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PRESSURE VESSELS AND PRESSURIZED SYSTEMS

The PV/S Program and Staff are now part of KSC Safety and Mission Assurance Directorate (SA)

The NASA PV/S program is lead by the pressure systems manager (PSM). The PSM is responsible for ensuring compliance to KNPR 8715.3 Attachment E, which complies with NASA policy's NPR 1710.5 and NASA-STD-8719.17. The PSM holds quarterly PV/S Safety Committee meetings with the O&M contractors, and NASA systems engineers to discuss current certification and inspection status, important code or policy changes, any incidents in the previous quarter, or other PV/S issues.

NASA PV/S is charged with ensuring all new designs and procurements comply with the ASME Boiler and Pressure Codes, and the appropriate piping standard. Designers should be sure to include PV/S representation on their 30/60/90 and 100% design reviews to ensure PV/S certification requirements are met before installation and operation.

The PV/S program covers both internal and external (vacuum) pressure vessels and pressure systems. There are very few exemptions to certification, and those can be found in KNPR 8715.3, but exemptions must be cleared through the PSM and documented. Mobile Equipment operated and maintained on KSC are 49 CFR compliant.

Examples of covered PV/S include:

  • Cryogenic Dewars
  • Pipelines/Piping Systems
  • Large air receivers
  • Vacuum vessels
  • Pressure vessels

KSC has approximately 3,000 pressure vessels and related systems.

The certification is a review of the related manufacturing documentation, an inspection of the vessel or system, and its operating history. The certification also includes a schedule for inspections and recertification intervals.

PV/S questions or concerns should be directed to the Pressure Systems Manager.



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Last Updated: August 11, 2010
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