TinnerFlow™2nd YearBlueprint ReadingYELLOW · Check First
It means the architect or engineer knows the building layout could vary from the original digital files. * Do not order or pre-fabricate that specific piece of ductwork based on the drawing scale. You must physically walk to that spot in the building, pull a physical tape measurement across the actual structural space, and build to fit the real field condition.
It means the architect or engineer knows the building layout could vary from the original digital files. * Do not order or pre-fabricate that specific piece of ductwork based on the drawing scale. You must physically walk to that spot in the building, pull a physical tape measurement across the actual structural space, and build to fit the real field condition.
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.