Ladders used for sweeping should have an OSHA rating of type ____ or ____.

Ladders used for chimney sweeping must meet specific safety standards to ensure the safety of the chimney sweep during operations, which includes climbing and working at heights. The Occupational Safety and Health Administration (OSHA) classifies ladders into different types based on their load capacity. Type 1 ladders are classified as heavy-duty and can support a load of up to 300 pounds. Type 2 ladders are medium-duty and can hold up to 225 pounds.

Using a ladder with a Type 1 or Type 2 designation ensures that it is robust enough to handle the wear and tear during chimney sweeping as well as support the weight of the sweeper and their equipment. This is crucial for preventing accidents and ensuring a safe working environment.

The other classifications such as Type 3 and Type 4 are lower capacity ladders, with Type 3 being light-duty, only supporting up to 200 pounds, making them less suitable for the demands of chimney sweeping. Therefore, adherence to Type 1 or Type 2 ladders aligns with safety protocols and operational effectiveness during chimney work.