1、Lessons Learned Entry: 1770Lesson Info:a71 Lesson Number: 1770a71 Lesson Date: 2006-8-23a71 Submitting Organization: JSCa71 Submitted by: Ronald MontagueSubject: Grandfathering of Evolving Consensus Codes Abstract: Understanding of the subject of NASA and NFPA code retroactivity will minimize confus
2、ion as to applicability of evolving code prescriptions in existing NASA facilities.Description of Driving Event: Recent mishaps have brought added focus on the concept of “grandfathering“ new requirements in evolving codes and standards. One product of this added scrutiny was a briefing put together
3、 by JSC Safetys support contractor on this concept as used in the National Fire Codes etc. which constituted an excellent insight into this concept. General lack of knowledge on the subject of NASA and NFPA code retroactivity contributed to confusion as to applicability of code prescriptions in exis
4、ting NASA facilities.Lesson(s) Learned: The practice of grandfathering of evolving requirements has been occasionally abused. Attached to this lesson learned is a presentation that reveals how it is used in the National Fire Codes. A careful understanding of the grandfathering principles will enhanc
5、e end user responsiveness to new requirements and ensure safety for personnel and assets.Recommendation(s): Review the attached presentation for applicability to your operations. Understand the limitations of grandfathering as a universal approach to new requirements, limited funding, and the safety
6、 of your operations and assets.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Evidence of Recurrence Control Effectiveness: NoneDocuments Related to Lesson: See attached powerpoint presentation Click here to download document. Mission Directorate(s)
7、: a71 “Additional Key Phrase(s): a71 Program Management.Contractor relationshipsa71 Program Management.Cross Agency coordinationa71 Program Management.Program level review processesa71 Program Management.Program planning, development, and managementa71 Program Management.Risk managementa71 Missions
8、and Systems Requirements Definition.a71 Missions and Systems Requirements Definition.Configuration control and data managementa71 Systems Engineering and Analysis.a71 Systems Engineering and Analysis.Engineering design and project processes and standardsa71 Systems Engineering and Analysis.Planning
9、of requirements verification processesa71 Safety and Mission Assurance.Advanced planning of safety systemsa71 Safety and Mission Assurance.Configuration Change Controla71 Safety and Mission Assurance.Early requirements and standards definitiona71 Safety and Mission Assurance.Impact of human factors
10、on systems requirements and designsa71 Safety and Mission Assurance.Maintenancea71 Safety and Mission Assurance.Product Assurancea71 Safety and Mission Assurance.Qualitya71 Safety and Mission Assurance.Reliabilitya71 Safety and Mission Assurance.Review systems and boardsa71 Additional Categories.Con
11、figuration Managementa71 Additional Categories.External Relationsa71 Additional Categories.Facilitiesa71 Additional Categories.Fire Protectiona71 Additional Categories.Hazardous/Toxic Waste/Materialsa71 Additional Categories.Human Resources Space Flight ProgramsApproval Info: a71 Approval Date: 2007-07-13a71 Approval Name: ghendersona71 Approval Organization: HQProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
