ELLIS Engineering Inc.
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Movable Bridges

Bridge No. 21 Structural Analysis and Modelling

Location: Clarence Street over the Welland Shipping Canal, Port Colborne
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Client: St. Lawrence Seaway Management Corporation
​ELLIS Engineering Inc. (ELLIS) was retained by the St. Lawrence Seaway Management Corporation to complete a structural analysis, modelling, and load evaluation for this structural steel vertical lift bridge in accordance with the Canadian Highway Bridge Design Code (CHBDC CSA S6:19). ELLIS completed a supplemental site inspection, including drone inspection; modelled the structure in finite element software; determined the load carrying capacity of the structure; and prepared a detailed report, including recommendations for the maintenance of the structure to maximize service life.
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Bridge No. 4 Structural Analysis and Modelling

Location: Queenston Street over the Welland Shipping Canal, St. Catharines
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Client: St. Lawrence Seaway Management Corporation
ELLIS Engineering Inc. (ELLIS) was retained by the St. Lawrence Seaway Management Corporation to complete a structural analysis, modelling, and load evaluation for Bridge No. 4 Bascule and Fixed Approach Spans in accordance with the Canadian Highway Bridge Design Code (CHBDC CSA S6:19). ELLIS completed a supplemental site inspection, including drone inspection; modelled the structure in finite element software; determined the load carrying capacity of the structure; and prepared a detailed report, including recommendations for rehabilitation and maintenance of the structure to maximize service life.
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Bridge No. 1 Movable and Fixed Span Bridges Structural Modifications

Location: Lakeshore Road and Lock No. 1, Welland Canal, St. Catharines
Client: St. Lawrence Seaway Management Corporation
ELLIS Engineering Inc. (ELLIS) was retained by Martin Engineering Inc. in 1995 to complete a feasibility study and design alternates report for the elimination of the rail track right-of-way on both the fixed and bascule spans that carry Lakeshore Road over Lock 1. ELLIS also completed a condition survey, load test analysis and a structural evaluation report for the fixed span widening in 1996. Finally, ELLIS designed, prepared drawings, and prepared technical specifications for the Lock 1 Rolling Bascule Bridge structural steel modifications and widening (1999) and the deck modifications and roadway widening of the fixed span bridge (2005).
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  • Home
  • Services
  • Projects
    • Vehicular Bridges
    • Pedestrian Bridges
    • Movable Bridges
    • Culverts
    • Retaining Walls
    • Marine Structures
    • Structural Evaluation
    • Structure Inspections
    • Hydroelectric
  • About Us
    • Our Team
    • Recognition & Awards
    • Media