section_id,title_number,title_name,chapter,subchapter,part_number,part_name,subpart,subpart_name,section_number,section_heading,agency,authority,source_citation,amendment_citations,full_text 46:46:5.0.1.3.14.1.27.1,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.0 Availability of materials.,USCG,,,"[CGD 81-101, 52 FR 7777, Mar. 12, 1987, as amended by CGD 92-100, 59 FR 17028, Apr. 11, 1994]","(a) Various sections in this part refer to the following documents which are incorporated in Annex II of MARPOL 73/78. (1) IMO Standards for Procedures and Arrangements for the Discharge of Noxious Liquid Substances, Resolution MEPC 18(22), 1985 in effect on April 6, 1987. (2) IMO International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 19(22), 1985 in effect on April 6, 1987. (3) IMO Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 20(22), 1985 in effect on April 6, 1987. (b) The IMO documents listed in this section are available from the following: (1) IMO Secretariat, Publications section, 4 Albert Embankment, London SE1 7SR, United Kingdom, Telex 23588; (2) New York Nautical Instrument and Service Company, 140 West Broadway, New York, NY 10013; (3) Baker, Lyman & Company, 3220 South I-10 Service Road, Metairie, LA 70001. (4) UNZ & Company, 190 Baldwin Avenue, Jersey City, NJ 07306. (5) Southwest Instrument Company, 235 West 7th Street, San Pedro, CA 90731. (6) Marine Education Textbooks, 124 North Van Avenue, Houma, LA 70363-5895." 46:46:5.0.1.3.14.1.27.10,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.12 IMO Certificates for United States Ships.,USCG,,,"[CGD 81-101, 52 FR 7780, Mar. 12, 1987, as amended by CGD 95-010, 62 FR 67537, Dec. 24, 1997]","Either a classification society authorized under 46 CFR part 8, or the Officer in Charge, Marine Inspection, issues a United States ship an IMO Certificate endorsed to allow the carriage of a hazardous material or NLS cargo in table 1 of this part if the following requirements are met: (a) The ship's owner must make a request to the OCMI for the IMO Certificate. (b) The ship must meet this part. (c) Self-propelled ships contracted for after November 1, 1973 but built before December 28, 1977 must meet requirements in this part that apply to a self-propelled ship built on December 28, 1977. (d) Non-self-propelled ships contracted for after November 1, 1973 but built before July 1, 1983 must meet the requirements in this part applying to non-self-propelled ships built on July 1, 1983." 46:46:5.0.1.3.14.1.27.11,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.15 Conditions under which the Coast Guard issues a Certificate of Inspection or Certificate of Compliance.,USCG,,,"[CGD 81-101, 52 FR 7780, Mar. 12, 1987]","(a) The Coast Guard issues the endorsed Certificate of Inspection required under § 153.900 for a United States ship to carry a hazardous material or NLS listed in Table 1 if— (1) The person wishing the Certificate of Inspection applies following the procedures under § 153.8; and (2) The ship meets the design and equipment requirements of this part and— (i) Subchapter D of this chapter if the hazardous material or NLS is flammable or combustible; or (ii) Either Subchapter D or I of this chapter, at the option of the ship owner, if the hazardous material or NLS is non-flammable or non-combustible. (b) The Coast Guard issues the endorsed Certificate of Compliance required under § 153.900 for a foreign ship to carry a hazardous material or NLS listed in Table 1 if— (1) The person wishing the Certificate of Compliance follows the procedures under § 153.9; (2) The ship has an IMO Certificate issued by its Administration and endorsed with the name of the hazardous material or NLS if the ship's Administration is signatory to MARPOL 73/78; (3) The ship meets the requirements of this part applying to United States ships and § 30.01-5(e) of this chapter if the ship's Administration is not signatory to MARPOL 73/78; and (4) The ship meets any additional design and equipment requirements specified by the Commandant (CG-ENG)." 46:46:5.0.1.3.14.1.27.12,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.16 Requirements for foreign flag vessel permits.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4781, Feb. 3, 1983; CGD 81-052, 50 FR 8733, Mar. 5, 1985; CGD 81-101, 52 FR 7780, Mar. 12, 1987; CGD 95-027, 61 FR 26008, May 23, 1996]","To have its Certificate of Compliance endorsed to carry a cargo listed in Table 1, a foreign flag vessel must: (a) Have an IMO Certificate, if the flag administration issues IMO Certificates, endorsed with the name of the cargo and meet any specific requirements in this subpart that the Commandant (CG-ENG) may prescribe; or (b) Meet the requirements of this subpart and § 30.01-5(e) of this chapter." 46:46:5.0.1.3.14.1.27.13,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.30 Special area endorsement.,USCG,,,"[CGD 81-101, 52 FR 7780, Mar. 12, 1987]","The Coast Guard endorses the Certificate of Inspection of a United States ship allowing it to operate in special areas if the ship owner— (a) Requests the endorsement following the procedures in § 153.8; (b) Shows that the ship meets the design and equipment requirements applying to ships operating in special areas contained in Regulations 5, 5A, and 8 of Annex II and the Standards for Procedures and Arrangements." 46:46:5.0.1.3.14.1.27.14,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.40 Determination of materials that are hazardous.,USCG,,,"[CGD 81-101, 52 FR 7780, Mar. 12, 1987]","Under the authority delegated by the Secretary of Transportation in 49 CFR 1.46(t) to carry out the functions under 49 U.S.C. 1803, the Coast Guard has found the following materials to be hazardous when transported in bulk: (a) Materials listed in Table 30.25-1 of this chapter. (b) Materials listed in Table 151.05. (c) Materials listed in Table 1. 1 1 Those hazardous material cargoes designated Category A, B, C, or D in Table 1 are also Noxious Liquid Substances under Annex II and the Act to Prevent Pollution from Ships, 33 U.S.C. 1901 et seq. (d) Materials listed in Table 4 of Part 154. (e) Materials that are NLSs under MARPOL Annex II. (f) Liquids, liquefied gases, and compressed gases, that are— (1) Listed in 49 CFR 172.101; (2) Listed in 49 CFR 172.102; or (3) Listed or within any of the definitions in subparts C through O of 49 CFR part 173. (g) Those liquid, liquefied gas, and compressed gas materials designated as hazardous in the permissions granted under § 153.900(c). 2 2 The Coast Guard continues to propose in the Federal Register any addition of these designated hazardous materials to one of the tables referred to in paragraphs (a) through (d)." 46:46:5.0.1.3.14.1.27.2,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.1 Applicability.,USCG,,,"[CGD 81-101, 52 FR 7777, Mar. 12, 1987, as amended by CGD 84-025, 53 FR 15844, May 4, 1988; CGD 81-101, 53 FR 28974, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989; CGD 84-043, 55 FR 37413, Sept. 11, 19905; CGD 96-041, 61 FR 50732, Sept. 27, 1996]","This part applies to the following: (a) All United States self-propelled ships and those foreign self-propelled ships operating in United States waters that carry in bulk a cargo listed in Table 1 or allowed in a written permission under § 153.900(d), unless— (1) The ship is carrying the cargo under 33 CFR part 151; (2) The ship is carrying the cargo in a portable tank under subpart 98.30 or 98.33 of this chapter; or (3) The ship is an offshore supply vessel carrying the cargo under subpart 98.31 of the chapter; or (b) All United States oceangoing non-self-propelled ships and those foreign non-self-propelled ships operating in United States waters that carry in bulk a Category A, B, or C NLS cargo listed in Table 1 or allowed in a written permission under § 153.900(d), unless— (1) The ship is carrying the cargo under 33 CFR part 151; (2) The ship is carrying the cargo in a portable tank under subpart 98.30 or 98.33 of this chapter; (3) The ship is an offshore supply vessel carrying the cargo under subpart 98.31 of this chapter; or (4) The ship's Certificate of Inspection is endorsed for a limited short protected coastwise route and the ship is constructed and certificated primarily for service on an inland route. (c) All ships that carry a bulk liquid, liquefied gas, or compressed gas cargo that is not— (1) Listed in Table 1 of this part; (2) Listed in Table 2 of this part; (3) Carried under a written permission granted under § 153.900(d); (4) Carried under part 30 through 35, 98, 151, or 154 of this chapter; or (5) Carried as an NLS under 33 CFR part 151." 46:46:5.0.1.3.14.1.27.3,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.2 Definitions and acronyms.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977]","As used in this part: Accommodation spaces means halls, dining rooms, lounges, lavatories, cabins, staterooms, offices, hospitals, cinemas, game and hobby rooms, pantries containing no cooking appliances, and similar permanently enclosed spaces. Adequate reception facility means each facility certified as adequate under 33 CFR 158.160 and each facility provided by a Administration signatory to MARPOL 73/78 under Regulation 7 of Annex II. Annex II means Annex II to MARPOL 73/78 and is the Annex to MARPOL 73/78 regulating the discharge of noxious liquid substances to the sea. B means the breadth of the vessel and is defined in § 42.13-15(d) of this chapter. Built means that a ship's construction has reached any of the following stages: (1) The keel is laid. (2) The mass of the partially assembled ship is 50,000 kg. (3) The mass of the partially assembled ship is one percent of the estimated mass of the completed ship. Cargo area means that part of a vessel that includes the cargo tanks, spaces adjacent to the cargo tanks and the part of the deck over the cargo tanks and adjacent spaces. Cargo containment system means a cargo tank, its cargo piping system, its venting system, and its gauging system. Cargo handling space means an enclosed space that must be entered during a routine loading, carriage, or discharge of cargo and that contains an element of the cargo containment system having a seal or packing to prevent the escape of cargo, such as a valve, cargo pump, or cargo vapor compressor. Cargo piping system means a tankship's permanently installed piping arrangement, including any valves and pumps, that carries cargo to or from a cargo tank. Cargo tank means a tank that: (1) Is part of or permanently affixed to a tankship; and (2) Carries a cargo described in part 153, table 1—SUMMARY OF MINIMUM REQUIREMENTS in any quantity, including residual liquid or vapor. Certificate of Compliance means a certificate issued by the Coast Guard that a foreign flag vessel had been examined and found to comply with the regulations in this chapter. Closed gauging system means an arrangement for gauging the amount of cargo in a tank, such as a float and tape or a magnetically coupled float and indicator, that does not have any opening through which cargo vapor or liquid can escape. Combustible is defined in § 30.10-15 of this chapter. Commandant means Commandant (staff symbol), Attn: (Staff title), U.S. Coast Guard Stop (mailing code) 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-(mailing code). The term is often followed by a mailing code in parentheses. The mailing address should include any mailing code and should be written as follows: Commandant (mailing code), U.S. Coast Guard, 2100 2nd Street SW., Stop 7126, Washington, DC 20593-7126. Commandant (mailing code), U.S. Coast Guard, 2100 2nd Street SW., Stop 7126, Washington, DC 20593-7126. Control space is defined in § 30.10-19a of this chapter. Cycle, means that the tank washing machine progresses through complete rotations until it reaches an orientation identical to its starting orientation. For a typical one or two nozzle tank washing machine that rotates in both the horizontal and vertical planes though more slowly in one than the other, a cycle would be at least one rotation in each plane of rotation. Dedicated ballast tank means a tank that is used only for ballast. Emergency shutdown station means a part of the tankship where the required emergency shutdown controls are clustered. Flammable is defined in § 30.10-22 of this chapter. Forward perpendicular is defined in § 42.13-15(b) of this chapter. Hazardous material means a liquid material or substance that is— (1) Flammable or combustible; (2) Designated a hazardous substance under section 311(b) of the Federal Water Pollution Control Act (33 U.S.C. 1321); or (3) Designated a hazardous material under 49 U.S.C. 5103. The Environmental Protection Agency designates hazardous substances in 40 CFR Table 116.A. The Coast Guard designates hazardous materials that are transported as bulk liquids by water in § 153.40. High viscosity NLS includes high viscosity Category B NLS and high viscosity Category C NLS. High viscosity Category B NLS means any Category B NLS having a viscosity of at least 25 mPa.s at 20 °C and at least 25 mPa.s at the time it is unloaded. High viscosity Category C NLS means any Category C NLS having a viscosity of at least 60 mPa.s at 20 °C and at least 60 mPa.s at the time it is unloaded. IMO means the International Maritime Organization (IMO, formerly Inter-Governmental Maritime Consultative Organization or IMCO). IMO Bulk Chemical Code includes the IMO International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 19(22), 1985 and the IMO Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 20(22), 1985. IMO Certificate includes a Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk issued under the IMO Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 20(22), 1985 and an International Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk issued under the IMO International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk, Resolution MEPC 19(22), 1985. Independent, as applied to a cargo piping, venting, heating or cooling system means that the system is connected to no other system, and has no means available for connection to another system. Independent tank means a cargo tank that is permanently affixed to the vessel, that is self-supporting, that incorporates no part of the vessel's hull and that is not essential to the integrity of the hull. Intank cargo pump means a pump: (1) Located within the cargo tank it serves; and (2) Whose piping passes through only the top of the cargo tank. Integral tank means a cargo tank that also is part of or is formed in part by the vessel's hull structure so that the tank and the hull may be stressed by the same loads. IOPP Certificate means an International Oil Pollution Prevention Certificate required under 33 CFR 151.19. L means the length of the vessel and is defined in § 42.13-15(a) of this chapter. Liquid means each substance having a vapor pressure of 172 kPa or less at 37.8 °C. Marine Inspector is defined in § 30.10-43 of this chapter. MARPOL 73/78 means the International Convention for Prevention of Pollution from Ships, 1973 (done at London, November 2, 1973), modified by the Protocol of 1978 relating to the International Convention for Prevention of Pollution from Ships, 1973 (done at London, on February 17, 1978). Master means the person-in-charge of a self-propelled or non-self-propelled ship. Mixture means a mixture containing only the substances described in conjunction with the term. Nearest land has the same meaning as in 33 CFR 151.05(h). Noxious liquid substance (NLS) means— (1) Each substance listed in 33 CFR 151.47 or 33 CFR 151.49; (2) Each substance having an “A,” “B,” “C,” or “D” beside its name in the column headed “Pollution Category” in Table 1; and (3) Each substance that is identified as an NLS in a written permission issued under § 153.900(c). NLS Certificate means an International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk issued under Annex II of MARPOL 73/78. Oceangoing ship has the same meaning as in 33 CFR 151.05(j). Officer in Charge, Marine Inspection, is defined in § 1.05(b) of this chapter. Open gauging means an arrangement for gauging the amount of cargo in a tank through a large opening, such as a tank hatch or ullage opening. Open venting system means a venting system that always allows vapor to flow freely to and from the tank. Phosphoric acid means phosphoric acid, superphosphoric acid, and aqueous solutions of phosphoric acid. Pressure-vacuum (PV) valve means a valve that is normally closed and which opens under a preset positive pressure or a vacuum. Prewash means a tank washing operation that meets the procedure in § 153.1120. Pumproom means any enclosed space containing a pump that is part of a cargo containment system. Reception facility means anything capable of receiving NLS residues in a country whose Administration is not signatory to MARPOL 73/78 and each adequate reception facility. Refrigerated tank means a cargo tank that is equipped to carry a cargo that must be cooled in order to keep the cargo's vapor pressure from exceeding the tank's pressure-vacuum or safety relief valve setting under ambient conditions of 32 °C (approx. 90 °F) still water and 46 °C (approx. 115 °F) still air. Relief valve setting means the inlet line pressure at which a vent system's pressure-vacuum or safety relief valve fully opens. Residues and mixtures containing NLSs (NLS residue) means— (1) Any Category A, B, C, or D NLS cargo retained on the ship because it fails to meet consignee specifications; (2) Any part of a Category A, B, C, or D NLS cargo remaining on the ship after NLS is discharged to the consignee, including but not limited to puddles on the tank bottom and in sumps, clingage in the tanks, and substance remaining in the pipes; or (3) Any material contaminated with a Category A, B, C, or D NLS cargo, including but not limited to bilge slops, ballast, hose drip pan contents, and tank wash water. Restricted gauging system means a method of gauging the amount of cargo in a tank through an opening of limited size that restricts or prevents the release of cargo vapors from the tank vapor space. Safety relief (SR) valve means a normally closed valve that opens under a preset positive pressure. Separate and separated, as applied to a cargo piping, venting, heating or cooling system, means either an independent system or one that may be disconnected from all other systems by: (a) Removing spool pieces or valves and blanking the open pipe ends; or (b) Blocking each system interconnection with two blind flanges in series and providing a means of detecting leakage into the pipe section between the flanges. Service spaces means spaces outside the cargo area used for galleys, pantries containing cooking appliances, lockers, store rooms, workshops other than those forming part of machinery spaces, and trunks to such spaces. Ship means a vessel of any type whatsoever, including hydrofoils, air-cushion vehicles, submersibles, floating craft whether self-propelled or not, and fixed or floating platforms. Slop tanks include slop tanks and cargo tanks used as slop tanks. Solidifying NLS means a Category A, B, or C NLS that has a melting point— (1) Greater than 0 °C but less than 15 °C and a temperature, measured under the procedure in § 153.908(d), that is less than 5 °C above its melting point at the time it is unloaded; or (2) 15 °C or greater and has a temperature, measured under the procedure in § 153.908(d), that is less than 10 °C above its melting point at the time it is unloaded. Solution means a water solution. Special area means the Baltic Sea Area as defined in 33 CFR 151.13(a)(2) and the Black Sea Area as defined in 33 CFR 151.13(a)(3). SR venting system means a venting system in which an SR valve controls vapor flow from the cargo tank. Tankship has the same meaning as “ship”. Venting system means a permanent piping arrangement leading from a cargo tank and used to control the flow of vapor to and from the tank." 46:46:5.0.1.3.14.1.27.4,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.3 Right of appeal.,USCG,,,"[CGD 88-033, 54 FR 50381, Dec. 6, 1989]","Any person directly affected by a decision or action taken under this part, by or on behalf of the Coast Guard, may appeal therefrom in accordance with subpart 1.03 of this chapter." 46:46:5.0.1.3.14.1.27.5,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.4 Incorporation by reference.,USCG,,,"[CGD 88-032, 56 FR 35826, July 29, 1991, as amended by CGD 96-041, 61 FR 50732, Sept. 27, 1996; CGD 97-057, 62 FR 51048, Sept. 30, 1997; USCG-1999-5151, 64 FR 67183, Dec. 1, 1999; 69 FR 18803, Apr. 9, 2004; USCG-2012-0832, 77 FR 59784, Oct. 1, 2012; USCG-2012-0866, 78 FR 13251, Feb. 27, 2013; USCG-2013-0671, 78 FR 60155, Sept. 30, 2013]","(a) Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register in accordance with 5 U.S.C. 552(a). To enforce any edition other than that specified in paragraph (b) of this section, the Coast Guard must publish notice of change in the Federal Register and make the material available to the public. All approved material is on file at Coast Guard Headquarters. Contact Commandant (CG-ENG), Attn: Office of Design and Engineering Systems, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-7509; or contact the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. All material is available from the sources indicated in paragraph (b) of this section. (b) American National Standards Institute (ANSI), 25 West 43rd Street, 4th Floor, New York, NY 10036, http://www.ansi.org. (1) ANSI B16.5, Pipe Flanges and Flanged Fittings, 1988, incorporation by reference approved for § 153.940. (2) ANSI B16.24, Bronze Pipe Flanges and Flanged Fittings, 1979, incorporation by reference approved for § 153.940. (3) ANSI B16.31, Non-Ferrous Flanges, 1971, incorporation by reference approved for § 153.940. (c) American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, 877-909-2786, http://www.astm.org. (1) ASTM F 1122-87 (1992), Standard Specification for Quick Disconnect Couplings, incorporation by reference approved for § 153.940. (2) ASTM F1271-90 (Reapproved 2012), Standard Specification for Spill Valves for Use in Marine Tank Liquid Overpressure Protections Applications (approved May 1, 2012), incorporation by reference approved for § 153.365." 46:46:5.0.1.3.14.1.27.6,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,"§ 153.7 Ships built before December 27, 1977 and non-self-propelled ships built before July 1, 1983: Application.",USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21204, May 17, 1982; CGD 82-063b, 48 FR 4781, Feb. 3, 1983; CGD 79-023, 48 FR 51009, Nov. 4, 1983; CGD 81-052, 50 FR 8733, Mar. 5, 1985; CGD 81-101, 52 FR 7779, Mar. 12, 1987; CGD 81-101, 53 FR 28974, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989; CGD 95-072, 60 FR 54106, Oct. 19, 1995]","(a) Definitions. (1) Permit means a Certificate of Inspection, Letter of Compliance, or Certificate of Compliance. (2) Existing tankship means a tankship for which a contract was let on or before December 27, 1977. (3) Letter of Compliance in this section means a letter issued by the Coast Guard before 27 December 1977 which permitted a foreign flag tankship to carry a bulk cargo regulated under this part. (b) Endorsements for existing tankships. (1) The Coast Guard endorses the permit of an existing tankship to carry a cargo listed in Table 1 if: (i) The tankship held a permit on December 27, 1977, endorsed for the cargo in question; (ii) The tankship meets the construction standards under which the Coast Guard issued the permit; and (iii) The tankship meets the standards in paragraph (c) of this section. (2) The Coast Guard endorses the permit of an existing tankship to carry a cargo listed in Table 1 if: (i) The tankship held a permit on December 27, 1977; (ii) The Coast Guard did not require the permit to be endorsed with the name of the cargo at any time before December 27, 1977; (iii) The tankship meets the construction standards under which the Coast Guard issued the permit; (iv) The tankship carried the cargo in question; and (v) The tankship meets the standards in paragraph (c) of this section. (3) The Coast Guard endorses the permit of an existing tankship to carry a cargo listed in Table 1 if: (i) The tankship held a permit on December 27, 1977 endorsed to carry class B or C poisons under 46 CFR part 39; (ii) The cargo in question is a class B or C poison; (iii) The tankship meets the construction standards in 46 CFR part 39; and (iv) The tankship meets the standards in paragraph (c) of this section. (4) The Commandant (CG-ENG) considers on a case by case basis endorsing the permit of an existing tankship to carry a cargo listed in Table 1 if: (i) The tankship does not come within the categories described in paragraphs (b) (1) through (3) of this section; (ii) The tankship meets paragraph (c) of this section; and (iii) The tankship meets any additional requirements the Commandant (CG-ENG) may prescribe. (c) An existing tankship must meet all the requirements of this part except as provided in paragraphs (c) (3), (4), (5) and (6) of this section. (1)-(2) [Reserved] (3) The Commandant (CG-ENG) considers on a case by case basis endorsing as a type II containment system one that fails to meet §§ 153.231(b), 153.234, 172.130 and 172.133 of this chapter if the tankship and containment system meet the following minimum conditions: (i) The tankship has a loadline certificate. (ii) The cargo tank is not part of the tankship's shell plating. (iii) The distance between the bottom plating of the cargo tank and the bottom shell plating of the tankship is at least 76 cm measured parallel to the vertical axis of the tankship. (4) The Commandant (CG-ENG) considers on a case by case basis endorsing a containment system as a type II containment system if: (i) The containment system is modified to meet § 153.231(b) by adding double bottoms or wing tanks; and (ii) The tankship can survive the damage described in §§ 172.135 and 172.150 of this chapter to those parts of the tankship other than machinery spaces. (5) The Commandant (CG-ENG) considers on a case by case basis endorsing as a type III containment system one that does not meet §§ 153.234, 172.130 and 172.133 of this chapter if the tankship has a load line certificate. (6) The Commandant (CG-ENG) considers on a case by case basis endorsing the tankship to carry cargoes listed in Table 1 of this part if the tankship does not meet §§ 153.217, 153.219 and 153.254. (d) Except as required by this paragraph, subpart B of this part does not apply to a non-self-propelled ship that carries an NLS cargo under this part if— (1) The ship was built before July 1, 1983; (2) The ship carries no NLS cargo or NLS residue at any time it is in waters of another Administration signatory to MARPOL 73/78; (3) The NLS does not require a type I containment system; (4) The ship meets all requirements in parts 30 through 34 and part 151 of this chapter that apply to the cargo; (5) The ship meets the provisions in § 153.216 and §§ 153.470 through 153.491 applying to the NLS category of that cargo; (6) When the “Special Requirements” column of Table 1 contains an entry for § 153.408 or § 153.409 beside the cargo name, the ship meets the section, except the system prescribed by the section need be capable of operation only during loading; (7) [Reserved] (8) No part of the ship's hull plating is a component of a cargo tank if the cargo tank is endorsed to carry a cargo having a type II containment system in Table 1." 46:46:5.0.1.3.14.1.27.7,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.8 Procedures for requesting an endorsed Certificate of Inspection.,USCG,,,"[CGD 81-101, 52 FR 7779, Mar. 12, 1987]","(a) When applying for the endorsed Certificate of Inspection that § 153.900 requires for a ship to carry a cargo listed in Table 1, the applicant must proceed as follows: (1) Send a letter to one of the Coast Guard offices listed in § 91.55-15 of this chapter that includes— (i) A request for the endorsed Certificate of Inspection; (ii) The name of the ship; and (iii) A list of the cargoes from Table 1 the applicant wishes the endorsement to allow. (2) Supply to the Coast Guard when requested— (i) Hull type calculations; (ii) The plans and information listed in §§ 54.01-18, 56.01-10, 91.55-5 (a), (b), (d), (g), and (h), and 110.25-1 of this chapter; (iii) A copy of the Procedures and Arrangements Manual required by § 153.490; and (iv) Any other ship information, including plans, design calculations, test results, certificates, and manufacturer's data, that the Coast Guard needs to determine if the ship meets this part. (b) The Coast Guard notifies the applicant in writing— (1) Whether any further information is necessary to evaluate the request for the endorsed Certificate of Inspection; and (2) Of the outcome of the request for the endorsed Certificate of Inspection. (c) The Coast Guard returns the Procedures and Arrangements Manual stamped “Approved” or indicating what corrections are necessary. The procedures for requesting an IOPP Certificate are found in 33 CFR Part 151." 46:46:5.0.1.3.14.1.27.8,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.9 Foreign flag vessel endorsement application.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977]","(a) Application for a vessel whose flag administration is signatory to MARPOL 73/78 and issues IMO Certificates. A person who desires a Certificate of Compliance endorsed to carry a cargo in table 1 of this part, as described in § 153.900 of this part, must request the endorsement from the cognizant Officer in Charge, Marine Inspection and have aboard the vessel copies of IMO Certificates issued by the vessel's administration and— (1) An additional classification society statement that the vessel complies with § 153.530 (b), (d), and (p)(1) if a person desires a Certificate of Compliance endorsed with the name of an alkylene oxide; and (2) An additional classification society statement that the vessel complies with §§ 153.370, 153.371, and 153.438 if a person desires a Certificate of Compliance endorsed with the name of a cargo whose vapor pressure exceeds 100 kPa absolute at 37.8 °C (approximately 14.7 psia at 100 °F). (b) Application for a vessel whose flag administration does not issue IMO Certificates. A person who desires a Certificate of Compliance endorsed with the name of a cargo in Table 1 of this part, as described in § 153.900, must submit an application, in a written or electronic format, to Commanding Officer (MSC), Attn: Marine Safety Center, U.S. Coast Guard Stop 7430, 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-7430, that includes the following information: (1) A copy of the vessel's Cargo Ship Safety Construction Certificate and Cargo Ship Safety Equipment Certificate issued under the International Convention for Safety of Life at Sea, 1974. (2) A list of those cargoes for which the Letter of Compliance is to be endorsed. (3) The specific tanks that are to be endorsed for each cargo. (4) The names of the U.S. ports in which the person anticipates operating the vessel. (5) The name of the vessel's flag administration. (6) The name of the society that classes the vessel. (7) A brief description of the vessel's cargo containment systems. (8) Hull type calculations. (9) The plans and information listed in §§ 54.01-18, 56.01-10, 91.55-5 (a), (b), (d), (g), and (h), and 111.05-5(d) of this chapter. (c) Conditions applying to all Certificate of Compliance applications. (1) If requested by the Commanding Officer, U.S. Coast Guard Marine Safety Center, a person desiring a Certificate of Compliance for a vessel must furnish any other vessel information such as plans, design calculations, test results, certificates, and manufacturer's data, that the Coast Guard needs to determine that the vessel meets the standards of this part. (2) Correspondence with the Coast Guard and vessel information submitted under this part must be in English except IMO Certificates which may be in French." 46:46:5.0.1.3.14.1.27.9,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",A,Subpart A—General,,§ 153.10 Procedures for requesting alternatives and waivers; termination of waivers.,USCG,,,"[CGD 81-101, 52 FR 7780, Mar. 12, 1987]","(a) The Coast Guard considers allowing the use of an alternative in place of a requirement in this part if— (1) The person wishing to use the alternative sends a written application to the Commandant (CG-ENG) explaining— (i) The requirement in this part that would not be met and the reason why; (ii) The alternative the person proposes to be substituted; and (iii) How the alternative would ensure a level of safety and pollution protection at least equal to that of the requirement for which the alternative would substitute; (2) The alternative does not substitute an operational standard for a design or equipment standard; and (3) The Commandant (CG-ENG) determines that the alternative provides a level of protection for purposes of safety and pollution at least equal to the requirement in this part. (b) The Coast Guard considers granting a waiver of a requirement for which this part allows a waiver if the person wishing the waiver sends a written application to the Commandant (CG-ENG) that includes— (1) A citation of the regulation that allows the waiver; and (2) Any information and pledges that the regulation requires to be submitted with the application for the waiver. (c) The Commandant notifies the applicant in writing— (1) Whether any further information is necessary to evaluate the request for an alternative or waiver; and (2) Of the outcome of the request for an alternative or waiver. (d) A waiver issued under this part terminates if any— (1) Information required to be supplied with the application for the waiver changes; (2) Pledges required to be supplied with the application for the waiver are repudiated; (3) Restrictions or procedures applying to operations under the waiver are violated; or (4) Requirements in the section of this part authorizing the waiver are violated." 46:46:5.0.1.3.14.2.27.1,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.190 Stability requirements.,USCG,,,"[CGD 79-023, 48 FR 51009, Nov. 4, 1983. Redesignated by CGD 81-101, 52 FR 7780, Mar. 12, 1987]",Each vessel must meet the applicable requirements in Subchapter S of this chapter. 46:46:5.0.1.3.14.2.27.2,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.201 Openings to accommodation, service or control spaces.",USCG,,,"[CGD 81-078, 50 FR 21173, May 22, 1985]","(a) Except as allowed in paragraph (b) of this section, entrances, ventilation intakes and exhausts, and other openings to accommodation, service, or control spaces must be located aft of the house bulkhead facing the cargo area a distance at least equal to the following: (1) 3 m (approx. 10 ft) if the vessel length is less than 75 meters (approx. 246 ft). (2) L/25 if the vessel length is between 75 and 125 meters (approx. 246 ft and 410 ft). (3) 5 m (approx. 16.5 ft) if the vessel length is more than 125 meters (approx. 410 ft). (b) Fixed port lights, wheelhouse doors, and windows need not meet the location requirements specified in paragraph (a) of this section if they do not leak when tested with a fire hose at 207 kPa gauge (30 psig)." 46:46:5.0.1.3.14.2.27.3,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.208 Ballast equipment.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21207, May 17, 1982]","(a) Except for the arrangement described in paragraph (b) of this section no piping that serves a dedicated ballast tank that is adjacent to a cargo tank may enter an engine room or accommodation space. (b) Piping used only to fill a dedicated ballast tank adjacent to a cargo tank may enter an engine room or accommodation space if the piping has a valve or valving arrangement: (1) Within the part of the tankship where a containment system may be located under § 153.234; (2) That allows liquid to flow only towards that ballast tank (such as a check valve); and (3) That enables a person to shut off the fill line from the weatherdeck (such as a stop valve). (c) Except as prescribed in paragraph (d) of this section, pumps, piping, vent lines, overflow tubes and sounding tubes serving dedicated ballast tanks must not be located within a cargo containment system. (d) Each vent line, overflow tube and sounding tube that serves a dedicated ballast tank and that is located within a cargo containment system must meet § 32.60-10(e)(2) of this chapter." 46:46:5.0.1.3.14.2.27.4,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.209 Bilge pumping systems.,USCG,,,,"Bilge pumping systems for cargo pumprooms, slop tanks, and void spaces separated from cargo tanks by only a single bulkhead must be entirely within the locations allowed containment systems in § 153.234." 46:46:5.0.1.3.14.2.27.5,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.214 Personnel emergency and safety equipment.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 77-222, 43 FR 57256, Dec. 7, 1978; CGD 78-128, 47 FR 21207, May 17, 1982; CGD 81-052, 50 FR 8733, Mar. 5, 1985; CGD 81-101, 52 FR 7781, Mar. 12, 1987]","Each self-propelled ship must have the following: (a) Two stretchers or wire baskets complete with equipment for lifting an injured person from a pumproom or a cargo tank. (b) In addition to any similar equipment required by Subchapter D of this chapter, three each of the following: (1) A 30 minute self-contained breathing apparatus of the pressure demand type, approved by the Mining Safety and Health Administration (formerly the Mining Enforcement and Safety Administration) and the National Institute for Occupational Safety and Health, or the tankship's flag administration with five refill tanks or cartridges of 30 minutes capacity each. (2) A set of overalls or large apron, boots, long sleeved gloves, and goggles, each made of materials resistant to the cargoes in Table 1 that are endorsed on the Certificate of Inspection or Certificate of Compliance. (3) A steel-cored lifeline with harness. (4) An explosion-proof lamp. (c) First aid equipment." 46:46:5.0.1.3.14.2.27.6,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.215 Safety equipment lockers.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21207, May 17, 1982; CGD 81-101, 52 FR 7781, Mar. 12, 1987]","Each self-propelled ship must have the following: (a) Each tankship must have at least two safety equipment lockers. (b) One safety equipment locker must be adjacent to the emergency shutdown station required by § 153.296(b). This locker must contain one set of the equipment required by § 153.214(a) and two sets of that required by § 153.214(b). (c) The second safety equipment locker must be adjacent to the second emergency shutdown station required by § 153.296. This locker must contain the remaining equipment required by § 153.214 (a) and (b). (d) Each safety equipment locker must be marked as described in § 153.955 (c), (d), and (e) with the legend “SAFETY EQUIPMENT.”" 46:46:5.0.1.3.14.2.27.7,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.216 Shower and eyewash fountains.,USCG,,,"[CGD 81-101, 52 FR 7781, Mar. 12, 1987]","(a) Each non-self-propelled ship must have a fixed or portable shower and eyewash fountain that operates during cargo transfer and meets paragraph (c) of this section. (b) Each self-propelled ship must have a shower and eyewash fountain that operates at all times and meets paragraph (c) of this section. (c) The shower and eyewash fountains required by paragraphs (a) and (b) of this section must— (1) Operate in any ambient temperature; (2) Dispense water at a temperature between 0 °C and 40 °C (approx. 32 °F and 104 °F); (3) Be located on the weatherdeck; and (4) Be marked “EMERGENCY SHOWER” as described in § 153.955 (c), (d), and (e), so that the marking is visible from work areas in the part of the deck where the cargo containment systems are located." 46:46:5.0.1.3.14.2.27.8,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.217 Access to enclosed spaces and dedicated ballast tanks.,USCG,,,"[CGD 78-128, 47 FR 21207, May 17, 1982]","An access opening to an enclosed space or a dedicated ballast tank must meet the requirements for a cargo tank access in § 153.254 (b), (c), and (d) if: (a) The enclosed space or dedicated ballast tank is located within the cargo area of the vessel; or (b) A part of a cargo containment system lies within the enclosed space or dedicated ballast tank." 46:46:5.0.1.3.14.2.27.9,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.219 Access to double bottom tanks serving as dedicated ballast tanks.,USCG,,,"[CGD 78-128, 47 FR 21207, May 17, 1982, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]","(a) Except as prescribed in paragraph (b) of this section, access openings to double bottom tanks serving as dedicated ballast tanks must not be located within a cargo containment system. (b) Each access opening to a double bottom tank that is a dedicated ballast tank and that is located within a cargo containment system must be: (1) Enclosed in an access trunk extending to the weatherdeck; (2) Separated from the cargo containment system by two manhole coverings; or (3) Approved by the Commandant (CG-ENG)." 46:46:5.0.1.3.14.2.28.10,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.230 Type I system.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 79-023, 48 FR 51009, Nov. 4, 1983]","A type I containment system must meet the following requirements: (a) The vessel must meet the requirements in subpart F of part 172 of this chapter for a type I hull. (b) Except as described in § 153.235: (1) It may be no closer to the tankship's shell than 76 cm (approx. 29.9 in.); and (2) It may not be located in any part of the tankship subject to the damage described in Table 172.135 of this chapter for: (i) Collision Penetration, Transverse extent; and (ii) Grounding Penetration, Vertical extents from the baseline upward." 46:46:5.0.1.3.14.2.28.11,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.231 Type II system.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 79-023, 48 FR 51009, Nov. 4, 1983; CGD 81-101, 52 FR 7781, Mar. 12, 1987]","A type II containment system must meet the following requirements: (a) The vessel must meet the requirements in subpart F of part 172 of this chapter for a type I or II hull. (b) Except as allowed in §§ 153.7 and 153.235— (1) It may be no closer to the tankship's shell than 76 cm (approx. 29.9 in.); and (2) It may not be located in any part of the tankship subject to the damage described in Table 172.135 of this chapter for Grounding Penetration, Vertical extent from the baseline upward." 46:46:5.0.1.3.14.2.28.12,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.232 Type III system.,USCG,,,"[CGD 79-023, 48 FR 51009, Nov. 4, 1983]","A type III containment system must be in either a type I, II, or III hull. The requirements for type I, II, and III hulls are in subpart F of part 172 of this chapter." 46:46:5.0.1.3.14.2.28.13,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.233 Separation of tanks from machinery, service and other spaces.",USCG,,,,"(a) To prevent leakage through a single weld failure, the following spaces must be separated from a cargo by two walls, two bulkheads, or a bulkhead and a deck not meeting in a cruciform joint: (1) Machinery spaces. (2) Service spaces. (3) Accommodation spaces. (4) Spaces for storing potable domestic, or feed water. (5) Spaces for storing edibles. (b) Some examples of arrangements that may separate cargo from the spaces listed in paragraph (a) of this section are the following: (1) Dedicated ballast tanks. (2) Cargo pumprooms. (3) Ballast pumprooms. (4) Tanks not carrying a cargo listed in this part. 3 3 See also §§ 32.56-5 and 32.60-10 of this chapter for limitations on the stowage of combustible liquids adjacent to ignition sources. (5) A cofferdam aft of the cargo containment systems and whose forward bulkhead is forward of any joint common to an accommodations space and the deck. (6) Double walled piping or a piping tunnel." 46:46:5.0.1.3.14.2.28.14,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.234 Fore and aft location.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 81-101, 52 FR 7781, Mar. 12, 1987]","Except as allowed in § 153.7, each ship must meet the following: (a) Each cargo containment system and any compartments within which a containment system is located must be forward of a tankship's accommodation spaces. (b) Except as described in § 153.235, each cargo containment system must be located at least 0.05L aft of the forward perpendicular, but in no case forward of a collision bulkhead." 46:46:5.0.1.3.14.2.28.15,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.235 Exceptions to cargo piping location restrictions.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 79-023, 48 FR 51009, Nov. 4, 1983]","Cargo piping must not be located in those areas from which a containment system is excluded by §§ 153.230(b), 153.231(b), and 153.234(b) unless the cargo piping: (a) Drains back to the cargo tank under any heel or trim resulting from the damage specified in § 172.135 of this chapter; and (b) Enters the cargo tank above the liquid level for a full tank in any condition of heel or trim resulting from the damage specified in § 172.135 of this chapter." 46:46:5.0.1.3.14.2.28.16,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.236 Prohibited materials.,USCG,,,,"When one of the following paragraphs of this section is referenced in Table 1, the materials listed in that paragraph may not be used in components that contact the cargo liquid or vapor: (a) Aluminum or aluminum alloys. (b) Copper or copper alloys. (c) Zinc, galvanized steel or alloys having more than 10 percent zinc by weight. (d) Magnesium. (e) Lead. (f) Silver or silver alloys. (g) Mercury." 46:46:5.0.1.3.14.2.28.17,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.238 Required materials.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 88-100, 54 FR 40041, Sept. 29, 1989]","When one of the following paragraphs of this section is referenced in Table 1, only those materials listed in that paragraph may be used in components that contact the cargo liquid or vapor: (a) Aluminum, stainless steel, or steel covered with a protective lining or coating. (b) With cargo concentrations of 98 percent or greater, aluminum or stainless steel. (c) With cargo concentrations of less than 98 percent, 304L or 316 stainless steel. (d) Solid austenitic stainless steel. (e) Stainless steel or steel covered with a suitable protective lining or coating. (See § 153.266.)" 46:46:5.0.1.3.14.2.28.18,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.239 Use of cast iron.,USCG,,,"[CGD 78-128, 47 FR 21207, May 17, 1982]","(a) Cast iron used in a cargo containment system must meet the requirements of § 56.60-10(b) of this chapter. (b) For purposes of this section, the term “lethal products” in § 56.60-10(b) means those cargoes that Table 1 references to § 153.525 or § 153.527." 46:46:5.0.1.3.14.2.28.19,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.240 Insulation.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by USCG-2014-0688, 79 FR 58284, Sept. 29, 2014]","Cargo containment system insulation made necessary by the requirements of this part must meet the requirements in § 38.05-20 of this chapter. However, the vapor barrier required by § 38.05-20(b) is unnecessary if the insulation is: (a) Protected from the weather, and attached to a containment system maintained at a temperature in excess of 46 °C (approx. 115 °F); or (b) In an atmosphere whose dew point is less than the temperature of any surface in contact with the insulation." 46:46:5.0.1.3.14.2.29.20,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.250 Double-bottom and deep tanks as cargo tanks.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4781, Feb. 3, 1983]","Except in those cases in which Commandant (CG-ENG) specifically approves another arrangement, such as a double-bottom or deep tank as a cargo tank, an integral cargo tank or the hold within which an independent cargo tank is located must extend to the weatherdeck." 46:46:5.0.1.3.14.2.29.21,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.251 Independent cargo tanks.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982]","All independent cargo tank must meet § 38.05-10 (a)(1), (b), (d), and (e)(1) of this chapter." 46:46:5.0.1.3.14.2.29.22,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.252 Special requirement for an independent cargo tank.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982]","When Table 1 refers to this section, the cargo tank must be an independent tank that meets §§ 38.05-2(d) and 38.05-4(g) of this chapter. (See also § 153.256(b))." 46:46:5.0.1.3.14.2.29.23,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.254 Cargo tank access.,USCG,,,,"(a) A cargo tank must have at least one covered manhole opening into the vapor space described in § 153.354. (b) An access through a vertical cargo tank surface must be at least 60 cm by 80 cm (approx. 23.6 × 31.5 in.) and no more than 60 cm above a foothold grating, or surface on both sides of the access way. (c) An access through a horizontal cargo tank surface must be at least 60 cm by 60 cm (approx. 23.6 × 23.6 in.). (d) An access trunk must be no less than 76 cm (approx. 29.9 in.) in diameter." 46:46:5.0.1.3.14.2.29.24,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.256 Trunks, domes, and openings of cargo tanks.",USCG,,,,"(a) The hatch of a cargo tank must: (1) Be at the highest point of the tank; and (2) Open on or above the weatherdeck. (b) To be endorsed to carry a cargo requiring an independent cargo tank, a tank must have: (1) A trunk or dome at the uppermost part of the tank, extending above the weatherdeck; (2) Its hatch at the top of the trunk or dome; and (3) No openings below the weatherdeck." 46:46:5.0.1.3.14.2.29.25,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.266 Tank linings.,USCG,,,,"A tank lining must be: (a) At least as elastic as the tank material; and (b) Applied or attached to the tank as recommended by the lining manufacturer." 46:46:5.0.1.3.14.2.30.26,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.280 Piping system design.,USCG,,,,"(a) Each cargo piping system must meet the standards of Part 56 and §§ 38.10-1(b), 38.10-1(e), and 38.10-10(a) of this chapter. (b) Piping carrying cargo or cargo residue may not enter any machinery space except a cargo pumproom." 46:46:5.0.1.3.14.2.30.27,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.281 Piping to independent tanks.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982]",Piping for an independent cargo tank must penetrate the tank only through that part of the tank or dome extending above the weatherdeck. 46:46:5.0.1.3.14.2.30.28,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.282 Cargo filling lines.,USCG,,,,"The discharge point of a cargo tank filling line must be no higher above the bottom of the cargo tank or sump than 10 cm (approx. 4 in.) or the radius of the filling line, whichever is greater." 46:46:5.0.1.3.14.2.30.29,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.283 Valving for cargo piping.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21208, May 17, 1982]","(a) Except as described in this section, a cargo line must have a deck operable, manual stop valve: (1) In each tank which the line serves; and (2) At each cargo hose connection point. (b) The valve required by paragraph (a)(1) of this section may be in a cargo pumproom at the pumproom bulkhead if the cargo tank the cargo line serves is adjacent to the pumproom. (c) The valve required by paragraph (a)(1) of this section may be on the weatherdeck if: (1) The weatherdeck is the top of the tank; (2) The line goes through the weatherdeck into the tank; and (3) The valve is at the point where the line penetrates the weatherdeck. (d) The valve required by paragraph (a)(1) of this section may be outside the tank if: (1) The tank is an independent tank; and (2) The valve is at the point where the line penetrates the tank. (e) The discharge line of an intank cargo pump need not have the valve required by paragraph (a)(1) of this section. (f) If the cargo exerts a gravity head pressure on a valve required by this section, the valve must be a positive shutoff valve that meets § 56.50-60(d) of this chapter." 46:46:5.0.1.3.14.2.30.30,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.284 Characteristics of required quick closing valves.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982; 47 FR 27293, June 24, 1982]","A remotely actuated quick closing shutoff valve required by § 153.530(n) must: (a) Be a positive shutoff valve; (b) Be of the fail-closed type that closes on loss of power; (c) Be capable of local manual closing; (d) Close from the time of actuation in 30 seconds or less; and (e) Be equipped with a fusible element that melts at less than 104 °C (approx. 220 °F) and closes the valve." 46:46:5.0.1.3.14.2.30.31,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.285 Valving for cargo pump manifolds.,USCG,,,,"(a) When cargo lines serving different tanks enter a pumproom and connect to the same pump: (1) Each cargo line must have a stop valve within the line; (2) The valve must be before the cargo line joins the other lines or pump; and (3) The valve must be within the pumproom. (b) The valve in paragraph (a) of this section is required in addition to any valve required under § 153.283(b)." 46:46:5.0.1.3.14.2.30.32,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.292 Separation of piping systems.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982]",Cargo piping systems must be arranged so that operations necessary to provide separate systems can be accomplished in a cargo handling space or on the weatherdeck. 46:46:5.0.1.3.14.2.30.33,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.294 Marking of piping systems.,USCG,,,,"(a) Each cargo piping system must be marked with the designation number of the cargo tank it serves at each hose connection, valve, and blind in the piping system. The markings must be in characters at least 5 cm (approx. 2 in.) high. (b) Every hose connection of a cargo piping system must be marked with the cargo piping system's working pressure required by § 38.10-10(a) of this chapter. 4 4 See § 153.280 of the part." 46:46:5.0.1.3.14.2.30.34,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.296 Emergency shutdown stations.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21208, May 17, 1982]","(a) Each tankship must have at least two emergency shutdown stations. (b) One emergency shutdown station must be located forward of the deckhouse, in the after part of the weatherdeck in which the cargo tanks are located. (c) A second emergency shutdown station must be located so that one of the two stations is accessible from any part of the weatherdeck if a break in a cargo piping system or hose causes spraying or leaking. (d) Each emergency shutdown station must contain a single remote actuator for all quick closing shutoff valves required by this part. (e) Each emergency shutdown station must have the controls necessary to stop all cargo pumps on the tankship. (f) Any remote emergency actuator, such as that for a quick closing shut-off valve, a cargo pump, or a water spray system, must be of a type that will not defeat the operation of other remote emergency actuators. The emergency action must occur whether one or several actuators are operated. (g) Each emergency shutdown station must be marked as described in § 153.955 (c), (d), and (e) with the legend “EMERGENCY SHUTDOWN STATION” so that the legend is visible from work areas in the part of the deck where the cargo containment systems are located." 46:46:5.0.1.3.14.2.30.35,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.297 Emergency actuators at the point of cargo control.,USCG,,,,"(a) The point from which cargo transfer is controlled must have the same actuators an emergency shutdown station must have under § 153.296 and an actuator for any deck water spray systems required by this part. (b) The point from which cargo transfer is controlled may be one of the emergency shutdown stations required under § 153.296 if it meets the requirements of that section." 46:46:5.0.1.3.14.2.31.36,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.310 Ventilation system type.,USCG,,,,A cargo handling space must have a permanent forced ventilation system of the exhaust type. 46:46:5.0.1.3.14.2.31.37,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.312 Ventilation system standards.,USCG,,,,"A cargo handling space ventilation system must meet the following: (a) A ventilation system exhaust duct must discharge no less than 10 m (approx. 32.8 ft) from openings into or ventilation intakes for, accommodation or service spaces. (b) A ventilation system must not recycle vapors from ventilation discharges. (c) Except for the space served by the ventilation duct, a ventilation duct must not pass through a machinery room, an accommodation space, or working spaces. (d) A ventilation system must be operable from outside the space it ventilates. (e) A ventilation system must be sized to change the air in the ventilated space at least 30 times per hour. (f) A ventilation system must not allow air to stagnate in any part of a ventilated space. (g) A ventilation system must be able to exhaust air from both above and below the deck plates of a ventilated space." 46:46:5.0.1.3.14.2.31.38,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.314 Ventilation of spaces not usually occupied.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21208, May 17, 1982]","(a) Each tankship must have portable ventilation equipment that fits the mount required in paragraph (b)(1) of this section. (b) Each enclosed space within the cargo area that does not have a permanent ventilation system meeting § 153.312 must have: (1) A mount for the portable mechanical ventilation equipment required by this section; and (2) Either permanent ventilation ductwork connected to the mount and arranged to supply air to the extremities of the space; or (3) An attachment for temporary ductwork at the mount with enough ductway in the ventilated space and temporary ductwork stowed aboard the vessel to supply air to the extremities of the space." 46:46:5.0.1.3.14.2.31.39,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.316 Special cargo pumproom ventilation rate.,USCG,,,,"When Table 1 refers to this section, the cargo pumproom ventilation system must change the air in the cargo pumproom 45 times per hour and discharge no less than 4 m (approx. 13.1 ft) above the deck." 46:46:5.0.1.3.14.2.32.40,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.330 Access.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by USCG-2014-0688, 79 FR 58284, Sept. 29, 2014]","(a) The access door to a cargo pump-room must open on the weatherdeck. (b) The access way to a cargo pump-room and its valving must allow passage of a man wearing the breathing apparatus required by § 153.214(b)(1). (c) Each ladderway in a cargo pump-room must be free from obstructions by piping, framework, or other equipment. (d) Cargo pumproom ladders and platforms must have guard railings. (e) Each ladder to a cargo pump-room must have an incline from the horizontal of less than 60°." 46:46:5.0.1.3.14.2.32.41,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.332 Hoisting arrangement.,USCG,,,,"(a) A cargo pumproom located below the weatherdeck must have a permanent hoisting arrangement with a lifting capacity of 2500 N (approx. 562 lbs), operable from the weatherdeck, for the removal of an unconscious person. (b) The cargo pumproom must have a 60 cm by 60 cm (approx. 2 ft by 2 ft) cross-sectional clearance through the hoistway." 46:46:5.0.1.3.14.2.32.42,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.333 Cargo pump discharge pressure gauge.,USCG,,,,Each cargo pump within a pump-room must have a discharge pressure gauge outside the pumproom. 46:46:5.0.1.3.14.2.32.43,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.334 Bilge pumping systems.,USCG,,,,"(a) A cargo pumproom must have a bilge pumping system. (b) The bilge pumping system must have: (1) Complete remote operating controls outside the cargo pumproom; and (2) An alarm that operates when the depth of liquid in the bilges exceeds 50 cm (approx. 19.7 in.)." 46:46:5.0.1.3.14.2.32.44,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.336 Special cargo pump or pumproom requirements.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982, as amended by CGD 82-063b, 48 FR 4781, Feb. 3, 1983]","(a) When Table 1 refers to this section: (1) The cargo pump must be an intank cargo pump; (2) The cargo pumproom must be on or above the weatherdeck; or (3) The cargo pumproom must have the specific approval of the Commandant (CG-ENG). (b) For a cargo pumproom described in paragraph (a)(2) or (a)(3) the tankship must: (1) Have a low pressure breathing quality air supply system for use with the breathing apparatus in the pumproom; or (2) Meet any requirements specified by the Commandant (CG-522). (c) A low pressure air supply system described in paragraph (b)(1) of this section must: (1) Run from fixed air bottles to the pumproom; (2) Have an air compressor to recharge the fixed air bottles; (3) have hose connections in the pumproom suitable for use with the breathing apparatus required in § 153.214(b)(1); and (4) have the air capacity to enable two men to work in the pumproom for at least one hour each without using the cartridges for the breathing apparatus required in § 153.214(b)(1)." 46:46:5.0.1.3.14.2.33.45,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.350 Location of B/3 vent discharges.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982; 47 FR 27293, June 24, 1982]","Except as prescribed in § 153.353, a B/3 venting system must discharge: (a) At the highest of the following points: (1) 6m (approx. 19.7 ft) above the weatherdeck. (2) B/3 above the weatherdeck. (3) 6m (approx. 19.7 ft) above a walkway, if the walkway is within a 6m (approx. 19.7 ft) horizontal radius from the vent discharge. (b) At least 15m (approx. 49.2 ft) from air intakes for, or openings into, accommodation and service spaces." 46:46:5.0.1.3.14.2.33.46,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.351 Location of 4m vent discharges.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982]","Except as prescribed in § 153.353, a 4m venting system must discharge: (a) At least 4m (approx. 13.1 ft) above the higher of: (1) the weatherdeck; or (2) any walkway that is within a 4m (approx. 13.1 ft) horizontal radius from the vent discharge. (b) At least 10m (approx. 32.8 ft) from air intakes for, or openings into, accommodation or service spaces." 46:46:5.0.1.3.14.2.33.47,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.352 B/3 and 4 m venting system outlets.,USCG,,,,"A B/3 or 4 m venting system outlet must: (a) Discharge vertically upwards; and (b) Prevent precipitation from entering the vent system." 46:46:5.0.1.3.14.2.33.48,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.353 High velocity vents.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]","The discharge point of a B/3 or 4m venting system must be located at least 3m (approx. 10 ft) above the weatherdeck or walkway if: (a) The discharge is a vertical, unimpeded jet; (b) The jet has a minimum exit velocity of 30 m/sec (approx. 98.4 ft/sec); and (c) The high velocity vent has been approved by Commandant (CG-ENG)." 46:46:5.0.1.3.14.2.33.49,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.354 Venting system inlet.,USCG,,,,A venting system must terminate in the vapor space above the cargo when the tank is filled to a 2 percent ullage and the tankship has no heel or trim. 46:46:5.0.1.3.14.2.33.50,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.355 PV venting systems.,USCG,,,,"When Table 1 requires a PV venting system, the cargo tank must have a PV valve in its vent line. The PV valve must be located between the tank and any connection to another tank's vent line (such as a vent riser common to two or more tanks)." 46:46:5.0.1.3.14.2.33.51,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.358 Venting system flow capacity.,USCG,,,,"(a) The cross-sectional flow area of any vent system segment, including any PV or SR valve, must at no point be less than that of a pipe whose inside diameter is 6.4 cm (approx. 2.5 in.). (b) When Table 1 requires a closed or restricted gauging system, calculations must show that, under conditions in which a saturated cargo vapor is discharged through the venting system at the maximum anticipated loading rate, the pressure differential between the cargo tank vapor space and the atmosphere does not exceed 28 kPa gauge (approx. 4 psig), or, for independent tanks, the maximum working pressure of the tank." 46:46:5.0.1.3.14.2.33.52,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.360 Venting system restriction.,USCG,,,,A venting system must have no assembly that could reduce its cross-sectional flow area or flow capacity to less than that required in § 153.358. 46:46:5.0.1.3.14.2.33.53,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.361 Arrangements for removal of valves from venting systems having multiple relief valves.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982; 47 FR 27293, June 24, 1982]","A venting system having multiple relief valves may be arranged to allow the removal of a valve (for repair, as an example) provided the venting system: (a) Has valves that are interlocked, so that the removal of a valve does not reduce the venting system relieving capacity below the minimum relieving capacity required by § 153.358; and (b) Is arranged so that cargo vapor will not escape through the opening left after a valve has been removed." 46:46:5.0.1.3.14.2.33.54,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.362 Venting system drain.,USCG,,,,"Unless a cargo vent system at every point is level or slopes back to the cargo tank under all conditions of heel and trim allowed under § 153.806, the cargo vent system must have a drain valve at each low point (trap) in the vent line." 46:46:5.0.1.3.14.2.33.55,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.364 Venting system supports.,USCG,,,,Supports for a vent system must meet § 38.10-10(c) of this chapter. 46:46:5.0.1.3.14.2.33.56,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.365 Liquid overpressurization protection.,USCG,,,"[CGD 78-128, 47 FR 21208, May 17, 1982, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983; CGD 88-032, 56 FR 35827, July 29, 1991; USCG-2000-7790, 65 FR 58463, Sept. 29, 2000]","(a) Except as noted in paragraph (b) of this section, a containment system requiring closed or restricted gauging must: (1) Be designed to withstand the maximum pressure that develops during an overfill of the densest cargo endorsed for the containment system; or (2) Have an overflow control system that meets § 153.408; or (3) Meet the requirements specified by the Commandant (CG-ENG). (b) A containment system requiring restricted gauging, except for those cargoes that reference §§ 153.525 or 153.527, may be equipped with a spill valve that: (1) Meets ASTM F 1271 (incorporated by reference, see § 153.4); and (2) Limits the maximum pressure during liquid overfill at a specified cargo loading rate to that which the containment system is able to withstand (see §§ 153.294(b) and 152.977(b))." 46:46:5.0.1.3.14.2.33.57,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.368 Pressure-vacuum valves.,USCG,,,,"(a) The pressure side of a required pressure-vacuum relief valve must begin to open only at a pressure exceeding 3.5 kPa gauge (approx. 0.5 psig). (b) A pressure-vacuum relief valve must meet the requirements of Subpart 162.017 of this chapter." 46:46:5.0.1.3.14.2.33.58,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.370 Minimum relief valve setting for ambient temperature cargo tanks.,USCG,,,"[CGD 81-078, 50 FR 21173, May 22, 1985]",The relief valve setting for a containment system that carries a cargo at ambient temperature must at least equal the cargo's vapor pressure at 46 °C (approx. 115 °F). 46:46:5.0.1.3.14.2.33.59,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.371 Minimum relief valve setting for refrigerated cargo tanks.,USCG,,,,"The relief valve setting for a containment system that carries a refrigerated cargo must at least equal the lesser of: (a) That in § 153.370; or (b) 110 percent of the cargo's vapor pressure at the steady state temperature obtained by a full tank of cargo with the refrigeration system operating under ambient conditions described within the definition of a refrigerated tank in § 153.2." 46:46:5.0.1.3.14.2.33.60,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.372 Gauges and vapor return for cargo vapor pressures exceeding 100 kPa (approx. 14.7 psia).,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977; 42 FR 57126, Nov. 1, 1977, as amended by CGD 81-078, 50 FR 21173, May 22, 1985]","When table 1 references this section, the containment system must have a: (a) Tank pressure gauge at the point where cargo flow is controlled during transfer; and (b) Vapor return connection." 46:46:5.0.1.3.14.2.34.61,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.400 General requirements for gauges.,USCG,,,,"(a) Columnar gauge glasses must not be installed on a cargo containment system. (b) Flat sight glasses must meet § 38.10-20(h) of this chapter." 46:46:5.0.1.3.14.2.34.62,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.404 Standards for containment systems having required closed gauges.,USCG,,,,"When Table 1 requires a cargo's containment system to have a closed gauge, the containment system must have the following: (a) A permanently installed closed gauging system. (b) A vapor return connection. (c) The high level alarm described in § 153.409. (d) Either a closed cargo sampling system or a cargo sampling arrangement allowing the retrieval of a sample through an orifice not exceeding: (1) 0.635 cm (approx. 0.25 in.) diameter when the cargo's vapor pressure is 28 kPa gauge (approx. 4 psig) or less; or (2) 0.140 cm (approx. 0.055 in.) diameter when the cargo's vapor pressure exceeds 28 kPa (approx. 4 psig)." 46:46:5.0.1.3.14.2.34.63,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.406 Standards for containment systems having required restricted gauges.,USCG,,,,"When Table 1 requires a cargo's containment system to have a restricted gauge, the containment system must have: (a) A closed gauging system; or (b) A system that has: (1) A restricted gauge (e.g., a sounding tube) with an orifice diameter not exceeding 20 cm (approx. 7.8 in.); (2) A permanently attached gauge cover that is vapor tight when in place; and (3) A venting system that has either: (i) Lock open PV valves; or (ii) Valved bypasses around the PV valves." 46:46:5.0.1.3.14.2.34.64,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.407 Special requirements for sounding tube gauges.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]","(a) A sounding tube installed as a restricted gauge must extend to within one meter (approx. 39.4 in.) of the bottom of the tank. (b) A sounding tube must not be installed on a tank whose relief valve setting exceeds 28 kPa (approx. 4 psig) unless it is specifically permitted by the Commandant (CG-ENG). (c) A sounding tube must have no perforations in the tube wall." 46:46:5.0.1.3.14.2.34.65,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.408 Tank overflow control.,USCG,,,"[CGD 81-078, 50 FR 21173, May 22, 1985]","(a) When table 1 references this section, a cargo containment system must have a cargo high level alarm meeting § 153.409 and one of the following additional systems: (1) A second high level (cargo overflow) alarm. (2) A system that automatically stops cargo flow to the tank (automatic shutdown system). (b) The high level alarm and the cargo overflow alarm or automatic shutdown system must: (1) Be independent of one-another; and (2) Operate on loss of power. (c) The cargo overflow alarm or the automatic shutdown system must operate early enough to: (1) Stop the loading operation before the cargo tank overflows; and (2) Avoid surge pressures that exceed the working pressure specified in § 153.294(b). (d) A tank overflow must be identified with the legend “TANK OVERFLOW ALARM” in lettering as specified for the warning sign in § 153.955. (e) A tank overflow alarm must be audible and visible in that part of the deck where the containment systems are located and at the point where cargo loading is controlled on the tankship. (f) The automatic shutdown system or tank overflow alarm must be able to be checked at the tank for proper operation (for example, by electrically simulating an overfill at the tank gauge connection). (g) In this section, “independent” as applied to two systems means that one system will operate with a failure of any part of the other system except high level power sources and electrical feeder panels. Conduit need not be independent; the control wiring for several independent systems may be carried in a single conduit." 46:46:5.0.1.3.14.2.34.66,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.409 High level alarms.,USCG,,,"[CGD 78-128, 47 FR 21209, May 17, 1982; 47 FR 27293, June 24, 1982]","When Table 1 refers to this section or requires a cargo to have a closed gauging system, the cargo's containment system must have a high level alarm: (a) That gives an audible and visual alarm before the tank fills to 97 percent of its capacity; (b) That can be seen and heard where cargo transfer is controlled and on the open deck; (c) Whose operation can be checked prior to each loading; and (d) That must be marked as described in § 153.408(c)(6) with the legend “HIGH LEVEL ALARM.”" 46:46:5.0.1.3.14.2.35.67,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.430 Heat transfer systems; general.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21209, May 17, 1982; CGD 81-078, 50 FR 21174, May 22, 1985]","Each cargo cooling system required by this part and each cargo heating system must: (a) Meet the standards of Subchapters F (Marine Engineering) and J (Electrical Engineering) of this chapter; (b) Have valving that enables the system to be separated from all other cooling and heating systems; and (c) Allow manual regulation of the system's heat transfer rate." 46:46:5.0.1.3.14.2.35.68,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.432 Cooling systems.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21209, May 17, 1982]","(a) Each cargo cooling system must have an equivalent standby unit that is installed and that can be placed in operation immediately after failure of the primary cooling system. (b) Each tankship that has a cargo tank with a required cooling system must have a manual that contains: (1) A piping diagram for the cooling system; and (2) Instructions for changing over to the standby system described in paragraph (a) of this section." 46:46:5.0.1.3.14.2.35.69,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.434 Heat transfer coils within a tank.,USCG,,,"[CGD 78-128, 47 FR 21209, May 17, 1982]","When a cargo tank contains any quantity of cargo, a cargo cooling or heating system having coils within the tank must keep the heat transfer fluid at a pressure greater than the pressure exerted on the heating or cooling system by the cargo." 46:46:5.0.1.3.14.2.35.70,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.436 Heat transfer fluids: compatibility with cargo.,USCG,,,"[CGD 81-078, 50 FR 21174, May 22, 1985]","A heat transfer fluid separated from the cargo by only one wall (for example, the heat transfer fluid in a coil within a tank) must be compatible with the cargo under the standards prescribed for compatibility between two cargoes in Part 150 of this chapter." 46:46:5.0.1.3.14.2.35.71,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.438 Cargo pressure or temperature alarms required.,USCG,,,,"(a) Each refrigerated tank must have: (1) An alarm that operates when the cargo's pressure exceeds the vapor pressure described in § 153.371(b); or (2) An alarm that operates when the cargo's temperature exceeds the steady state temperature described in § 153.371(b). (b) The alarm must give an audible and visual signal on the bridge and at the cargo control station. (c) The cargo pressure or temperature alarm must be independent of other cargo pressure or temperature sensing arrangements." 46:46:5.0.1.3.14.2.35.72,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.440 Cargo temperature sensors.,USCG,,,"[CGD 78-128, 47 FR 21209, May 17, 1982, as amended by CGD 81-101, 52 FR 7781, Mar. 12, 1987; CGD 81-101, 53 FR 28974, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989]","(a) Except as prescribed in paragraph (c) of this section, when Table 1 refers to this section, the containment system must meet the following requirements: (1) A heated or refrigerated cargo tank must have a remote reading thermometer sensing the temperature of the cargo at the bottom of the tank. (2) A refrigerated tank must have a remote reading second thermometer near the top of the tank and below the maximum liquid level allowed by § 153.981. (3) Unless waived under § 153.491(a), a cargo tank endorsed to carry a Category A, B, or C NLS cargo must have a thermometer whose temperature reading is no greater than the temperature of the cargo at a level above the tank bottom at least one-eighth but no more than one-half the height of the tank if the cargo is— (i) A Category A NLS or a Category B NLS having a viscosity of at least 25 mPa.s at 20 °C; (ii) A Category C NLS having a viscosity of at least 60 mPa.s at 20 °C; or (iii) A Category A, B, or C NLS that has a melting point greater than 0 °C. (b) A readout for each remote thermometer required by this section must be at the point where cargo transfer is controlled. (c) A portable thermometer may be substituted for the equipment required in paragraphs (a) and (b) of this section if— (1) Table 1 allows open gauging with the cargo; or (2) Table 1 allows restricted gauging with the cargo, and the portable thermometer is designed to be used through the containment system's restricted gauging system." 46:46:5.0.1.3.14.2.36.73,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.460 Fire protection systems.,USCG,,,"[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983; CGD 81-101, 52 FR 7781, Mar. 12, 1987]","Each self-propelled ship and each manned non-self-propelled ship must meet the following: (a) With the exception of the vent riser, each part of a cargo containment system exposed on the weatherdeck must be covered by the fire protection system listed beside the cargo in Table 1 and described in the footnotes to Table 1. (b) The Commandant (CG-ENG) approves the substitution of a dry chemical (D) type fire protection system for an A or B type on a case by case basis. (c) A fire protection system required by this part must meet part 34 of this chapter or be specifically approved by the Commandant (CG-ENG)." 46:46:5.0.1.3.14.2.36.74,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.461 Electrical bonding of independent tanks.,USCG,,,,An independent metallic cargo tank that carries a flammable or combustible cargo must be electrically bonded to the tankship's hull. 46:46:5.0.1.3.14.2.36.75,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.462 Static discharges from inert gas systems.,USCG,,,,An inert gas system on a tank that carries a flammable or combustible cargo must not create static arcing as the inert gas is injected into the tank. 46:46:5.0.1.3.14.2.36.76,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.463 Vent system discharges.,USCG,,,,"The discharge of a venting system must be at least 10 m (approx. 32.8 ft) from an ignition source if: (a) The cargo tank is endorsed to carry a flammable or combustible cargo; and (b) Table 1 requires the cargo to have a PV venting system." 46:46:5.0.1.3.14.2.36.77,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.465 Flammable vapor detector.,USCG,,,,"(a) A tankship that carries a flammable cargo must have two vapor detectors that meet § 35.30-15(b) of this chapter. (b) At least one of the vapor detectors in paragraph (a) of this section must be portable." 46:46:5.0.1.3.14.2.36.78,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.466 Electrical equipment.,USCG,,,,A tankship carrying a flammable or combustible cargo under this part must meet subchapter J of this chapter. 46:46:5.0.1.3.14.2.37.79,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.470 System for discharge of NLS residue to the sea: Categories A, B, C, and D.",USCG,,,"[CGD 81-101, 52 FR 7781, Mar. 12, 1987, as amended by CGD 81-101, 53 FR 28974, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989; CGD 95-028, 62 FR 51209, Sept. 30, 1997]","Unless waived under § 153.491, each ship that discharges Category A, B, or C NLS residue, or Category D NLS residue not diluted to 1/10 th of its original concentration, into the sea under §§ 153.1126 and 153.1128 must have an NLS residue discharge system meeting the following: (a) Minimum diameter of an NLS residue discharge outlet. The outlet of each NLS residue discharge system must have a diameter at least as great as that given by the following formula: where: D = Minimum diameter of the discharge outlet in meters. Q d = Maximum rate in cubic meters per hour at which the ship operator wishes to discharge slops (note: Q d affects the discharge rate allowed under § 153.1126(b)(2)). L = Distance from the forward perpendicular to the discharge outlet in meters. φ = The acute angle between a perpendicular to the shell plating at the discharge location and the direction of the average velocity of the discharged liquid. where: D = Minimum diameter of the discharge outlet in meters. Q d = Maximum rate in cubic meters per hour at which the ship operator wishes to discharge slops (note: Q d affects the discharge rate allowed under § 153.1126(b)(2)). L = Distance from the forward perpendicular to the discharge outlet in meters. φ = The acute angle between a perpendicular to the shell plating at the discharge location and the direction of the average velocity of the discharged liquid. (b) Location of an NLS residue discharge outlet. Each NLS residue discharge outlet must be located— (1) At the turn of the bilge beneath the cargo area; and (2) Where the discharge from the outlet is not drawn into the ship's seawater intakes. (c) Location of dual NLS residue discharge outlets. If the value of 6.45 for K is used in § 153.1126(b)(2), the NLS residue discharge system must have two outlets located on opposite sides of the ship." 46:46:5.0.1.3.14.2.37.80,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.480 Stripping quantity for Category B and C NLS tanks on ships built after June 30, 1986: Categories B and C.",USCG,,,,"Unless waived under § 153.491, Category B and C NLS cargo tanks on each ship built after June 30, 1986 must have stripping quantities determined under § 153.1604 that are less than— (a) 0.15 m 3 if Category B; and (b) 0.35 m 3 if Category C." 46:46:5.0.1.3.14.2.37.81,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.481 Stripping quantities and interim standards for Category B NLS tanks on ships built before July 1, 1986: Category B.",USCG,,,"[CGD 81-101, 52 FR 7781, Mar. 12, 1987, as amended by CGD 81-101, 53 FR 28974, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989]","Unless waived under § 153.483 or § 153.491, each Category B NLS cargo tank on ships built before July 1, 1986 must meet the following: (a) Unless the tank meets the interim standard provided by paragraph (b) of this section and is prewashed in accordance with § 153.1118, the tank must have a stripping quantity determined under § 153.1604 that is less than 0.35m 3 . (b) Before October 3, 1994, the tank may have a total NLS residue determined under § 153.1608 that is less than 1.0 m 3 or 1/3000 th of the tank's capacity and an NLS residue discharge system meeting the following: (1) The system must be capable of discharging at a rate equal to or less than Q in the following formula: Q = K U 1.4 L 1.6 × 10 −5 m 3 /hr where: K = 4.3, except K = 6.45 if the discharge is equally distributed between two NLS residue discharge outlets on opposite sides of the ship (see §§ 153.470(c) and 153.1126(b)). L = ship's length in meters. U = for a ship that is self-propelled, the minimum speed in knots specified in the approved Procedures and Arrangements Manual for discharging Category B NLS residue, but at least 7; U = for a ship that is not self-propelled, the minimum speed in knots specified in the approved Procedures and Arrangements Manual for discharging Category B NLS residue, but at least 4. where: K = 4.3, except K = 6.45 if the discharge is equally distributed between two NLS residue discharge outlets on opposite sides of the ship (see §§ 153.470(c) and 153.1126(b)). L = ship's length in meters. U = for a ship that is self-propelled, the minimum speed in knots specified in the approved Procedures and Arrangements Manual for discharging Category B NLS residue, but at least 7; U = for a ship that is not self-propelled, the minimum speed in knots specified in the approved Procedures and Arrangements Manual for discharging Category B NLS residue, but at least 4. (2) The system must have equipment capable of automatically recording— (i) The time of day that discharge of NLS residue through the residue discharge system starts and ends; and (ii) The dates on which discharge begins and ends unless the equipment allows a person to enter these dates on the record manually. (3) Each system that has the capacity to exceed Q calculated in paragraph (b)(1) of this section must have equipment that— (i) Records the NLS residue flow through the system; and (ii) Is sufficiently accurate that its recorded values averaged over any 30 second period differ no more than 15% from the actual flow averaged over the same 30 second period. (4) Each system that has the capacity to exceed Q calculated under paragraph (b)(1) of this section and does not automatically control the flow rate must have— (i) Manual controls that enable the flow to be adjusted to the value of Q calculated in paragraph (b)(1) of this section and that must be moved through at least 25% of their total range of movement for the discharge rate to change from 0.5Q to 1.5Q; and (ii) A flow rate meter located where the flow is manually controlled." 46:46:5.0.1.3.14.2.37.82,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.482 Stripping quantities and interim standards for Category C NLS tanks on ships built before July 1, 1986: Category C.",USCG,,,,"Unless waived under § 153.483 or § 153.491, each Category C NLS cargo tank on ships built before July 1, 1986 must meet the following: (a) Unless the tank meets the interim standard provided by paragraph (b) of this section, the tank must have a stripping quantity determined under 153.1604 that is less than 0.95 m 3 . (b) Before October 3, 1994, the tank may have a total NLS residue determined under § 153.1608 that is less than 3.0 m 3 or 1/1000th of the tank's capacity." 46:46:5.0.1.3.14.2.37.83,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.483 Restricted voyage waiver for Category B and C NLS tanks on ships built before July 1, 1986: Category B and C.",USCG,,,"[CGD 81-101, 52 FR 7781, Mar. 12, 1987, as amended by CGD 81-101, 53 FR 28975, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989]","At its discretion the Coast Guard waives §§ 153.481 and 153.482 under this section and allows a ship to carry Category B and C NLS cargoes between ports or terminals in one or more countries signatory to MARPOL 73/78 if the ship's owner requests a waiver following the procedures in § 153.10 and includes— (a) A written pledge to— (1) Limit the loading and discharge of Category B and C NLS cargoes in a foreign port to those ports and terminals in countries signatory to MARPOL 73/78 and listed in accordance with paragraph (b) of this section; and (2) Prewash the cargo tank as required under § 153.1118 after each Category B or C NLS is unloaded unless the prewash is allowed to be omitted under § 153.1114; (b) A list of— (1) All foreign ports or terminals at which the ship is expected to load or discharge Category B or C NLS cargo, and (2) All foreign ports or terminals at which the ship is expected to discharge Category B or C NLS residue from the tank; (c) An estimate of the quantity of NLS residue to be discharged to each foreign port or terminal listed under paragraph (b)(2) of this section; (d) Written statements from the owners of adequate reception facilities in the ports and terminals listed in accordance with paragraph (b)(2) of this section who have agreed to take NLS residue from the ship, showing the amount of NLS residue each agrees to take; and (e) A written attestation from the person in charge of each port or terminal listed in accordance with paragraph (b)(1) of this section that the administration has determined the port or terminal to have adequate reception facilities for the NLS residue. Certificates of Inspection and any IMO Certificates issued to ships on restricted voyage waivers indicate that while the ship carries an NLS cargo or NLS residue, it is limited to voyages between the ports or terminals listed on the certificate." 46:46:5.0.1.3.14.2.37.84,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.484 Prewash equipment.,USCG,,,,"Unless the ship operator shows that the prewash equipment specified in this section will be available at discharge or prewash facilities or the equipment is waived under § 153.491, to have its Certificate of Inspection or Certificate of Compliance endorsed to carry a Category A NLS or a Category B or C NLS requiring viscosity or melting point information under § 153.908 (a) and (b), a ship must have the following: (a) For the tanks that carry the NLS, a tank washing system capable of washing all interior tank surfaces except those shielded from the washing system spray by ship's structure, and consisting of a wash water supply system and— (1) A fixed tank washing machine in each tank; or (2) A portable tank washing machine and, if required by the Coast Guard, equipment to move it during washing and when storing. (b) Piping, valving, and crossovers needed to arrange the cargo piping so that the wash water passes through the cargo pump and cargo piping during tank washing or discharge of tank wash water. (c) If the approved Procedures and Arrangements Manual specifies the hot water prewash required under 153.1108, a means of supplying water to the tank washing machine under paragraph (a) of this section at— (1) A temperature of at least 60 °C (140 °F) when it leaves the washing machine; and (2) The flow rate needed for the washing machine jets to meet paragraph (a) of this section." 46:46:5.0.1.3.14.2.37.85,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,"§ 153.486 Design and equipment for removing NLS residue by ventilation: Categories A, B, C, and D.",USCG,,,,"(a) If NLS residue is to be removed from a cargo tank by ventilation, in addition to the equipment required under paragraph (b) of this section the ship must have— (1) Openings in the tank deck near the sump or suction point; (2) If the openings required by paragraph (a)(1) of this section are insufficient, an access opening for visually determining whether liquid remains in the sump area of the cargo tank after ventilation or some other means for making this determination; and (3) An approved Procedures and Arrangements Manual with instructions that meet § 153.490(b)(3). (b) Unless the ship operator shows that the ventilation equipment specified in this paragraph will be available from shore when needed, if NLS residue is to be removed from a cargo tank by ventilation, in addition to the equipment required under paragraph (a) of this section the ship must have— (1) Portable forced air ventilating equipment fitting the ventilation openings required in paragraph (a) of this section and able to ventilate the extremities of the tank to the extent prescribed in Appendix C of the IMO Standards for Procedures and Arrangements for the Discharge of Noxious Liquid Substances, Resolution MEPC 18(22), 1985; and (2) A connector that allows a fan or air supply to be connected to the hose connections for the tank at the manifold. The Clean Air Act (42 U.S.C. 7401 et seq. ) allows states to regulate emissions from tank ventilation. There may be other regulations, both local and Federal, that affect the use of tank ventilation for safety or environmental purposes." 46:46:5.0.1.3.14.2.37.86,46,Shipping,I,O,153,"PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS",B,Subpart B—Design and Equipment,,§ 153.488 Design and equipment for tanks carrying high melting point NLSs: Category B.,USCG,,,,"Unless waived under § 153.491, for a ship to have its Certificate of Inspection or Certificate of Compliance endorsed allowing a tank to carry a Category B NLS with a melting point of 15 °C or more, the cargo tank must have— (a) An arrangement enabling the cargo to be heated before cargo transfer, using heat supplied by the ship or by another source; and (b) Sides and bottom separate from the ship's side or bottom shell plating."