This App calculates hoop stress and wall thickness for project specific design conditions, in accordance with sections: 6. 4. 1 & 6. 4. 2 of "PD 8010-2: 2004, Subsea Pipelines". This App requires user input in Metric Units. Once the inputs are filled in correctly, press the "Run Calculation" button, the wall thickness results will be displayed in the Cyan fields.