A stairway project near the dam in Sabino Canyon is about 30 days from completion a effort two decades in the making that aims to make hiking safer and more enjoyable.At 79 years old, Darrell Klesh is working to restore a piece of history deep within Sabino Canyon."It's sorely needed," Klesh said. The trail's current condition reveals safety hazards for hikers. Klesh said the need for the project has been apparent for some time."Since we've been…