FileName.pptx Date: 4 November 2014 Reliability, Availability, and Maintainability including Testability and Software Reliability Policy Updates Presented by: Robert S Smith and Judy M. Potter-Shields General Engineers U.S. Army Aviation and Missile Research, Development, and Engineering Center Presented to: RAM VII Training Summit The Westin Huntsville, Alabama IAW DoD Directive 5230.24, DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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Date: 4 November 2014 Reliability, Availability, and Maintainability including Testability and Software Reliability Policy Updates Presented by: Robert.
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Date: 4 November 2014
Reliability, Availability, and Maintainability including
Testability and Software Reliability Policy Updates
Presented by:
Robert S Smith and
Judy M. Potter-ShieldsGeneral Engineers
U.S. Army Aviation and Missile Research, Development, and Engineering Center
Presented to:
RAM VII Training Summit
The Westin
Huntsville, Alabama
IAW DoD Directive 5230.24, DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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• Purpose Provide an update to the RAM community of DoD R&M Engineering Activities
• Contents Policy Guidance Standardization
Purpose/ContentsPurpose/Contents
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Reliability, Availability, Maintainability and Cost
(RAM-C) Rationale Report
Reliability, Availability, Maintainability and Cost
(RAM-C) Rationale Report
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1. Executive Summary A. RAM-C Report and Timing
B. Sustainment Rationale
1) Description of Sustainment Parameters
2) Operational Mode Summary/Mission Profile
3) Product Support Strategy
C. Verification Assessment
D. Feasibility Assessment
E. Summary
2. Introduction – Purpose, Changes, and Preparers
A. Purpose
B. Changes
C. RAM-C Preparers
3. Sustainment KPP/KSAs/APAs Overview and Program Data A. Sustainment Metrics
B. Operational Information
C. Product Support Strategy
RAM-C FormatRAM-C Format
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4. Assessment of Sustainment Parameters A. Definitions
B. Sustainment KPP/KSA/APA Verification
1) Operational Availability (AO) Verification
2) Materiel Availability (AM) Verification
3) Mission Reliability Verification
4) O&S Cost Verification
5) Verification Summary
C. Sustainment KPP/KSA/APA Feasibility
1) Sustainment Metrics Feasibility
2) O&S Cost Feasibility
3) AO and AM Feasibility
4) Feasibility Summary
5. Tradeoff Analysis
6. Summary
RAM-C FormatRAM-C Format
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Army Regulation (AR) 702-3Army Regulation (AR) 702-3
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• Important AR 702-3 Reminders:
– A RAM-C report is required by the Army for any program with RAM requirements.
– The DOTE FDSC policy* has been implemented in Army policy.
* 10-05-12 Independent Operational Test and Evaluation (OT&E) Suitability Assessments
AR 702-3AR 702-3
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Standardization & Data Item Descriptions (DIDs)
Standardization & Data Item Descriptions (DIDs)
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• What is DID situation as it relates to R&M?
• What is available for R&M DIDs including testability and SW Rel?
• Failure Modes, Effects, and Criticality Analysis Report DI-ILSS-81495, Failure Mode Effects, and Criticality Analysis Report, 30 Oct 1995 and Validation 10
Sep 2014
• Failure Summary & Analysis Report DI-RELI-80255, Failure Summary and Analysis Report, 17 Oct 1986
• Reliability & Maintainability (R&M) Allocation Report DI-RELI-81496, Reliability Block Diagrams and Maintenance Models Report, 30 Oct 1995 validated
on 10 Sep 2014
• R&M Block Diagrams and Mathematical Models Report DI-RELI-81496, Reliability Block Diagrams and Maintenance Models Report, 30 Oct 1995 validated
on 10 Sep 2014
• R&M Predictions Report DI-RELI-81497, Reliability Prediction and Documentation of Supporting Data, 30 Oct 1995 validated
on 10 Sep 2014
• R&M Program Plan DI-SESS-81613, Reliability and Maintainability (R&M) Program Plan, 1 Aug 2001 DI-MNTY-81600, Maintainability Program Plan, 08 Feb 2001 DI-ATTS-81270, Testability Program Plan, 12 Jun 1992
Initial DIDs ReviewedInitial DIDs Reviewed
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• Determined that new/updates to R&M DIDs were needed for Failure Modes, Effects, and Criticality Analysis Report Failure Summary & Analysis Report Reliability and Maintainability (R&M) Allocation Report Reliability and Maintainability (R&M) Block Diagrams and Mathematical
Models Report Reliability and Maintainability Predictions Report Reliability and Maintainability (R&M) Program Plan