Offset measurement basics | TinnerFlow

Reference

Definition

What the word means. This is not a work instruction.

Offset measurement basics

Cutting, Holes, Penetrations & Field Fab 1st Year REF

Watch out

Do not eyeball an offset in the air.

Steps

Measure how far the duct must move.
Measure length available.
Check obstruction size/location.
Note direction: up/down/left/right.
Ask if O.W.L. or fitting is needed.

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