Tied by Water
Water utilities in the Puget Sound region of Washington State face strict water quality standards and increasing water demands. Because of the Endangered Species Act, they are also under...

From Competitors to Partners
Embracing a competitor as a business partner may be somewhat uncomfortable for small engineering firms—at least initially. There is natural concern about what a fellow team member—who...

Jet Grouting for Microtunneling and Shaft Construction in Highly Congested Utility Corridors

The Many Faces of RCC
The Chinese government, under an aggressive move to boost its hydroelectric power output, is building an extensive system of dams nationwide. Chinese engineers have developed innovative...

Symptom-Based Reliability of Aging Infrastructure Systems
Ideally, aging infrastructure systems should be monitored for safety and repaired in case of need. Eventually, authors believe that symptom-based reliability will be useful for safety...

A Guide for Best Management Practice (BMP) Selection in Urban Developed Areas
With the ongoing NPDES Stormwater Permits, TMDL programs, and the increase in environmental awareness, many municipalities are challenged to address the relatively new concept of cleaning...

Piece by Piece
The Lions' Gate Suspension Bridge, a landmark structure in Vancouver, British Columbia, marks the entrance to one of the busiest harbors on the west coast of North America....

Life at the End of the Tunnel
Deadly tunnel fires in Europe have raised new concerns about tunnel fire safety around the world. Modifications to structures, mechanical systems, and operating procedures can make new...

High-Tech Isolation
In the fast-paced world of telecommunications, the time to market is often the deciding factor in the success of an enterprise. With that thought in mind, AboveNet Communications, Inc.,...

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...

A GIS Model for Assessing the Impact of Increased Channel Discharges on Hydraulic Geometry
A GIS model is being developed that can be used to assess the impact of increased channel discharges on the hydraulic geometry of streams in the Powder River (structural) Basin in northeast...

Extended Life Span
The Harlem River Lift Span—part of New York City's Triborough Bridge System—was the largest vertical span in the country at the time of its construction in 1936. The lift...

High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...

Adaptive Management for Atchafalaya Basin, LA Water Management Units
The Buffalo Cove Water Management Unit is a pilot unit in the Atchafalaya Basin that has been implemented as part of the Atchafalaya Basin Floodway System project. The pilot unit goals...

Gujarat (Kutch) India M7.7 earthquake of January 26, 2001 and Napa M5.2 earthquake of Sept. 3, 2000
Prepared by the Earthquake Investigation Committee of the Technical Council on Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph describes...

Raising the Bar of BART
Although it was originally designed to withstand a strong earthquake, and did so admirably in 1989, the Bay Area Transit (BART) system was recently evaluated to determine its ability to...

Emergency Warning System for Excavating at the Toe of a Dam

Benefits and Value of a Team Approach
Many still equate teamwork simply with feeling good or being the right thing to do. Yet leaders who have made the effort to develop teamwork in their work groups have noticed some interesting...

Overcoming Separation in Time or Space
Groups such as project teams, practice networks, and marketing groups are becoming ever more dispersed and distributed. For example, on a current project for a major water utility, I'm...

A Better Image
As new sources of satellite and aerial data emerge, and as imagery processing software becomes cheaper and easier to use, engineers are tapping remote sensing data's potential...

 

 

 

 

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