4.3.18. Design Considerations

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DEFENSE ACQUISITION GUIDEBOOK
Chapter 4 -- Systems Engineering

4.3.18. Design Considerations

The program should review the requirements to determine conformance with Government policy and legal compliance and to identify potential integration and interoperability challenges. The Program Manager and Systems Engineer should consider and document all statutory and regulatory as well as other design considerations in order to:

Satisfy the unique needs of the program or system (user capabilities, and operational performance requirements) while balancing cost and schedule constraints, through trade-offs, by addressing the design considerations (as mandated in the Systems Engineering Plan (SEP) and DoDI 5000.02) and management tools listed in Table 4.3.18.T1 Design Considerations
Translate the end user desired capabilities into a structured system of interrelated design specifications
Enable trade-offs among the design considerations in support of achieving desired mission effectiveness within cost and schedule constraints
Translate the end-user desired capabilities into a structured system of interrelated design specifications that support delivery of required operational capability
Incorporate mandated design considerations into the requirements since some design considerations are mandated by laws, regulations, or treaties, while others are mandated by the domain or Service / Component; these mandates should be incorporated during the Requirements Analysis process to achieve balance across all of the system requirements

Some design considerations are concepts that assist trade-offs and ought to be accommodated or applied to each system/program/project. Others are constraints, boundaries, or limitations, with values that sometimes can be tailored or negotiated, but which in general represent fairly immovable parts of the trade space. The Program Managers and Systems Engineers should show evidence of critical thinking in addressing the design considerations, as documented in the program SEP. The mandated SEP Outline Table 4.6-1 identifies design considerations critical to achieving the program’s technical requirements and demonstrates that the mandated design considerations are an integral part of the design decision process, including trade study criteria.

With the understanding that each design consideration is a discrete item to investigate during the design process, the Program Manager and Systems Engineer also need to view design considerations as an integrated set of variables. These variables influence one another, and stakeholders should consider them in conjunction with one another, as early as the Analysis of Alternatives, to achieve better mission performance and to preclude a stove pipe view during design.

The design considerations listed in Table 4.3.18.T1 need to be assessed for applicability to the system since they may not all be appropriate. Table 4.3.18.T1 is not all inclusive and does not include any additional design considerations levied by the Service, Center, platform, or domain. Not all design considerations are equally important or critical to a given program, but all should be examined for relevancy.

Design Consideration	DAG Section Number	Statutory Requirement	Policy & Guidance
Accessibility (Section 508 Compliance)	4.3.18.1.	Section 508 of the Rehabilitation Act of 1973 (as amended 36 CFR Part 1194)	DoDD 8000.01 DoD 8400.01-M FAR 39.204
Affordability - SE Trade-Off Analysis	4.3.18.2.		USD(AT&L) memorandum, “Better Buying Power 2.0: Continuing the Pursuit for Greater Efficiency and Productivity in Defense Spending,” November 13, 2012 USD(AT&L) memorandum, ”Implementation Directive for Better Buying Power—Restoring Affordability and Productivity in Defense Spending,” November 3, 2010 USD(AT&L) memorandum, “Better Buying Power: Guidance for Obtaining Greater Efficiency and Productivity in Defense Spending," September 14, 2010
Anti-Counterfeiting	4.3.18.3.	FY2012 National Defense Authorization Act (NDAA)	USD(AT&L) memorandum, “Overarching DoD Counterfeit Prevention Guidance,” March 16, 2012
Commercial-Off-the-Shelf (COTS)	4.3.18.4.	Sections 403 and 431 of title 41, United States Code Public Law 103-355 Public Law 104-106	DoDI 5000.02, Enclosure 2
Corrosion Prevention and Control (CPC)	4.3.18.5.	Section 2228 of title 10, United States Code	DoDD 5000.01, Enclosure 1, paragraph E1.1.17 DoDI 5000.02, Enclosure 12, paragraph 7 DoDI 5000.67 PDUSD(AT&L) memorandum, “Document Streamlining – Program Strategies and Systems Engineering Plan,” April 20, 2011 DoD Corrosion Prevention and Control Planning Guidebook DFARS 223.73
Critical Safety Item (CSI)	4.3.18.6.	Section 802 of Public Law 108-136 Section 130 of Public Law 109-364 Section 2319 of title 10, United States Code	DoD 4140.1-R JACG Aviation CSI Management Handbook SECNAVINST 4140.2 AFI 20-106 DA Pam 95-9 DLAI 3200.4 DCMA INST CSI (AV) Management of Aviation Critical Safety Items DFARS 209.270, 246.407, 246.504, 246.371 and 252.246-7003
Demilitarization and Disposal	4.3.18.7.		DoDI 4160.28 DoDI 5000.02, Enclosure 2, paragraph 8.c.(2) DoD 4140.1-R DoD 4160.21-M MIL-STD-882E
Diminishing Manufacturing Sources and Material Shortages (DMSMS)	4.3.18.8.		SD-22
Environment, Safety, and Occupational Health (ESOH)	4.3.18.9.	National Environmental Policy Act (NEPA) Section 4321-4347 of title 42, United States Code Executive Order 12114, Environmental Effects Abroad of Major Federal Actions	DoDI 4715.9 DoDI 5000.02, Enclosure 12 PDUSD(AT&L) memorandum, “Document Streamlining – Program Strategies and Systems Engineering Plan,” April 20, 2011 MIL-STD-882E DFARS 223.73 FAR 23.2, 23.4, 23.7 and 23.8
Human Systems Integration (HSI)	4.3.18.10.		DoDD 5000.01, Enclosure 1, paragraph E1.1.29 DoDI 5000.02, Enclosure 8
Insensitive Munitions	4.3.18.11.	Section 2389 of title 10, United States Code	DoDD 6055.9 Secretary of Defense Memorandum, “DoD Policy on Submunition Reliability,” January 10, 2001 USD(AT&L) Memorandum, “Joint Insensitive Munitions Test Standards and Compliance Assessment,” February 10, 2010 USD(AT&L) Memorandum, “Insensitive Munitions Strategic Plans,” July 21, 2004 DoD Acquisition Manager’s Handbook for Insensitive Munitions, Revision 02, November 2008
Intelligence (Life-cycle Mission Data Plan (LMDP))	3.3.18.12.		DoDD 5250.01
Interoperability and Dependency (I&D)	4.3.18.13.	Public Law 104-106 Section 3506 of title 44, United States Code	DoDD 4630.05 DoDD 5000.01 DoDI 2010.06 DoDI 4630.8 DoDI 5000.02 CJCSI 3170.01 CJCSI 6212.01 JCIDS Manual
Item Unique Identification (IUID)	4.3.18.14.		DoDD 8320.03 DoDI 4151.19 DoDI 4140.01 DoDI 5000.02, Enclosure 12, paragraph 10 DoDI 5000.64 DoDI 8320.04 PDUSD(AT&L) Memorandum, “Document Streamlining – Program Strategies and Systems Engineering Plan,” April 20, 2011 DoD Guide to Uniquely Identifying Items, Version 2.5, September 15, 2012 DoD Guidelines for Engineering, Manufacturing and Maintenance Documentation Requirements, April 20, 2007 DFARS 211.274-2, 252.211-7003, 252.211-7007
Open Systems Architecture (OSA)	4.3.18.15.	Section 2430 of title 10, United States Code	DoDI 5000.02, Enclosure 12, paragraph 8 DoD 5010.12-M USD(AT&L) Memorandum, “Better Buying Power 2.0: Continuing the Pursuit for Greater Efficiency and Productivity in Defense Spending,” November 13, 2012
Operational Energy	4.3.18.16.	Section 138c of title 10, United States Code	CJCSI 3170.01 JCIDS Manual
Packaging, Handling, Storage and Transportation (PHS&T)	4.3.18.17.	Title 49 of the Code of Federal Regulations (49 CFR)	DoDI 4540.07 DoD 4145.19-R DoD 4140.27-M DTR 4500.9-R
Producibility, Quality & Manufacturing (PQM)	4.3.18.18.	Section 812 of National Defense Authorization Act FY2011	DoDI 5000.02, Enclosure 2 DFARS 207.105, 215.304
Reliability & Maintainability (R&M) Engineering	4.3.18.19.	Public Law 111-23, Weapon System Acquisition Reform Act 2009	DoDI 5000.02, Enclosure 12 DTM 11-003 PDUSD(AT&L) memorandum, “Document Streamlining – Program Strategies and Systems Engineering Plan,” April 20, 2011 DoD Reliability, Availability, Maintainability, and Cost Rationale (RAM-C) Report Manual
Spectrum Management	4.3.18.20.	Sections 305 and 901 – 904 of title 47, United States Code Section 104 of Public Law 102-538	DoDD 3222.3 DoDI 4650.01 DoDI 5000.02, Enclosure 12, paragraph 11 AR 5-12 AFI 33-118 OPNAVINST 2400.1 and 2400.2 OPNAVINST 2400.20F
Standardization	4.3.18.21.	Sections 2451-2457 of title 10, United States Code Public Law 82-436	DoDI 4120.24 DoD 4120.24-M SD-19
Supportability	4.3.18.22.		DoDD 5000.01, Enclosure 1, paragraphs E1.1.17, E1.1.29 DoDI 4151.22 PDUSD(AT&L) Memorandum, “Document Streamlining – Life-Cycle Sustainment Plan (LCSP),” September 14, 2011 DoD 4140.1-R DoD 4151.22-M SD-19 MIL-HDBK-502
Survivability (including CBRN) & Susceptibility	4.3.18.23.		DoDI 3150.09 DoDI 5000.02, Enclosures 6 and 8
System Security Engineering (SSE)	4.3.18.24.	Section 2358 of title 10, United States Code	DoDI 5000.02, Enclosure 4 DoDI 5200.39 DoDI 5200.44 DODI 8500 Series PDUSD(AT&L) memorandum, “Document Streamlining - Program Protection Plan (PPP),” July 18, 2011 Program Protection Plan Outline and Guidance, Version 1.0, July 2011

4.3.18. Design Considerations

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DEFENSE ACQUISITION GUIDEBOOK
Chapter 4 -- Systems Engineering