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The stress on New Orleans from this past weekend's storm surge emphasizes the need for further evaluations of a number of structures used to control flooding in the region as well as the sediment and nutrients from fertilizer flowing downstream. Improving the timing of high water released from the Mississippi River could curtail the effects of the nutrients, argues Robert Twilley, director of the Louisiana Sea Grant program at Louisiana State University.
The Planning Board of Ogunquit, Maine, approved ongoing work to address damage that last year's Noreasters inflicted on 13 sites. Plans include erecting reinforced stone walls and using erosion control matting to prevent soil from washing away.
The aging levee system of Tulsa, Okla., which the Army Corps of Engineers deemed "unacceptable" in 2008, managed to withstand the recent onslaught of historic flooding on the Arkansas River thanks to constant and sustained coordination among various agencies that managed to keep the levees intact.
A new law in Florida allows local governments to approve mitigation of conservation lands they own. This applies if credits are not available from the state and federal governments and if developers provide financial guarantees that the land will continue to be maintained.
Stormwater runoff is a central focus of a partnership between University of Connecticut's Center for Land Use Education and Research and the state's Department of Energy and Environmental Protection to help towns meet MS4 requirements. One of the resources available is an online mapping tool to help towns easily access geospatial data and prioritize areas of need.
With nearly one-third of the Netherlands lying below sea level, the country has gained a global reputation for engineering superior structures to protect against surging waters. The country is now lending its expertise to several US states, including Texas, where officials are working on a vast coastal barrier system.
The latest generation of mobile monitoring devices can boost maintenance programs by helping technicians conveniently collect, analyze and transmit critical asset data. Some programs and devices are designed to work with tablets while others employ task-specific handheld equipment with sensors or cameras.
A sound reliability-centered maintenance process should address an asset's performance parameters, how it can fail, what happens when it fails, why the failure matters and what proactive measures can be taken to keep failures from occurring, writes Noria Corporation's Jonathan Trout. He provides an overview of the three basic principles of RCM implementation and highlights two applications that demonstrate its benefits.
Some of the thousands of engineers who worked on the Apollo program reflect in two ASME videos on the projects that formed a necessary learning experience leading up to development of the lunar module while offering their thoughts on the achievement of landing men on the moon.
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