Multi-Phase Project: Phase

North Fork Spillway Soil Nail Wall

Brayman was subcontracted to install a 5719 SF soil nail wall as part of a spillway expansion project at the North Fork Dam near Black Mountain, NC. Both soil nails and tieback anchors were installed on this wall which served as a slope stabilization measure for construction of a permanent access road on the site.
location
Asheville
,
North Carolina
ESTIMATED VALUE
$555,000
owner
City of Asheville Water Resources Department
Completion date
08/2018
general contractor
Phillips and Jordan
Market
Locks & Dams
Multi-Phase Project: Phase

North Fork Spillway Soil Nail Wall

Brayman was subcontracted to provide specialty geotechnical construction services in support of a spillway expansion project at the North Fork Dam near Asheville, NC. This dam is located at the Black Mountain Reservoir, which provides the water supply to the City of Asheville. Brayman’s scope of work included the installation of a 5719 square-foot soil nail wall.

The wall was constructed in two sections, the Primary “lower” wall which contained 112-ea soil nails, and the Secondary “upper” wall which contained 21 tieback anchors and 25 soil nails. Pressures up to 140 psi were used for grouting the tiebacks. Brayman utilized shotcrete to construct the tieback anchor blocks in lieu of standard precast blocks. The project was completed with zero safety incidents despite the remote jobsite access and difficult weather conditions.

North Fork Spillway Soil Nail Wall

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