scope:

PURPOSE

The National Aeronautics and Space Administration (NASA) will comply with applicable requirements, specifications and/or policy documents. In circumstances where a particular requirement or specification cannot be complied with, a variance or alternate standard request shall be considered. This Stennis Space Center (SSC) standard establishes the requirements and practices for the preparation and submittal of variance and alternate standard requests.

APPLICABILITY

The variance request shall be prepared and submitted when the need exists to depart from a particular requirement, specification and/or policy document as specified in projects, contracts and/or NASA Procedural Requirements, Standards, Manuals, and/or Handbooks.

Form SSC-517 must be completed by a requestor and approved by his/her supervisor, the NASA Safety & Mission Assurance (SMA) Director, and the appropriate Configuration Control Board (CCB) representative or the Facilities Review Board (FRB) representative. In certain instances, the approval of the SSC Center Director and/or the NASA Chief SMA or the NASA Chief Engineer will be required.