Industrial size HVAC chillers present multiple fall protection hazards. When located on a rooftop near an unprotected edge, simply approaching the chiller may expose your worker to the risk of falling. Roof edge guardrail, horizontal lifelines, and fixed anchor points can all be designed to protect your workers as they approach and service the lower areas of the equipment. However, from a hazard analysis standpoint, access to the fans from the top of the housing is probably the area with the greatest risk of falling. Read more.