McMahon & Mann Consulting Engineering and Geology, P.C.

Niagara River Breasting Cell

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Niagara River Breasting Cell
Project Details
Location: Tonawanda, New York
Client: Marathon Ashland Petroleum, LLC
Client Contact: Mr. Larry Clark, P.E. 419-421-2492

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McMahon & Mann prepared design plans for a mooring cell for the Marathon Ashland Petroleum, LLC (MAP) Tonawanda, New York terminal. The cell is located in the Niagara River and MAP will use it to secure its barges for unloading asphalt products.

McMahon & Mann drilled test borings on shore and surveyed the topography of the riverbed. We worked with the U.S. Army Corps of Engineers and the New York State Department of Environmental Conservation to secure the necessary permits for the facility.

The 27-foot diameter cell was built with steel sheet piles and filled with crushed rock. The top of the cell has a concrete cap and a bollard for anchoring the barges. Rock anchors were extended from the concrete cap into the underlying rock to resist the overturning moments applied by the current, wind and ice loads. 

We also designed a walkway extending from the shore to the cell and a railing around the top of the cell. 

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