Section 165.T08-0868 - [Effective until 11/30/2024] Security Zone; Monongahela River, Allegheny River, and Ohio River, Pittsburgh, PA(a)Location. The following areas are security zones: (1)Security Zone One will cover all navigable waters on the Monongahela River Mile Markers 0-43.5.(2)Security Zone Two will cover all navigable waters on the Allegheny River Mile Markers 0-14.5.(3)Security Zone Three will cover all navigable waters on the Ohio River Mile Markers 0-28.5.(4)Security Zone Four will cover all navigable waters on the Ohio River Mile Marker 89-93.(b)Definitions. As used in this section, designated representative means a Coast Guard commissioned, warrant, or petty officer who has been authorized by the COTP to enforce this security zone described in paragraph (a) of this section.(c)Regulations.(1) Under the general security zone regulations in subpart D of this part, you may not enter or remain in the security zones described in paragraph (a) of this section unless authorized by the COTP or the COTP's designated representative.(2) To seek permission to enter, contact the COTP or the COTP's representative on Channel 16. The COTP's representative may be contacted at 206-815-6624. Those in the security zone must comply with all lawful orders or directions given to them by the COTP or the COTP's designated representative.(3) The U.S. Coast Guard may secure the entirety of all or each security zones if deemed necessary to address security threats or concerns.(d)Enforcement period.(1) The Coast Guard activates the security zones when requested by the U.S. Secret Service for the protection of individuals who qualify for their protection. The COTP will provide the public with notice of enforcement of security zone by Broadcast Notice to Mariners (BNM). This section will be enforced in one (1) mile segments for up to six (6) hours in each instance of enforcement from September 23, 2024, through November 30, 2024. The Coast Guard will provide local notice of each instance of enforcement of the temporary security zone.(2) These security zones may be enforced individually or simultaneously.Doc. No. USCG-2024-0868, 89 FR 79144 , Sept. 27, 2024 Doc. No. USCG-2024-0868, 89 FR 79144 , 9/27/2024 through 11/30/2024