TinnerFlow™3rd YearSealing & InsulationRED · Stop / Verify
Secure your safety harness lanyard to an approved, engineered structural overhead anchor point or horizontal lifeline system before approaching within 6 feet of the unprotected shaft edge.
Secure your safety harness lanyard to an approved, engineered structural overhead anchor point or horizontal lifeline system before approaching within 6 feet of the unprotected shaft edge.
Keep your body weight centered low, use a dedicated tag line tied to the bottom of the duct section so workers below can stabilize the piece, and never lean over the open edge to catch a swinging load with your hands.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.