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...
Space Truss
The International Space Station will be more than 310 ft (94 m) long when it is completed sometime in the next decade. The backbone of the structure is a hexagonal truss system that will...
Innovative Electronic Fare Collection: Hanaro Traffic Cards
Pusan adopted a 'Hanaro Traffic Card' system for its transit system, using contactless smart card technology. It has many notable and unique features. It is a contactless, prepaid and...
Safety in a Designer's Hands
Although contractors face safety issues every day, engineers and architects have traditionally not addressed construction site safety in project designs. But there are design practices...
Dealing with Debris
A comprehensive debris-management plan for the city of Houston will facilitate and coordinate the management of debris removal and disposal following a disaster to mitigate any threat...
Beach Town Cleanup
The Avila Beach remediation project in California required the demolition of numerous structures and part of the beach in order to remove more than 200,000 cu yd (153,000 m�) of contaminated...
Pipe Up
The East Bay Municipal Utility District (EBMUD) provides potable water for approximately 1.2 million people in San Francisco's East Bay area and is constructing seismic upgrades...
Microtunneling under Honolulu
Highly congested urban utility corridors present some of the most difficult conditions for construction of new underground pipelines, especially when subsurface conditions are also very...
Up against the Wall (available in Geoenvironmental special issue only)
A tight site in Portland, Oregon, bounded by existing roads and a light rail line and bordered by underground utilities, required project engineers to develop a new type of shoring wall...
Metal Building Systems: A New Look
The use of metal building systems in low-rise, non-residential construction under 150,000 square feet has grown from less than 50 percent in 1986 to almost 70 percent today. Such systems...
Perpetual Pilots
Because testing new processes, treatment chemicals, and operational modifications is difficult in full-scale water treatment facilities, many utilities are installing permanent pilot plants....
Robust Techniques for Extension of Streamflow Records
Longer hydrological records are required for the planning of water resource systems. Sensitivity of a system is studied under various scenarios of hydrological inputs to understand its...
A GIS-Based Interactive Decision Making Tool for Watershed Management
(No paper) BASINS?Better Assessment Science Integrating Point and Nonpoint Sources, a geographical information system- (GIS-) based tool developed and released by the US EPA, provides...
Interactive Flood Response Plans: Internet/Intranet Formats with National Implications
(No paper) An effective flood response plan takes into account the needs of and utility to the end user of that plan?namely the local emergency response community. A flood response plan...
A Safer Route
More than 42,000 people died in transportation-related incidents in 1997, making motor vehicle accidents the leading cause of death for individuals between age one and 34. Engineers are...
Downtown Goes Uptown in Stainless Steel
In an unusual urban planning endeavor, a business district in Houston upgraded infrastructure, and added stainless steel design elements to unify the area. About $11 million was raised...
UV Acceptance
Ultraviolet disinfection of wastewater is increasingly being used. The method has been available since the early part of the century, but chlorine was widely available and generally cheaper....
The Invisible Infrastructure
Most developed countries have 50- to 100-year-old underground utility systems that carry far greater loads than their designs. They're difficult to repair or replace, yet...
Solutions Manual-Fluid Mechanics
An interactive Text
The solutions to the end-of-chapter exercises of
Net Gains
Project Web sites can be as simple as a repository for drawings and documents or complex enough to allow real-time dialogue between interested parties and project monitoring. One of GZA's...
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