MIL-P-53108(ME)
be directed so that they do not endanger personnel. Electrical equipment shall be effectively guarded and grounded to protect all persons and objects from electrical shock hazard. External surfaces shall be free of sharp edges and corners except where sharp edges and corners are necessary and are not detrimental to safety.
3.8 Human factors engineering. The pump unit shall conform to accepted human factors engineering design criteria as described in MIL-STD-1472. Special design emphasis shall be given to general requirements, control/display integration, visual displays, controls, labeling, anthropometry, design for maintainability, and hazards and safety as specified in MIL-STD-1472
4.1 thru 4.9, 5.1, 5.2, 5.4, 5.5, 5.6, 5.9, and 5.13.
3.9 Noise limits. Noise levels produced by the pump shall comply with the requirements of MIL-STD-1474, with the exception of MIL-STD-1474, 5.2, 5.3, and 5.4, and except as specified herein.
a. The noise level at the operator's position, defined to be 18 inches from the control panel, and other personnel occupied areas of the pump, defined to be 1 meter from any point on the perimeter of the pump at locations other than the operator's position, shall not exceed category D of table I [85 dB(A)]. Where the limit of category D can be documented as being clearly beyond the state-of-the-art (see 3.9.1.2), selection of another noise limit shall be made by the procuring activity and the above requirements shall again apply.
b. The following table shall be used in lieu of MIL-STD-1474, table II.
TABLE I. Steady-state noise limits [dB(A)] for personnel-occupied areas.
Limit Category
A |
B |
C |
D |
E |
F |
|
A-weighted Limit [dB(A)] |
107 |
100 |
90 |
85 |
75 |
65 |
3.9.1 Acceptance.
3.9.1.1 Compliance. Compliance with the required noise limits shall be documented based upon test requirements of 4.6.2.8 and the data recording requirements of MIL-STD-1474, 5.5.
3.9.1.2 Non-compliance. Non-compliance with the required noise limits shall be documented based upon test requirements of 4.6.2.8 and the data recording requirements of MIL-STD-1474, 5.5. Additionally, the following shall apply:
a. The required maximum noise limit(s) may be established to be technically infeasible based upon testing and analysis which clearly and convincingly proves that achievement of the required limit(s) is beyond the state-of-the-art for the item/system being procured. Such testing and the resultant analysis shall be conducted and reported by a professionally qualified acoustical consultant or acoustical laboratory. Documentation shall be furnished to the procuring activity for consideration of whether or not increase of the required limit(s) is justified.
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