McMahon & Mann Consulting Engineers provides civil engineering consultation services, specializing in geotechnical and geoenvironmental engineering. The firm focuses on solving subsurface engineering problems and is experienced in the design, and monitoring of geotechnical engineered facilities.

The firm's areas of expertise include:

Foundation systems for bridges and buildings.
Earth embankments and slopes, including earth dams.
Excavations in soil and rock, including shoring and excavation support.
Earth retaining structures, including mechanically stabilized earth walls, gravity walls, and cantilever walls.
Waterfront structures.
Ground improvement.
Subsurface exploration and testing.
Site remediation.
Containment facilities, including liner systems and barrier walls.
Environmental impact estimates.
Mining exploration and permit applications.
Condition assessment and evaluation of existing foundation elements, retaining wall elements, ground anchorages and other geotechnical facilities.

While most of the work has been conducted in the Western New York region, as word spread about the firm's expertise, McMahon & Mann has been retained for many specialized assignments in other areas, some as close as Pennsylvania, others ranging from New Hampshire to Nevada.

Professional Organizations

The engineers at McMahon & Mann are members of a number of regional, state and national professional societies, and some have played active leadership roles. Don McMahon is a past president of the Erie/Niagara Chapter of the New York State Society of Professional Engineers, as well as past president of the Engineering Society of Buffalo.