No Picture
Press Releases

EPS Geofoam Project Second Largest in US

DENVER, CO–(Marketwire – May 10, 2011) – ACH Foam Technologies supplied an estimated 2.1 million cubic feet of EPS Geofoam to the second largest Geofoam project in the US: the West Valley TRAX line. Utah Transit Authority (UTA) constructed the light rail line to a new hub in West Valley near Salt Lake City. Projected to cost $200 million and span 5.1 miles, the project required 639 truckloads or 750,000 cubic yards of the lightweight fill material. ACH Foam delivered the first truckloads in Febuary 2009; Geofoam installation was complete by January 2010. [Editor] Click through for the rest of the press release from ACH Foam Technologies. [/Editor]

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Logan Canal Landslide
Geologic Hazards

Council to visit site of Logan, Utah canal landslide

Various stakeholders are meeting at the site of the fatal landslide to discuss the various options for replacing or realigning the portion of the canal that failed. [Source: HJNews.com. Image: Landslides Under a Microscope Blog]

Landslide blocks SR 14 east of Cedar City, Utah
Geologic Hazards

Landslide Closes SR 14 in Utah

Landslide blocks SR 14 east of Cedar City, UtahA large landslide has closed SR 14 east of Cedar City, Utah. UDOT expects that the road will be closed for up to 2 weeks for cleanup and to ensure that the slope is safe. Boulders up to an estimated 20 tons are now blocking the road and will likely need to be blasted down to a smaller size. A UDOT spokesman interviewed on the video shown after the break estimate the size of the slide at 700 to 800-ft long and 10 to 12-ft thick.

 

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No Picture
Geologic Hazards

Utah Poised to Adopt Geologic Hazard Ordinances

As I’ve reported previously, the State of Utah is in the process of adopting ordinances regulating the development of land that is susceptible to landslides and other geologic hazards. A new bill has been introduced in the Utah House that would give developers a recourse for appeal if they don’t like the decision of a local jurisdiction. More at the Salt Lake Tribune.

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Available Resources

Utah Releases Landslide Susceptibility Map

The Utah Geologic Survey has released a "Landslide Susceptibility Map of Utah". They apparently relied quite heavily on GIS based thresholding of existing slope angles but only after they had statistically analyzed failure  angles for particular geologic units. So it sounds like they throw the known landslides, the geologic map of Utah and a DEM into the GIS a blend it all up. Perhaps a slight oversimplification!

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Geologic Hazards

Utah Considers Stricter Rules for Development in Landslide Prone Areas

The Utah Governer’s Geologic Hazards Working Group, which includes no one from the private sector, is considering some model legislation that can be adopted by cities and counties to make it more difficult for developers to build in landslide prone areas. Also, among other things, the group may recommend that Utah adopt stricter grading requirements based on the experiences of California. Read on for more info.

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