McMahon & Mann Consulting Engineers, P.C. 2495 Main Street, Suite 432

Dam Engineering

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Dams are an important part of our infrastructure, creating water supply reservoirs, serving as storm water and flood control structures, hydroelectric generating facilities and creating recreation lakes. Many dams in existence today were constructed in the first half of the 20th century and are showing their age. These structures require rehabilitation to bring them into compliance with current dam safety standards and keep them safe for public use.

MMCE's services include characterizing the geology and hydrogeology of the dam embankment foundation and surrounding valley, evaluating the stability of the embankment and spillway and the capacity of the spillway to pass the design storm. We have also designed earth and rock anchorages to improve the stability of slopes and embankments. In addition to remedial work on dams, the principals at MMCE recently served as expert witnesses for three dam failures in New York State.

MMCE has also pioneered the development of non-destructive test methods to evaluate the condition of dam tiedowns including an assessment of whether they have corroded and lost tensile capacity. We have successfully applied these test methods to two dams in New Brunswick, Canada. Currently, these condition assessments are carried out by MMCE's sister firm Earth Reinforcement Testing, Inc. 



Projects

Chestnut Ridge Park Dam

Chestnut Ridge Park Dam

Installing Piezometers in the Embankment
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Relief Well Pump Tests, Elmira and Portville, NY

Relief Well Pump Tests, Elmira and Portville, NY

Monitoring the Down hole Video Camera in the Relief Well
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