As an employee stepped on the grate section of a tower drain basin, an angle support on one end broke free from the concrete basin and allowed the grate to pivot on the center support and tip, causing the grating and employee to slide approximately seven feet onto the bottom of the basin. The employee was able to climb out of the basin but had sustained injuries that required medical attention and elbow sutures as a result of the fall.Grating or similar walkway supports can be installed in a manner that prohibits personnel from seeing degraded or failing supports. Support modification or periodic monitoring of such installations is needed to ensure they do not fail while in-use.
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