Layout & Coordination · Offset

Lay out rise and travel

Square Duct Installation — Single-plane obstacle

Task typeOffset
Tools / equipmentTape, calculator, level

How to install it

  1. 1

    Measure required shift and available travel

  2. 2

    select fitting angle

  3. 3

    mark start/end stations

  4. 4

    verify resulting elevation.

Quality check

  • Offset clears obstacle and remains in one plane

Stop and verify

Stop if offset changes access or airflow without approval