The Chicago Plumbing Code

30° Single Offset

Formulas

Travel

  • Travel = Set X 2.00
  • Travel = Advance X 1.1547

Advance

  • Advance = Set X 1.7321
  • Advance = Travel X .866

Set

  • Set = Advance X .5774
  • Set = Travel X .500

30° fittings are n ot available for soil or screw pipe.