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Smokestack / Industrial Chimney Inspections.

Industrial chimneys are required to have ongoing visual inspections and hands on inspections every 5 years according to the American Society of Civil Engineers [1.]. Class I inspections are done with binoculars. Class II inspections are done with a crane or installing a temporary ladder on the chimney. Typically, there is a ladder on the inside of industrial chimneys, but these are not safe to climb. During inspections deterioration is noted where after repairs can be suggested that conform to industrial standards [2., 3.]. For more information see the links below:

References:

[1.] Chimney and Stack Inspection Guidelines https://ascelibrary.org/doi/abs/10.1061/9780784406939

[2.] https://continentalchimney.com/ FUNDAMENTALS OF REGULAR CHIMNEY INSPECTION CLASS I https://continentalchimney.com/fundamentals-of-regular-chimney-inspection-class-i/

[3.] https://continentalchimney.com/ FUNDAMENTALS OF REGULAR CHIMNEY INSPECTION CLASS II https://continentalchimney.com/fundamentals-of-regular-chimney-inspection-class-ii/