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e-CFR Data is current as of September 30, 2008


Title 33: Navigation and Navigable Waters

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PART 147—SAFETY ZONES

Section Contents
§ 147.1   Purpose of safety zones.
§ 147.5   Delegation of authority.
§ 147.10   Establishment of safety zones.
§ 147.15   Extent of safety zones.
§ 147.20   Definitions.
§ 147.801   Boxer Platform safety zone.
§ 147.803   Bullwinkle Platform safety zone.
§ 147.805   Ursa Tension Leg Platform safety zone.
§ 147.807   West Delta 143 Platform safety zone.
§ 147.809   Mars Tension Leg Platform safety zone.
§ 147.811   Ram-Powell Tension Leg Platform safety zone.
§ 147.813   Auger Tension Leg Platform safety zone.
§ 147.815   ExxonMobil Hoover Floating OCS Facility safety zone.
§ 147.817   Sir Douglas Morpeth Tension Leg Platform safety zone.
§ 147.819   Allegheny Tension Leg Platform safety zone.
§ 147.821   Brutus Tension Leg Platform safety zone.
§ 147.823   Enchilada Platform safety zone
§ 147.825   Chevron Genesis Spar safety zone.
§ 147.827   Marlin Tension Leg Platform safety zone.
§ 147.829   Matterhorn Tension Leg Platform safety zone.
§ 147.831   Holstein Truss Spar safety zone.
§ 147.833   Na Kika FDS safety zone.
§ 147.835   Magnolia TLP safety zone.
§ 147.837   Marco Polo Tension Leg Platform safety zone.
§ 147.839   Mad Dog Truss Spar Platform safety zone.
§ 147.841   Atlantis Semi-Submersible safety zone.
§ 147.843   Thunder Horse Semi-Submersible safety zone.
§ 147.1102   Platform GRACE safety zone.
§ 147.1103   Platform GINA safety zone.
§ 147.1104   Platform ELLEN & ELLY safety zone.
§ 147.1105   Platform HONDO safety zone.
§ 147.1106   Exxon Santa Ynez offshore storage and treatment vessel mooring safety zone.
§ 147.1107   Platform GILDA safety zone.
§ 147.1108   Platform EDITH safety zone.
§ 147.1109   Platform HERMOSA safety zone.
§ 147.1110   Platform HARVEST safety zone.
§ 147.1111   Platform EUREKA safety zone.
§ 147.1112   Platform HIDALGO safety zone.
§ 147.1113   Platform GAIL safety zone.
§ 147.1114   Platform HARMONY safety zone.
§ 147.1115   Platform HERITAGE safety zone.
§ 147.1116   Platform IRENE safety zone.


Authority:   14 U.S.C. 85; 43 U.S.C. 1333; Department of Homeland Security Delegation No. 0170.1.

Source:   CGD 78–160, 47 FR 9386, Mar. 4, 1982, unless otherwise noted.

§ 147.1   Purpose of safety zones.
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Safety zones may be established around OCS facilities being constructed, maintained, or operated on the Outer Continental Shelf to promote the safety of life and property on the facilities, their appurtenances and attending vessels, and on the adjacent waters within the safety zones. Regulations adopted for safety zones may extend to the prevention or control of specific activities and access by vessels or persons, and include measures to protect the living resources of the sea from harmful agents. The regulations do not encompass the operating equipment or procedures used in the drilling for and production of oil, gas, or other minerals, or the transportation of oil, gas, or other minerals by pipeline except as they relate to the safety of life and property on OCS facilities and on the waters adjacent to OCS facilities or to the protection of the living resources of the sea within a safety zone from harmful agents.

§ 147.5   Delegation of authority.
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The authority to establish safety zones and to issue and enforce safety zone regulations in accordance with the provisions of this part is delegated to District Commanders.

§ 147.10   Establishment of safety zones.
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(a) Whenever it comes to the attention of the District Commander that a safety zone and regulations may be required concerning any OCS facility being constructed, maintained, or operated on the Outer Continental Shelf or its appurtenances and attending vessels, or the adjacent waters, the District Commander may initiate appropriate inquiry to determine whether a safety zone and regulations should be established. In making this determination, the District Commander considers all relevant safety factors, including existing or reasonably foreseeable congestion of vessels, the presence of unusually harmful or hazardous substances, and any obstructions within 500 meters of the OCS facility. If the District Commander determines that the circumstances warrant the establishment of a safety zone and regulations the District Commander takes action as necessary consistent with the provisions of this part.

(b) Except as provided in paragraph (c) of this section, a safety zone and necessary regulations may be established concerning any OCS facility being constructed, maintained or operated on the Outer Continental Shelf, following publication of a notice of proposed rule making in theFederal Registerand after interested parties have been given the opportunity to submit comments. A zone and necessary regulations may be in effect during any period when construction equipment and materials are within 500 meters of the construction site until the removal of all portions of the facility.

(c) A safety zone and necessary regulations may be established without public rule making procedures when the District Commander determined that imminent danger exists with respect to the safety of life and property on an OCS facility constructed, maintained, or operated on the Outer Continental Shelf, its appurtenances and attending vessels or adjacent waters. A safety zone and regulations may be made effective on the date the rule is published in theFederal Register.However, if circumstances require, they may be placed into effect immediately, followed promptly by publication in theFederal Register.The District Commander may utilize, in addition to broadcast Notices to Mariners, Local Notices to Mariners, and Notices to Mariners, newspapers, and broadcasting stations to disseminate information concerning a safety zone and regulations pertaining thereto. The public may comment concerning the establishment of a safety zone or regulations under this paragraph. A safety zone or regulations may be modified or withdrawn, as appropriate, based on the comments received.

(d) Geographic coordinates expressed in terms of latitude or longitude, or both, are not intended for plotting on maps or charts whose referenced horizontal datum is the North American Datum of 1983 (NAD 83), unless such geographic coordinates are expressly labeled NAD 83. Geographic coordinates without the NAD 83 reference may be plotted on maps or charts reference to NAD 83 only after application of the appropriate corrections that are published on the particular map or chart being used.

[CGD 78–160, 47 FR 9386, Mar. 4, 1982, as amended by CGD 86–082, 52 FR 33811, Sept. 8, 1987]

§ 147.15   Extent of safety zones.
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A safety zone establishment under this part may extend to a maximum distance of 500 meters around the OCS facility measured from each point on its outer edge or from its construction site, but may not interfere with the use of recognized sea lanes essential to navigation.

§ 147.20   Definitions.
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Unless otherwise stated, the term “attending vessel” refers to any vessel which is operated by the owner or operator of an OCS facility located in the safety zone, which is used for the purpose of carrying supplies, equipment or personnel to or from the facility, which is engaged in construction, maintenance, alteration, or repair of the facility, or which is used for further exploration, production, transfer or storage of natural resources from the seabed beneath the safety zone.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.801   Boxer Platform safety zone.
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(a) Description. The Boxer Platform is located at position 27°56'48" N, 90°59'48" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent East—West Gulf of Mexico Fairway is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.803   Bullwinkle Platform safety zone.
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(a) Description. The Bullwinkle Platform is located at position 27°53'01" N, 90°54'04" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.805   Ursa Tension Leg Platform safety zone.
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(a) Description. The Ursa Tension Leg Platform (Ursa TLP) is located at position 28°09'14.497" N, 89°06'12.790" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.807   West Delta 143 Platform safety zone.
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(a) Description. The West Delta 143 Platform is located at position 28°39'42" N, 89°33'05" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent Mississippi River Approach Fairway, is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except: (1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.809   Mars Tension Leg Platform safety zone.
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(a) Description. The Mars Tension Leg Platform (Mars TLP) is located at position 28°10'10.29" N, 89°13'22.35" W with two supply boat mooring buoys at positions 28°10'18.12" N, 89°12'52.08" W (Northeast) and 28°09'49.62" N, 89°12'57.48" W (Southeast). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and the area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.811   Ram-Powell Tension Leg Platform safety zone.
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(a) Description. The Ram-Powell Tension Leg Platform (Ram-Powell TLP) is located at position 29°03'52.2" N, 88°05'30" W with two supply boat mooring buoys at positions 29°03'52.2" N, 88°05'12.6" W (Northeast) and 29°03'28.2" N, 88°05'10.2" W (Southeast). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and the area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.813   Auger Tension Leg Platform safety zone.
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(a) Description. The Auger Tension Leg Platform (Auger TLP) is located at position 27°32'45.4" N, 92°26'35.09" W with two supply boat mooring buoys at positions 27°32'38.1" N, 92°26'04.8" W (East Buoy) and 27°32'58.14" N, 92°27'04.92" W (West Buoy). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and an area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) an attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing or fishing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.815   ExxonMobil Hoover Floating OCS Facility safety zone.
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(a) Description. The ExxonMobil Hoover Floating OCS Facility, Alaminos Canyon Block 25A (AC25A), is located at position 26°56'33" N, 94°41'19.55" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.817   Sir Douglas Morpeth Tension Leg Platform safety zone.
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(a) Description. The Sir Douglas Morpeth Tension Leg Platform (Morpeth TLP), Ewing Bank Block 921A (EW 921A), is located at position 28°02'05.28" N, 90°01'22.12" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.819   Allegheny Tension Leg Platform safety zone.
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(a) Description. The Allegheny Tension Leg Platform (Allegheny TLP), Green Canyon Block 254A (GC 254A), is located at position 27°41'29.65" N, 90°16'31.93" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.821   Brutus Tension Leg Platform safety zone.
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(a) Description. The Brutus Tension Leg Platform (Brutus TLP), Green Canyon Block 158 (GC 158), is located at position 27°47'42.86" N, 90°38'51.15" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.823   Enchilada Platform safety zone
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(a) Description. The Enchilada Platform, Garden Banks Block 128A (GB 128A), is located at position 27°52'31.31" N, 91°59'11.09" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent East-West Gulf of Mexico Fairway, is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.825   Chevron Genesis Spar safety zone.
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(a) Description. The Chevron Genesis Spar, Green Canyon 205A (GC205A), is located at position 27°46'46.365" N, 90°31'06.553" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–01–043, 68 FR 4100, Jan. 28, 2003]

§ 147.827   Marlin Tension Leg Platform safety zone.
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(a) Description. The Marlin Tension Leg Platform (Marlin TLP), Viasca Knoll, Block 915 (VK 915), is located at position 29°6'27.46" N, 87°56'37.14" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–02–045, 68 FR 55445, Sept. 26, 2003]

§ 147.829   Matterhorn Tension Leg Platform safety zone.
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(a) Description. The Matterhorn Tension Leg Platform A (Matterhorn TLP), Mississippi Canyon 243 (MC 243), located at position 28°44'32" N, 88°39'32" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–03–017, 68 FR 59118, Oct. 14, 2003]

§ 147.831   Holstein Truss Spar safety zone.
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(a) Description. Holstein, Green Canyon 645 (GC 645), located at position 27°19'17" N, 90°32'08" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon North American Datum 1983.

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–03–028, 69 FR 6147, Feb. 10, 2004]

§ 147.833   Na Kika FDS safety zone.
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(a) Description. Na Kika FDS, Mississippi Canyon 474 “A” (MC 474 “A”), located at position 28°31'14.86" N, 88°17'19.69" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following: (1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–03–039, 69 FR 21066, Apr. 20, 2004]

§ 147.835   Magnolia TLP safety zone.
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(a) Description. Magnolia TLP, Garden Banks 783 “A” (GB 783 “A”), located at position 27°12'13.86" N, 92°12'09.36" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–03–040, 69 FR 19934, Apr. 15, 2004]

§ 147.837   Marco Polo Tension Leg Platform safety zone.
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(a) Description. Marco Polo Tension Leg Platform, Green Canyon 608 (GC 608), located at position 27°21'43.32" N, 90°10'53.01" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–04–004, 69 FR 33858, June 17, 2004]

§ 147.839   Mad Dog Truss Spar Platform safety zone.
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(a) Description. Mad Dog Truss Spar Platform, Green Canyon 782 (GC 782), located at position 27°11'18" N, 91°05'12" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–05–012, 70 FR 43768, July 29, 2005]

§ 147.841   Atlantis Semi-Submersible safety zone.
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(a) Description. Atlantis Semi-Submersible, Green Canyon 787 (GC 787), located at position 27°11'44" N, 90°01'37" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–05–015, 70 FR 43772, July 29, 2005]

§ 147.843   Thunder Horse Semi-Submersible safety zone.
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(a) Description . Thunder Horse Semi-Submersible, Mississippi Canyon 778 (MC 778), located at position 28°11'26" N, 88°29'44" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(b) Regulation. No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD08–05–019, 70 FR 43770, July 29, 2005]

§ 147.1102   Platform GRACE safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–10'–47" N, 119°–28'–05" W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1103   Platform GINA safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–07'–02" N, 119°–16'–35" W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1104   Platform ELLEN & ELLY safety zone.
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(a) Description: The areas within a line 500 meters from each point on the outer edge of each structure. The structures are approximately 120 meters apart. The position of the center of each structure is: Platform Ellen, 33°–34'–57" N, 118°–07'–42" W; and Platform Elly, 33°–35'–00" N, 118°–07'–40" W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel serving either structure, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1105   Platform HONDO safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–23'–27" N, 120°–07'–14" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1106   Exxon Santa Ynez offshore storage and treatment vessel mooring safety zone.
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(a) Description: The area within a line 1108 meters for the center of the mooring. The position of the center of the mooring is 34°–24'–19" N 120°–06'00" W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1107   Platform GILDA safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–10'–56" N. 119°–25'–07" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1108   Platform EDITH safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 33°–35'–45" N. 118°–08'–27" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1109   Platform HERMOSA safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34–27–19 N, 120–38–47 W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33015, Aug. 20, 1984]

§ 147.1110   Platform HARVEST safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34–28–09.5 N, 120–40–46.1 W.

(b) Regulations: No vessel may enter or remain in this safety zone except for the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1111   Platform EUREKA safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 33–33–50 N, 118–07–00 W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1112   Platform HIDALGO safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34–29–42 N, 120–42–08 W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1113   Platform GAIL safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–07'–30" N, 119°–24'–01" W.

(b) Regulation: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD11–87–06, 52 FR 9657, Mar. 26, 1987]

§ 147.1114   Platform HARMONY safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–22'–36" N, 120°–10'–03" W.

(b) Regulation: No vessel may enter or remain in this safety zone except the following: (1) an attending vessel; (2) a vessel under 100 feet in length overall not engaged in towing; or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD11–92–01, 57 FR 9055, Mar. 16, 1992]

§ 147.1115   Platform HERITAGE safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–21'–01" N, 120°–16'–45" W.

(b) Regulation: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel; (2) a vessel under 100 feet in length overall not engaged in towing; or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD11–92–01, 57 FR 9055, Mar. 16, 1992]

§ 147.1116   Platform IRENE safety zone.
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(a) Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34°–36'–37.5" N, 120°–43'–46" W.

(b) Regulation: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel; (2) a vessel under 100 feet in length overall not engaged in towing; or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CGD11–92–02, 57 FR 9054, Mar. 16, 1992]

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