North Dakota Administrative Code › Title 33.1 - Department of Environmental Quality › Article 33.1-10 - Radiological Health Rules › Chapter 33.1-10-06 - X-Rays in the Healing Arts › Appendix B - MINIMUM DESIGN REQUIREMENTS FOR AN X-RAY MACHINE OPERATOR'S BOOTH

Current through Supplement No. 393, July, 2024
1.
Space requirements.
a. The operator shall be allotted not less than seven and
				  five-tenths square feet [0.697 square meter] of unobstructed floor space in the
				  booth.
b. The operator's booth may be any geometric configuration
				  with no dimension of less than two feet [0.61 meters].
c. The space shall be allotted excluding any encumbrance by
				  the console, such as overhang, cables, or other similar encroachments.
d. The booth must be located or constructed such that
				  unattenuated direct scatter radiation originating on the examination table or
				  at the wall cassette not reach the operator's station in the booth.
2.
Structural requirements.
a. The booth walls shall be permanently fixed barriers of at
				  least seven feet [2.13 meters] high.
b. When a door or movable panel is used as an integral part
				  of the booth structure, it must have an interlock which will prevent an
				  exposure when the door or panel is not closed.
c. Shielding must be provided to meet the requirements of
				  chapter 33.1-10-04.2 of these rules.
3.
X-ray control placement.
The x-ray control
				  for the system shall be fixed within the booth and:
a. Shall be at least forty inches [1.02 meters] from any open
				  edge of the booth wall which is nearest to the examining table.
b. Shall allow the operator to use the majority of the
				  available viewing windows.
4.
Viewing system requirements.
a. Each booth shall have at least one viewing device which
				  will:
(1) Be so placed that the operator can view the patient
				  during any exposure; and
(2) The device shall be so placed that the operator can have
				  full view of any occupant of the room and should be so placed that the operator
				  can view any entry into the room. If any door, which allows access to the room,
				  cannot be seen from the booth, then that door must have an interlock
				  controlling the exposure which will prevent the exposure if the door is not
				  closed.
b. When the viewing system is a window, the following
				  requirements also apply:
(1) The viewing area must be at least one square foot [0.0929
				  square meter].
(2) The design of the booth must be such that the operator's
				  expected position when viewing the patient and operating the x-ray system is at
				  least eighteen inches [0.457 meter] from the edge of the booth.
(3) The material constituting the window must have the same
				  lead equivalence as that required in the booth's wall in which it is
				  mounted.
c. When the viewing system is by mirrors, the mirrors must be
				  so located as to accomplish the general requirements of subdivision a.
d. When the viewing system is by electronic means:
(1) The camera shall be so located as to accomplish the
				  general requirements in subdivision a; and
(2) There shall be an alternate viewing system as a backup
				  for the primary system.