When the architectural firm of Gaboury and Associates designed the exercise yard for the hospital in Selkirk, Manitoba, they decided to use a repeating pattern of curves and corners. This pattern creates a visually interesting environment for the patients and workers, but created some form design challenges for the contractor.

The first concern was creating the curved walls of various radiuses without “chording” to meet the architectural finish specifications. The curved sections featured horizontal rus‑ tications on the inside and outside, with ad‑ ditional relief details on the outside surfaces of the wall.

Joining the curved sections at 90° angles was another challenge that the contractor needed addressed in the formwork plans. Vertical rus‑ tication strips were utilized at some of these corners but not at others, and the contractor was concerned that this would create difficul‑ ties with form reuse patterns.

Symons® by Dayton Superior submitted a plan to use the Flex‑Form forming system on the curved walls, and Steel‑Ply for the corner details. Wood strips and squares, fastened to the face of systems, provided the repeated relief details. It was suggested that the con‑ trator utilize two sets of forms so that setting, pouring and stripping operations could be continuous and simplify the Flex‑Form system radius adjustments.

Although the crew was initially unfamiliar with the systems, Bockstael Construction reports that the plan was easy to follow and that they were impressed with how easy they were to work with.

Flex-Form® All Steel Flexible Forming System


Steel-Ply® Concrete Forming System

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