Archived Rulemaking: Transportation of natural or other gas by pipeline; Design of Plastic Pipelines
Correction In FR Doe. 78-3757 appearing at page 13880 in the issue for Monday, April 3, 1978, in the middle column of page 13883, the formula appearing in § 192.121 should have read as set forth below:
P = (2St)/(D-t) * 0.32
P = Design pressure, gage, kPa (psi)
S = For thermoplastic pipe the long-term hydrostatic strength determined in accordance with the listed specification at a temperature equal to 23*C (73°F). 38°C (100'F), 49*C (120°F) or 60°C (140F); for reinforced thermosetting plastic pipe, 75,800 kPa (11,000 psi)