much quicker route from the Miami area to the Gulf Coast. It also links U.S. 1, I-95,...
Seismic Vulnerability Assessment of Seattle Water Department's Water System Facilities
The Seattle Water Department (SWD) service area and watersheds lie in seismic zone 3, in which there is potential for major earthquakes (Richter magnitude 7.5 or greater). The SWD system...
Seismic Vulnerability Analysis and Upgrade of Seattle Metro Wastewater Facilities
The Municipality of Metropolitan Seattle, Metro, provides wholesale wastewater transport and treatment for 30 cities and sewer districts. A Seismic Vulnerability Assessment Worksheet for...
Loss and Recovery of Critical Lifelines Following Recent Hurricanes
Hurricanes significantly affect the performance of critical lifelines. An overview of the loss and recovery of power supply, transportation, communication, and water/wastewater systems...
Meeting MARPOL Annex V Requirements, A Model for Recreational Ports and Harbors
MARPOL (an abbreviation for marine pollution) is an international agreement to reduce marine pollution globally. It is comprised of five annexes, and the purpose of Annex V is to reduce...
Operation and Maintenance Plan for Marinas
A operation and maintenance (O&M) plan for marinas is presented to describe the process and establish basic parameters that can be used as guidelines to more comprehensive site-specific...
Baia dei Gabbiani (Seagull Bay) Marina in Marano Lagoon, North Adriatic Sea
In Northern Adriatic Sea between Venice and Triest, a new Marina, designed by the Author, has been built. In it 281 boats, with L.O.A. varying from 10 m to 25 m, are moored in the harbor...
Loma Prieta Earthquake?Emergency Response and Restoration: Water and Sewerage Lifelines
Water and Sewerage systems performed very well with a few exceptions in the Loma Prieta earthquake. Pipeline damage occurred in unstable ground. Damage at treatment plants was due to sloshing...
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...
Fly Ash for Hire
Each year, roughly 15 million tons of ash created by U.S. coal-fired powerplants is recycled. Most is used in concrete and other construction materials, such as structural fill, but utilities,...
Slow Sand Filtration
This report,
Air-Water Mass Transfer
This monograph, Air-Water Mass Transfer: Selected Papers from the Second International Symposium on Gas Transfer at Water Surfaces, consists of papers presented at the Symposium which...
Seattle's Good Neighbor Policy
The West Point wastewater treatment plant in Seattle sits on a spit of land jutting into Puget Sound. Close by is Discovery Park, a haven for nature lovers, located on a bluff above the...
Landfill Liners from Top to Bottom
Since EPA began requiring geomembrane liners in 1982, liner system components have multiplied rapidly. At the same time, there has been a movement toward relatively large, sophisticated,...
Pumping Oil, Treating Soil
Oil was discovered on hilltop land in Signal Hill, Calif., in 1921, setting off one of the most wild land rushes the state has ever seen. Some 70 years and 20,000 oil wells later, the...
Knowledge Acquisition in Civil Engineering
Expert systems are an intriguing approach for transferring valuable problem-solving skills from the minds of human experts to the logic of computer programs. For the past several years,...
Secure Landfills: Reliability-Based Analysis and Design
A framework is outlined for reliability-based analysis and design of secure landfills. Reliability, R, is the estimated probability landfill leakage, Ql, is below an allowable limit, Qf;...
A Plant for All Seasons
Collins, Eckley and Detweiler describe a successful energy conservation program at the Willow Lake Wastewater Treatment Plant, Salem, Ore. By funding the $4.59 million project with a combination...
Lining Up Against Oil
Officials of California's Metropolitan Water District were more than slightly concerned when seeping oil showed up in the Newhall Tunnel, the last leg of a project that brings...
Reciprocal Recycling
Municipalities are turning their wastes into valuable products through a unique combinations of water reuse and energy recovery. Reclaimed water, the product of the wastewater treatment...
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