How do I install a cleanout access door in a welded grease duct?

The access door assembly must be constructed of the same material and thickness as the duct (16-gauge steel or 18-gauge stainless). It must use high-temperature, liquid-tight gaskets rated for at least 1,500 ∘ F (815 ∘ C).

['The access door assembly must be constructed of the same material and thickness as the duct (16-gauge steel or 18-gauge stainless). It must use high-temperature, liquid-tight gaskets rated for at least 1,500 ∘ F (815 ∘ C).', 'Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.']

Stop if

• 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.

Check

• Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.

Steps

• Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.
• The access door assembly must be constructed of the same material and thickness as the duct (16-gauge steel or 18-gauge stainless). It must use high-temperature, liquid-tight gaskets...
• Install the door on the top or sides of the duct-never on the bottom horizontal surface where liquid grease pools.

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