Safeguarding Water Utilities
Immediately after the September 11 terrorist attacks, many water and wastewater utilities adopted or expanded security measures. Now with many systems conducting or planning to conduct...
Tunneling into the Future
The Chattahoochee Tunnel will increase the wastewater transport capacity of a suburban Atlanta county while greatly reducing the possibility of sanitary sewer overflows into the Chattahoochee...
Control of Microorganisms in Drinking Water
Prepared by the Water Supply Engineering Technical Committee of the Infrastructure Council of the Environmental and Water Resources Institute of ASCE. ...
The Chernobyl Problem
When the infamous accident at the Chernobyl Nuclear Power Plant occurred in April 1986�a catastrophe that involved an explosion that blew off the top of one of the plant's...
Settling Down
Engineers in Florida will prepare the sandy foundation of a future power plant by preloading it with sand for as long as a year....
Improving the Process
By revamping its solids treatment system, the wastewater utility in Louisville, Kentucky, eliminated odors, created a potential source of new revenue, and saved millions of dollars in...
Clean Water at the Crossroads
Thirty years after the passage of the Clean Water Act, the quality of effluent from the nation's wastewater treatment plants has improved considerably. However, much of the...
Rapid Delivery
Facing nearly dry wells and a moratorium on development that was about to expire, a small town in the pacific Northwest, using the design/build delivery method, was able to quickly design...
Natural Progression
Engineers made storm-water detention, wetlands mitigation, and environmental safeguarding part and parcel of an industrial expansion project. Designers have created an inviting front yard...
Environmental Technology Verification Report for the Plasma Enhanced Melter
Prepared by the Environmental Technology Evaluation Center (EvTEC), a service center of CERF/IIEC. This Technology Verification report describes the...
Establishing Baselines For Pipeline Condition Master Planning
As our most of our cities approach complete built-out and much of our wastewater pipelines near the end of their design life, attention needs to be focused on retiring deteriorated first...
Multifaceted Trenchless Rehabilitation at the Middletown, Ohio WWTP
This paper describes the multiple trenchless technologies that were evaluated and the ones that were applied to the rehabilitation of a 78la diameter corrugated metal influent line and...
Economic Restoration of Concrete Infrastructure at Jefferson Parish, Louisiana
United States municipalities are spending hundreds of millions of dollars annually tore place and repair corroded concrete infrastructures in wastewater systems. Structures such as wet...
Application of Simulated Annealing for Integrated Urban Water Systems: Infrastructure, Treatment and Re-Use Optimization
Escalating costs in providing water supply, waste water and storm water infrastructure and community concerns over the environmental impact of water harvesting and effluent disposal, have...
Redesigning the San Roque Dam
Engineers updated a 20-year-old design for the San Roque Dam in the Philippines to save time and money and improve the dam's ability to withstand earthquakes. The structure...
Nuclear Shutdown
The lengthy process of decommissioning�and in some cases dismantling�a commercial nuclear power plant is unlike any other project. The few plants that have been decommissioned are providing...
Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...
Damage Report from Seattle
The epicenter of the magnitude 6.8 earthquake that struck the Puget Sound region of Washington on February 28, 2001, was located 11 mi (18 km) northeast of Olympia and about 36 mi (58...
Rethinking Bangkok's Wastewater Strategy
In the past 10 years the Bangkok Metropolitan Administration has spent $1 billion developing a major wastewater collection and treatment program for the city of Bangkok. The city is presently...
Impact of Scaling Rule on Simulating the Transport of DNAPLs
Due to the pollutants from lots of industry sewage and organic solvents, they arelow solubility in water and hard to decompose in nature, didn.t treated adequately, itwill cause the ground...
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