33 CFR §105.296

1. (a)At MARSEC Level 1, in addition to the requirements of this part, an owner or operator of a barge fleeting facility must ensure the implementation of the following security measures:
   1. (1)Designate one or more restricted areas within the barge fleeting facility to handle those barges carrying, in bulk, cargoes regulated by 46 CFR chapter I, subchapters D or O, or Certain Dangerous Cargoes;
   2. (2)Maintain a current list of vessels and cargoes in the designated restricted area; and
   3. (3)Ensure that at least one towing vessel is available to service the fleeting facility for every 100 barges within the facility.
   4. (4)Control access to the barges once tied to the fleeting area by implementing TWIC as described in subpart E of part 101 of this subchapter, as applicable, and in accordance with the facility's assigned Risk Group, as described in § 105.253.
2. (b)At MARSEC Level 2, in addition to the requirements of this part and MARSEC Level 1 requirements, an owner or operator of a barge fleeting facility must ensure security personnel are assigned to monitor or patrol the designated restricted area within the barge fleeting facility.
3. (c)At MARSEC Level 3, in addition to the requirements of this part and MARSEC Level 2 requirements, an owner or operator of a barge fleeting facility must ensure that both land and waterside perimeters of the designated restricted area within the barge fleeting facility are continuously monitored or patrolled.