The objective of this study was to prepare designs and specifications for improvements to existing ice booms in the international portion of the Saint Lawrence River to allow extended season navigation through 31 December of each year. The study involved the construction and operation of a distorted scale (horizontal scale 1:150, vertical scale 1:60) hydraulic model of the section of the river extending from Stillwells Point, New York downstream to Red Mills, New York. The design and construction of the model are described. The model was used to develop and test concepts for improving the booms to permit navigation while maintaining or improving the stability of the ice cover and the hydraulic integrity of the river. These tests involved model ship passages through consolidated and unconsolidated ice conditions with and without simulated high winds. Results from the model were used to design structural components and to assess the impact on levels and flows of the river and Lake Ontario due to ice passing downstream of the booms.


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    Saint Lawrence waterway

    Kerry, J.G.G. | Engineering Index Backfile | 1951


    Saint Lawrence waterway

    Kerry, J.G.G. | Engineering Index Backfile | 1951


    Saint Lawrence seaway

    Cornick, H.F. | Engineering Index Backfile | 1950


    Saint Lawrence waterway

    Kerry, J.G.G. | Engineering Index Backfile | 1951