Document: 10 CFR Part 73
Document ID: 204733df-580e-4d3a-8c6c-ce7912360a31
Document Type: cfr
Title: Requirements for physical protection of licensed activities in nuclear power reactors against radiological sabotage.
Source: 10 CFR Part 73
Source URL: https://www.ecfr.gov/current/title-10/part-73/section-73.55
Revision Date: 
Chapter: 
Section ID: 73.55
CFR Part: 73
CFR Title: 10

Content:
n or to a receiving area where the excepted items are offloaded and verified. ( viii ) To the extent practicable, bulk materials excepted from search shall not be offloaded adjacent to a vital area. ( i ) Detection and assessment systems. ( 1 ) The licensee shall establish and maintain intrusion detection and assessment systems that satisfy the design requirements of § 73.55(b) and provide, at all times, the capability to detect and assess unauthorized persons and facilitate the effective implementation of the licensee's protective strategy. ( 2 ) Intrusion detection equipment must annunciate and video assessment equipment shall display concurrently, in at least two continuously staffed onsite alarm stations, at least one of which must be protected in accordance with the requirements of the central alarm station within this section. ( 3 ) The licensee's intrusion detection and assessment systems must be designed to: ( i ) Provide visual and audible annunciation of the alarm. ( ii ) Provide a visual display from which assessment of the detected activity can be made. ( iii ) Ensure that annunciation of an alarm indicates the type and location of the alarm. ( iv ) Ensure that alarm devices to include transmission lines to annunciators are tamper indicating and self-checking. ( v ) Provide an automatic indication when the alarm system or a component of the alarm system fails, or when the system is operating on the backup power supply. ( vi ) Support the initiation of a timely response in accordance with the security plans, licensee protective strategy, and associated implementing procedures. ( vii ) Ensure intrusion detection and assessment equipment at the protected area perimeter remains operable from an uninterruptible power supply in the event of the loss of normal power. ( 4 ) Alarm stations. ( i ) Both alarm stations required by paragraph (i)(2) of this section must be designed and equipped to ensure that a single act, in accordance with the design basis threat