Shale Bluffs work to end Jan. 16

By Real Aspen
December 9, 2010

Rockfall mitigation work on Shale Bluffs will be extended to Jan. 16, the Colorado Department of Transportation announced this week.

Contractor Rocksolid Solutions has experienced a number of bad weather days where neither hillside work nor highway lane closures were advisable. The $1.5 million project began on Sept. 13 and was initially scheduled for completion by the end of November.

Traffic backed up on Highway 82 at Shale Bluffs.
Troy Hooper

In addition, the Colorado Department of Transportation has added some work to the project that will require additional time to complete. CDOT added 75,000 square feet of wire mesh, which will be placed on the slope under the cable netting.

“This mesh has smaller openings designed to keep the small rocks and debris from sloughing off the slope, as routinely happened before,” CDOT Project Engineer Josh Cullen said. “We’re also going to repair a damaged concrete retaining wall panel on the down-valley lanes.”

The specific location for this work — and resulting travel impacts — is at mile marker 35 to 36, just up-valley from the intersection of Brush Creek Road.

Rocksolid Solutions will be conducting the following work to reduce rockfall potential along this stretch of SH 82: rock scaling (bringing loose rock material down by hand or machine); rock anchoring (drilling and inserting steel bars into hillside, typically 8 to 10 feet long); installation of approximately 71,000 square feet of steel cable netting/mesh; cleaning out of existing accumulated rock debris behind barrier; repairing/patching of existing concrete barrier and roadway, where necessary; and retaining wall repair.

TRAVEL IMPACTS UPVALLEY: During rockfall work, a daily right-lane closure (Monday-Friday and some Saturdays) is in place along eastbound (up-valley) SH 82, avoiding the peak commute hours of 6AM to 9AM. Full traffic stops, lasting up to 15 minutes, in both up-valley lanes will be necessary on occasion to allow for rock scaling or other work that may dislodge rocks.

DOWNVALLEY: When this hillside work is complete, crews will set up the single lane closure for down-valley travel to repair the damaged barrier. Crews will be off the road by 3PM each day for the Mon-Fri peak traffic hours for down-valley travel. This will only be a 3 to 4-day operation that will begin in January. There will be no work Thursday through Sunday over holiday weekends.

For information on other CDOT projects, the public may call 511 or log onto CDOT’s traveler information web site at www.cotrip.org.


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