Layout & Coordination · Field verify

Measure before fabrication

Square Duct Installation — Existing conditions

Task typeField verify
Tools / equipmentTape, laser, camera

How to install it

  1. 1

    Measure structure, walls, installed trades, openings, and equipment

  2. 2

    record from fixed references

  3. 3

    take photos and sketch.

Quality check

  • Dimensions repeatable
  • references labeled

Stop and verify

Stop if hidden conditions remain