46 C.F.R. §§ 153.470–153.491

§153.470. System for discharge of NLS residue to the sea: Categories A, B, C, and D.

46 C.F.R. § 153.470

Unless waived under § 153.491, each ship that discharges Category A, B, or C NLS residue, or Category D NLS residue not diluted to 1/10th 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:

(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.

Notes, amendments, and revision history

Amendments

[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]

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

Amendments

[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]

§153.480. Stripping quantity for Category B and C NLS tanks on ships built after June 30, 1986: Categories B and C.

46 C.F.R. § 153.480

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.

Notes, amendments, and revision history

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

§153.481. Stripping quantities and interim standards for Category B NLS tanks on ships built before July 1, 1986: Category B.

46 C.F.R. § 153.481

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 1/3000th 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:

(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.

Notes, amendments, and revision history

Amendments

[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]

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

Amendments

[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]

§153.482. Stripping quantities and interim standards for Category C NLS tanks on ships built before July 1, 1986: Category C.

46 C.F.R. § 153.482

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.

Notes, amendments, and revision history

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

§153.483. Restricted voyage waiver for Category B and C NLS tanks on ships built before July 1, 1986: Category B and C.

46 C.F.R. § 153.483

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.

Notes, amendments, and revision history

Amendments

[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]

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

Amendments

[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]

§153.484. Prewash equipment.

46 C.F.R. § 153.484

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.

Notes, amendments, and revision history

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

§153.486. Design and equipment for removing NLS residue by ventilation: Categories A, B, C, and D.

46 C.F.R. § 153.486

(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.

Notes, amendments, and revision history

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

§153.488. Design and equipment for tanks carrying high melting point NLSs: Category B.

46 C.F.R. § 153.488

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.

Notes, amendments, and revision history

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

§153.490. Cargo Record Book and Approved Procedures and Arrangements Manual: Categories A, B, C, and D.

46 C.F.R. § 153.490

(a)

Unless waived under § 153.491, to have a Certificate of Inspection or Certificate of Compliance endorsed to carry NLS cargo, a ship must have—

(1)

If U.S., a Cargo Record Book published by the Coast Guard (OMB App. No. 1625-0094), or, if foreign, a Cargo Record Book having the same entries and format as Appendix 4 of Annex II; and

(2)

A Procedures and Arrangements Manual meeting paragraph (b) of this section and approved by—

(i)

The Coast Guard, if the ship is a United States ship or one whose Administration is not signatory to MARPOL 73/78; or

(ii)

The Administration, if the ship is one whose Administration is signatory to MARPOL 73/78.

(b)

Each Procedures and Arrangements Manual under paragraph (a)(2) of this section must include the following:

(1)

The standard format and content prescribed in Chapter 2 and Appendix D of the IMO Standards for Procedures and Arrangements for the Discharge of Noxious Liquid Substances, Resolution MEPC 18(22), 1985, or, for ships for which the only NLS carried is a Category D NLS and ships having a waiver under § 153.483 or § 153.491, the format and content prescribed by the Commandant (CG-ENG).

(2)

If the ship has a tank that carries a cargo under a waiver issued under § 153.483, procedures ensuring that—

(i)

Category B and C NLSs are discharged from the tank only in the ports or terminals listed in accordance with § 153.483(b); and

(ii)

The tank is prewashed after discharging each Category B or C NLS unless § 153.1114 allows the prewash to be omitted.

(3)

If ventilation is used to clean a tank under § 153.1102(b)(2), ventilation procedures that meet those in Appendix C of the IMO Standards for Procedures and Arrangements for the Discharge of Noxious Liquid Substances, Resolution MEPC 18(22), 1985.

(4)

If tank cleaning agents are used, quantities to use and instructions for using the cleaning agents.

(5)

If the tank has the discharge recording equipment required in § 153.481(b), procedures to ensure that no NLS residue is discharged from the tank when the recording equipment is incapacitated unless the concentration and total quantity limits for the NLS in Annex II are not exceeded.

Notes, amendments, and revision history

Amendments

[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; USCG-2006-25697, 71 FR 55747, Sept. 25, 2006]

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

Amendments

[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; USCG-2006-25697, 71 FR 55747, Sept. 25, 2006]

§153.491. Waiver of certain equipment for dedicated cargo tanks.

46 C.F.R. § 153.491

(a)

The Coast Guard waives §§ 153.440(a)(3), 153.480, 153.481, 153.482, and 153.488 and endorses a ship's Certificate of Inspection or Certificate of Compliance allowing a cargo tank to carry a single, specific NLS cargo and no other cargo if the ship's owner—

(1)

Requests a waiver following the procedures in § 153.10; and

(2)

Pledges in writing that while any waiver is in effect the cargo tank will—

(i)

Carry only the NLS cargo listed on the Certificate of Inspection or Certificate of Compliance;

(ii)

Carry no cargo other than the NLS; and

(iii)

Not be washed or ballasted unless the wash water or ballast water is discharged to a reception facility.

(b)

The Coast Guard waives §§ 153.470 and 153.490(a)(2) if—

(1)

The ship's owner requests a waiver following the procedures in § 153.10;

(2)

The Coast Guard has issued a waiver to each of the ship's NLS cargo tanks under paragraph (a) of this section; and

(3)

The ship's owner adds to the ship's operational manual any provisions for preventing NLS discharge specified by the Commandant (CG-ENG) as a condition for issuing the waiver.

Notes, amendments, and revision history

Amendments

[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]

Source

Source: Sections 153.470 through 153.491 appear at CGD 81-101, 52 FR 7781, Mar. 12, 1987, unless otherwise noted.

Authority

Authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).

Source

Source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.

Amendments

[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]