MIL-STD-46855A
engineering inputs, based on supporting data, to satisfy the functional and technical design requirements and to ensure that the equipment will meet the applicable criteria contained in MIL- STD-1472, as well as other human engineering criteria specified by the contract. The use of commercial-off-the-shelf, government-off-the-shelf, legacy, or reuse products shall meet the human engineering requirements herein.
5.2 Human engineering in design and development. During design and development, the human engineering inputs and results from human engineering analyses shall be converted into detail engineering design features. Design of the equipment shall satisfy human-system performance requirements and meet the applicable criteria of MIL-STD-1472 and other human engineering criteria specified by the contract. The design criteria in the ISO 9241-series and ANSI/HFES 100 should be used as applicable. Human engineering requirements for testing the system or equipment shall be considered during design, and shall include such factors as verifying proper operation, defining need for maintenance, and specifying facilities and test personnel, including test subjects. Human engineering provisions shall be evaluated for adequacy during design reviews. Human engineering practitioners assigned human engineering responsibilities by the contractor shall maintain currency with the design and participate in design reviews and engineering change proposal reviews of end items that involve the human-system interface.
5.2.1 Participate in preliminary system and subsystem design. Human engineering principles and criteria shall be applied to system and subsystem designs and shall be reflected in design criteria documents, specifications, functional flow diagrams, system and subsystem schematics and block diagrams, interface control drawings, overall layout drawings and related applicable
drawings provided in compliance with contract data requirements. Human engineering evaluations of preliminary designs shall include consideration of design solutions for human performance, manpower, and training issues from predecessor or comparison systems. The preliminary system and subsystem configuration and arrangements shall satisfy human-system performance requirements and comply with applicable criteria of MIL-STD-1472 as well as other human engineering criteria specified by the contract.
5.2.2 Conduct experiments, demonstrations, tests, and studies. The contractor shall conduct experiments, demonstrations, tests (including dynamic simulation and software and associated user interfaces prototyping), and studies to identify and resolve human engineering and life support problems specific to the system. Experiments, demonstrations, tests, and studies shall be performed with representative users in the actual (or realistically simulated) user environment to validate design goals as well as human and system performance. These experiments, demonstrations, tests, and studies shall be accomplished as early as possible and reiterated as the
design matures so that their results may be incorporated in the equipment design and, if necessary, used to revise initial function allocations. Any significant human engineering or life support problem, deemed resolvable only by major experiment, demonstration, test, or study effort, shall be brought to the attention of the procuring activity and shall include the estimated effect on system performance if the problem is not resolved. To avoid duplication of effort, the applicability and utility of existing human engineering and other relevant databases (e.g., general literature, research reports, studies) shall be determined before initiating major efforts.
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