The Chicago Plumbing Code

Formulas using a 22½° Offset

Formulas

Travel

  • Travel = Set X 2.6131
  • Travel = Advance X 1.0823

Advance

  • Advance = Set X 2.4142
  • Advance = Travel X .921

Set

  • Set = Advance X .4142
  • Set = Travel X .3826