Missing slope/drainage needs on special exhaust

For special exhaust or drainage-sensitive runs, verify slope/drainage before layout. Do not assume level duct is acceptable.

Stop if

• Does this special exhaust run need slope/drainage, and which direction should it fall?

Watch out

• Do not guess slope, drain direction, or low point on special exhaust.

Check

• Check drawings/specs for slope/drain notes.
• Identify low points, drains, cleanouts, or special exhaust requirements.
• Coordinate with supports and elevation.
• Confirm direction of fall.
• Ask before changing slope.

Steps

• Check drawings/specs for slope/drain notes.
• Identify low points, drains, cleanouts, or special exhaust requirements.
• Coordinate with supports and elevation.
• Confirm direction of fall.
• Ask before changing slope.

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