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Saluda Dam Remediation Project (Dams & Reservoirs)

“Barnard Construction Company, Inc. exceeded all of our expectations. Your organization proved flexible in eliminating weather-related delays; innovative in designing and building specialty tools and equipment for unique applications; committed to safety of the public, subcontractors and your employees by maintaining an accident frequency ratio 70 percent better than the industry average; and responsible in working with South Carolina Electric & Gas in our dealing with the community by participating in public meetings, readily providing site tours, and supporting community charities and events.” Jim Landreth, Vice President, SCE&G

Wedging a 1.5-mile-long, 208-foot-high RCC dam between an earthen dam and an active powerhouse on an expedited schedule resulted in the country’s largest ongoing dam construction project during all three years Barnard spent building the Saluda backup dam. Seismic stability tests showed that the original 1930s-era earthen Saluda Dam needed bolstering to protect South Carolina’s capital, Columbia, and its 125,000 residents, just 10 miles downstream. Yet draining the upstream lake to strengthen the dam would deflate the economy built along 600 miles of shoreline and reduce the utility’s hydropower source. So, SCE&G hired Barnard to build a backup dam immediately downstream on a site that required working around two active power plants, five penstocks, two circulation pipelines, high-voltage transmission lines, and a high-pressure gas line, all bisected by a river.

Over three years, we achieved an excellent safety record and met or beat all milestones. Unforeseen foundation conditions meant our excavations below the dam would need extensive dewatering and be limited in size at any given time. A lowered Lake Murray was refilled a full year ahead of schedule as a result of Barnard’s value engineering ideas. Our Team designed, implemented and patented a filter placement method that’s since become an industry standard. We also designed an RCC truck placement method that allowed for a separate simultaneous RCC placement with the all-conveyor system. And then we ran these methods in tandem around the clock. Partnering brought all stakeholders on board. The hard work of more than 650 employees putting in over 1.2 million hours secured Columbia’s safety.

Saluda Dam Remediation Project (Dams & Reservoirs)

Dams & Reservoirs Business Development

Kevin Schneider
p: (406) 586-1995 x222
e: kevin.schneider@barnard-inc.com

Gavin Tasker
p: (406) 586-1995 x324
e: gavin.tasker@barnard-inc.com

Del Shannon, P.E.
p: (406) 586-1995 x347
e: del.shannon@barnard-inc.com

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