Drawing takeoffs

How to perform a duct takeoff

Measure ductwork on a PDF drawing and transfer it into the ductwork calculator.

1. 1

   Upload the drawing

   Open Takeoffs → Duct and upload the PDF.

2. 2

   Set the scale

   Accept the detected scale, choose a preset or calibrate a known distance.

3. 3

   Trace the centreline

   Choose Trace length and trace the duct centreline. Double-click or press Enter to finish.

4. 4

   Split runs where they change

   Start a new item at branches, or wherever size, orientation, protection or mechanical system changes.

5. 5

   Describe each run

   Enter the item, level, width and height in millimetres, FRL, orientation, product, exposure and the wall and floor penetration counts.

6. 6

   Add rises and drops

   Use Insert Rise / Drop at control points.

7. 7

   Count without lengths

   Use Count to tally ducts by item and level. Counts are not transferred to a calculator.

8. 8

   Confirm and transfer

   Confirm the items, then preview and transfer them to the ductwork calculator.

9. 9

   Mark up and save

   Use the legend or markups, download the marked drawing or register, then save the project.