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Page Title:
Access Controls for High and Very High Radiation Areas |
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|  DOE-HDBK-1130-98
3.
Minimum requirements for exiting HRAs
No controls shall be established in a Radiological Area that would prevent rapid evacuation of
personnel.
a.
Sign out on RWP, as applicable.
b.
(Insert facility-specific information.)
D. Access Controls for High and Very High Radiation Areas
There are different controls that are used to prevent the inadvertent entry or unauthorized access
into Radiological Areas. The following identifies administrative and physical controls that are
used for HRAs.
1.
Administrative controls
The following are administrative controls that may be used to control access to HRAs.
These are used in addition to physical controls.
a.
Formal radiological reviews.
b.
RWPs.
c.
Pre-job briefings.
d.
Procedures.
e.
f.
Administrative control levels (ACLs).
g.
(Insert facility-specific information.)
2.
Physical controls
One or more of the following features should be used for each entrance or access point to an
HRA and shall be used for HRAs >1 rem in any one hour.
It should be noted again that no controls shall be established in an HRA or VHRA that would
prevent rapid evacuation of personnel.
a.
A control device that prevents entry or upon entry causes the radiation level to be
reduced below that level defining an HRA.
b.
An automatic device that prevents use or operation of the radiation source.
c.
A control device that energizes a visible or audible alarm.
d.
Entryways that are locked. Maintain positive control over each entry.
e.
Continuous direct or electronic surveilla nce.
70
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