Systems Safety Engineering (See 4.13)

Page Title: Systems Safety Engineering (See 4.13)
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MIL-S-55257C(CR)

3.21 Systems Safety Engineering (See 4.13)

3.21.1 Personnel Hazards. Personnel hazards shall be kept to a

minimum. the criteria of MIL-STD-454, Requirement 1, shall be appli-

cable for tasks and efforts such as the selection of parts, the complete

manufacturing and assembly process, and any product baseline configura-

tion changes that may be implemented during the course of the contract.

Verification that compliance with this requirement has been achieved

shall be through a visual inspection.

(See 4.13)

3.21.2 Edge Rounding Exposed. Exposed edges and corners shall be

rounded sufficiently to minimize laceration/puncture hazards, the design

goal being a minimum radius of 0.04 inch (1 mm) for edges and a minimum

of 0.5 inch (12.7 mm) for corners.

3.21.3 Radioactive Materials. Radioactive materials shall not be

used (e.g. luminous dials/markings, electron tubes, surge arrestor and

lenses).

3.21.4 Exposed Voltage. All contacts, terminals and like devices

having voltages between 70 and 500 volts rms or dc with respect to,

ground, shall be guarded from accidental contact by personnel if such

points are exposed to contact during direct support or operator mainte-

nance.

3.21.5 Continuity of Conductors. The continuity of a grounded con-

ductor shall not be dependent upon device connections, such as lamp-

holders, receptacles, etc., where the removal of such devices would in-

terrupt the continuity,

4.1.1 Government verification. All quality assurance operations

required of the contractor shall be subject to Government verification

at scheduled or unscheduled intervals. Verification will consist of the

following:

(a) Surveillance of the contractor operations to determine that

practices, methods, and procedures of the contractor's product assurance

system are being applied, and are in fact accomplishing the objectives

of total compliance of the product with the requirements of this specifi-

cation.

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