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Page Title: Table I. Steady-state noise limits [dB(A)] for personnel-occupied areas.
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Material deterioration prevention and control
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Pump Unit, Centrifugal, Diesel-Engine-Driven, 800 GPM at 1800 Feet Total Head
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Performance



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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.
6

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