Click here for this month's Web extras:
Cover story - Hottest products
From "TOP TEN TOOLS"
The votes (so to speak) are in on 2011's most popular products.
Read “Saving When Repaving,” American Highway Products' report on extending pavement lifespan and cutting manhole raising costs.
From "THE NATIONAL RESPONSE SYSTEM: ONE STEP CLOSER TO READINESS"
- To read more about President Obama's Presidential Policy Directive on National Preparedness (PPD-8), see the links below.
- National Disaster Recovery Framework
- National Preparedness Goal
Click here for the most recent developments.
And finally … get involved! Send your ideas and comments on emergency management to the FEMA Think Tank.
From "BY THE BOOK"
Following a firm soil and ground maintenance plan can help prevent contamination issues on water utility projects before construction begins.
Preview Dallas Water Utilities' soil and groundwater management plan.
Pipeline Construction & Maintenance
From "CROSSING THE FAULT"
- A “floating” water transmission line is designed to survive up to 6.5 feet of earth displacement during an earthquake. Second of two articles.
Four videos show how San Francisco's 78-inch “floating” water transmission line will survive 6.5 feet of displacement during an earthquake, courtesy of URS Corp.
Overall design concept for surviving movement at Trace B of the Hayward Fault: a welded steel pipe is housed within and thus protected by an articulating concrete vault. (All of this is buried under the intersection of two state highways, by the way.)
- The pipe “sits” on a complex system fixed, sliding, and guided on either side of the Hayward Fault allow the pipe to rotate up to 12 degrees.
- To keep the pipe from breaking, two one-of-a-kind ball joints that work together to accommodate the earth's movement during an earthquake.
- At the same time, a customized slip joint absorbs the quake's compression by expanding and contracting from 1 to 9 feet.
From "NEW MODEL TRUCKS AND ALTERNATIVE FUEL VEHICLES"
To find an alternative fuel refueling station near you, check out the Department of Energy's Alternative Fuels and Advanced Vehicles Data Center.