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The Guardian Fall Team Blog

The newly constructed Saint Francis hospital required tie-back anchors that allowed future maintenance workers to access the building façade to perform tasks such as window washing. These tie-back anchors would allow the workers to suspend in a bosun’s chair from one tie-back anchor and while having a secondary fall arrest line connected to another, separate independent anchor.

The anchorage points featured a single bolt design for easy installation by sandwiching the concrete over metal deck structure with a single backing plate. Prior to completing the anchor installation, a mock-up was installed and tested to ensure that the anchor design met the 100% post-installed load testing requirement. These particular tie-backs were proof load tested to 2,500 pounds or 50% of the design load.

In total, 228 tie-back anchors were successfully installed on the roof in order to provide complete façade coverage and each tie-back anchor was fully insulated to prevent condensation, rust, and roof leaks.

LOCATION

Tulsa, OK

System Designer

ESG Lead Design Engineer, Nathan Louws - This email address is being protected from spambots. You need JavaScript enabled to view it.

Field Representative

ESG Lead Design Engineer, Nathan Louws - This email address is being protected from spambots. You need JavaScript enabled to view it.