Tay River Watercourse Crossing Design
CLIENT: Freshwater Conservation Canada (formerly Trout Unlimited Canada)
AJM was thrilled to earn an opportunity to support the Freshwater Conservation Canada (formerly Trout Unlimited Canada) Bringing Back Bull Trout – Tay River project, a project intended to increase the sustainability of OHV trail use occurring near sensitive fish habitat and reduce potential negative impacts of public land recreational activities on Critical Habitat for native, at-risk populations of Bull Trout.
In support of the project’s planning and permitting phase, AJM collaborated with a trusted engineering service provider partner (Chevallier Geo-Con Ltd.) to identify trail re-routing options and confirm most-appropriate sustainable purpose-built watercourse crossing structures for four existing highly degraded OHV ford crossings of the Tay River and its tributaries. Our team’s work scope included desktop analysis, drone imagery collection and interpretation, field reconnaissance and assessment of aquatic habitat characteristics and validation of appropriate crossing orientation and structure type/size at each of the project locations. Crossing structure recommendations included single-span bridge, closed-bottom culvert, and enviro-span modular culvert types.
To support construction planning and permitting, our team reviewed and confirmed appropriate typical design drawings for application, summarized aquatic habitat use/potential in the vicinity of the crossings, confirmed regulatory permitting requirements of each crossing type, estimated construction budgets, supplied materials lists for contractor reference, and outlined most-appropriate best management practices for adoption during construction.
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