1. Requirements

1.1 Notes

NPR 7150.2, NASA Software Engineering Requirements, does not include any notes for this requirement.

1.2 History

2. Rationale

The Headquarters' Office of the Chief Engineer (OCE) is responsible for promoting and monitoring software engineering practices throughout the agency. It achieves this in part by administering software requirements, policies, procedures, processes, statutes, and regulations. The Headquarters' OCE uses continuing periodic oversight of compliance at the Centers and programs/projects to verify that this responsibility is being met.

NPR 7150.2 serves as the basis for compliance appraisals for software engineering. The appraisal typically occurs during an OCE survey of processes and directives and thorough examinations of a project's official records. These surveys are one of the tools used by the OCE to provide oversight, maintain internal control, and review its operations.

While SWE-129 is written from the OCE point of view, the requirement also contains an inherent Center role, i.e., participation in the OCE survey activities. A Center's support of this SWE can be assessed by considering the extent of its preparations for and involvement in these OCE surveys.

3. Guidance

The Headquarters Office of the Chief Engineer (OCE) controls and maintains an appraisal process for use in periodic Center and project OCE compliance surveys.  The OCE compliance survey achieves several objectives. They are:

• Review Center and Project and specified NASA Headquarters organizations’ processes and infrastructure for compliance with OCE requirements, policy, procedures, processes, statutes, and regulations.
• Review specific program/project “files” for compliance with requirements, policy, procedures, processes, statutes, and regulations.
• Identify systemic problems or deficiencies.
• Recognize areas of excellence/best practices.
• Receive Center feedback regarding modifications in Agency policy and requirements.

Currently, the OCE compliance surveys focus on the following core elements:

• The common framework for a unified program and project life cycle.
• Program and project review structure.
• Technical authority implementation.
• Dissenting opinions and deviation/waiver process.
• Software engineering management.
• Systems engineering.
• Lessons learned.
• Technical standards.
• Other.

See also SWE-004 - OCE Benchmarking

In addition to NPR 7150.2, the Headquarters’ OCE compliance survey may also include a review and appraisal of the products resulting from the use of the following documents, to the extent they involve software engineering:

• NPD 7120.4D, NASA Engineering, and Program/Project Management Policy.
• NASA-STD-8739.8 , Software Assurance, and Software Safety Standard.

The NASA standard in this list are traditionally covered in detail by the Office of Safety and Mission Assurance (OSMA) audits conducted by the NASA Safety Center. See also SWE-221 - OSMA NPR Appraisals. 

3.1 Scope of a Survey

The process of determining the scope for a survey addresses the following items at a minimum:

• Requirements implementation and compliance.
• Results from audits, reviews, and assessments conducted by other organizations.
• Trends are identified across the Agency or within a single organization.

Preparations for the survey typically include reviews of the flow down of NASA OCE requirements to Center/Project procedural documents, reviews of organization and program/project-specific documentation, and reviews of other surveys, audits, and assessments. What follows in this guidance is a brief summary of the software engineering survey team's appraisal process. The main thrust of the software subteam's appraisal is built into a set of questions from the OCE. This baseline set of questions serves as guidance to the Center or project to communicate what the OCE wants to review. The survey leader will communicate these questions to the Center's survey manager 3 to 4 weeks before the event, who in turn conveys them to the software point of contact. (SW POC). 

3.2 Use of Objective Evidence

As in many reviews, surveys, and appraisal activities, compliance is often measured against objective evidence. Expected content and types of objective quality evidence are usually defined in the preparation for the software survey. This defined material provides the basis for confirmation of compliance with requirements and identification of strengths and weaknesses. The CMMI Institute provides the Capability Maturity Model Integration (CMMI^®) appraisal method for process improvement. The method provides an excellent discussion of the philosophy and types of objective evidence. The degree to which Centers follow the CMMI^® method can be assessed in an appraisal activity.

See also SWE-036 - Software Process Determination, SWE-126 - Tailoring Considerations, SWE-139 - Shall Statements. 

3.3 Additional Guidance

Additional guidance related to this requirement may be found in the following materials in this Handbook:

3.4 Center Process Asset Libraries

See the following link(s) in SPAN for process assets from contributing Centers (NASA Only). 

4. Small Projects

The OCE survey leader will work with the Center SW POC to develop the appropriate level of survey involvement for small projects. 

5. Resources

5.1 References

5.2 Tools

6. Lessons Learned

6.1 NASA Lessons Learned

No Lessons Learned have currently been identified for this requirement.

6.2 Other Lessons Learned

No other Lessons Learned have currently been identified for this requirement.