Roof construction, aerial man lift: JLG 60H 60 platform height, 1,000 lb hydraulic telescoping boom aerial lift lifts two workers and plywood sheathing to roof of 4-story concrete block wall multi-unit residential building. The right-side worker is outside lift standing on roof sheathing, wearing body harness that is not connected to provide fall protection. Therefore, the only fall protection is the physical presence of the lift platform and guardrails. Roof framing is galvanized sheet metal trusses that supports plywood sheathing. Ft. Myer Beach, Florida November 2005.