StatA

§ 161.013–9

46 CFR Ch. I (10–1–98 Edition)

(b) The flash characteristics described in paragraph (a) must be produced automatically when the signal is
activated.
§ 161.013–9 Independent power source.
(a) Each independent power source
must be capable of powering the light
so that it meets the requirements of
§ 161.013–3(a)(1) and emits a recognizable flash characteristic of the International Morse Code for S-O-S at a rate
of between 3 and 5 times per minute
after six hours of continuous display of
the signal.
(b) If the independent power source is
rechargeable, it must have a waterproof recharger designed for marine
use.
(c) If the independent power source
requires external water to form an
electrolyte, it must operate in sea
water and fresh water.
§ 161.013–11 Prototype test.
(a) Each manufacturer must test a
prototype light identical to the lights
to be certified prior to the labeling required by § 161.013–13.
(b) If the prototype light fails to
meet any of the general performance
requirements of § 161.013–3 the lights
must not be certified under this subpart.
(c) Each manufacturer must:
(1) Forward the test results within 30
days to the Commandant (G–MSE), U.
S. Coast Guard, Washington, DC 20593–
0001; and
(2) Retain records of the test results
for at least 5 years, or as long as the
light is manufactured and certified,
whichever is longer.
[CGD 76–183a, 44 FR 73054, Dec. 17, 1979, as
amended by CGD 88–070, 53 FR 34536, Sept. 7,
1988; CGD 95–072, 60 FR 50467, Sept. 29, 1995;
CGD 96–041, 61 FR 50734, Sept. 27, 1996]

§ 161.013–13 Manufacturer
certification and labeling.
(a) Each electric light intended as a
Night Visual Distress Signal required
by 33 CFR part 175 must be certified by
the manufacturer as complying with
the requirements of this subpart.
(b) Each electric light must be legibly and indelibly marked with:
(1) Manufacturer’s name;
(2) Replacement battery type;

(3) Lamp size; and
(4) The following words—
‘‘Night Visual Distress Signal for
Boats Complies with U. S. Coast Guard
Requirements in 46 CFR 161.013. For
Emergency Use Only.’’
(c) If an electric light is designed for
use with dry cell batteries the label
must advise the consumer on the battery replacement schedule which under
normal conditions would maintain performance requirements of § 161.013–3.
§ 161.013–17 Manufacturer notification.
Each manufacturer certifying lights
in accordance with the specifications
of this subpart must send written notice to the Commandant (G–MSE), U.
S. Coast Guard, Washington, DC 20593–
0001 within 30 days after first certifying
them, and send a new notice every five
years thereafter as long as it certifies
lights.
[CGD 76–183a, 44 FR 73054, Dec. 17, 1979, as
amended by CGD 88–070, 53 FR 34536, Sept. 7,
1988; CGD 95–072, 60 FR 50467, Sept. 29, 1995;
CGD 96–041, 61 FR 50733, Sept. 27, 1996]

PART 162—ENGINEERING
EQUIPMENT
Subpart 162.017—Valves, PressureVacuum Relief, for Tank Vessels
Sec.
162.017–1 Applicable specifications.
162.017–2 Type.
162.017–3 Materials, construction, and workmanship.
162.017–4 Inspections and testing.
162.017–5 Marking.
162.017–6 Procedure for approval.

Subpart 162.018—Safety Relief Valves,
Liquefied Compressed Gas
162.018–1 Applicable specifications, and referenced material.
162.018–2 Scope.
162.018–3 Materials.
162.018–4 Construction and workmanship.
162.018–5 Blow-down adjustment and popping tolerance.
162.018–6 Marking.
162.018–7 Flow rating tests.
162.018–8 Procedure for approval.

Subpart 172.027—Combination Solid
Stream and Water Spray Firehose Nozzles
162.027–1 Incorporation by reference.
162.027–2 Design, construction, testing and
marking requirements.

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162.027–3

§ 162.017–3

Approval procedures.

Subpart 162.017—Valves, Pressure-Vacuum Relief, for Tank
Vessels

Subpart 162.028—Extinguishers, Fire,
Portable, Marine Type
162.028–1
162.028–2
162.028–3
162.028–4
162.028–5
162.028–6
tions.
162.028–7
162.028–8

Applicable specifications.
Classification.
Requirements.
Marine type label.
Independent laboratories: Listing.
Examinations, tests, and inspecProcedure for listing and labeling.
Termination of listing or labeling.

Subpart 162.039—Extinguishers, Fire,
Semiportable, Marine Type
162.039–1
162.039–2
162.039–3
162.039–4
162.039–5
162.039–6
tions.
162.039–7
162.039–8

Applicable specifications.
Classification.
Requirements.
Marine type label.
Recognized laboratory.
Examinations, tests, and inspecProcedure for listing and labeling.
Termination of listing or labeling.

Subpart 162.050—Pollution Prevention
Equipment
162.050–1 Scope.
162.050–3 Definitions.
162.050–4 Documents incorporated by reference.
162.050–5 Contents of application.
162.050–7 Approval procedures.
162.050–9 Test report.
162.050–11 Marking.
162.050–13 Factory production and inspection.
162.050–14 Sample collection and preservation.
162.050–15 Designation of facilities.
162.050–17 Separator test rig.
162.050–19 Monitor and bilge alarm test rig.
162.050–21 Separator: Design specification.
162.050–23 Separator: Approval tests.
162.050–25 Cargo monitor: Design specification.
162.050–27 Cargo monitor: Approval tests.
162.050–29 Bilge monitor: Design specification.
162.050–31 Bilge monitor: Approval tests.
162.050–33 Bilge alarm: Design specification.
162.050–35 Bilge alarm: Approval tests.
162.050–37 Vibration test.
162.050–39 Measurement of oil content.
AUTHORITY: 33 U.S.C. 1321(j) 1903; 46 U.S.C.
3306, 3703, 4104, 4302; E.O. 12234, 45 FR 58801, 3
CFR, 1980 Comp., p. 277; E.O. 11735, 38 FR
21243, 3 CFR, 1971–1975 Comp., p. 793; 49 CFR
1.46.

SOURCE: CGFR 50–9, 15 FR 1680, Mar. 25,
1950, unless otherwise noted.

§ 162.017–1 Applicable specifications.
(a) There are no other specifications
applicable to this subpart.
(b) [Reserved]
§ 162.017–2 Type.
This specification covers the design
and construction of pressure-vacuum
relief valves intended for use in venting systems on all tank vessels transporting inflammable or combustible
liquids.
[56 FR 35827, July 29, 1991]

§ 162.017–3 Materials,
construction,
and workmanship.
(a) The valves shall be of substantial
construction and first class workmanship and shall be free from imperfections which may affect its serviceability.
(b) Bodies of pressure-vacuum relief
valves must be made of bronze or such
corrosion-resistant material as may be
approved by the Commandant (G–
MSE).
(c) Valve discs, spindles, and seats
shall be made of bronze or such corrosion–-resistant material as may be approved by the Commandant.
(d) Where springs are employed to actuate the valve discs, the springs shall
be made of corrosion-resistant material. Springs plated with corrosion-resistant material are not acceptable.
(e) Flame screens shall be made of
corrosion-resistant wire.
(f) Nonmetallic materials will not be
permitted in the construction of the
valves, except bushings used in way of
moving parts and gaskets may be made
of nonmetallic material resistant to
attack by the product carried. Nonmetallic diaphragms will be allowed
where diaphragm failure will not result
in unrestricted flow of cargo vapors to
the atmosphere nor in an increase in
the pressure or vacuum at which the
valve normally releases.
(g) The design and construction of
the valves shall permit overhauling

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46 CFR Ch. I (10–1–98 Edition)

and repairs without removal from the
line.
(h) Valve discs shall be guided by a
ribbed cage or other suitable means to
prevent binding, and to insure proper
seating. Where valve stems are guided
by bushings suitably designed to prevent binding and to insure proper seating, the valves need not be fitted with
ribbed cages.
(i) The disc shall close tight against
the valve seat by metal to metal contact, however, resilient seating seals
may be provided if the design is such
that the disc closes tight against the
seat in case the seals are destroyed or
in case they carry away.
(j) Pressure-vacuum relief valves for
venting cargo tanks shall be of not less
than 21⁄2 inches nominal pipe size.
(k) Bodies of valves shall be designed
to withstand a hydrostatic pressure of
at least 125 pounds per square inch
without rupturing or showing permanent distortion.
(l) The valve discs may be solid or
made hollow so that weight material
may be added to vary the lifting pressure. If hollow discs are employed, a
watertight bolted cover shall be fitted
to encase the weight material. The
pressure at which the discs open shall
not exceed 120 percent of the set pressure.
(m) The free area through the valve
seats at maximum lift shall not be less
than the cross-sectional area of the
valve inlet connection.
(n) Double flame screens of 20×20 corrosion-resistant wire mesh with a 1⁄2inch corrosion-resistant separator on a
single screen of 30×30 corrosion-resistant wire mesh shall be fitted on all
openings to atmosphere. The net free
area through the flame screens shall
not be less than 11⁄2 times the cross-sectional area of the vent inlet from the
cargo tanks.
(o) Valve bodies may have screwed or
flanged pipe connections, or such types
of connections as may be approved by
the Commandant. If flanged, the thickness and drilling shall comply with
USA standards for 150-pound bronze
flanged fittings.
(p) Where design of valve does not
permit complete drainage of condensate to attached cargo tank or vent
line, the valve body shall be fitted with

a plugged drain opening on the side of
the atmospheric outlet of not less than
1⁄2 inch pipe size.
(q) Relief pressure adjusting mechanisms shall be permanently secured by
means of lockwires, locknuts, or other
acceptable means.
[CGFR 50–9, 15 FR 1680, Mar. 25, 1950, as
amended by CGFR 68–82, 33 FR 18907, Dec. 18,
1968; CGD 88–032, 56 FR 35827, July 29, 1991;
CGD 95–072, 60 FR 50467, Sept. 29, 1995; CGD
96–041, 61 FR 50734, Sept. 27, 1996]

§ 162.017–4 Inspections and testing.
Pressure-vacuum relief valves may
be inspected and tested at the plant of
the manufacturer. An inspector may
conduct such tests and examinations as
may be necessary to determine compliance with this specification.
[56 FR 35827, July 29, 1991]

§ 162.017–5 Marking.
(a) Each valve shall be legibly
marked with the style, type or other
designation of the manufacturer, the
size, pressure and vacuum setting and
name or registered trademark of the
manufacturer and Coast Guard approval number. The minimum wording
for showing the approval number shall
be
‘‘USCG/162.017/* *’’
or
‘‘USCG
162.017–* *’’.
(b) [Reserved]
[CGFR 68–82, 33 FR 18908, Dec. 18, 1968]

§ 162.017–6 Procedure for approval.
(a) General. Pressure-vacuum relief
valves intended for use on tank vessels
must be approved for such use by the
Commandant (G–MSE), U.S. Coast
Guard, Washington, DC 20593–0001.
(b) Drawings and specifications. Manufacturers desiring approval of a new design or type of pressure-vacuum relief
valve shall submit drawings in quadruplicate showing the design of the valve,
the sizes for which approval is requested, method of operation, thickness and material specification of component parts, diameter of seat opening
and lift of discs, mesh and size of wire
of flame screens.
(c) Pre-approval tests. Before approval
is granted, the manufacturer shall have
* * Number to be assigned by the Commandant.

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§ 162.018–3

tests conducted, or submit evidence
that such tests have been conducted,
by the Underwriters’ Laboratories, the
Factory Mutual Laboratories, or by a
properly supervised and inspected test
laboratory acceptable to the Commandant (G–MSE), relative to determining the lift, relieving pressure and
vacuum, and flow capacity of a representative sample of the pressure-vacuum relief valve in each size for which
approval is desired. Test reports including flow capacity curves must be
submitted to the Commandant (G–
MSE).

tificate of approval. It is the manufacturer’s responsibility to have the latest
issue, including addenda and changes,
of the referenced material on hand
when manufacturing equipment under
this subpart.
(1) The ASME Code may be obtained
from the American Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York,
N.Y. 10017.
(2) The CGA standard may be obtained from the Compressed Gas Association, 500 Fifth Avenue, New York,
N.Y. 10036.

[56 FR 35827, July 29, 1991, as amended by
CGD 95–072, 60 FR 50467, Sept. 29, 1995; CGD
96–041, 61 FR 50734, Sept. 27, 1996]

[CGFR 68–82, 33 FR 18908, Dec. 18, 1968]

Subpart 162.018—Safety Relief
Valves, Liquefied Compressed
Gas
§ 162.018–1 Applicable
specifications,
and referenced material.
(a) There are no other specifications
applicable to this subpart except as
noted in this subpart.
(b) The following referenced material
from industry standards of the issue in
effect on the date safety relief valves
are manufactured shall form a part of
the regulations of this subpart (see
§§ 2.–75–17 through 2.75–19 of Subchapter
A (Procedures Applicable to the Public) and Subpart 50.15 of Subchapter F
(Marine Engineering) of this chapter):
(1) ASME (American Society of Mechanical Engineers) Code (see § 50.–15–5
of subchapter F (Marine Engineering)
of this chapter): The following paragraph from section VIII of the ASME
Code:
(i) UG–131,
§ 162.018–7(a).

flow

rating

of

valves,

see

(2) CGA (Compressed Gas Association) standard: The following standard
of the Compressed Gas Association (see
§ 50.15–20(a) of Subchapter F (Marine
Engineering) of this chapter):
(i) S–1.2.5.2, Flow test data for safety and
relief valves for use on pressure vessels, see
§ 162.018–7(a).

(c) A copy of this specification and
the referenced material listed in this
section, if used, shall be kept on file by
the manufacturer, together with the
approved plans, specifications, and cer-

§ 162.018–2 Scope.
(a) This specification covers requirements for the design, construction and
testing of safety relief valves intended
for use on unfired pressure vessels containing liquefied compressed gases installed on merchant vessels subject to
inspection by the Coast Guard.
(b) [Reserved]
[CGFR 52–43, 17 FR 9540, Oct. 18, 1952]

§ 162.018–3 Materials.
(a) The materials used in the manufacture of safety relief valves shall conform to the applicable requirements of
subchapter F (Marine Engineering) of
this chapter, except as otherwise specified in this subpart, and shall be resistant to the corrosive or other action of
the liquefied compressed gas in the liquid or gas phase.
(b) All pressure containing external
parts of valves must be constructed of
materials melting above 1700 °F. for
liquefied flammable gas service. Consideration of lower melting materials
for internal pressure-containing parts
will be given if their use provides significant improvement to the general
operation of the valve. Flange gaskets
shall be metal or spiral wound asbestos.
(c) Nonferrous materials shall not be
used in the construction of valves for
anhydrous ammonia or other service
where susceptible to attack by the lading.
(d) The seats and disks shall be of
suitable corrosion resistant material.
Seats and disks of cast iron or malleable iron shall not be used. Springs

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46 CFR Ch. I (10–1–98 Edition)

shall be of best quality spring steel
consistent with the design of the valve
and the service requirement.
[CGFR 52–43, 17 FR 9540, Oct. 18, 1952, as
amended by CGFR 68–82, 33 FR 18908, Dec. 18,
1968; CGD 72–206R, 38 FR 17230, June 29, 1973]

§ 162.018–4 Construction and workmanship.
(a) Safety relief valves shall be of either the internal or external springloaded type, suitable for the intended
service.
(b) Safety relief valve body, base,
bonnet and internals shall be designed
for a pressure of not less than the setpressure of the valve.
(c) All safety relief valves shall be so
constructed that the failure of any part
cannot obstruct the free and full discharge of vapors from the valve.
(d) The nominal size of a safety relief
valve shall be the inside diameter of
the inlet opening to the individual
valve disk. No safety relief valve shall
be smaller than 3⁄4 inch nor larger than
6 inches. Safety relief valves shall have
flanged or welded end inlet connections
and either flanged or screwed outlet
connections, except outlets exceeding 4
inches in diameter shall be flanged.
(e) Safety relief valves shall be of the
angle or straight-through type, fitted
with side or top outlet discharge connections.
(f)(1) Springs shall not show a permanent set exceeding 1 percent of their
free length 10 minutes after being released from a cold compression test
closing the spring solid.
(2) Springs may not be re-set for any
pressure more than 10 percent above or
10 percent below that for which the
valve is marked.
(3) If the operating conditions of a
valve are changed so as to require a
new spring under paragraph (f)(2) of
this section for a different pressure,
the valve shall be adjusted by the manufacturer or his authorized representative.
(g) The design and construction of
safety relief valves shall permit easy
access for inspection and repair.
(h) Safety relief valves shall be
tapped for not less than 1⁄4 inch pipe
size drain at the lowest practicable
point where liquid can collect.
[CGFR 52–43, 17 FR 9540, Oct. 18, 1952]

§ 162.018–5 Blow-down adjustment and
popping tolerance.
(a) Safety relief valves shall be so
constructed that no shocks detrimental to the valve or pressure vessel are
produced when lifting or closing. Safety relief valves shall be designed to
open sharply and reach full lift and capacity at the maximum accumulation.
Valve closure after popping shall be
clean and sharp. Safety relief valves
shall operate satisfactorily without
wiredrawing and chattering at any
stage of operation.
(b) Safety relief valves having
adjustible
blow-down
construction
shall be adjusted to close after blowing
down not more than 5 percent of the
set pressure. Valves shall be adjusted
to pop within a tolerance of plus or
minus 3 percent of the set pressure, except that for pressures of 70 p.s.i. and
below, the tolerance in popping pressure shall not vary more than plus or
minus 2 p.s.i.
[CGFR 52–43, 17 FR 9541, Oct. 18, 1952]

§ 162.018–6

Marking.

(a) Each safety relief valve shall be
plainly marked by the manufacturer
with the required data in such a way
that the marking will not be obliterated in service. The marking may be
stamped on the valve or stamped or
cast on a plate securely fastened to the
valve. The marking shall include the
following data:
(1) The name or identifying trademark of the manufacturer.
(2) Manufacturer’s design or type
number.
(3) Size ll inches. (The pipe size of
the valve inlet).
(4) Set pressure ll p.s.i.
(5) Rated capacity ll cubic feet per
minute of the gas or vapor (at 60 °F.
and 14.7 p.s.i.a.).
(6) Coast Guard approval number.
The minimum wording for showing approval shall be ‘‘USCG 162.018/* *’’ or
‘‘USCG 162.018–* *’’.
(b) [Reserved]
[CGFR 68–82, 33 FR 18908, Dec. 18, 1968]
* * Number to be assigned by the Commandant.

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§ 162.027–2

§ 162.018–7 Flow rating tests.

§ 162.027–1

(a) Flow rating of valves shall be conducted in accordance with UG–131 of
section VIII of the ASME Code, S–
1.2.5.2 of the Compressed Gas Association Standards, or other procedure approved by the Commandant.
(b) [Reserved]

(a) Certain material is incorporated
by reference into this part with the approval of the Director of the Federal
Register under 5 U.S.C. 552(a) and 1
CFR part 51. To enforce any edition
other than that specified in paragraph
(b) of this section, the Coast Guard
must publish a notice of change in the
FEDERAL REGISTER and the material
must be available to the public. All approved material is available for inspection at the Office of the Federal Register, 800 North Capitol Street NW.,
Suite 700, Washington, DC and at the
U.S. Coast Guard, Office of Design and
Engineering Standards (G–MSE), 2100
Second Street SW, Washington, DC and
is available from the sources indicated
in paragraph (b) of this section.
(b) The material approved for incorporation by reference in this part and
the sections affected are as follows:

[CGFR 68–82, 33 FR 18908, Dec. 18, 1968]

§ 162.018–8 Procedure for approval.
(a) General. Safety relief valves for
use on pressure vessels containing liquefied compressed gases shall be approved by the Commandant (G–MSE),
U.S. Coast Guard, Washington, DC
20593–0001.
(b) Plan submittal. Manufacturers desiring to secure approval of a new design or type of safety relief valve shall
submit in quadruplicate detail drawings showing the valve construction,
and material specifications of the component parts. In the event the design is
changed, amended drawings shall be
submitted to the Commandant for reapproval.
(c) Pre-approval tests. (1) Prior to approval of safety relief valves by the
Commandant,
manufacturers
shall
have capacity certification tests conducted, in accordance with § 162.018–7 or
submit satisfactory evidence that such
tests have been conducted and approved by The National Board of Boiler
and Pressure Vessel Inspectors or by a
properly supervised and inspected test
laboratory acceptable to the Commandant.
(2) Reports of conducted tests on designs of safety relief valves different
from those previously approved shall
be submitted by the manufacturer
when requesting approval for different
designs.
[CGFR 52–43, 17 FR 9540, Oct. 18, 1952, as
amended by CGFR 68–82, 33 FR 18908, Dec. 18,
1968; CGD 88–070, 53 FR 34536, Sept. 7, 1982;
CGD 96–041, 61 FR 50734, Sept. 27, 1996]

Subpart
162.027—Combination
Solid Stream and Water Spray
Firehose Nozzles
SOURCE: CGD 95–027, 61 FR 26009, May 23,
1996, unless otherwise noted.

Incorporation by reference.

American Society for Testing and Materials
(ASTM)
100 Barr Harbor Drive, West Conshohocken,
PA 19428–2959.
ASTM F 1546–94, Standard Specification for
Firehose Nozzles—162.027–2; 162.027–3
[CGD 95–027, 61 FR 26009, May 23, 1996, as
amended by CGD 96–041, 61 FR 50734, Sept. 27,
1996; CGD 97–057, 62 FR 51049, Sept. 30, 1997]

§ 162.027–2 Design, construction, testing and marking requirements.
(a) Each combination solid stream
and water spray firehose nozzle required to be approved under the provisions of this subpart must be designed,
constructed, tested, and marked in accordance with the requirements of
ASTM F 1546–94.
(b) All inspections and tests required
by ASTM F 1546–94 must be performed
by an independent laboratory accepted
by the Coast Guard under subpart
159.010 of this chapter. A list of independent Laboratories accepted by the
Coast Guard as meeting subpart 159.010
of this chapter may be obtained by contacting the Commandant (G–MSE).
(c) The independent laboratory shall
prepare a report on the results of the
testing and shall furnish the manufacturer with a copy of the test report

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46 CFR Ch. I (10–1–98 Edition)

upon completion of the testing required by ASTM F 1546–94.
[CGD 95–027, 61 FR 26009, May 23, 1996, as
amended by CGD 96–041, 61 FR 50734, Sept. 27,
1996]

§ 162.027–3 Approval procedures.
(a) Firehose nozzles designed, constructed, tested, and marked in accordance with ASTM F 1546–94 are considered to be approved under the provisions of this chapter.
(b) Firehose nozzles designed, constructed, tested and marked in accordance with the provisions of this subpart in effect prior to June 24, 1996, are
considered to be approved under the
provisions of this chapter.

Subpart 162.028—Extinguishers,
Fire, Portable, Marine Type
SOURCE: CGFR 60–36, 25 FR 10640, Nov. 5,
1960, unless otherwise noted.

§ 162.028–1 Applicable specifications.
(a) There are no other Coast Guard
specifications applicable to this subpart.
(b) [Reserved]
§ 162.028–2 Classification.
(a) Every portable fire extinguisher
shall be classified as to type and size as
specified in § 76.50–5 (Subchapter H—
Passenger Vessels) of this chapter.
(b) [Reserved]
§ 162.028–3 Requirements.
(a) General. Every portable fire extinguisher shall conform to the requirements for listing and labeling by a recognized laboratory, and shall be of such
design, materials, and construction as
to meet the requirements specified in
this section.
(b) Design and weight. Every portable
fire extinguisher shall be self-contained, i.e., when charged it shall not
require any additional source of extinguishing agent or expellant energy for
its operation during the time it is
being discharged, and it shall weigh
not more than 55 pounds, maximum,
when fully charged.
(c) Materials. Materials used for exposed working parts shall be corrosionresistant to salt water and spray. Ma-

terials used for other exposed parts
shall be either corrosion-resistant or
shall be protected by a suitable corrosion-resistant coating.
(1) Corrosion-resistant materials. The
materials which are considered to be
corrosion-resistant are copper, brass,
bronze, certain copper-nickel alloys,
certain alloys of aluminum, certain
plastics, and certain stainless steels.
(2) Corrosion-resistant coatings. (i) The
following systems of organic or metallic coatings for exposed non-working
ferrous parts, when applied on properly
prepared surfaces after all cutting,
forming, and bending operations are
completed, are considered to provide
suitable corrosion resistance:
(a) Bonderizing, followed by the application of zinc chromate primer, followed by one or more applications of
enamel; or,
(b) Hot-dipped or electrodeposited
zinc in thicknesses not less than 0.002
inch; or,
(c) Electrodeposited cadmium in
thicknesses not less than 0.001 inch; or,
(d) Hot-dipped or sprayed aluminum
in thicknesses not less than 0.002 inch;
or,
(e) Copper plus nickel in total
thicknesses not less than 0.003 inch, of
which the nickel is not less than 0.002
inch, plus any thickness of chrome.
(ii) The metallic platings of less than
the thicknesses specified in this paragraph are not acceptable for the protection against corrosion of ferrous
parts.
(3) Decorative platings. Decorative
platings in any thicknesses applied
over corrosion-resistant materials and
corrosion-resistant coatings are acceptable for either working or nonworking parts.
(4) Dissimilar metals. The use of dissimilar metals in combination shall be
avoided wherever possible, but when
such contacts are necessary, provisions
(such as bushings, gaskets, or o-rings)
shall be employed to prevent such deleterious effects as galvanic corrosion,
freezing or buckling of parts, and loosening or tightening of joints due to differences in thermal expansion.
(5) Suitability of materials. All extinguishers submitted for approval shall

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§ 162.028–3

undergo the salt spray test in accordance with paragraph (c)(6) of this section.
(6) Salt spray tests. Expose the complete fully charged specimen extinguisher to a 20 percent sodium chloride
solution spray at a temperature of 95
°F. (35 °C.) for a period of 240 hours. The
procedures and apparatus described in
Method 811 of Federal Test Method
Standard No. 151 are suitable. Alternate methods may be found satisfactory if the results are comparable. Following the test, allow the specimen extinguisher to air dry for a period of 48
hours. Following the air drying—
(i) The extinguisher must be capable
of being operated and recharged in a
normal fashion;
(ii) Any coating required in this section to be corrosion resistant must remain intact and must not be removable
(when such removal exposes a material
subject to corrosion) by such action as
washing or rubbing with a thumb or
fingernail;
(iii) No galvanic corrosion may appear at the points of contact or close
proximity of dissimilar metals;
(iv) The extinguisher and its bracket,
if any, must not show any corrosion,
except corrosion that can be easily
wiped off after rinsing with tap water,
on surfaces having no protective coating or paint; and,
(v) The gauge on a stored pressure extinguisher must remain watertight
throughout the test.
(d) Bursting pressure. For all extinguishers except the carbon dioxide
type, the hydrostatic bursting pressure
of the extinguisher and component
parts which are subjected to pressure,
exclusive of the hose, shall be at least
five times the maximum working pressure during discharge of the extinguisher at approximately 70 °F. During
this test, a pressure gauge if fitted will
usually be removed to avoid breaking
the indicating mechanism, but the
gauge shall be capable of withstanding
the same test without leaking.
(e) Vibration resistance. The complete,
fully charged specimen extinguisher,
secured in its bracket which is mounted to the test machine, shall be tested
in accordance with sections 3.1 through
3.1.4.4 of Military Standard MIL–STD–
167. Following this test, there shall be

no obvious failures of parts or assemblies, and the specimen shall be capable of being operated satisfactorily
without undue effort or special procedures on the part of the operator, and
the specimen shall be capable of being
recharged satisfactorily in accordance
with the directions on the name plate
without the use of extraordinary tools
or procedures.
(f) Additional marking. (1) As part of
the usual name plate marking, there
shall be included the rated capacity of
the extinguisher in gallons, quarts, or
pounds, and complete instructions for
recharging, including the identification of the recharge materials and of
the pressure cartridge or separate container if one is used.
(2) For extinguishers which are not
ordinarily discharged or opened during
the regular maintenance inspections
and tests, the weight of the fully
charged extinguisher shall be diestamped, embossed, or cast in a conspicuous location on the name plate,
valve body, or shell of the extinguisher.
(3) Pasted-on type paper or decalcomania labels are not acceptable for any
of the required extinguisher markings.
(4) For stored pressure type or cartridge operated type water or antifreeze portable fire extinguishers, each
extinguisher name plate shall be
marked to indicate whether the extinguisher is to be filled with plain water
or with anti-freeze solution. Combination type name plates showing the
charge may be either plain water or
antifreeze solution will not be permitted.
(5) Recharge packages shall be legibly marked with the name of the recharge and the capacity of contents in
gallons, quarts, or pounds, in addition
to the usual recharge package marking. Recharge pressure cartridges shall,
in addition to the usual marking, also
be plainly marked to show the distinctive identifying designation of the cartridge.
(g) Mounting bracket. Every portable
fire extinguisher shall be supplied with
a suitable bracket which will hold the
extinguisher securely in its stowage location on vessels or boats, and which is
arranged to provide quick and positive
release of the extinguisher for immediate use.

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(h) Carbon dioxide type. Every carbon
dioxide type extinguisher shall be
fitted with a valve which will withstand a minimum bursting pressure of
6,000 p.s.i., and a discharge hose or tube
which will withstand a minimum
bursting pressure of 5,000 p.s.i. The
hose shall be constructed with either a
wire braid or other conducting material for conducting static charges occurring at the discharge nozzle back to
the body of the extinguisher.
(i) [Reserved]
(j) Dry chemical type. (1) [Reserved]
(2) Every dry chemical stored pressure type portable fire extinguisher,
i.e., one which employs a single chamber for both the dry chemical and expellant gas, shall be fitted with a pressure gauge or device to show visual indication of whether or not the pressure
in the chamber is in the operating
range.
(k) Toxic extinguishing agents. Every
portable fire extinguisher shall contain
only agents which qualify for the Underwriters’ Laboratories, Inc., toxicity
rating of Group 5 or Group 6, and which
in normal fire extinguishing use do not
generate decomposition products in
concentrations hazardous to life.
(l) Gauge. Every pressure gauge used
on a portable fire extinguisher shall
have an accuracy of at least 2 percent
of the scale range for the middle half of
the scale conforming to ASME Grade B
commercial accuracy. The gauge when
new shall be watertight, i.e., with the
connection capped or plugged, no water
shall penetrate to the interior of the
case during submergence one foot
below the surface of water for a period
of two hours. The gauge shall be constructed of corrosion-resistant materials, so that the pointer or face lettering will not be obliterated by the action of salt water if some leakage
should occur after rough handling or
extended periods of service. The gauge,
when attached to the fire extinguisher,
shall pass the salt spray and vibration
tests prescribed by § 162.028–3 (c)(1) and
(e).
(m) Fire tests. In addition to the usual
fire tests conducted to determine the
suitability and adequacy of portable
fire extinguishers, additional fire tests,
such as those described in National Bureau of Standards Building Materials

and Structures Report 150, issued June
14, 1957, may be employed in determining the suitability for ‘‘marine type’’
listing and labeling.
(n) Additional tests. Every portable extinguisher may be additionally examined and tested to establish its reliability and effectiveness in accordance
with the intent of this specification for
a ‘‘marine type’’ portable fire extinguisher when considered necessary by
the Coast Guard or by the recognized
laboratory.
[CGFR 60–36, 25 FR 10640, Nov. 5, 1960, as
amended by CGFR 62–17, 27 FR 9046, Sept. 11,
1962; CGFR 56–28, 29 FR 12726, Sept. 9, 1964;
CGFR 64–67, 29 FR 14742, Oct. 29, 1964; CGD
72–214R, 38 FR 6880, Mar. 14, 1973; CGD 73–73R,
38 FR 27354, Oct. 3, 1973]

§ 162.028–4

Marine type label.

(a) In addition to all other marking,
every portable extinguisher shall bear
a label containing the ‘‘marine type’’
listing manifest issued by a recognized
laboratory. This label will include the
classification of the extinguisher in accordance with the Coast Guard classification system, and the Coast Guard
approval number, thus: ‘‘Marine Type
USCG Type llll, Size llll, Approval No. 162.028/llll.’’ All such labels are to be obtained from the recognized laboratory and will remain under
its control until attached to product
found acceptable under its listing and
labeling program.
(b) All such labels are to be obtained
only from the recognized laboratory
and will remain under its control until
attached to product found acceptable
under its inspection and labeling program.
[CGFR 60–36, 25 FR 10640, Nov. 5, 1960, as
amended by CGFR 64–19, 29 FR 7360, June 5,
1964]

§ 162.028–5 Independent
Listing.

laboratories:

The following have met the standards
under § 159.101–7 for listing as an independent laboratory to perform or supervise approval or productions inspections or tests of portable fire extinguishers:
(a) For dry chemical, CO2, water and
foam type portable fire extinguishers:

292

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§ 162.028–7

(1) Underwriters Laboratories, Inc.,
mailing address: P.O. Box 247, Northbrook, Illinois 60062.
(2) Underwriters’ Laboratories of
Canada, mailing address: 7 Crouse Rd,
Scarborough, Ontario, MIR 3A9, Canada.
(b) For halon type fire extinguishers:
(1) Underwriters Laboratories, Inc.,
mailing address: P.O. Box 247, Northbrook, Illinois 60062.
(2) Underwriters’ Laboratories of
Canada, mailing address: 7 Crouse Rd,
Scarborough, Ontario, MIR 3A9, Canada.
(3) Factory Mutual Research Corporation, mailing address: 1151 BostonProvidence Turnpike, P.O. Box 688,
Norwood, MA 02062.
[CGD 83–050, 49 FR 7566, Mar. 1, 1984]

§ 162.028–6 Examinations, tests, and inspections.
(a) Full examinations, tests, and inspections to determine the suitability
of a product for listing and labeling,
and to determine conformance of labeled product to the applicable requirements are conducted by the recognized
laboratory. Whenever any work is
being done on components or the assembly of such product, the manufacturer shall notify the recognized laboratory in order that an inspector may
be assigned to the factory to conduct
such examinations, inspections, and
tests as to satisfy himself that the
quality assurance program of the manufacturer is satisfactory, and that the
labeled product is in conformance with
the applicable requirements.
(b) Manufacturers of listed or labeled
marine type portable fire extinguishers
shall maintain quality control of the
materials used, manufacturing methods, and the finished product so as to
meet the applicable requirements, and
shall make sufficient inspections and
tests of representative samples of the
extinguishers and various components
produced to maintain the quality of
the finished product. Records of tests
conducted by the manufacturer shall
be made available to the laboratory inspector or to the merchant marine inspector, or both, for review upon request.
(c) Follow-up check tests, examinations, and inspections of product listed

and labeled as a ‘‘marine type’’ portable fire extinguisher acceptable to the
Commandant as approved for use on
merchant vessels and motorboats may
be conducted by the Coast Guard, as
well as by the recognized laboratory.
(d) The laboratory inspector, or the
Coast Guard marine inspector assigned
by the Commander of the District in
which the factory is located, or both,
shall be admitted to any place in the
factory where work is being done on
listed or labeled product, and either or
both inspectors may take samples of
parts or materials entering into construction, or final assemblies, for further examinations, inspections or
tests. The manufacturer shall provide a
suitable place and the apparatus necessary for the performance of the tests
which are done at the place of manufacture.
§ 162.028–7 Procedure for listing and
labeling.
(a) Manufacturers having a marinetype portable fire extinguisher which
they consider has characteristics suitable for general use on merchant vessels and motorboats may make application for listing and labeling as a marine-type portable fire extinguisher by
addressing a request directly to a recognized laboratory. The laboratory will
inform the submitter as to the requirements for inspection, examinations,
and testing necessary for such listing
and labeling. The request shall include
permission for the laboratory to furnish a complete test report together
with a description of the quality control procedures to the Commandant.
(b) The U.S. Coast Guard will review
the test report and quality control procedures to determine if the requirements in § 162.028–3 have been met. If
this is the case, the Commandant will
notify the laboratory that the extinguisher is approved and that when the
extinguisher is listed and labeled, it
may be marked as being U.S. Coast
Guard approved.
(c) If disagreements concerning procedural, technical, or inspection questions arise over U.S. Coast Guard approval requirements between the manufacturer and the laboratory, the opinion of the Commandant shall be requested by the laboratory.

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46 CFR Ch. I (10–1–98 Edition)

(d) The manufacturer or the laboratory may at any time request clarification or advice from the Commandant
on any question which may arise regarding manufacturing and approval of
approved devices.
[CGD 72–214R, 38 FR 6880, Mar. 14, 1973]

§ 162.028–8 Termination of listing or
labeling.
(a) Listing or labeling as a marine
type portable fire extinguisher acceptable to the Commandant as approved
for use on inspected vessels and motorboats, may be terminated, withdrawn,
cancelled, or suspended by written notice to the recognized laboratory from
the Commandant, or by written notice
to the manufacturer from the recognized laboratory or from the Commandant, under the following conditions:
(1) When the manufacturer does not
desire to retain the service.
(2) When the listed product is no
longer being manufactured.
(3) When the manufacturer’s own program does not provide suitable assurance of the quality of the listed or labeled product being manufactured.
(4) When the product manufactured
no longer conforms to the current applicable requirements.
(5) When service experience or laboratory or U.S. Coast Guard reports indicate a product is unsatisfactory.
(b) [Reserved]
[CGFR 60–36, 25 FR 10640, Nov. 5, 1960, as
amended by CGD 72–214R, 38 FR 6880, Mar. 14,
1973]

Subpart 162.039—Extinguishers,
Fire, Semiportable, Marine Type
SOURCE: CGFR 65–9, 30 FR 11487, Sept. 8,
1965, unless otherwise noted.

§ 162.039–1 Applicable specifications.
(a) There are no other Coast Guard
specifications applicable to this subpart.
(b) [Reserved]
§ 162.039–2 Classification.
(a) Every semiportable fire extinguisher shall be classified as to type
and size as specified in § 76.50–5 (Sub-

chapter H—Passenger Vessels) of this
chapter.
(b) [Reserved]
§ 162.039–3

Requirements.

(a) General. Every semiportable fire
extinguisher shall conform to the requirements for listing and labeling by a
recognized laboratory and shall be of
such design, materials, and construction as to meet the requirements specified in this section.
(b) Design. Every semiportable extinguisher shall be fitted with hose of sufficient length to a nozzle or nozzles to
provide for suitable application of the
extinguishing agent to any part of the
space protected (a length of pipe may
connect the outlet of the supply to the
hose connection); shall weigh more
than 55 pounds when fully charged;
shall be self-contained, i.e., when
charged, it shall not require any additional source of extinguishing agent or
expellent energy for its operation; and
shall provide simple means for immediate operation by a single operator.
The design, materials and construction
shall provide reliability of operation
and performance after non-use for long
periods under conditions encountered
in marine service.
(c) Materials. Materials used for exposed working parts, except those used
for inversion mechanism or similar
purposes, shall be corrosion-resistant
to salt water and spray. Materials used
for other exposed parts shall be either
corrsion-resistant or shall be protected
by a suitable corrosion-resistant coating.
(1) Corrosion-resistant materials. The
materials which are considered to be
corrosion-resistant are copper, brass,
bronze, certain copper-nickel alloys,
certain alloys of aluminum, certain
plastics, and certain stainless steels.
(2) Corrosion-resistant coatings. (i) The
following systems of organic or metallic coatings for exposed nonworking
ferrous parts except for ICC cylinders,
when applied on properly prepared surfaces after all cutting, forming, and
bending operations are completed, are
considered to provide suitable corrosion resistance:

294

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§ 162.039–3

(a) Bonderizing, followed by the application of zinc chromate primer, followed by one or more applications of
enamel; or,
(b) Inorganic zinc coatings; or,
(c) Hot-dipped or electrodeposited
zinc in thicknesses not less than 0.002
inch; or,
(d) Electrodeposited Cadmium in
thicknesses not less than 0.001 inch; or,
(e) Hot-dipped or sprayed aluminum
in thicknesses not less than 0.002 inch;
or,
(f) Copper plus nickel in total
thicknesses not less than 0.003 inch, or
which the nickel is not less than 0.002
inch, plus any thickness of chrome.
(ii) The metallic platings of less than
the thicknesses specified in this paragraph are not acceptable for the protection against corrosion of ferrous
parts.
(3) Decorative platings. Decorative
platings in any thicknesses applied
over corrosion-resistant materials and
corrosion-resistant coatings are acceptable for either working or nonworking parts.
(4) Dissimilar metals. The use of dissimilar metals in combination shall be
avoided wherever possible, but when
such contacts are necessary, provisions
(such as bushings, gaskets, or o-rings)
shall be employed to prevent such deleterious effects as galvanic corrosion,
freezing or buckling of parts, and loosening or tightening of joints due to differences in thermal expansion.
(5) Suitability of materials. In event of
question as to the suitability of the
materials (including coatings) used,
the salt spray test described in paragraph (c)(6) of this section shall be conducted.
(6) Salt spray test. Expose either component parts, subassemblies, or the
complete fully charged specimen extinguisher to a 20 percent sodium-chloride
solution spray at a temperature of 95
°F. (35 °C.) for a period of 240 hours. The
procedures and apparatus described in
Method 811 of Federal Test Method
Standard No. 151 are suitable. Alternate methods may be found satisfactory if the results are comparable. Following the test, allow the specimen extinguisher to air dry for a period of 48
hours. Following the air drying, the
specimen extinguisher shall be capable

of being operated satisfactorily without undue effort or special procedures
on the part of the operator, and it shall
be capable of being recharged satisfactorily in accordance with the directions on the nameplate without the use
of extraordinary tools or procedures.
(d) Gauges. Every pressure gauge used
on a semiportable fire extinguisher
shall have an accuracy of at least 2 percent of the scale range for the middle
half of the scale conforming to ASME
Grade B commercial accuracy. The
gauge when new shall be watertight,
i.e., with the connection capped or
plugged, no water shall penetrate to
the interior of the case during submergence 1 foot below the surface of water
for a period of 2 hours. The gauge shall
be constructed of corrosion-resistant
materials, so that the pointer or face
lettering will not be obliterated by the
action of salt water if some leakage
should occur after rough handling or
extended periods of service. The gage,
when attached to the extinguisher,
shall pass the salt spray and vibration
tests prescribed by paragraphs (c)(6)
and (e) of this section.
(e) Vibration resistance. Either component parts, subassemblies, or the complete, fully charged specimen extinguisher, shall be tested in accordance
with sections 3.1 through 3.1.4.4 of Military Standard MIL–STD–167. Following
this test, there shall be no obvious failures of parts or assemblies, and they
shall be capable of being operated satisfactorily without undue effort or special procedures on the part of the operator, and the extinguisher shall be capable of being recharged satisfactorily
in accordance with the directions on
the name plate without the use of extraordinary tools or procedures.
(f) Carbon dioxide type. Every carbon
dioxide type extinguisher shall be
fitted with a valve which will withstand a minimum bursting pressure of
6,000 p.s.i., and a discharge hose or tube
which will withstand a minimum
bursting pressure of 5,000 p.s.i. The
hose shall be constructed with either a
wire braid or other conducting material for conducting static charges occurring at the discharge nozzle back to
the body of the extinguisher.

295

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46 CFR Ch. I (10–1–98 Edition)

(g) Chemical-foam type. Every chemical foam type semiportable fire extinguisher shall have a nozzle which will
provide operating characteristics such
that when it is held about 3 feet above
the ground at an elevation of approximately 30°, and with the extinguisher
and contents both at approximately 70
°F. and 120 °F., the range of the stream
shall not exceed 40 feet, and the major
portion of the discharge shall fall between 20 and 40 feet, measured horizontally, from the nozzle. The duration
of the effective discharge shall be between 2.5 and 4.0 minutes, effective discharge being considered as occurring
while the major portion of the discharge falls beyond 10 feet, measured
horizontally, from the nozzle.
(h) [Reserved]
(i) Toxic extinguishing agents. Every
semiportable fire extinguisher shall
contain only agents which qualify for
the Underwriters’ Laboratories, Inc.,
toxicity rating of Group 5 or Group 6,
and which in normal fire extinguishing
use do not generate decomposition
products in concentrations hazardous
to life. Acceptance of extinguishing
agents under these requirements will
be determined by the Coast Guard.
(j) Fire tests. Fire tests may be employed in determining the suitability
for ‘‘marine type’’ listing and labeling.
(k)
Additional
tests.
Every
semiportable extinguisher may be additionally examined and tested to establish its reliability and effectiveness in
accordance with the intent of this specification
for
a
‘‘marine
type’’
semiportable fire extinguisher when
considered necessary by the Coast
Guard or by the recognized laboratory.
(l) Additional marking. (1) As part of
the usual nameplate marking, there
shall be included the rated capacity of
the extinguisher in gallons, quarts, or
pounds, and complete instructions for
recharging, including the identification of the recharge materials and of
the pressure containing cylinder or
separate container if one is used.
(2) Pasted-on type paper or decalcomania labels are not acceptable for any
of the required extinguisher marking.
(3) Recharge packages shall be legibly marked with the name of the recharge and the capacity of contents in
gallons, quarts, or pounds in addition

to the usual recharge package marking. Recharge pressure containing cylinders shall, in addition to the usual
marking, also be plainly marked to
show the distinctive identifying designation of the cylinder.
(m) Securing means. Every semi-portable fire extinguisher shall be supplied
with a suitable means for holding the
extinguisher securely in its stowage location on vessels or boats. The materials shall be sufficiently corrosion-resistant or protected against corrosion
to withstand the test prescribed by
paragraph (c)(6) of this section without
showing more than traces of slight corrosion, which may be easily wiped off
after rinsing with tapwater.
[CGFR 65–9, 30 FR 11487, Sept. 8, 1965, as
amended by CGFR 65–64, 31 FR 563, Jan. 18,
1966; CGD 73–73R, 38 FR 27354, Oct. 3, 1973;
CGD 77–039, 44 FR 34133, June 14, 1979]

§ 162.039–4 Marine type label.
(a) In addition to all other marking,
every semiportable extinguisher shall
bear a label containing the ‘‘marine
type’’ listing manifest issued by a recognized laboratory. This label will include the classification of the extinguisher in accordance with the Coast
Guard classification system, and the
Coast Guard approval number, thus:
‘‘Marine Type USCG Type ll, Size
ll,
Approval No. 162.039/Exl.’’ All
such labels are to be obtained from the
recognized laboratory and will remain
under its control until attached to
product found acceptable under its listing and labeling program.
(b) [Reserved]
§ 162.039–5 Recognized laboratory.
(a) A recognized laboratory is one
which is regularly engaged in the examination, testing, and evaluation of
semi-portable fire extinguishers; which
has an established factory inspection,
listing, and labeling program; and
which has special standards for listing
and labeling as a ‘‘marine type’’
semiportable fire extinguisher acceptable to the Commandant as approved
for use on merchant vessels and motorboats. The following laboratories are
recognized, and the semiportable fire
extinguishers bearing their ‘‘marine
type’’ labels are approved for use on
merchant vessels and motorboats:

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§ 162.039–8

(1) Underwriters’ Laboratories, Inc.,
mailing address: Post Office Box 247,
Northbrook, Ill., 60062.
(2) [Reserved]
(b) [Reserved]
§ 162.039–6 Examinations, tests, and inspections.
(a) Full examinations, tests, and inspections to determine the suitability
of a product for listing and labeling,
and to determine conformance of labeled product to the applicable requirements are conducted by the recognized
laboratory. Whenever any work is
being done on components or the assembly of such product, the manufacturer shall notify the recognized laboratory in order that an inspector may
be assigned to the factory to conduct
such examinations, inspections, and
tests as to satisfy himself that the
quality assurance program of the manufacturer is satisfactory, and that the
labeled product is in conformance with
the applicable requirements.
(b) Manufacturers of listed or labeled
marine type semiportable fire extinguishers shall maintain quality control
of the materials used, manufacturing
methods, and the finished product so as
to meet the applicable requirements,
and shall make sufficient inspections
and tests of representative samples of
the extinguishers and various components produced to maintain the quality
of the finished product. Records of
tests conducted by the manufacturer
shall be made available to the laboratory inspector or to the Coast Guard
marine inspector, or both, for review
upon request.
(c) Followup check tests, examinations, and inspections of product listed
and labeled as a ‘‘marine type’’
semiportable fire extinguisher acceptable to the Commandant as approved
for use on merchant vessels and motorboats may be conducted by the Coast
Guard, as well as by the recognized laboratory.
(d) The laboratory inspector, or the
Coast Guard merchant marine inspector assigned by the Commander of the
District in which the factory is located, or both, shall be admitted to any
place in the factory where work is
being done on listed or labeled product,
and either or both inspectors may take

samples of parts or materials entering
into construction, of final assemblies,
for further examinations, inspections,
or tests. The manufacturer shall provide a suitable place and the apparatus
necessary for the performance of the
tests which are done at the place of
manufacture.
§ 162.039–7 Procedure for listing and
labeling.
(a) Manufacturers having models of
extinguishers which they believe are
suitable for marine service may make
application for listing and labeling of
such product as a ‘‘marine type’’
semiportable fire extinguisher which
will be acceptable to the Commandant
as approved for use on merchant vessels, by addressing a request directly to
a recognized laboratory. The laboratory will inform the submitter as to
the requirements for inspections, examinations, and testing necessary for
such listing and labeling. All costs in
connection with the examinations,
tests, and inspections, listings and
labelings are payable by the manufacturer.
(b) [Reserved]
§ 162.039–8 Termination of listing or
labeling.
(a) Listing or labeling as a marine
type semiportable fire extinguisher acceptable to the Commandant as approved for use on inspected vessels or
motorboats may be terminated, withdrawn, canceled, or suspended by written notice to the recognized laboratory
from the Commandant, or by written
notice to the manufacturer from the
recognized laboratory or from the Commandant under the following conditions:
(1) When the manufacturer does not
desire to retain the service.
(2) When the listed product is no
longer being manufactured.
(3) When the manufacturer’s own program does not provide suitable assurance of the quality of the listed or labeled product being manufactured.
(4) When the product manufactured
no longer conforms to the current applicable requirements.
(b) [Reserved]

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46 CFR Ch. I (10–1–98 Edition)

Subpart 162.050—Pollution
Prevention Equipment
SOURCE: 44 FR 53359, Sept. 13, 1979, unless
otherwise noted.

and 162.050–25(c), or to conduct the test
described in § 162.050–37(a); and
(2) Is not owned or controlled by a
manufacturer, supplier, or vendor of
separators, monitors, or bilge alarms.
§ 162.050–4 Documents
by reference.

§ 162.050–1 Scope.
(a) This subpart contains—
(1) Procedures for approval of 100
p.p.m. separators, 15 p.p.m. separators,
cargo monitors, bilge monitors, and
bilge alarms;
(2) Design specifications for this
equipment;
(3) Tests required for approval;
(4) Procedures for obtaining designation as a facility authorized to conduct
approval tests;
(5) Marking requirements; and
(6) Factory inspection procedures.
(b) [Reserved]
§ 162.050–3 Definitions.
(a) p.p.m. means parts per million by
volume of oil in water;
(b) 100 p.p.m. separator means a separator that is designed to remove
enough oil from an oil-water mixture
to provide a resulting mixture that has
an oil concentration of 100 p.p.m. or
less;
(c) 15 p.p.m. separator means a separator that is designed to remove
enough oil from an oil-water mixture
to provide a resulting mixture that has
an oil concentration of 15 p.p.m. or
less;
(d) Cargo monitor means an instrument that is designed to measure and
record the oil content of cargo residues
from cargo tanks and oily mixtures
combined with these residues;
(e) Bilge monitor means an instrument
that is designed to measure and record
the oil content of oily mixtures from
machinery space bilges and fuel oil
tanks that carry ballast;
(f) Bilge alarm means an instrument
that is designed to measure the oil content of oily mixtures from machinery
space bilges and fuel oil tanks that
carry ballast and activate an alarm at
a set concentration limit; and
(g) Independent laboratory means a
laboratory that—
(1) Has the equipment and procedures
necessary to approve the electrical
components described in §§ 162.050–21(b)

incorporated

(a) The following documents are incorporated by reference into this subpart:
(1) Underwriters Laboratories Standard 913 (as revised April 8, 1976).
(2) ‘‘Experimental Statistics’’, National Bureau of Standards Handbook
No. 91 (October 1966).
(3) ‘‘Standard Practice for Determination of Precision and Bias of
Methods of Committee D–19 on Water,
D–2777–77’’, American Society for Testing and Materials.
(b) The documents listed in this section may be obtained as follows:
(1) The UL standard may be obtained
from Underwriters Laboratories, Inc.,
Publications Stock, 333 Pfingsten
Road, Northbrook, Illinois 60062.
(2) The ASTM standard may be obtained from the American Society for
Testing and Materials, 1916 Race
Street, Philadelphia, Pa. 19103.
(3) The NBS handbook may be obtained from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.
(c) The documents listed in this section are also on file in the Federal Register library.
(d) Approval to incorporate by reference the materials listed in this section was obtained from the Director of
the Federal Register on August 21, 1979.
§ 162.050–5

Contents of application.

(a) An application for approval of a 15
p.p.m. or 100 p.p.m. separator, a cargo
or bilge monitor, or a bilge alarm must
contain the following information:
(1) A brief description of the item
submitted for approval.
(2) The name and address of the applicant and its manufacturing facility.
(3) A detailed description of quality
control procedures, in-process and final
inspections and tests followed in manufacturing the item, and construction
and sales record keeping systems maintained.

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§ 162.050–7

(4) Arrangement drawings and piping
diagrams of the item that give the information prescribed by § 56.01–10(d) of
this chapter.
(5) Detailed electrical plans of the
type described in § 111.05–5(d) of this
chapter.
(6) An instructions manual containing detailed instructions on installation, operation, calibration and zeroing, and maintenance of the item.
(7) For each monitor and bilge alarm
and each control on a separator, the vibration test report described in
§ 162.050–37.
(8) For each cargo monitor, a statement of whether it is to be used with
crude oils, refined products, or both.
(9) A list of the substances used in
operating the item that require certification under part 147 of this chapter as
articles of ships’ stores and supplies.
(10) The name of the facility to conduct approval testing.
(11) If the applicant intends to use a
test rig other than a test rig of the facility, a detailed description of the rig.
(b) An applicant may incorporate by
reference in his application information that he has submitted in a previous application.
§ 162.050–7 Approval procedures.
(a) An application for approval of
equipment under this subpart must be
sent to the Commandant (G–MSE), U.S.
Coast Guard, Washington, DC 20593–
0001.
(b) The application is examined by
the Coast Guard to determine whether
the item complies with the design requirements and vibration standard prescribed in this subpart and to determine what probability the item has of
passing the approval tests. The applicant is notified of the results of the examination.
(c) If examination of the application
reveals that it is incomplete, it is returned to the applicant with a statement of reasons why it is incomplete.
(d) The applicant must make arrangements for approval testing directly with a testing facility and must
provide the facility with a copy of the
instructions manual for the equipment
to be tested.
(e) If applications for approval of a
separator have been made for more

than one size, the applicant, in lieu of
submitting each size for approval testing, may submit each size that has a
capacity exceeding fifty (50) cubic meters per hour throughput, if any, and
two additional sizes that have a capacity of fifty (50) cubic meters per hour
throughput or less. One of the additional sizes must have a capacity that
is in the highest quartile of capacities
manufactured in the 0–50 cubic meters
per hour throughput range and the
other must be from the lowest quartile.
(f) Each approval test must be performed by a facility designated under
§ 162.050–15. The facility must perform
each test in accordance with the test
conditions prescribed in this subpart
for the test, prepare a test report for
the item if it completes all of the tests,
and send the report with four copies to
the Commandant (G–MSE). The applicant may observe the tests. (If an item
does not complete testing, a new application must be made before retesting.)
(g) The Commandant (G–MSE), sends
a copy of the test report to the applicant and advises him whether the item
is approved. If the item is approved, an
approval certificate is sent to the applicant. The approval certificate lists
conditions of approval applicable to
the item.
(h) A separator is approved under
this subpart if—
(1) It meets the design requirements
in § 162.050–21 and is tested in accordance with this subpart;
(2) In the case of a 100 p.p.m. separator, the oil content of each sample of
separated water effluent taken during
approval testing is 100 p.p.m. or less;
(3) In the case of a 15 p.p.m. separator, the oil content of each sample of
separated water effluent taken during
approval testing is 15 p.p.m. or less;
(4) During Test No. 3S an oily mixture is not observed at the separated
water outlet of the separator;
(5) During Test No. 5S its operation
is continuous; and
(6) Any substance used in operating
the separator that requires certification under part 147 of this chapter as
an article of ships’ stores or supplies
has been certified.
(i) A cargo monitor is approved under
this subpart if—

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46 CFR Ch. I (10–1–98 Edition)

(1) It meets the design requirements
in § 162.050–25 and is tested in accordance with this subpart;
(2) Each oil content reading recorded
during approval testing is within ±10
p.p.m. or ±20 percent of the oil content
of the sample of influent mixture taken
at the time of the reading;
(3) Its response time is twenty (20)
seconds or less in Test No. 3CM;
(4) The time intervals between successive readings recorded in Test No.
4CM are twenty (20) seconds or less;
and
(5) Any substance used in operating
the monitor that requires certification
under part 147 of this chapter as an article of ships’ stores or supplies has
been certified.
(j) A bilge monitor is approved under
this subpart if—
(1) It meets the design requirements
in § 162.050–29 and is tested in accordance with this subpart;
(2) Except as provided in paragraph
(j)(5) of this section, each oil content
reading recorded during approval testing is within ±10 p.p.m. or ±20 percent
of the oil content of the sample of influent mixture taken at the time of the
reading;
(3) The time intervals between successive readings recorded in Test No.
3BM are twenty (20) seconds or less;
(4) The time intervals between successive readings recorded in Test No.
4BM are twenty (20) seconds or less;
(5) The oil content of the sample
taken each time the device required by
§ 162.050–29(c)(1) actuates is 15 p.p.m. ±5
p.p.m.;
(6) The oil content of the sample
taken each time the device required by
§ 162.050–29(c)(2) actuates is 100 p.p.m.
±20 p.p.m.; and
(7) Any substance used in operating
the monitor that requires certification
under part 147 of this chapter as an article of ships’ stores or supplies has
been certified.
(k) A bilge alarm is approved under
this subpart if—
(1) It meets the design requirements
in § 162.050–33 and is tested in accordance with this subpart;
(2) The oil content of each sample
taken during approval testing is 15
p.p.m. ±5 p.p.m.;

(3) Its response time is twenty seconds or less in Test No. 2A; and
(4) Any substance used in operating
the alarm that requires certification
under part 147 of this chapter as an article of ships’ stores or supplies has
been certified.
[44 FR 53359, Sept. 13, 1979, as amended by
CGD 82–063b, 48 FR 4783, Feb. 3, 1983; 48 FR
45114, Oct. 3, 1983; CGD 88–070, 53 FR 34537,
Sept. 7, 1988; CGD 95–072, 60 FR 50467, Sept.
29, 1995; CGD 96–041, 61 FR 50734, Sept. 27,
1996]

§ 162.050–9

Test report.

(a) A report of approval testing must
contain the following:
(1) Name of the testing facility.
(2) Name of the applicant.
(3) Date of receiving the item for
testing and the dates of the tests conducted.
(4) Trade name and brief description
of the item.
(5) A listing of the following properties of the test oils used:
(i) Relative density at 15 °C.
(ii) Viscosity in centistokes at 37.8
°C.
(iii) Flashpoint.
(iv) Weight of ash content.
(v) Weight of water content.
(vi) Relative density at 15 °C. the of
water used during testing and the
weight of solid content in the water.
(vii) The data recorded during each
test.
(b) [Reserved]
§ 162.050–11

Marking.

(a) Each separator, monitor, and
bilge alarm manufactured under Coast
Guard approval must be plainly
marked by the manufacturer with the
information listed in paragraph (b) of
this section. The marking must be securely fastened to the item.
(b) Each marking must include the
following information:
(1) Name of the manufacturer.
(2) Name or model number of the
item.
(3) If the item is a separator, the
maximum throughput and the maximum influent pressure at which the
separator is designed to operate.
(4) The month and year of completion
of manufacture.

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§ 162.050–15

(5) The manufacturer’s serial number
for the item.
(6) The Coast Guard approval number
assigned to the item in the certificate
of approval.
(7) A list of bilge cleaners, solvents,
and other chemical compounds that do
not impair operation of the item.
(8) If the item is a cargo monitor, the
oils for which use has been approved.
(9) If the item is a separator that
uses replaceable filter or coalescer elements, the part numbers of the elements.
§ 162.050–13 Factory
inspection.

production

and

(a) Equipment manufactured under
Coast Guard approval must be of the
type described in the current certificate of approval issued for the equipment.
(b) Equipment manufactured under
Coast Guard approval is not inspected
on a regular schedule at the place of
manufacture.
However,
the
Commandant may detail Coast Guard personnel at any time to visit a factory
where the equipment is manufactured
to conduct an inspection of the manufacturing process.
§ 162.050–14 Sample
preservation.

collection

and

(a) Each sample obtained in approval
testing must be approximately one (1)
liter in volume and must be collected
in a narrow-necked glass bottle that
has a pressure sealing cap. The cap
must be lined with a material that will
not affect the oil content of the sample.
(b) Each sample must be preserved by
the addition of 5 ml. of hydrochloric
acid at the time of collection. The hydrochloric acid must consist of equal
amounts of concentrated reagent grade
hydrochloric acid and distilled water.
(c) Each sample must be refrigerated
at or below 4 °C. until analyzed. However, refrigeration is not necessary if
there is no time delay between sample
collection and analysis.
§ 162.050–15 Designation of facilities.
(a) Each request for designation as a
facility authorized to perform approval
tests must be submitted to the Com-

mandant (G–MSE), U.S. Coast Guard,
Washington, DC 20593–0001.
(b) Each request must include the following:
(1) Name and address of the facility.
(2) Each type of equipment the facility proposes to test.
(3) A description of the facility’s capability to perform approval tests including detailed information on the
following:
(i) Management organization including personnel qualifications.
(ii) Equipment available for conducting sample analysis.
(iii) Materials available for approval
testing.
(iv) Each of the facility’s test rigs, if
any.
(c) The Coast Guard reviews each request submitted to determine whether
the facility meets the requirements of
paragraphs (g)(1) through (g)(4) of this
section.
(d) If the facility meets the requirements in paragraphs (g)(1) through
(g)(4) of this section, it is then supplied
with twelve samples containing mixtures of oil in water that are within a
10 to 30 p.p.m. range.
(e) The facility must measure the oil
content of each sample using the method described in § 162.050–39 and report
the value of each of the 12 measurements to the Commandant (G–MSE),
U.S. Coast Guard, Washington, DC
20593.
(f) The measurements must meet the
following criteria:
(1) Except as provided in paragraph
(f)(2) of this section, the absolute value
of Tn for each measurement, as determined by the method described in paragraph 10.3.2 of the American Society
for Testing and Materials, ‘‘Standard
Practice for Determination of Precision and Bias of Methods of Committee
D–19 on Water’’, D–2777–77, must be less
than or equal to 2.29 at a confidence
level of 0.05.
(2) The absolute value of Tn for one
measurement may exceed 2.29 if the Tn
values for the other eleven measurements are less than or equal to 2.23 at
a confidence level of 0.05. If the Tn
value for one measurement exceeds
2.29, that measurement is not used in
the method described in paragraph
(f)(3) of this section.

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46 CFR Ch. I (10–1–98 Edition)

˘ ≤ for the 12 meas(3) The value of X
urements described in paragraph (e) of
this section, or for 11 measurements if
paragraph (f)(2) of this section applies,
˘ ≤d +1
must be within the range of ¥1 X
at a minimum confidence level of 0.01
˘ ≤d is determined by the method
when X
described in paragraph 3–3.1.4 of ‘‘Experimental Statistics’’, National Bureau of Standards Handbook No. 91 (October 1966).
(g) To obtain authorization to conduct approval tests—
(1) A facility must have the management organization, equipment for conducting sample analysis, and the materials necessary to perform the tests;
(2) Each facility test rig must be of a
type described in § 162.050–17 or § 162.050–
19;
(3) The loss or award of a specific
contract to test equipment must not be
a substantial factor in the facility’s financial well being;
(4) The facility must be free of influence and control of the manufacturers,
suppliers, and vendors of the equipment; and
(5) The oil content measurements
submitted to the Commandant must
meet the criteria in paragraph (f) of
this section.
(h) A facility may not subcontract
for approval testing unless previously
authorized by the Coast Guard. A request for authorization to subcontract
must be sent to the Commandant (G–
MSE), U.S. Coast Guard, Washington,
DC 20593–0001.
[44 FR 53359, Sept. 13, 1979, as amended by
CGD 82–063b, 48 FR 45114, Oct. 3, 1983; CGD 88–
070, 53 FR 34537, Sept. 7, 1988; CGD 95–072, 60
FR 50467, Sept. 29, 1995; CGD 96–041, 61 FR
50734, Sept. 27, 1996]

§ 162.050–17 Separator test rig.
(a) This section contains requirements for test rigs used in approval
testing of separators. A diagram of a
typical test rig is shown in Figure
162.050–17(a).
(b) Each mixture pump on a test rig
must—

(1) Be a centrifugal pump capable of
operating at one thousand (1,000) revolutions per minute or more;
(2) Have a delivery capacity of at
least one and one half (1.5) times the
maximum throughput at which the
separator being tested is designed to
operate;
(3) Have a maximum delivery pressure that is equal to or greater than
the maximum influent pressure at
which the separator is designed to operate; and
(4) Have either bypass piping to its
suction side or a throttle valve or orifice on its discharge side.
(c) The inlet piping of the test rig
must be sized so that—
(1) Influent water flows at a Reynolds
Number of at least ten thousand;
(2) The influent flow rate is between
one and three meters per second; and
(3) Its length is at least twenty (20)
times its inside diameter.
(d) Each sample point on a test rig
must meet the design requirements described in Figure 162.050–17(e) and must
be in a vertical portion of the test rig
piping.
§ 162.050–19 Monitor and bilge alarm
test rig.
(a) This section contains requirements for test rigs used in approval
testing of monitors and bilge alarms. A
typical test rig is described in Figure
162.050–19. The mixture pipe shown in
Figure 162.050–19 is the portion of test
rig piping between the oil injection
point and the monitor or bilge alarm
piping.
(b) Each sample point on a test rig
must be of the type described in Figure
162.050–17(e) and must be in a vertical
portion of the test rig piping.
(c) Each test rig must have a centrifugal pump that is designed to operate at one thousand (1,000) revolutions
per minute or more.
(d) The mixture pipe on a test rig
must have a uniform inside diameter.

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46 CFR Ch. I (10–1–98 Edition)

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§ 162.050–21

§ 162.050–21 Separator: Design specification.
(a) A separator must be designed to
operate in each plane that forms an
angle of 22.5° with the plane of its normal operating position.
(b) The electrical components of a
separator that are to be installed in an
explosive atmosphere must be approved
by an independent laboratory as com-

ponents that Underwriters Laboratories Standard 913 (dated April 8, 1976)
defines as intrinsically safe for use in a
Class I, Group D hazardous location.
(c) Each separator component that is
a moving part must be designed so that
its movement during operation of the
separator does not cause formation of
static electricity.

305

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46 CFR Ch. I (10–1–98 Edition)

(d) Each separator must be designed
in accordance with the applicable requirements in subchapters F and J of
this chapter.
(e) Each separator must be designed
to be operated both automatically and
manually. Each separator to be installed in an unattended machinery
space must be capable of operating
automatically for at least twenty-four
(24) hours.
(f) Each separator must be designed
so that adjustments to valves or other
equipment are not necessary to start
it.
(g) Each part of a separator that is
susceptible to wear and tear must be
readily accessible for maintenance in
its installed position.
(h) A separator must be designed so
that it does not rely in whole or in part
on dilution of influent mixtures as a
means of performing its function.
§ 162.050–23 Separator: Approval tests.
(a) Test Conditions. (1) Each test described in this section must be performed at a throughput and influent
pressure equal to the maximum
throughput and pressure at which the
separator being tested is designed to
operate. The tests and each of the steps
in the tests must be carried out in the
order described in this section. Each
test must be performed without time
delay between steps in the test.
(2) Except as provided in Test No. 6S,
the influent oil used in each test must
be a heavy fuel oil that has a relative
density of approximately 0.94 at 15 °C
and a viscosity of at least 220
centistokes (approximately 900 seconds
Redwood No. 1) at 37.8 °C.
(3) A test rig of the type described in
§ 162.050–17 must be used in performing
each test.
(4) If a separator has a supply pump,
it must be tested using that pump. If a
separator does not have a supply pump,
it must be tested using the mixture
pump on the test rig.
(5) The influent water used in each
test must be clean fresh water or clean
fresh water in solution with sodium
chloride. The water or solution must
have a relative density at 15 °C that is
equal to or less than 0.085 plus the relative density of the heavy fuel oil used
in the tests.

(6) Each test must be conducted at an
ambient temperature of between 10 °C
and 30 °C.
(7) The oil content of each sample
must be measured using the method described in § 162.050–39.
(8) Influent oil content must be determined during testing by measuring
the flow rates of the oil and water that
are mixed to form the influent or by
use of an oil content meter on the inlet
piping of the test rig. If an oil content
meter is used, a sample of influent and
a meter reading must be taken at the
beginning of each test. If the meter
reading is not within ±10 percent of the
oil content of the sample, the meter
readings subsequently taken during the
test are unacceptable test results.
(9) When collecting a sample at a
sample point that has a stop cock, the
first minute of fluid flow through the
stop cock must not be included in the
sample collected.
(10) In each test, the separator must
be operated in accordance with the procedures described in its instruction
manual.
(11) No maintenance, including replacement of parts, may be performed
on a separator during or between the
tests described in this section.
(12) A one (1) liter sample of each oil
to be used in testing must be taken and
provided for use in the sample analysis
required by § 162.050–39 .
(13) The separator may not be operated manually in Test No. 5S.
(b) Test No. 1S. The separator is filled
with water and started. It is fed with
oil for at least five (5) minutes and
then with an oil-water influent containing an oil content of between 5,000
and 10,000 p.p.m. until a steady flow
rate occurs. After the flow rate is
steady, the influent is fed to the separator for thirty (30) minutes. Samples
of separated water effluent are taken
after the first ten (10) and twenty (20)
minutes. At the end of the thirty (30)
minute period, the air cock on the test
rig is opened and, if necessary, the oil
and water supply valves are closed to
stop the flow of influent. A sample is
then taken of the separated water effluent as the effluent flow ceases.

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§ 162.050–27

(c) Test No. 2S. Test No. 1S is repeated
using an influent containing approximately 25 percent oil and 75 percent
water.
(d) Test No. 3S. The separator is fed
with oil until oil is discharged at the
oil discharge outlet of the separator at
essentially the same rate that oil is
being fed to the separator. The separator is then fed with oil for five (5) additional minutes. If any oily mixture is
discharged from the separated water
outlet on the separator during the test,
that observation is recorded.
(e) Test No. 4S. The separator is fed
with water for fifteen (15) minutes.
Samples of the separated water effluent are taken at the beginning of the
test and after the first ten (10) minutes.
(f) Test No. 5S. The separator is operated automatically for three (3) hours.
During the test, the separator is continuously fed with an influent varying
from water to a mixture of 25 percent
oil in water and back to water every
fifteen (15) minutes. The oil concentration in the influent is varied in at least
five (5) equal increments during each
fifteen (15) minute period and the time
intervals between the incremental
changes are equal. During the last
hour, the separator must be inclined at
an angle of 22.5° with the plane of its
normal operating position. During the
last time increment in which the unit
is fed a 25 percent oil mixture, a sample
of the separated water effluent is
taken. If the separator stops at any
time during this test, that observation
is recorded.
(g) Test No. 6S. Tests No. 1S and No.
2S are repeated using, in lieu of a
heavy fuel oil in the influent, a light
distillate fuel oil having a relative density of approximately 0.83 at 15 °C.
§ 162.050–25 Cargo
specification.

monitor:

Design

(a) This section contains requirements that apply to cargo monitors.
(b) Each monitor must be designed so
that it is calibrated by a means that
does not involve manually mixing a
known quantity of oil and a known
quantity of water to form a mixture
and manually feeding the mixture into
the monitor.

(c) The electrical components of a
monitor that are to be installed in an
explosive atmosphere must be approved
by an independent laboratory as components that Underwriters Laboratories Standard 913 (dated April 8, 1976)
defines as intrinsically safe for use in a
Class I, Group D hazardous location.
(d) Each monitor component that is a
moving part must be designed so that
its movement during operation of the
monitor does not cause formation of
static electricity.
(e) A monitor must be designed to operate in each plane that forms an angle
of 22.5° with the plane of its normal operating position.
(f) Each monitor must be designed in
accordance with the applicable requirements contained in subchapters F and
J of this chapter.
(g) Each monitor must be designed so
that it records each change in oil content of the mixture it is measuring
within twenty (20) seconds after the
change occurs.
(h) Each monitor must have a device
that produces a warning signal and a
signal that can be used to actuate
valves in a vessel’s fixed piping system,
when—
(1) The oil content of the mixture
being measured exceeds the concentration limit set by the operator of the
monitor; and
(2) Malfunction, breakdown, or other
failure of the monitor occurs.
(i) Each monitor must have a means
to determine whether it is accurately
calibrated.
[44 FR 53359, Sept. 13. 1079, as amended by
CGD 76–088c, 48 FR 45727, Oct. 6, 1983]

§ 162.050–27 Cargo monitor: Approval
tests.
(a) This section contains requirements that apply to cargo monitors.
(b) Test conditions. (1) The tests and
each step in the tests must be carried
out in the order described in this section. Each test must be performed
without time delay between steps in
the test.
(2) A test rig of the type described in
§ 162.050–19 must be used in performing
each test.
(3) Each mixture used during the
tests must be prepared by combining
oil supplied from the oil injection pipe

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46 CFR Ch. I (10–1–98 Edition)

of the test rig and water supplied from
the mixture tank of the test rig. However, if the flow of oil through the oil
injection pipe becomes intermittent,
oil and water may be combined in the
mixture tank to form the mixture.
(4) A mixture may be circulated
through a monitor only once during
testing.
(5) Unless otherwise provided in a
specific test, the water used in each
test must be clean, fresh water.
(6) The oil used in each test, except
Test No. 2CM, must be Arabian light
crude oil.
(7) Each test must be performed at an
ambient temperature of between 10 °C
and 30 °C.
(8) Unless otherwise provided in a
specific test, each test must be performed at the maximum mixture pressure, the maximum flow rate, and the
power supply ratings at which the
monitor is designed to operate.
(9) The particulate contaminant described in Table 162.050–27(g) must be of
a type that does not lose more than
three (3) percent of its weight after ignition and must be insoluble in a 500
p.p.m. mixture.
(10) In each test the monitor must be
operated in accordance with the procedures described in its instructions
manual.
(11) Unless otherwise provided in a
specific test, the centrifugal pump
shown in Figure 162.050–19 must be operated at one thousand (1,000) revolutions per minute or more in each test.
(12) Whenever the oil content of a
mixture is recorded, a sample of the
mixture must also be taken. The oil
content of the sample must be measured using the method described in
§ 162.050–39.
(13) A one (1) liter sample of each oil
to be used in testing must be taken and
provided for use in the sample analysis
required by § 162.050–39.
(c) Test No. 1CM. The cargo monitor
is calibrated and zeroed. It is then fed
with water for 15 minutes and then
with mixtures in the following concentrations: 15 p.p.m., 50 p.p.m., 100
p.p.m., and each additional concentration, in increments of 50 p.p.m. up to
the highest oil concentration that can
be read on the monitor. Each mixture
is fed to the monitor in the order listed

for fifteen (15) minutes. Water is fed to
the monitor for a (15) minute period between each mixture. At the end of each
(15) minute period, an oil content reading is obtained and recorded.
(d) Test No. 2CM. (1) If the cargo monitor is designed for use with crude oils,
it is fed with a mixture of water and
the first oil listed in Table 162.050–27(d)
at the following concentrations: 15
p.p.m., 100 p.p.m., and a concentration
that is ninety (90) percent of the highest oil concentration in water that can
be read on the monitor. Each concentration is fed to the monitor in the
order listed until a steady reading occurs and is recorded. After each steady
reading is recorded, the monitor is fed
with water for fifteen (15) minutes. At
the end of each fifteen (15) minute period of feeding the monitor with water,
an oil content reading is again obtained and recorded.
(2) The steps described in paragraph
(d)(1) of this section are repeating
using each of the other oils listed in
Table 162.050–27(d).
TABLE 162.050–27(D)—OIL TYPE AND
CHARACTERISTICS
Oil type

Characteristics

1. Sahara blend crude oil ....

Density—low.
Viscosity—low.
Pour point—very low.
Producing country—Algeria.
General description—mixed
base.
Density—medium.
Viscosity—medium.
Pour point—low.
Producing country—Saudi Arabia.
General description—mixed
base.
Density—high.
Viscosity—medium.
Pour point—low.
Producing country—Nigeria.
General description—naphthenic base.
Density—very high.
Viscosity—very high.
Pour point—low.
Producing country—Venezuela.
General description—asphaltic
base.
Density—medium.
Viscosity—high.
Pour point—very high.
Producing country—Indonesia.
General description—paraffinic
base.
Bunker C or No. 6 Fuel Oil.

2. Arabian light crude oil .....

3. Nigerian medium crude
oil.

4. Bachaquero 17 crude oil

5. Minas crude oil ................

6. Residual fuel oil ...............

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§ 162.050–27

(3) If any oil listed in Table 162.050–
27(d) is unavailable, an oil with similar
properties may be substituted in testing.
(4) If the monitor is to be used with
refined oil products, the steps described
in paragraph (d)(1) of this section are
performed using each of the following:
(i) Leaded regular grade automotive
gasoline.
(ii) Unleaded automotive gasoline.
(iii) Kerosene.
(iv) Light diesel or No. 2 fuel oil.
(e) Test No. 3CM. (1) The cargo monitor is fed with water, zeroed, and then
fed with a 100 p.p.m. mixture. The time
at which the monitor first detects oil
in the mixture, the times of reading 63
p.p.m. and 90 p.p.m., and the time of
reaching the highest steady reading of
oil content are recorded. The oil content of the mixture at the highest
steady reading is also recorded.
(2) The metering pump is turned off
and the time at which the highest reading starts to decrease, the times of
reading 37 p.p.m. and 10 p.p.m., and the
time of returning to the lowest steady
oil content reading are recorded. The
oil content of the mixture at the lowest steady reading is also recorded.
(3) The time interval between first
detecting oil in the mixture and reading 63 p.p.m., and the time interval between the first decrease in the highest
reading and reading 37 p.p.m., are averaged and recorded as the response time
for the monitor.
(f) Test No. 4CM. (1) The cargo monitor is fed with water, zeroed, and then
fed with a mixture containing ten (10)
percent oil for one (1) minute. The following times occurring during this procedure are recorded:
(i) Time at which the monitor first
detects oil.
(ii) Time of reading 100 p.p.m.
(iii) Time of exceeding the highest oil
concentration that can be read on the
monitor.
(iv) Time of returning to the highest
oil concentration that can be read on
the monitor.
(v) Time of returning to a reading of
100 p.p.m.
(vi) Time of returning to the lowest
steady oil content reading.
(2) The oil content of the mixture at
the lowest steady reading described in

paragraph (f)(1)(vi) of this section is recorded.
(3) The monitor is fed with water, zeroed, and then fed with oil for one (1)
minute after which the flow of water is
resumed. The times described in paragraph (f)(1) of this section are recorded.
(4) The monitor is fed with a 100
p.p.m. mixutre until a steady oil content reading is obtained and recorded.
(g) Test No. 5CM. (1) The cargo monitor is fed with a 500 p.p.m. mixture
until a steady reading is obtained and
recorded.
(2) The monitor is fed with a 500
p.p.m. mixture to which enough sodium
chloride has been added to provide a
concentration of 60,000 parts per million of sodium chloride in water. The
oil content reading, when steady, is recorded.
(3) The monitor is fed with a 500
p.p.m. mixture to which enough of the
contaminant described in Table 162.050–
27(g) has been added to provide a concentration of 100 parts per million of
particulate contaminant in water. The
oil content reading, when steady, is recorded.
TABLE
LATE

162.050–27(G)—INSOLUBLE PARTICUCONTAMINANT; PHYSICAL DESCRIPTION

Particle sizes, microns: Percentage 1
0–5 ..............................................................
5–10 ............................................................
10–20 ..........................................................
20–40 ..........................................................
40–80 ..........................................................
1 By

39±2
18±3
16±3
18±3
9±3

weight of particle size in contaminant.

(h) Test No. 6CM. (1) The cargo monitor is fed with a 100 p.p.m. mixture
until a steady oil content reading is obtained and recorded.
(2) The monitor is fed with a 100
p.p.m. mixture that has first passed
through the centrifugal pump of the
test rig. The pump is run at one fourth
(1⁄4) of its design speed. The oil content
reading, when steady, is recorded.
(3) The steps described in paragraph
(h)(2) of this section are repeated with
the pump running at one-half (1⁄2) of its
design speed and then repeated at its
design speed.
(i) Test No. 7CM. (1) The steps described in paragraph (h)(1) of this section are repeated.

309

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46 CFR Ch. I (10–1–98 Edition)

(2) The temperature of the mixture is
adjusted to 10 °C and the flow continued until a steady oil content reading
is obtained and recorded.
(3) The steps described in paragraph
(i)(2) of this section are repeated with
the temperature of the mixture at 65 °C
or the highest mixture temperature at
which the cargo monitor is designed to
operate, whichever is lower.
(j) Test No. 8CM. (1) The steps described in paragraph (h)(1) of this section are repeated.
(2) If the monitor has a positive displacement mixture pump, the mixture
pressure is lowered to one half of the
monitor’s maximum design pressure. If
the monitor has a centrifugal mixture
pump, or is not equipped with a mixture pump, the mixture flow rate is reduced to one-half of the monitor’s design flow rate. The reduced flow rate or
mixture pressure is maintained until a
steady oil content reading is obtained
and recorded.
(3) If the monitor has a positive displacement mixture pump, the mixture
pressure is increased to twice the monitor’s design pressure. If the monitor
has a centrifugal mixture pump or does
not have a mixture pump, the mixture
flow rate is increased to twice the monitor’s maximum design flow rate. The
increased flow rate or mixture pressure
is maintained until a steady oil content reading is obtained and recorded.
(k) Test No. 9CM. (1) The steps described in paragraph (h)(1) of this section are repeated.
(2) The water and metering pumps on
the test rig are stopped for eight (8)
hours after which the steps described
in paragraph (h)(1) of this section are
repeated.
(l) Test No. 10CM. (1) The supply voltage to the cargo monitor is increased
to one hundred and ten (110) percent of
its design supply voltage. The monitor
is then fed a 100 p.p.m. mixture for one
(1) hour. At the end of the one (1) hour
period, an oil content reading is obtained and recorded.
(2) The steps described in paragraph
(l)(1) of this section are repeated with
the supply voltage to the monitor lowered to ninety (90) percent of its design
supply voltage.
(3) Upon completing the steps described in paragraph (l)(2) of this sec-

tion, the supply voltage to the monitor
is returned to the design rating.
(4) The steps described in paragraphs
(l)(1), (l)(2), and (l)(3) of this section are
repeated varying each other power supply to the monitor in the manner prescribed in those steps for supply voltage.
(m) Test No. 11CM. (1) The monitor is
calibrated and zeroed.
(2) The steps described in paragraph
(h)(1) of this section are repeated.
(3) A 100 p.p.m. mixture is fed to the
monitor for eight (8) hours. At the end
of the eight (8) hour period, an oil content reading is obtained and recorded.
(4) The monitor is fed with water
until a steady oil content reading is obtained and recorded.
(n) Test No. 12CM. (1) All power to the
monitor is shut off for one (1) week.
After one week the monitor is started,
zeroed, and calibrated.
(2) The monitor is fed with a 100
p.p.m. mixture for one (1) hour. An oil
content reading is then obtained and
recorded.
(3) The monitor is fed with water for
one (1) hour. An oil content reading is
then obtained and recorded.
(4) The steps described in paragraphs
(n)(2) and (n)(3) of this section are repeated three (3) additional times. During the last hour in which the monitor
is fed with a 100 p.p.m. mixture, the
monitor is inclined at an angle of 22.5°
with the plane of its normal operating
position.
§ 162.050–29 Bilge
monitor:
Design
specification.
(a) This section contains requirements that apply to bilge monitors.
(b) Each bilge monitor must be designed to meet the requirements of this
section and the requirements for a
cargo monitor in §§ 162.050–25 (b)
through (g) and § 162.050–25(i).
(c) Each bilge monitor must have—
(1) A device that produces a warning
signal, and a signal that can be used to
actuate stop valves in a vessel’s fixed
piping system, when the oil content of
the mixture being measured exceeds 15
p.p.m. ±5 p.p.m.;
(2) A device that produces a warning
signal, and a signal that can be used to
actuate stop valves in a vessel’s fixed
piping system, when the oil content of

310

Coast Guard, DOT

§ 162.050–31

the mixture being measured exceeds 100
p.p.m. ±20 p.p.m.; and
(3) A device that produces a warning
signal, and a signal that can be used to
actuate stop valves in a vessel’s fixed
piping system, when malfunction,
breakdown, or other failure of the bilge
monitor occurs.
(d) Each bilge monitor must have a
device that is designed to record continuously the concentration of oil in
p.p.m. that the monitor measures and
to record the date and time of the
measurements. The record must be durable enough to be kept for three (3)
years. If the device has more than one
scale, it must have a means to show on
the record the scale in use at the time
of the reading.
§ 162.050–31 Bilge
tests.

monitor:

Approval

(a) This section contains requirements that apply to bilge monitors.
(b) Test conditions. (1) Each test must
be conducted under the conditions prescribed in this section and under the
conditions prescribed for cargo monitors in §§ 162.050–27 (b)(1) through (b)(4)
and §§ 162.050–27 (b)(7) through (b)(13).
(2) Except as provided in Test No.
2BM, the oil used in each test must be
a heavy fuel oil that has a relative density of approximately 0.94 at 15 °C. and
a viscosity of at least 220 centistokes
(approximately 900 seconds Redwood
No. 1) at 37.8 °C.
(3) The water used in each test must
be clean fresh water or clean fresh
water in solution with sodium chloride.
The water must have a relative density
at 15 °C. that is equal to or less than
0.085 plus the relative density of the
heavy fuel oil used in the tests.
(c) Test No. 1BM. (1) The bilge monitor is calibrated and zeroed. It is then
fed with water for 15 minutes and then
with mixtures in the following concentrations: 15 p.p.m., 50 p.p.m., 75
p.p.m., 100 p.p.m., and each additional
concentration, in increments of 25
p.p.m. up to the highest oil concentration that can be read on the monitor.
Each concentration is fed to the monitor in the order listed for fifteen (15)
minutes. Water is fed to the monitor
for fifteen (15) minutes between each
mixture. At the end of each fifteen (15)

minute period an oil content reading is
obtained and recorded.
(2) The metering and water pumps of
the test rig are started and the oil content of the mixture is increased until
the device required by § 162.050–29(c)(1)
actuates. The oil content of the mixture causing actuation is recorded.
(3) The oil content of the mixture is
then increased until the device required by § 162.050–29(c)(2) actuates. The
oil content of the mixture causing actuation is recorded.
(d) Test No. 2BM. Test No. 1BM is repeated using, in lieu of a heavy fuel oil
in the mixture, a light distillate fuel
oil having a relative density of approximately 0.83 at 15 °C.
(e) Test No. 3BM. (1) The bilge monitor is fed with water, zeroed, and then
fed with a 15 p.p.m. mixture until a
steady reading is obtained and recorded. The time of first detecting oil
in the mixture and the time of reaching the highest steady reading of oil
content are also recorded. The metering pump is turned off after the highest
steady reading is obtained. The time at
which the highest steady reading starts
to decrease and the time of returning
to the lowest steady oil content reading are recorded. The oil content of the
lowest steady reading is also recorded.
(2) The steps in paragraph (l) of this
section are repeated using a 100 p.p.m.
mixture.
(f) Test No. 4BM. (1) The bilge monitor is fed with water, zeroed, and then
fed with a mixture containing (10) percent oil for one (1) minute. The following times occurring during this procedure are recorded:
(i) Time at which the monitor first
detects oil.
(ii) Time of actuation of the device
required by § 162.050–29(c)(1).
(iii) Time of actuation of the device
required by § 162.050–29(c)(2).
(iv) Time of exceeding the highest oil
concentration that can be read on the
monitor.
(v) Time of returning to the highest
oil concentration that can be read on
the monitor.
(vi) Time of returning to the lowest
steady oil content reading.
(2) The oil content of the mixture at
the lowest steady reading described in

311

§ 162.050–31

46 CFR Ch. I (10–1–98 Edition)

paragraph (f)(1)(vi) of this section is recorded.
(3) The monitor is fed with water, zeroed, and then fed with oil for one (1)
minute after which the flow of water is
resumed. The times described in paragraph (f)(1) of this section are recorded.
(4) The monitor is fed with a 15 p.p.m.
mixture until a steady oil content
reading is obtained and recorded.
(5) The monitor is fed with a 100
p.p.m. mixture until a steady oil content reading is obtained and recorded.
(g) Test No. 5BM. (1) The bilge monitor is fed with an 80 p.p.m. mixture
until a steady reading is obtained and
recorded.
(2) The monitor is fed with an 80
p.p.m. mixture to which enough sodium
chloride has been added to provide a
concentration of 60,000 parts per million of sodium chloride in water. The
oil content reading, when steady, is recorded.
(3) The monitor is fed with an 80
p.p.m. mixture to which enough of the
contaminant described in Table 162.050–
27(g) has been added to provide a concentration of 20 parts per million of
particulate contaiminant in water. The
oil content reading, when steady, is recorded.
(h) Test No. 6BM. (1) The bilge monitor is fed with a 5–10 p.p.m. mixture
until a steady reading is obtained and
recorded.
(2) If the monitor has a positive displacement mixture pump, the mixture
pressure is lowered to one half of the
monitor’s maximum design pressure. If
the monitor has a centrifugal mixture
pump or is not equipped with a mixture
pump, the mixture flow rate is reduced
to one half of the monitor’s maximum
design flow rate. After reduction of the
pressure or flow rate, the oil content of
the mixture is increased until the device required by § 162.050–29(c)(1) actuates. The oil content causing actuation
is recorded.
(3) The monitor is fed with an 80
p.p.m. mixture until a steady reading
is obtained and recorded. The oil content of the mixture is then increased
until the device required by § 162.050–
29(c)(2) actuates. The oil content causing actuation is recorded.
(4) If the monitor has a positive displacement mixture pump, the mixture

pressure is increased to twice the monitor’s maximum design pressure. If the
monitor has a centrifugal mixture
pump or if the monitor is not equipped
with a mixture pump, the mixture flow
rate is increased to twice the monitor’s
maximum design flow rate. After increasing the pressure or flow rate, the
oil content of the mixture is increased
until the device required by § 162.050–
29(c)(1) actuates. The oil content causing actuation is recorded.
(5) The steps described in paragraph
(h)(3) of this section are repeated.
(i) Test No. 7BM. (1) The steps described in paragraphs (c)(2) and (c)(3) of
this section are repeated.
(2) The water and metering pumps on
the test rig are stopped for eight (8)
hours after which the steps described
in paragraphs (c)(2) and (c)(3) of this
section are repeated.
(j) Test No. 8BM. (1) The supply voltage to the bilge monitor is increased to
one hundred and ten (110) percent of its
design supply voltage. The monitor is
then fed a 10 p.p.m. mixture for one (1)
hour. At the end of the one (1) hour period, the oil content reading is recorded.
(2) The oil content of the mixture is
increased until the device required by
§ 162.050–29(c)(1) actuates. The oil content causing actuation is recorded.
(3) The bilge monitor is fed with an 80
p.p.m. mixture for one (1) hour. At the
end of the one (1) hour period, an oil
content reading is obtained and recorded.
(4) The oil content of the mixture is
increased until the device required by
§ 162.050–29(c)(2) actuates. The oil content causing actuation is recorded.
(5) The steps described in paragraphs
(j)(1) through (j)(4) of this section are
repeated with the supply voltage to the
bilge monitor lowered to ninety (90)
percent of its design voltage.
(6) Upon completing the steps described in paragraph (j)(5) of this section, the supply voltage to the monitor
is returned to the design rating.
(7) The steps described in paragraphs
(j)(1) through (j)(4) of this section are
repeated varying each other power supply to the monitor in the manner prescribed in those steps for supply voltage.

312

Coast Guard, DOT

§ 162.050–35

(k) Test No. 9BM. (1) The steps described in paragraphs (c)(2) and (c)(3) of
this section are repeated.
(2) An 80 p.p.m. mixture is fed to the
bilge monitor for eight (8) hours. At
the end of the eight (8) hour period, an
oil content reading is obtained and recorded.
(3) The steps described in paragraphs
(c)(2) and (c)(3) of this section are repeated.
(4) The monitor is fed with water
until a steady reading is obtained and
recorded.
(l) Test No. 10BM. (1) All power to the
bilge monitor is shut off for one (1)
week. After one week the monitor is
started, zeroed, and calibrated.
(2) The monitor is fed with an 80
p.p.m. mixture for one (1) hour. An oil
content reading is then obtained and
recorded.
(3) The steps described in paragraphs
(c)(2) and (c)(3) of this section are repeated.
(4) The monitor is fed with water for
one (1) hour. An oil content reading is
then obtained and recorded.
(5) The steps described in paragraphs
(l)(2), (l)(3), and (l)(4) of this section are
repeated three (3) additional times.
During the last time that the step described in paragraph (i)(2) of this section is repeated, the monitor is inclined at an angle of 22.5° with the
plane of its normal operating position.
§ 162.050–33 Bilge alarm: Design specification.
(a) This section contains requirements that apply to bilge alarms.
(b) Each bilge alarm must be designed to meet the requirements for a
cargo
monitor
in
§§ 162.050–25(b)
through (g), § 162.050–25(i), and the requirements in this section.
(c) Each bilge alarm must have a device that produces a warning signal,
and a signal that can be used to actuate stop valves in a vessel’s fixed piping system, when—
(1) the oil content of the mixture
being measured by the bilge alarm exceeds 15 p.p.m. ±5 p.p.m., and
(2) malfunction, breakdown, or other
failure of the bilge alarm occurs.

§ 162.050–35 Bilge
alarm:
Approval
tests.
(a) This section contains requirements that apply to bilge alarms.
(b) Test Conditions. (1) Each test must
be conducted under the conditions prescribed for cargo monitors in §§ 162.050–
27 (b)(1) through (b)(5), §§ 162.050–27
(b)(7), (b)(8), (b)(10), (b)(11), and (b)(13).
(2) Each test must be performed
using a light distillate fuel oil having a
relative density of approximately 0.83
at 15 °C.
(3) The oil content of each sample
must be measured using the method described in § 162.050–39.
(c) Test No. 1A. The bilge alarm is
calibrated and zeroed. The metering
and water pumps of the test rig are
started and the oil content of the mixture is increased until the alarm actuates. A sample of the mixture causing
actuation of the alarm is taken. The
alarm is then fed with water for fifteen
(15) minutes.
(d) Test No. 2A. (1) The bilge alarm is
fed with a 40 p.p.m mixture until the
bilge alarm actuates. The time of turning on the metering pump of the test
rig and the time of alarm actuation are
recorded. The flow rate on the flow
meter of the test rig is also recorded.
(2) The response time of the alarm is
calculated as follows:

( )


(π ) D 2 ( L ) 

response time = T2 −  T1 +


4
Q


T2=time of alarm actuation
T1=time of turning on the metering
pump of the test rig
D=inside diameter of the mixture pipe
(cm)
L=length of the mixture pipe (cm)
Q=flow rate (cm3/sec)
(e) Test No. 3A. (1) The metering and
water pumps of the test rig are started
and the oil content of the mixture is
increased until the bilge alarm actuates. A sample of the mixture causing
actuation of the alarm is taken.
(2) If the alarm has a positive displacement mixture pump, the mixture
pressure is reduced to one-half (1⁄2) of
the alarm’s maximum design pressure.
If the alarm has a centrifugal mixture
pump or is not equipped with a mixture

313

§ 162.050–37

46 CFR Ch. I (10–1–98 Edition)

pump, the mixture flow rate is reduced
to one-half (1⁄2) of the alarm’s maximum design flow rate. After reduction
of pressure or flow rate, the oil content
in the mixture is increased until the
alarm actuates. A sample of the mixture causing actuation of the alarm is
taken.
(3) If the alarm has a positive displacement mixture pump, the influent
pressure is increased to twice the
alarm’s minimum design pressure. If
the alarm has a centrifugal mixture
pump or if the alarm is not equipped
with a mixture pump, the influent flow
rate is increased to twice the alarm’s
maximum design flow rate. After increasing the pressure or flow rate, the
oil content in the mixture is increased
until the alarm actuates. A sample of
the mixture causing actuation is
taken.
(f) Test No. 4A. (1) The steps described
in paragraph (e)(1) of this section are
repeated.
(2) The metering and water pumps of
the test rig are stopped for eight (8)
hours.
(3) The metering and water pumps
are started and the oil content of the
mixture is increased until the bilge
alarm actuates. A sample of the mixture causing actuation is taken.
(g) Test No. 5A. (1) The supply voltage
to the bilge alarm is raised to one-hundred ten (110) percent of its design supply voltage. The oil content of the mixture is then increased until the alarm
actuates. A sample of the mixture
causing actuation is taken.
(2) The supply voltage to the alarm is
lowered to ninety (90) percent of its design suppy voltage. The oil content of
the mixture is then increased until the
alarm actuates. A sample of the mixture causing actuation is taken.
(3) Upon completion of the steps described in paragraph (g)(2) of this section, the supply voltage to the alarm is
returned to its design value.
(4) The steps described in paragraphs
(g)(1), (g)(2), and (g)(3) of this section
are repeated varying each other power
supply to the alarm in the manner prescribed in those steps for supply voltage.
(h) Test No. 6A. (1) The steps described in paragraph (e)(1) of this section are repeated.

(2) The bilge alarm is fed with a 5 to
10 p.p.m. mixture for eight (8) hours.
After eight (8) hours the oil content of
the mixture is then increased until the
alarm actuates. A sample of the mixture causing actuation is taken.
(i) Test No. 7A. (1) All power to the
bilge alarm is shut off for one (1) week.
After one (1) week the alarm is then
started, zeroed, and calibrated.
(2) The steps described in paragraph
(e)(1) of this section are repeated.
Water is then fed to the monitor for
one (1) hour.
(3) The steps described in paragraph
(i)(2) are repeated seven (7) additional
times. During the last hour, the alarm
must be inclined at an angle of 22.5°
with the plane of its normal operating
position.
§ 162.050–37

Vibration test.

(a) Equipment submitted for Coast
Guard approval must first be tested
under the conditions prescribed in
paragraph (b) of this section. The test
must be performed at an independent
laboratory that has the equipment to
subject the item under test to the vibrating frequencies and amplitudes
prescribed in paragraph (b) of this section. The test report submitted with
the application for Coast Guard approval must be prepared by the laboratory and must contain the test results.
(b) Each monitor and bilge alarm and
each control of a separator must be
subjected to continuous sinusoidal vibration in each of the following directions for a 4 hour period in each direction:
(1) Vertically up and down.
(2) Horizontally from side to side.
(3) Horizontally from end to end.
The vibrating frequency must be
80Hz, except that the vibrating frequency of equipment that has a resonant frequency between 2Hz and 80Hz
must be the resonant frequency. If the
vibrating frequency is between 2Hz and
13.2Hz, the displacement amplitude
must be ±1mm. If the vibrating frequency is between 13.2Hz and 80 Hz, the
acceleration amplitude must be ±
[(.7)(gravity)].

314

Coast Guard, DOT

§ 162.050–39

§ 162.050–39 Measurement of oil content.
(a) Scope. This section describes the
method and apparatus to be used in
measuring the oil content of a sample
taken in approval testing of each separator, monitor, or alarm. Light oil
fractions in the sample, with the exception of volatile components lost during
extractions, are included in each measurement.
(b) Summary of method. Each sample
is acidified to a low pH and extracted
with two volumes of solvent. The oil
content of the sample is determined by
comparison of the infrared absorbance
of the sample extract against the absorbance of known concentrations of a
reference oil in solvent.
(c) Apparatus. The following apparatus is used in each measurement:
(1) Separatory funnel that is 1000 ml.
or more in volume and that has a Teflon stopcock.
(2) Infrared spectrophotometer.
(3) A cell of 5 mm. pathlength that
has sodium chloride or infrared grade
quartz with a minimum of 80 percent
transmittance at 2930 cm¥1. (This cell
should be used if the oil content of the
sample to be measured is expected to
have a concentration of between 2
p.p.m. and 80 p.p.m.)
(4) A cell of pathlength longer than 5
mm. that has sodium chloride or infrared grade quartz with a minimum of 80
percent transmittance at 2930 cm¥1.
(This cell should be used if the oil content of the sample to be measured is
expected to have a concentration of between 0.1 p.p.m. and 2 p.p.m.)
(5) Medium grade filter paper.
(6) 100 ml. glass stoppered volumetric
flasks.
(d) Reagents. The following regaents
are used in each measurement:
(1) Hydrochloric acid prepared by
mixing equal amounts of concentrated,
reagent grade hydrochloric acid and
distilled water.
(2) Reagent grade sodium chloride.
(3) One of the following solvents:
(i) Spectrographic grade carbon tetrachloride.
(ii) Reagent grade Freon 113, except
that this solvent may not be used to
analyze samples in approval testing of
cargo monitors. (Ucon 113, Genatron

113, or an equivalent fluorocarbon solvent are also acceptable.)
(4) Reference oil, which is the oil
used in the portion of the test during
which the sample is collected.
(5) Stock reference standard prepared
by weighing 0.30 g. of reference oil in a
tared 100 ml. volumetric flask and diluting to 100 ml. volume with solvent.
(e) Preparation of calibration standards. A series of dilutions is prepared
by pipetting volumes of stock reference
standard into 100 ml. volumetric flasks
and diluting to volume with solvent. A
convenient series of volumes of the
stock reference standard is 5, 10, 15, 20,
and 25 ml. The exact concentrations of
the dilutions in milligrams of oil per
100 milliliters of diluted stock reference standard are calculated. The
calibration standards are the dilutions.
(f) Extraction. (1) A reagent blank is
carried through each step described in
this paragraph and paragraph (g) of
this section.
(2) The pH of each sample is checked
by dipping a glass rod into the sample
and touching the rod with pH-sensitive
paper to ensure that the pH is 2 or
lower. More acid is added if necessary
until the pH is 2 or lower. The glass rod
is then rinsed in the sample bottle with
solvent.
(3) The sample is poured into a separatory funnel and 5 g. of sodium chloride are added.
(4) Fifty (50) ml. of solvent are added
to the sample bottle. The bottle is
capped tightly and shaken thoroughly
to rinse its inside. The contents of the
bottle are then transferred to the separatory funnel containing the sample
and extracted by shaking vigorously
for 2 minutes. The layers are allowed
to separate.
(5) The solvent layer is drained
through a funnel containing solvent
moistened filter paper into a 100 ml.
volumetric flask.
(6) Fifty (50) ml. of solvent are added
to the sample bottle. The bottle is
capped tightly and shaken thoroughly
to rinse its inside surface. The contents
of the bottle are then transferred to
the separatory funnel containing the
water layer of the sample. The contents of the separatory funnel are then
extracted by shaking vigorously for 2

315

§ 162.050–39

46 CFR Ch. I (10–1–98 Edition)

minutes. The layers are allowed to separate. The solvent layer is then drained
through a funnel containing solvent
moistened filter paper into the volumetric flask containing the solvent
layer of the sample.
(7) The tips of the separatory funnel,
filter paper, and funnel are rinsed with
small portions of solvent and the
rinsings are collected in the volumetric
flask containing the solvent layer of
the sample. The volume is adjusted
with solvent up to 100 ml. The flask is
then stoppered and its contents are
thoroughly mixed.
(8) The water layer remaining in the
separatory funnel is drained into a 1000
ml. graduated cylinder and the water
volume estimated to the nearest 5 ml.
(g) Infrared spectroscopy. (1) The infrared spectrophotometer is prepared according to manufacturer instructions.
(2) A cell is rinsed with two volumes
of the solvent layer contained in the
volumetric flask. The cell is then completely filled with the solvent layer. A
matched cell containing solvent is
placed in the reference beam.
(3) If a scanning spectrophotometer is
used, the solvent layer in the cell and

the calibration standards are scanned
from 3200 cm¥1to 2700 cm¥1. If a single
beam or non-scanning spectrophotometer is used, the manufacturer’s instructions are followed and the absorbance is measured at or near 2930 cm¥1.
(4) If the scan is recorded on absorbance paper, a straight baseline of the
type described in Figure 162.050–39(g) is
constructed. To obtain the net absorbance, the absorbance of the baseline at
2930 cm¥1is subtracted from the absorbance of the maximum peak on the
curve at 2930 cm¥1.
(5) If the scan is recorded on transmittance paper, a straight baseline is
constructed on the hydrocarbon band
plotted on the paper. The net absorbance is:

log10

%T( baseline)
%T( peak maximum )

(6) A plot is prepared for net absorbance vs. oil content of the calibration
standards or of the percentages of
stock reference standard contained in
the calibration standards.

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Coast Guard, DOT

§ 162.050–39

(7) If the net absorbance of a sample
determined by the calibration plot exceeds 0.8 or the linear range of the
spectrophotometer, a dilution of the

solvent layer contained in the volumetric flask after completing the step

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Pt. 163

46 CFR Ch. I (10–1–98 Edition)

described in paragraph (f)(7) of this section is prepared by the pipetting an appropriate volume of the solvent layer
into a second volumetric flask and diluting to volume with solvent. If the
net absorbance is less than 0.1 when determined in accordance with the procedures in this paragraph, it is recalculated using a longer pathlength cell.
(h) Calculations. (1) The plot described
in paragraph (g)(6) of this section is
used to determine the milligrams of oil
in each 100 ml. of solvent layer contained in the volumetric flask after
completing the steps described in paragraph (f) or paragraph (g)(7) of this section.
(2) The oil content of the sample is
calculated using the following formula:
oil content of sample=R×D×1000/V
R = mg. of oil in 100 ml. of solvent layer determined from plot.
D = 1 or, if the step described in paragraph
(g)(7) of this section is performed, the ratio
of the volume of the second volumetric
flask described in that paragraph to the
volume of solvent layer pipetted into the
second volumetric flask.
V = The volume of water in milliliters
drained into the graduated cylinder at the
step described in paragraph (f)(8) of this
section.

(3) The results are reported to two
significant figures for oil contents
below 100 mg/l and to three significant
figures for oil contents above 100 mg/l.
The results are converted to p.p.m.

PART 163—CONSTRUCTION
Subpart 163.001

[Reserved]

Subpart 163.002—Pilot Hoist
Sec.
163.002–1
163.002–3
163.002–5
163.002–7
163.002–9
163.002–11
163.002–13
163.002–15
163.002–17
163.002–21
163.002–25
163.002–27
tion.

Scope.
Applicable technical regulations.
Definitions.
Independent laboratory.
Approval procedure.
Materials.
Construction.
Performance.
Instructions and marking.
Approval tests.
Marking.
Production tests and examina-

Subpart 163.003—Pilot Ladder
163.003–1
163.003–3

Scope.
ASTM standard.

163.003–7 Independent laboratory.
163.003–9 Approval procedure.
163.003–11 Materials.
163.003–13 Construction.
163.003–15 Performance.
163.003–17 Strength.
163.003–21 Approval tests.
163.003–25 Marking.
163.003–27 Production tests and examination.
163.003–29 Effective date and status of prior
approval.
AUTHORITY: 46 U.S.C. 3306, 3703, 5115; E.O.
12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277;
49 CFR 1.46.
SOURCE: CGFR 50–30, 16 FR 1086, Feb. 6,
1951, unless otherwise noted.

Subpart 163.001 [Reserved]
Subpart 163.002—Pilot Hoist
SOURCE: CGD 74–140, 46 FR 63287, Dec. 31,
1981, unless otherwise noted.

§ 163.002–1

Scope.

(a) This subpart contains standards
and approval and production tests for
pilot hoists used on merchant vessels.
(b) The requirements in this subpart
apply to a pilot hoist designed for use
along a vertical portion of a vessel’s
hull.
§ 163.002–3 Applicable technical regulations.
(a) This subpart makes reference to
the following Coast Guard regulations
in this chapter:
(1) Subpart 58.30 (Fluid Power and
Control Systems).
(2) Section 94.33–10 (Description of
Fleet Angle).
(3) Part 111 (Electrical System, General Requirements).
(4) Subpart 163.003 (Pilot Ladder).
(b) [Reserved]
§ 163.002–5

Definitions.

(a) Maximum persons capacity means—
(1) If the hoist has a rigid ladder, one
person; or
(2) If the hoist has a platform, one
person per square meter (10.75 sq. ft.) or
fraction thereof of platform area (including hatch area);
(b) Working load means the sum of
the weights of—

318