Current through October 31, 2024
Section 50.20-25 - Calculations(a) Calculations must be forwarded with plans submitted for approval and must clearly substantiate compliance with this subchapter. Care must be taken to identify sources of equations, factors and other information upon which the calculations are based.(b) The results of the calculations, such as the maximum allowable working pressure (MAWP), test pressure, and safety device settings, must be clearly identified.