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(continued)
(l) Cofferdams, cargo tanks, double bottom spaces, void spaces and other enclosed spaces adjacent to an integral cargo tank must have an inert gas system meeting the requirements that apply to the inert gas system of a containment system in §153.500.
(m) An intank pump or inert gas displacement must be used to discharge cargo.
(n) The cargo discharge piping system must have a remotely actuated quick closing shutoff valve that meets §153.284 at the cargo transfer hose connection.
(o) Cargo hose must:
(1) Have the specific approval of the Commandant (G-MSO) for use in alkylene oxide transfer; and
(2) Be marked “For Alkylene Oxide Transfer Only”.
(p) All exposed parts of the cargo containment system above or on the deck, such as tank domes, cargo piping, and loading manifolds, must be covered by a water spray system that:
(1) Operates automatically in a fire involving the cargo containment system;
(2) Has at least two remote manual actuators, one in each emergency shutdown station required by §153.296; and
(3) Covers the area of application with a uniform spray of
0.175 l/m 2 sec (0.0043 gal/ft 2 sec).
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21210, May 17, 1982; CGD 82–063b, 48 FR 4782, Feb. 3, 1983; CGD 82–063b, 48 FR 39629, Sept. 1, 1983; CGD 81–078, 50 FR 21174, May 22, 1985]
§ 153.545 Special requirements for liquid sulfur.
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(a) A containment system carrying liquid sulfur must have:
(1) A cargo tank ventilation system that:
(i) Maintains the H2S vapor concentration below 1.85 percent by volume; and
(ii) Prevents sulfur buildup within itself; and
(2) An alarm system designed to operate when the ventilation system blower fails.
(b) The void spaces around a cargo tank that carries liquid sulfur must be oil tight.
(c) A cargo tank that carries liquid sulfur and the void spaces surrounding the tank must have connections for sampling vapor.
§ 153.554 Special requirements for acids.
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When Table 1 refers to this section:
(a) Each containment system loading and discharge connection must have a spray shield;
(b) Each cargo containment system must be separated from bunkers by double walls, such as a cofferdam and piping tunnels; and
(c) Each vessel must have on board a means to determine whether cargo has leaked into the spaces adjacent to a cargo containment system.
§ 153.555 Special requirements for inorganic acids.
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When Table 1 refers to this section, a tankship's shell plating must not be a part of the cargo tank.
[CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.556 Special requirements for sulfuric acid and oleum.
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(a) Except as prescribed in paragraphs (b) and (c) of this section, containment systems carrying sulfuric acid, oleum, or contaminated sulfuric acid are approved by the Commandant (G-MSO) on a case by case basis.
(b) A containment system carrying sulfuric acid may be:
(1) Made of unlined steel if the cargo composition is between 70 and 80 or between 90 and 100 percent acid by weight;
(2) Lined with lead if the cargo composition does not exceed 96 percent acid by weight; or
(3) Lined with natural rubber or neoprene if the cargo composition does not exceed 51 percent acid by weight.
(c) A containment system for oleum may be of unlined steel if the concentration of free sulfur trioxide in the oleum exceeds 20 percent by weight.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983]
§ 153.557 Special requirements for hydrochloric acid.
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(a) A containment system that carries hydrochloric acid must be lined with:
(1) Natural rubber;
(2) Neoprene; or
(3) A material approved for hydrochloric acid tanks by the Commandant (G-MSO).
(b) Containment systems for contaminated hydrochloric acid are approved by the Commandant (G-MSO) on a case by case basis.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82–063b, 48 FR 4781, Feb. 3, 1983]
§ 153.558 Special requirements for phosphoric acid.
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A phosphoric acid containment system must be:
(a) Lined with natural rubber or neoprene;
(b) Lined with a material approved for phosphoric acid tanks by the Commandant (G-MSO); or
(c) Made of a stainless steel that resists corrosion by phosphoric acid.
Note: “Phosphoric acid”, as defined in §153.2, includes phosphoric acid, superphosphoric acid, and aqueous solutions of phosphoric acid.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983; CGD 88–100, 54 FR 40042, Sept. 29, 1989]
§ 153.559 Special requirements for nitric acid (less than 70 percent).
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A containment system that carries nitric acid (less than 70 percent) must be of stainless steel that resists corrosion by nitric acid.
§ 153.560 Special requirements for Alkyl (C7–C9) nitrates.
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(a) The carriage temperature of octyl nitrates must be maintained below 100 °C (212 °F) in order to prevent the occurrence of a self-sustaining exothermic decomposition reaction.
(b) Octyl nitrates may not be carried in a deck tank unless the tank has a combination of insulation and a water deluge system sufficient to maintain the tank's cargo temperature below 100 °C (212 °F) and the cargo temperature rise at below 1.5 °C(2.7 °F)/hour, for a fire of 650 °C (1200 °F).
[CGD 88–100, 54 FR 40042, Sept. 29, 1989, as amended by CGD 92–100, 59 FR 17028, Apr. 11, 1994; CGD 94–900, 59 FR 45139, Aug. 31, 1994]
§ 153.565 Special requirement for temperature sensors.
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If a cargo listed in table 1 of this part refers to this section, temperature sensors must be used to monitor the cargo pump temperature to detect overheating due to pump failures, when carrying that cargo.
[CGD 94–900, 59 FR 45139, Aug. 31, 1994]
§ 153.602 Special requirements for cargoes reactive with water.
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When Table 1 refers to this section, the air inlet to the pressure-vacuum valve for the cargo tank must be located at least 2m (approx. 6.6 ft) above the weatherdeck.
[CGD 78–128, 47 FR 21210, May 17, 1982]
Testing and Inspection
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§ 153.806 Loading information.
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Each tankship must have a manual containing information that enables the master to load and ballast the tankship while keeping structural stresses within design limits.
[CGD 79–023, 48 FR 51009, Nov. 4, 1983]
§ 153.808 Examination required for a Certificate of Compliance.
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Before a vessel receives either an initial or a reissued Certificate of Compliance endorsed to carry a cargo from Table 1 of this part, the vessel must call at a U.S. port for an examination during which the Officer in Charge, Marine Inspection, determines whether or not the vessel meets the requirements of this chapter.
[CGD 81–052, 50 FR 8733, Mar. 5, 1985, as amended by CGD 95–027, 61 FR 26009, May 23, 1996]
§ 153.809 Procedures for having the Coast Guard examine a vessel for a Certificate of Compliance.
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The owner of a foreign flag vessel wishing to have the Coast Guard conduct a Certificate of Compliance examination, as required by §153.808, must proceed as follows:
(a) Notify the Officer in Charge, Marine Inspection of the port where the vessel is to be inspected at least 7 days before the vessel arrives and arrange the exact time and other details of the examination. This notification is in addition to any other pre-arrival notice to the Coast Guard required by other regulations, but may be concurrent with the endorsement application in §153.9, and must include—
(1) The name of the vessel's first U.S. port of call;
(2) The date that the vessel is scheduled to arrive;
(3) The name and telephone number of the owner's local agent; and
(4) The names of all cargoes listed in table 1 of this part that are on board the vessel.
(b) Before the examination required by §153.808 is begun, make certain that the following plans are on board the vessel and available to the Marine Inspector. These plans include—
(1) A general arrangement (including the location of fire fighting, safety, and lifesaving gear);
(2) A capacity plan;
(3) A schematic diagram of cargo piping on deck and in tanks (including the location of all valves and pumps); and
(4) A schematic diagram of cargo tank vent piping (including the location of relief valves and flame screens).
[CGD 95–027, 61 FR 26009, May 23, 1996]
§ 153.812 Inspection for Certificate of Inspection.
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The rules governing the issuance of Certificates of Inspection are contained in part 31 of this chapter.
Subpart C—Operations
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Documents and Cargo Information
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§ 153.900 Certificates and authorization to carry a bulk liquid hazardous material.
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(a) Except as allowed in 33 CFR 151.33(a), no ship may carry a cargo of bulk liquid hazardous material or an NLS residue if the bulk liquid hazardous material or NLS is listed in Table 1 or carried under a written permission under paragraph (d) of this section unless the ship meets the following:
(1) The cargo must be carried in a cargo tank.
(2) If a United States ship, the ship must have a Subchapter D or I Certificate of Inspection that is endorsed to allow the cargo tank to carry the cargo.
(3) If a foreign ship, the ship must have a Certificate of Compliance that is endorsed to allow the cargo tank to carry the cargo.
(4) The ship must have an IMO Certificate of Fitness issued under §153.12 that is endorsed to allow the cargo tank to carry the cargo if it is—
(i) A United States self-propelled ship in foreign waters; or
(ii) A United States non-self-propelled ship in the waters of another Administration signatory to MARPOL 73/78 and the cargo is a Category A, B, or C NLS.
(b) [Reserved]
(c) No ship may carry any bulk liquid cargo not listed in §30.25–1 of this chapter, Table 151.05 of Part 151 of this chapter, Table 1 or Table 2 of this part, Table 4 of Part 154 of this chapter, 33 CFR 151.47, or 33 CFR 151.49 unless the cargo name is endorsed on the Certificate of Inspection or contained in a letter issued under paragraph (d) of this section.
(d) The Coast Guard at its discretion endorses the Certificate of Inspection with the name of or issues a letter allowing the carriage of an unlisted cargo described under paragraph (c) of this section if—
(1) The shipowner—
(i) Requests the Coast Guard to add the cargo; and
(ii) Supplies any information the Coast Guard needs to develop carriage requirements for the bulk liquid cargo; and
(2) The ship—
(i) Has a Certificate of Inspection, Certificate of Compliance, or IOPP Certificate as specified in this part;
(ii) Meets the design and equipment requirements of this part specified by the Coast Guard; and
(iii) Meets any additional requirements made by the Coast Guard.
[CGD 81–101, 52 FR 7783, Mar. 12, 1987, as amended by CGD 81–101, 53 FR 28975, Aug. 1, 1988 and 54 FR 12629, Mar. 28, 1989]
§ 153.901 Documents: Posting, availability, and alteration.
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(a) No person may operate a United States ship unless the endorsed Certificate of Inspection is readily available on the ship.
(b) No person may operate a foreign ship unless the endorsed Certificate of Compliance or Certificate of Inspection is readily available on the ship.
(c) No person may operate a ship under an alternative or waiver granted under this part unless the document granting the alternative or waiver is attached to the ship's Certificate of Inspection or Certificate of Compliance.
(d) Except as allowed in paragraph (e) of this section, the Coast Guard does not accept the following if altered:
(1) Certificates of Inspection.
(2) Certificates of Compliance.
(3) Certificates of Fitness, unless the alteration is by the issuing authority.
(4) Approved Procedures and Arrangements Manuals, unless the alteration is approved by the issuing authority.
(5) NLS Certificates.
(e) A person wishing to change a Procedures and Arrangements Manual approved by the Coast Guard must submit a copy to the Coast Guard following the procedures for requesting an endorsed Certificate of Inspection in §153.8.
[CGD 81–101, 52 FR 7783, Mar. 12, 1987]
§ 153.902 Expiration and invalidation of the Certificate of Compliance.
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(a) The Certificate of Compliance shows its expiration date.
(b) The endorsement of a Certificate of Compliance under this part is invalid if the vessel does not have a valid IMO Certificate of Fitness.
(c) The endorsement on a Certificate of Compliance invalidated under paragraph (b) of this section, becomes valid again once the ship has the IMO Certificate of Fitness revalidated or reissued.
Note: See §153.809 for procedures for having a Certificate of Compliance reissued.
[CGD 81–101, 52 FR 7784, Mar. 12, 1987; CGD 95–072, 60 FR 50465, Sept. 29, 1995; 60 FR 54106, Oct. 19, 1995; CGD 95–027, 61 FR 26009, May 23, 1996]
§ 153.903 Operating a United States ship in special areas: Categories A, B, and C.
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No person may operate a United States ship that carries an NLS or NLS residue in a special area unless—
(a) The ship's Certificate of Inspection is endorsed in accordance with §153.30; and
(b) The ship meets the operating requirements applying to special areas in Regulations 5, 5A, 8 and the Standards for Procedures and Arrangements of Annex II.
[CGD 81–101, 52 FR 7784, Mar. 12, 1987]
§ 153.904 Limitations in the endorsement.
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No person may operate a tankship unless that person complies with all limitations in the endorsement on the tankship's Certificate of Inspection or Certificate of Compliance.
[CGD 81–052, 50 FR 8734, Mar. 5, 1985]
§ 153.905 Regulations required to be on board.
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No person may operate a tankship unless the most recent editions of this part, and parts 35 and 150 of this chapter are on board.
[CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.907 Cargo information.
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(a) The master shall ensure that the following information for each cargo carried under this part is readily available to those on the tankship engaged in cargo operations:
(1) The name of the cargo as listed in table 1.
(2) A description of the cargo's appearance and color.
(3) Hazards in handling the cargo.
(4) Any special handling procedures for the cargo, such as inerting.
(5) Procedures to follow if the cargo spills or leaks.
(6) Procedures for treating a person exposed to the cargo.
(7) A list of fire fighting procedures and extinguishing agents effective with cargo fires.
(8) Shipper's name.
(9) Loading point.
(10) Approximate quantity of cargo.
(11) Tank in which the cargo is located.
(12) The name of an agent in the United States authorized to accept service of legal process for the vessel.
(b) The master shall make sure that the following information for cargoes other than those carried under this part is readily available on the tankship:
(1) The name of the cargo as listed in Table 4 of Part 154 of this chapter or §30.25–1 of this chapter if the cargo is listed in one of these two tables.
(2) The name of the cargo prescribed in the letter authorizing carriage of the cargo under §153.900(d) if the cargo is a hazardous or flammable cargo authorized for carriage under that section.
(3) The shipper's name for the cargo and the name of the shipper if the cargo is neither a hazardous nor flammable cargo.
[CGD 81–078, 50 FR 21174, May 22, 1985; as amended by CGD 88–100, 54 FR 40042, Sept. 29, 1989]
§ 153.908 Cargo viscosity and melting point information; measuring cargo temperature during discharge: Categories A, B, and C.
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(a) The person in charge of the ship may not accept a shipment of a Category A, B, or C NLS cargo having a reference to this paragraph in the “Special Requirements” column of Table 1 unless the person has, from the cargo's manufacturer or the person listed as the shipper on the bill of lading, a written statement of the following:
(1) For Category A or B NLS, the cargo's viscosity at 20 °C in mPa.s and, if the cargo's viscosity exceeds 25 mPa.s at 20 °C, the temperature at which the viscosity is 25 mPa.s.
(2) For Category C NLS, the cargo's viscosity at 20 °C in mPa.s and, if the cargo's viscosity exceeds 60 mPa.s at 20 °C, the temperature at which the viscosity is 60 mPa.s. If the cargo's viscosity varies from shipment to shipment, the maximum viscosity and maximum temperature values may be supplied.
(b) The person in charge of the ship may not accept a shipment of a Category A, B, or C cargo having a reference to this paragraph in the “Special Requirements” column of Table 1 unless the person has a written statement of the cargo's melting point in °C from the cargo's manufacturer or the person listed as the shipper on the bill of lading. If the cargo's melting point varies from shipment to shipment, the highest melting point may be supplied.
(c) The person in charge of the ship shall ensure that the cargo temperature is read and recorded in the Cargo Record Book following the procedures in paragraph (d) of this section when a cargo having a reference to paragraph (a) or (b) of this section in the “Special Requirements” column of Table 1 is unloaded.
(d) The cargo temperature measured in paragraph (c) of this section must be made using the following procedure:
(1) Each reading must be made with the sensor or thermometer required by §153.440(a)(3) or (c). If a portable thermometer is used, it must be located as prescribed for the temperature sensor in §153.440(a)(3).
(2) A total of 2 readings must be made, the first reading to be made no more than 30 minutes after cargo transfer begins and the second reading no more than 30 minutes before the main cargo pump is shut down.
(3) The cargo's temperature is the average of the 2 readings made under paragraph (d)(2) of this section.
[CGD 81–101, 52 FR 7784, Mar. 12, 1987]
§ 153.909 Completing the Cargo Record Book and record retention: Categories A, B, C, and D.
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(a) The person in charge of a ship shall ensure that the Cargo Record Book required under §153.490 is completed immediately after any of the following occurs:
(1) An NLS cargo is loaded.
(2) An NLS cargo is transferred between tanks on a ship.
(3) An NLS cargo is unloaded from a tank.
(4) A tank that last carried an NLS cargo is prewashed under this part.
(5) A tank that last carried an NLS cargo is washed, except as reported under paragraph (a)(4) of this section, cleaned, or ventilated.
(6) Washings from a tank that last carried an NLS cargo are discharged to the sea.
(7) Tanks that last carried an NLS cargo are ballasted.
(8) Ballast water is discharged to the sea from a cargo tank that last carried an NLS.
(9) An NLS cargo or NLS residue is discharged to the sea by accident or except as allowed by this part.
(10) A Surveyor is present during an operation that this part requires the presence of a Surveyor.
(11) NLS residue or NLS cargo is transferred from cargo pumproom bilges or transferred to an incinerator.
(12) A waiver is issued to the ship, ship owner, ship operator, or person in charge of the ship under this part.
(13) The concentration of a Category A NLS residue is measured under §153.1120(a).
(14) Any discharge recording equipment required by §153.481(b)(2) fails.
(b) The person in charge of the ship shall ensure that the Cargo Record Book is on board and readily available for inspection and copying by the Coast Guard and when the ship is a U.S. ship in the waters of a foreign country whose Administration is signatory to MARPOL 73/78, the authorities of that country.
(c) Each officer in charge of an operation listed under paragraph (a) of this section, and each Surveyor observing an operation that this part requires the presence of a Surveyor, shall attest to the accuracy and completeness of each Cargo Record Book entry concerning those operations by signing after each entry.
(d) After all the entries on a page of the Cargo Record Book are completed, and if the person in charge of the ship agrees with the entries, the person in charge of the ship shall sign the bottom of that page.
(e) The ship owner or operator shall ensure that—
(1) Each Cargo Record Book is retained on board the ship for at least 3 years after the last entry; and
(2) Each discharge recording required by §153.1126(b)(1) is retained on board the ship for at least three years.
[CGD 81–101, 52 FR 7784, Mar. 12, 1987]
§ 153.910 Cargo piping plan.
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No person may operate a tankship unless the tankship has a cargo piping plan that:
(a) Shows all cargo piping on the tankship;
(b) Shows all cargo valving, pumps, and other equipment that is used during cargo transfer;
(c) Shows the cargo tanks;
(d) Shows any modifications necessary to a containment system that is to be separated as prescribed under Part 150 of this subchapter, or §§153.525 and 153.1020;
(e) Emphasizes the piping and equipment described in paragraphs (a), (b) and (d) of this section by using contrasting colors, line widths, or similar methods; and
(f) Shows the cargo loading rates chosen under §153.365(b) for all applicable cargo lines.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.912 Certificate of inhibition or stabilization.
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(a) When a cargo in Table 1 is referred to this section, no person may operate a tankship carrying the cargo without a written certification, carried on the bridge of the tankship, from the shipper that the cargo is:
(1) Inhibited; or
(2) Stabilized.
(b) The certification required by this section must contain the following information:
(1) Whether the cargo is inhibited or stabilized.
(2) The name and concentration of the inhibitor or stabilizer.
(3) The date the inhibitor or stabilizer was added.
(4) The length of time the inhibitor or stabilizer is effective.
(5) Any temperature limitations qualifying the inhibitor's or stabilizer's effective lifetime.
(6) The action to be taken should the duration of the voyage exceed the inhibitor's or stabilizer's useful life.
General Cargo Operational Requirements
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§ 153.920 Cargo quantity limitations.
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(a) No person may load a cargo tank or operate a tankship that carries a cargo tank containing in excess of 1250 m 3 (approx. 44,138 ft 3 ) of cargo requiring a type I containment system.
(b) No person may load a cargo tank or operate a tankship that carries a cargo tank containing in excess of 3000 m 3 (approx. 105,932 ft 3 ) of a cargo requiring a type II containment system.
§ 153.921 Explosives.
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No person may load, off-load, or carry a cargo listed in this part on board a vessel that carries explosives unless he has the prior written permission of the Commandant (G-MSO).
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983]
§ 153.923 Inerting systems.
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The master shall ensure that the inert gas systems for any cargo that this part requires to be inerted are operating correctly.
General Vessel Safety
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§ 153.930 Cargo antidotes.
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No person may operate a tankship that carries a cargo listed in Table 1 unless the tankship has on board the antidotes described for the cargo in the Medical First Aid Guide for Use in Accidents Involving Dangerous Goods, published by IMO.
§ 153.931 Obstruction of pumproom ladderways.
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The master shall ensure that all cargo pumproom ladderways are unobstructed at all times.
§ 153.932 Goggles and protective clothing.
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(a) The master shall ensure that each person wear a face mask or tight-fitting goggles for eye protection against splashing or spraying liquids if that person is:
(1) Sampling cargo;
(2) Transferring cargo;
(3) Making or breaking a cargo hose connection;
(4) Gauging a cargo tank; or
(5) Opening a cargo tank by opening a Butterworth hatch, ullage hatch, cargo tank hatch, or similar opening.
(b) The master shall ensure that each person wear a face mask or tight-fitting goggles for eye protection against splashing or spraying liquids if the person is:
(1) In the area of the deck where the cargo tanks, cargo piping, and cargo pumprooms are located while a cargo transfer is taking place; or
(2) In a cargo pumproom, an enclosed space adjacent to a cargo tank, or a space containing part of a cargo containment system.
(c) The master shall ensure that each person in paragraphs (a) and (b) of this section wear any additional protective clothing the master believes necessary to protect the person from the cargo's hazards.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.933 Chemical protective clothing.
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When table 1 refers to this section, the following apply:
(a) The master shall ensure that the following chemical protective clothing constructed of materials resistant to permeation by the cargo being handled is worn by all personnel engaged in an operation listed in paragraph (b) of this section:
(1) Splash protective eyewear.
(2) Long-sleeved gloves.
(3) Boots or shoe covers.
(4) Coveralls or lab aprons.
Note: “Guidelines for the Selection of Chemical Protective Clothing”, Third Edition, 1987, available from the American Conference of Governmental Industrial Hygienists, 1330 Kemper Meadow Drive, Cincinnati, OH 45240–1634, provides information on the proper clothing for the cargo being handled.
(b) This section applies during the following operations:
(1) Sampling cargo.
(2) Transferring cargo.
(3) Making or breaking cargo hose connections.
(4) Gauging a cargo tank, unless gauging is by closed system.
(5) Opening cargo tanks.
(c) Coveralls or lab aprons may be replaced by splash suits or aprons constructed of light weight or disposable materials if, in the judgment of the master—
(1) Contact with the cargo being handled is likely to occur only infrequently and accidentally; and
(2) The splash suit or apron is disposed of immediately after contamination.
(d) Splash protective eyewear must be tight-fitting chemical-splash goggles, face shields, or similar items intended specifically for eye protection from chemical splashing or spraying.
(e) The master shall ensure that each person in the vicinity of an operation listed in paragraph (b) of this section or in the vicinity of tanks, piping, or pumps being used to transfer the cargo wears splash protective eyewear under paragraph (d) of this section.
[CGD 88–100, 54 FR 40042, Sept. 29, 1989; as amended by USCG–1999–6216, 64 FR 53227, Oct. 1, 1999]
§ 153.934 Entry into spaces containing cargo vapor.
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(a) No person may enter a cargo tank, cargo handling space, pumproom or enclosed space in the cargo area without the permission of the master.
(b) Before permitting anyone to enter a cargo tank, cargo handling space, pumproom or other enclosed space in the cargo area, the master shall make sure that:
(1) The space is free of toxic vapors and has sufficient oxygen to support life; or
(2) Those entering the space wear protective equipment with self-contained breathing apparatus as described in §153.214(b) and an officer closely supervises the entire operation.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.935 Opening of tanks and cargo sampling.
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(a) Except as provided in paragraph (b) of this section, the master shall ensure that all cargo tank hatches, ullage openings, and tank cleaning openings are tightly closed at all times.
(b) The master may not authorize the opening of a cargo tank, except:
(1) To clean a tank;
(2) To transfer a cargo that Table 1 allows in a containment system having an open gauging system;
(3) To sample a cargo that Table 1 allows in a containment system having an open gauging system; or
(4) To sample a cargo that Table 1 allows in a containment system having a restricted gauging system if:
(i) The tank is not being filled during sampling;
(ii) The vent system has relieved any pressure in the tank;
(iii) The person sampling the cargo wears the protective clothing required during cargo transfer; and
(iv) The tank is closed tightly following sampling.
(c) The master shall make sure that cargoes requiring closed gauging are sampled only through the controlled sampling arrangement required by §153.404(d).
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21210, May 17, 1982]
§ 153.935a Storage of cargo samples.
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(a) The master shall make sure that any cargo samples are stored in:
(1) A designated and ventilated space in the cargo area of the vessel; or
(2) An area approved by the Commandant (G-MSO) or the tankship's flag administration for the stowage of cargo samples.
(b) The master shall make sure that cargo sample bottles are stored:
(1) In a way that prevents shifting of the sample bottles when the vessel is at sea;
(2) In bins or containers constructed of materials that are resistant to the cargo samples; and
(3) Apart from other sample bottles containing incompatible liquids (See part 150, subpart A).
[CGD 78–128, 47 FR 21211, May 17, 1982, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983]
§ 153.936 Illness, alcohol, drugs.
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The master shall ensure that no person participates in cargo related operations who appears to be intoxicated by alcohol or drugs or to be so ill as to be unfit for the particular operation.
Marking of Cargo Transfer Hose
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§ 153.940 Standards for marking of cargo hose.
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No person may mark a hose assembly as meeting the standards of this section unless the hose assembly meets the following requirements:
(a) Each hose assembly must have:
(1) Fully threaded connections;
(2) Flanges that meet ANSI B16.5, B16.24, or B16.31; or
(3) Class 1 quick-disconnect couplings that comply with ASTM F 1122 (incorporated by reference, see §153.4), and are marked “C1–1.”
(b) Each hose assembly must be marked with the:
(1) Date of manufacture;
(2) Working pressure discribed in paragraph (d) of this section;
(3) Date of the last test made as prescribed in paragraph (e) of this section; and
(4) Manufacturer's recommended maximum and minimum temperatures.
(c) A cargo hose assembly must have a minimum bursting pressure as stated by the manufacturer of at least 5152 kPa gauge (approx. 750 psig).
(d) The working pressure marked on a hose must meet the following:
(1) Be at least 1030 kPa gauge (approx. 150 psig).
(2) Not exceeded 20 per cent (one-fifth) of the manufacturer's stated bursting pressure.
(3) Not exceed the manufacturer's recommended working pressure.
(4) Not exceed the test pressure used in the latest test under paragraph (e)(3) of this section.
(e) A cargo hose assembly must be inspected and tested by placing it in a straight, horizontal position so that its entire external surface is accessible. It must be ascertained that the hose assembly:
(1) Has no loose covers, kinks, bulges, soft spots, and no gouges, cuts, or slashes that penetrate any hose reinforcement;
(2) Has no external and, to the extent internal inspection is possible with both ends of the hose open, no internal deterioration; and
(3) Does not burst, bulge, leak, or abnormally distort under static liquid pressure at least as great as the recommended working pressure.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21211, May 17, 1982; CGD 88–032, 56 FR 35827, July 29, 1991; USCG–2000–7790, 65 FR 58463, Sept. 29, 2000]
Cargo Transfer Procedures
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§ 153.953 Signals during cargo transfer.
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The master shall ensure that:
(a) The tankship displays a red flag in the day and a red light at night when transferring cargo while fast to a dock;
(b) The tankship displays a red flag when transferring cargo while at anchor; and
(c) The red flag or the red light is visible from all sides of the tankship.
§ 153.955 Warning signs during cargo transfer.
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(a) When transferring cargo while fast to a dock or at anchor in port, the master shall ensure that the tankship displays a warning sign at the gangway facing the shore so that it may be seen from the shore and another warning sign facing outboard toward the water so that it may be seen from the water. (See figure 1).
(b) Except as provided in paragraph (f) of this section, each warning sign must have the following legends:
(1) Warning.
(2) Dangerous Cargo.
(3) No Visitors.
(4) No Smoking.
(5) No Open Lights.
(c) Each letter must be block style, black on a white background.
(d) Each letter must:
(1) Be 7.5 cm (approx. 3 in.) high;
(2) Be 5 cm (approx. 2 in.) wide except for “M” and “W” which must be 7.5 cm (approx. 3 in.) wide and the letter “I” which may be 1.3 cm (approx. 1/2 in.) wide; and
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(3) Have 1.3 cm (approx. 1/2 in.) stroke width.
(e) The spacing must be:
(1) 1.3 cm (approx. 1/2 in.) between letters of the same word;
(2) 5 cm (approx. 2 in.) between words;
(3) 5 cm (approx. 2 in.) between lines; and
(4) 5 cm (approx. 2 in.) at the borders of the sign.
(f) Except as described in §153.1045, the legends “No Smoking” and “No Open Lights” are not required when the cargoes on board the tankship are neither flammable nor combustible.
§ 153.957 Persons in charge of transferring liquid cargo in bulk or cleaning cargo tanks.
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(a) The owner and operator of the vessel, and his or her agent, and each of them, shall ensure that—
(1) Enough “Tankerman-PICs” or restricted “Tankerman-PICs”, and “Tankerman-Assistants”, authorized for the classification of cargo carried, are on duty to safely transfer liquid cargo in bulk or to safely clean cargo tanks;
(2) Each transfer of liquid cargo in bulk and each cleaning of a cargo tank is supervised by a qualified person designated as a person in charge of the transfer or the cleaning under Subpart C of 33 CFR part 155;
(3) When cargo regulated under this part is due for transfer, the person in charge of the transfer has received special training in the particular hazards associated with the cargo and in all special procedures for its handling; and
(4) On each foreign vessel, the person in charge understands his or her responsibilities as described in this subchapter.
(b) Upon request by the Officer in Charge, Marine Inspection, in whose zone the transfer will take place, the owner and operator of the vessel, and his or her agent, and each of them, shall provide documentary evidence that the person in charge has received the training specified by paragraph (a)(3) of this section and is capable of competently performing the procedures necessary for the cargo.
[CGD 79–116, 60 FR 17158, Apr. 4, 1995]
§ 153.959 Approval to begin transfer operations required.
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No person may make connections for cargo transfer or transfer cargo unless he has authorization from the person in charge of cargo transfer.
§ 153.964 Discharge by gas pressurization.
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The person in charge of cargo transfer may not authorize cargo discharge by gas pressurization unless:
(a) The tank to be offloaded has an SR or PV venting system;
(b) The pressurization medium is either the cargo vapor or a nonflammable, nontoxic gas inert to the cargo; and
(c) The pressurizing line has:
(1) A pressure reducing valve whose setting does not exceed 90% of the tank's relief valve setting and a manual control valve between the pressure reducing valve and the tank; or
(2) For an inert gas medium:
(i) A safety relief valve with a cross sectional flow area at least equal to that of the pressurizing line and whose relieving pressure does not exceed 90 percent of the tank's relief valve setting;
(ii) A manual control valve between the safety relief valve and the tank; and
(iii) A check valve between the manual control valve and the tank.
§ 153.966 Discharge by liquid displacement.
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The person in charge of cargo transfer may not authorize cargo discharge by liquid displacement unless the liquid supply line to the tank has:
(a) A safety relief or pressure reducing valve set to operate at no more than 80 percent of the tank's relief valve setting; and
(b) A manual control valve between the tank and the supply line's safety relief valve or pressure reducing valve.
§ 153.968 Cargo transfer conference.
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(a) Before he may begin making connections for cargo transfer, the person in charge of cargo transfer shall confer with the person supervising the cargo transfer at the facility.
(b) The person in charge of cargo transfer shall discuss the important aspects of the transfer operation, such as the following, with the supervisor at the facility:
(1) The products to be transferred.
(2) The cargo loading rates marked on the cargo piping plan or the maximum safe transfer rates.
(3) The critical or hazardous stages of the transfer operation.
(4) The emergency procedures in case of a spill.
(5) If the vessel is equipped with the tank overflow alarm prescribed in §153.408(c), a procedure for shutdown of shore pumps, shore valves, and ship's valves that prevents piping system pressures from exceeding those for which the piping system is designed.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21211, May 17, 1982; CGD 81–078, 50 FR 21174, May 22, 1985]
§ 153.970 Cargo transfer piping.
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The person in charge of cargo transfer shall ensure that:
(a) Cargo is transferred to or from a cargo tank only through the tankship's cargo piping system;
(b) Vapor not returned to shore through the tankship's vapor return system is discharged at the height required for the cargo's vent riser in Table 1, and
(c) All cargo vapor is returned to shore through the valved connection on the venting system if:
(1) The cargo requires closed gauging, is referenced to §153.372 or is referenced to §153.525;
(2) The transfer terminal has vapor return equipment; and
(3) In his estimation the vapor return equipment is adequate to handle the vapor expected from the tank.
§ 153.972 Connecting a cargo hose.
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The person in charge of cargo transfer may not authorize the connection of a hose to a cargo containment system unless:
(a) He has ensured himself that the cargo will not weaken or damage the hose;
(b) The hose is marked as meeting the standards of §153.940;
(c) The date of the hose's last pressure test is within one year of the date on which the hose is used to transfer cargo;
(d) The recommended working pressure marked on a hose used for discharge meets or exceeds the working pressure marked on the cargo piping at the hose connection; and
(e) The cargo's temperature is within the manufacturer's recommended maximum and minimum hose temperatures.
§ 153.975 Preparation for cargo transfer.
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The person in charge of cargo transfer may not approve or continue cargo transfer unless the following conditions are met:
(a) No fires or open flames are on deck or in compartments near the hose connections when Table 1 requires the cargo's containment system to have a fire protection system.
(b) Any electrical bonding of the tankship to the transfer facility is made before the cargo transfer piping is joined.
(c) Any supplemental inert gas supply necessary to maintain the 3.5 kPa gauge (approx. 0.5 psig) pressure in the tank during offloading (see §153.500) is connected to the inert gas pressure control system.
(d) The transfer connections have enough slack to allow for vessel movement.
(e) The transfer connections are supported by tackles.
(f) The cargo high level alarms, tank overflow alarms and overflow control systems are functioning correctly when the cargo is loaded.
(g) Joints and couplings are gasketed and mated tightly.
(h) Flanges are bolted tightly.
(i) No repair work is underway in areas where cargo or cargo vapors may collect.
(j) Cargo and sea valves are properly set, with those sea valves connected to cargo piping lashed or sealed shut.
(k) Venting system bypass valves are set for cargo transfer and are operating properly.
(l) All scuppers are plugged.
(m) Smoking is limited to safe places.
(n) Fire fighting and safety equipment is ready.
(o) He is in effective communication with the transfer terminal.
(p) The person in charge of the transfer terminal has acknowledged that he is ready to transfer.
(q) Pressures within the cargo transfer and containment systems do not exceed the pressure ranges for which the transfer hose and containment systems are designed.
(r) No vessels that would hazard cargo transfer are alongside the tankship.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21211, May 17, 1982]
§ 153.976 Transfer of packaged cargo or ship's stores.
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The person in charge of cargo transfer may neither begin nor continue the transfer of a flammable or combustible cargo while packaged cargo or ship's stores are transferred unless transfer of the packaged cargo or ship's stores does not hazard transfer of the flammable or combustible cargo.
§ 153.977 Supervision of cargo transfer.
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The person in charge of cargo transfer shall:
(a) Supervise the operation of cargo system valves;
(b) Monitor the cargo loading rate to ensure it does not exceed that stated on the cargo piping plan; and
(c) Monitor the cargo level in the tanks to make sure they do not overflow.
[CGD 78–128, 47 FR 21211, May 17, 1982]
§ 153.979 Gauging with a sounding tube.
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(a) No person may remove the cover of a sounding tube unless he has authorization from the person in charge of cargo transfer.
(b) The person in charge of cargo transfer may not authorize removal of the cover from a sounding tube gauge unless all tank pressure has been relieved through the tank's venting system.
§ 153.980 Isolation of automatic closing valves.
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The person in charge of cargo transfer may isolate automatic closing valves described in §153.408(b) from a cargo containment system if the following conditions are met:
(a) The containment system carries products to which §153.408 does not apply.
(b) The valves are isolated by:
(1) Removing the valves; or
(2) Installing removable pipes and blind flanges to by-pass the valves.
[CGD 78–128, 47 FR 21211, May 17, 1982]
§ 153.981 Leaving room in tank for cargo expansion.
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The person in charge of cargo transfer shall ensure that the amount of cargo in a tank does not exceed the tank's capacity at any ambient temperature between -18 °C (approx. 0 °F) and 46 °C (approx. 115 °F).
§ 153.983 Termination procedures.
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Upon completion of the transfer operation, the person in charge of cargo transfer shall ensure that:
(a) The cargo transfer connections are closed off;
(b) The transfer lines and hoses are drained of cargo, either into the tank or back to the transfer terminal;
(c) Any electrical bonding between the vessel and the shore facility is broken only after the cargo hose is disconnected and all spills removed; and
(d) Each vent system is returned to its nonloading configuration.
Special Cargo Procedures
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§ 153.1000 Special operating requirements for cargoes reactive with water.
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When Table 1 refers to this section, the master must ensure that the cargo:
(a) Is carried only in a containment system completely isolated from any systems containing water, such as slop tanks, ballast tanks, cargo tanks containing slops or ballast, their vent lines or piping; and
(b) Is separated by double walls, such as cofferdams and piping tunnels, from any system containing water, as for example those described in paragraph (a) of this section.
§ 153.1002 Special operating requirements for heat sensitive cargoes.
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When Table 1 refers to this section, the master shall make sure that:
(a) The cargo temperature is maintained below the temperature that would induce polymerization, decomposition, thermal instability, evolution of gas or reaction of the cargo;
(b) Any heating coils in the cargo tank are blanked off; and
(c) The cargo is not carried in uninsulated deck tanks.
[CGD 78–128, 47 FR 21211, May 17, 1982]
§ 153.1003 Prohibited carriage in deck tanks.
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When Table 1 refers to this section, cargoes may not be carried in deck tanks.
[CGD 95–900, 60 FR 34050, June 29, 1995]
§ 153.1004 Inhibited and stabilized cargoes.
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(a) Before loading a cargo containment system with a cargo referenced to this section in Table 1, the person in charge of cargo transfer shall make sure that the cargo containment system is free of contaminants that could:
(1) Catalyze the polymerization or decomposition of the cargo; or
(2) Degrade the effectiveness of the inhibitor or stabilizer.
(b) The master shall make sure that the cargo is maintained at a temperature which will prevent crystallization or solidification of the cargo.
[CGD 78–128, 47 FR 21211, May 17, 1982]
§ 153.1010 Alkylene oxides.
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(a) Before each loading of a cargo containment system with a cargo referenced to this section in Table 1, the person in charge of cargo transfer shall:
(1) Unless the tankship is equipped with independent cargo piping that meets paragraph (d) of this section:
(i) Obtain verification from a Coast Guard Marine Inspector or from a representative of the tankship's flag administration that separation of the alkylene oxide piping system complies with alkylene oxide handling plans approved by the Coast Guard or the tankship's flag administration; and
(ii) Make sure that each spectacle flange and blank flange connection that is required to separate alkylene oxide piping systems from other systems has a wire and seal attached by a Coast Guard Marine Inspector or a representative of the tankship's flag administration.
(2) Purge the containment system until the oxygen content of the cargo tank is less than 2% by volume.
(b) The person in charge of an alkylene oxide cargo transfer shall ensure that:
(1) No alkylene oxide vapor or liquid is released to the atmosphere during cargo transfer;
(2) No vapor return system connected to an alkylene oxide containment system is at the same time connected to another containment system;
(3) Alkylene oxide is discharged only by an intank cargo pump or inert gas displacement;
(4) Transfer hose is approved by the Commandant (G-MSO) under §153.530(o) for alkylene oxide transfer and is marked “For Alkylene Oxide Transfer Only”; and
(5) A water hose is laid out on deck with water pressure to the nozzle, and all alkylene oxide spillages are washed away immediately.
(c) While alkylene oxides are onboard the vessel, the master shall make sure that the oxygen content of the vapor space above the alkylene oxide and those spaces specified in §153.530 (k) and (l) is maintained below 2% by volume.
(d) Tankships with independent piping for alkylene oxides must have onboard:
(1) Alkylene oxide handling plans approved by the Coast Guard or the tankship's flag administration; and
(2) Certification from the Coast Guard or the tankship's flag administration that the cargo piping for alkylene oxides is independent.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21211, May 17, 1982; CGD 82–063b, 48 FR 4782, Feb. 3, 1983]
§ 153.1011 Changing containment systems and hoses to and from alkylene oxide service.
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(a) The person in charge of cargo transfer shall make sure that:
(1) No alkylene oxide is loaded into a containment system that last carried a cargo other than an alkylene oxide unless the containment system has been cleaned and inspected to make sure it is in good condition with no heavy rust accumulations or traces of previous cargoes;
(2) No alkylene oxide is loaded into a containment system that within the previous three loadings carried a cargo listed in paragraph (b) of this section unless the containment system has been cleaned to the satisfaction of a Coast Guard Marine Inspector or a person specifically authorized by the Commandant (G-MSO) to approve alkylene oxide tank cleaning;
(3) No cargo but an alkylene oxide is loaded into a containment system which last carried an alkylene oxide unless the containment system has been cleaned of alkylene oxide to the satisfaction of a Coast Guard Marine Inspector or person specifically authorized by the Commandant (G-MSO) to approve alkylene oxide tank cleaning; and
(4) No hose marked “For Alkylene Oxide Transfer Only” is used for the transfer of a cargo other than an alkylene oxide.
(b) The following cargoes are particularly reactive with alkylene oxides:
(1) Non-oxidizing mineral acids (e.g. hydrochloric, phosphoric);
(2) Sulfuric acid;
(3) Nitric acid;
(4) Organic acids (e.g. acetic, formic);
(5) Halogenated organic acids (e.g. chloroacetic);
(6) Sulfonic acids (e.g. alkyl benzene sulfonic);
(7) Caustic alkalies (e.g. caustic soda, caustic potash; sodium hydrosulfide);
(8) Ammonia and ammonia solutions;
(9) Aliphatic amines;
(10) Alkanolamines; and
(11) Oxidizing substances.
[CGD 78–128, 47 FR 21211, May 17, 1982, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983; CGD 81–078, 50 FR 21174, May 22, 1985]
§ 153.1020 Unusually toxic cargoes.
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(a) No person may load or carry a cargo referenced to this section in Table 1 unless the cargo's piping and venting systems are separated from piping and venting systems carrying cargoes not referred to this section.
(b) The master shall ensure that no heat transfer medium that has been circulated through a cargo referenced to this section in Table 1 is circulated through a cargo not referenced to this section unless he determines the medium to be uncontaminated with cargo.
(c) No person may discharge overboard condensed steam from the heating system of a cargo referenced to this section in Table 1 unless he first determines the condensate to be uncontaminated with cargo.
[CGD 73–96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78–128, 47 FR 21212, May 17, 1982]
§ 153.1025Motor fuel antiknock compounds. (continued)