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(continued) d fittings of ferrous materials shall be protected inside and outside against corrosion unless specifically approved otherwise by the Commandant.
(c) All piping, valves, and fittings shall be securely supported, and where necessary, protected against injury.
(d) Drains and dirt traps shall be fitted where necessary to prevent the accumulation of dirt or moisture.
(e) Piping shall not be used for any other purpose than firefighting, drills and testing.
§ 34.17-20 Discharge outlets—T/ALL.
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(a) Discharge outlets shall be of an approved type.
§ 34.17-25 Additional protection required—T/ALL.
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(a) In order that any residual fires above the floor plates may be extinguished when a foam system is installed for the protection of machinery spaces, at least 2 fire hydrants, in addition to those required for the machinery space by subpart 34.10, shall be installed outside of the machinery space entrance. Such hydrants shall be fitted with sufficient hose so that any part of the machinery space may be reached with at least 2 streams of water, and each hose shall be equipped with an approved combination nozzle and applicator.
§ 34.17-90 Installations contracted for prior to January 1, 1962—T/ALL.
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(a) Installations contracted for prior to January 1, 1962, shall meet the following requirements:
(1) Existing arrangements, materials, and facilities previously approved shall be considered satisfactory so long as they meet the minimum requirements of this paragraph and they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection. Minor repairs and alterations may be made to the same standards as the original installation.
(2) The details of the systems shall be in general agreement with §§34.17–5 through 34.17–20, insofar as is reasonable and practicable. Installations contracted for prior to November 19, 1952, need not comply with paragraph (a)(2) of §34.17–5 and §34.17–25. A 6-inch blanket of foam in 3 minutes for machinery spaces and pumprooms will be considered as meeting the requirements of §34.17–5.
(3) Where a system is installed to protect a tank, it shall be so designed and arranged as to spread a blanket of foam over the entire liquid surface of the tank within the range of usual trim. The arrangement of piping shall be such as to give a relatively uniform distribution over the entire area protected.
(4) For tanks, the rate of discharge to foam outlets protecting the hazard shall be as set forth in §34.17–5(b), except that the value of 1 gallon per minute shall be substituted in both cases for the value of 1.6 gallons per minute. The quantity of foam provided shall be sufficient to operate the equipment for 5 minutes.
(5) On installations installed prior to November 19, 1952, a semiportable foam generator using a dry-chemical mixture or mechanical foam in conjunction with the fire lines may be substituted for the fixed system subject to the following conditions:
(i) There shall be at least one fire pump of suitable capacity available which can be operated and controlled from outside the space protected.
(ii) Stop valves shall be installed in the line so that if any portion of the fire main is ruptured, the foam generator may still be operated. Connections for at least two fire hoses shall be provided between the pump and the stop valve.
(iii) If the foam system is of the portable or semiportable type, the apparatus and chemicals shall be stored in a readily accessible place protected from the weather.
Subpart 34.20—Deck Foam System, Details
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§ 34.20-1 Application—T/ALL.
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(a) Where a deck foam system is installed, the provisions of this subpart, except §34.20–90, apply to all installations that are contracted for on or after January 1, 1970, unless otherwise indicated.
(b) Installations contracted for prior to January 1, 1970, shall meet the requirements of §34.20–90.
(c) Foreign flag crude oil tankers and product carriers required to have fixed deck foam systems by this subpart must have systems that are designed and installed in accordance with Regulation 61 of Chapter II–2 of SOLAS 1974. (Senate Document, 57–1180, GPO, Washington, 1976; “Message from the President of the United States transmitting, the International Convention for the Safety of Life at Sea, 1974, Done at LONDON, November 1, 1974”).
(46 U.S.C. 391a; 49 CFR 1.46(n)(4))
[CGFR 69–72, 34 FR 17481, Oct. 29, 1969, as amended by CGD 74–127, 41 FR 3846, Jan. 26, 1976; CGD 77–057a, 44 FR 66502, Nov. 19, 1979]
§ 34.20-3 Cargo area definition—T/ALL.
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(a) For the purpose of this subpart, the term cargo area is defined as the maximum beam of the vessel times the total longitudinal extent of the cargo tank spaces.
§ 34.20-5 Quantity of foam required—T/ALL.
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(a) Area protected. Systems of this type are designed to give primary protection to the spaces over the cargo tanks.
(b) Rate of application. The water rate of the foam production equipment shall be determined as follows:
(1) For usual petroleum products the rate of supply of foam solution shall be not less than the greatest of the following:
(i) 0.6 liters/min per square meter of cargo tanks deck area, where cargo tanks deck area means the maximum breadth of the ship multiplied by the total longitudinal extent of the cargo tank spaces;
(ii) 6 liters/min per square meter of the horizontal sectional area of the single tank having the largest such area; or
(iii) 3 liters/min per square meter of the area protected by the largest monitor, such area being entirely forward of the monitor, but not less than 1,250 liters/min.
(2) For polar solvent products (e.g. alcohols, ketones, etc.) the water rate shall be determined for each vessel. The rate will depend upon the vessel design, products to be carried and foam system to be used.
(c) Supply of foam-producing material. Each deck foam system must have a supply of foam-producing material sufficient to operate the system at its designed rate of foam production for the following periods:
(1) For installations contracted for on or after January 1, 1970, 15 minutes without recharging, except as required in paragraph (c)(2) of this section.
(2) For installations on ships that have a keel laying date on or after January 1, 1975, 20 minutes without recharging.
(d) Separate supply of foam-producing material. Where the same foam-producing material may be used for this system as well as a fixed foam system, separate supplies need not be provided for each space protected. The total available supply shall be at least sufficient for the space requiring the greatest amount.
(e) Water supply. Suitable pumps shall be provided capable of producing the required water rate. The fire pumps required by subpart 34.10 may be used for this purpose; however, the operation of the deck foam system shall not interfere with the simultaneous use of the fire main system.
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGFR 69–72, 34 FR 17481, Oct. 29, 1969; CGD 74–127, 41 FR 3846, Jan. 26, 1976; CGD 95–028, 62 FR 51199, Sept. 30, 1997]
§ 34.20-10 Controls—T/ALL.
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(a) The foam agent, its container, measuring devices, and other items peculiar to this system shall be of an approved type.
(b) The foam agent container and the main controls for operating the system shall be located in a protected space not likely to be made inaccessible in the event of a fire in any portion of the cargo area.
(c) Complete, but simple instructions for the operation of the system shall be located in a conspicuous place at or near the controls.
(d) All valves shall be marked as required by §35.40–17.
(e) The deck foam system on each tankship that has a keel laying date on or after January 1, 1975, must be capable of being actuated, including introduction of foam to the foam main, within three minutes of notification of a fire.
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGD 74–127, 41 FR 3846, Jan. 26, 1976]
§ 34.20-15 Piping—T/ALL.
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(a) All piping, valves, and fittings shall meet the applicable requirements of subchapter F (Marine Engineering) of this chapter.
(b) All piping, valves, and fittings of ferrous materials shall be protected inside and outside against corrosion unless specifically approved otherwise by the Commandant.
(c) The piping and outlet arrangement shall allow the required rate of applications as contained in §34.20–5(b), to any portion of the open deck of the cargo area through the use of the mounted and hand-held appliances that are provided. At least 50 percent of the required rate of application shall be from the mounted appliances. One or more hose outlets for hand-held appliances shall be provided at each foam station. For enclosed spaces, application of at least 1.6 gallons per minute water rate for each 10 square feet of the enclosed area for 5 minutes is acceptable. For the purpose of this paragraph, all piping is assumed to be damaged in way of the fire and an adequate number of valves shall be fitted to prevent loss of foam by closing valves to damaged piping.
(d) All piping, valves, and fittings shall be securely supported, and where necessary, protected against injury.
(e) Drains and dirt traps shall be fitted where necessary to prevent the accumulation of dirt or moisture.
(f) Piping shall not be used for any other purpose than firefighting, drills, and testing.
(g) Tankships of 100,000 or more DWT (metric) and combination carriers of 50,000 or more DWT (metric) that have a keel laying date on or after January 1, 1975, must have at least one foam station port and at least one foam station starboard that are separated from each other by a distance equal to at least one-half the beam of the vessel:
(1) At the housefront or aft of the cargo area in a location that is accessible to the crew for fighting a cargo and a pumproom fire; and
(2) If the tankship has a forward accommodations house, at the after boundary of that house.
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGD 72–138, 39 FR 7790, Feb. 28, 1974; CGD 74–127, 41 FR 3846, Jan. 26, 1976]
§ 34.20-20 Discharge outlets—T/ALL.
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(a) Discharge outlets shall be of an approved type.
(b) At least one mounted foam appliance shall be provided for each station that is required in §34.20–15(c).
(c) The number of hand-held appliances provided shall be at least equal to the number of hose outlets at the two foam stations having the most hose outlets. Hand-held appliances shall be stowed in a well marked, readily accessible position that cannot be isolated by a fire involving the cargo tanks.
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGD 72–138, 39 FR 7790, Feb. 28, 1974]
§ 34.20-25 Foam monitor capacity—T/ALL.
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The capacity of each foam monitor on ships that have a keel laying date on or after January 1, 1975, must be at least 3 liters per minute per square meter (.073 gallons per minute per square foot) of cargo area protected by that monitor.
[CGD 74–127, 41 FR 3846, Jan. 26, 1976]
§ 34.20-90 Installations contracted for prior to January 1, 1970—T/ALL.
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(a) Installations contracted for prior to January 1, 1970, shall meet the following requirements:
(1) Existing arrangements, materials, and facilities previously approved shall be considered satisfactory so long as they meet the minimum requirements of this paragraph and they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection. Minor repairs and alterations may be made to the same standards as the original installation.
(2) For installations contracted for prior to November 19, 1952, see §34.17–90(a)(5).
(3) Installations contracted for on or after November 4, 1957, but prior to January 1, 1970, shall meet the requirements of §§34.20–5 through 34.20–20 insofar as is reasonable and practicable.
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGFR 69–72, 34 FR 17481, Oct. 29, 1969]
Subpart 34.25—Water Spray Extinguishing Systems, Details
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§ 34.25-1 Application—T/ALL.
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(a) Where a water spray extinguishing system is installed, the provisions of this subpart, with the exception of §34.25–90, shall apply to all installations contracted for on or after January 1, 1964. Installations contracted for prior to January 1, 1964, shall meet the requirements of §34.50–90.
§ 34.25-5 Capacity and arrangement—T/ALL.
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(a) The capacity and arrangement shall be such as to effectively blanket the entire area of the space protected. The rate of discharge and the arrangement of piping and spray nozzles shall be such as to give a uniform distribution over the entire area protected.
(b) The spacing of the spray nozzles shall be on the basis of the spray pattern provided by the lowest pressure at any spray nozzle in the system. In no instance shall a system be designed for any spray nozzle to be operated at a pressure less than that for which it was approved. The maximum permissible height of the spray nozzle above the protected area shall not exceed that specified in its approval. Whenever there are obstructions to coverage by the spray patterns, additional spray nozzles shall be installed to provide full coverage.
(c) The water supply shall be from outside the space protected and shall in no way be dependent upon power from the space protected. The pump supplying water for the system shall either be reserved exclusively for the system or it may be one of the fire pumps, provided the capacity of the fire pump as set forth in subpart 34.10 is increased by the required capacity of the system, so that this system may be operated simultaneously with the fire main system.
§ 34.25-10 Controls—T/ALL.
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(a) There shall be one control valve for the operation of the system located in an accessible position outside the space protected. The control shall be located as convenient as practicable to one of the main escapes from the space protected, and shall be marked as required by §35.40–18 of this subchapter. It shall not be necessary to start the pumps from the control space.
(b) Complete, but simple instructions for the operation of the system shall be located in a conspicuous place at or near the controls.
(c) The valve to the space protected shall be marked as required by §35.40–18 of this subchapter.
§ 34.25-15 Piping—T/ALL.
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(a) All piping, valves and fittings shall meet the applicable requirements of subchapter F (Marine Engineering) of this chapter.
(b) Distribution piping shall be of materials resistant to corrosion, except that steel or iron pipe may be used if inside corrosion resistant coatings which will not flake off and clog the nozzles are applied. Materials readily rendered ineffective by heat of a fire shall not be used. The piping shall be subject to approval for each installation.
(c) All piping, valves, and fittings shall be securely supported, and where necessary, protected against injury.
(d) Drains, strainers, and dirt traps shall be fitted where necessary to prevent the accumulation of dirt or moisture.
(e) Threaded joints shall be metal to metal, with no thread compound used.
(f) Distribution piping shall be used for no other purpose.
(g) All piping shall be thoroughly cleaned and flushed before installation of the water spray nozzles.
§ 34.25-20 Spray nozzles—T/ALL.
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(a) Spray nozzles shall be of an approved type.
§ 34.25-90 Installations contracted for prior to January 1, 1964—T/ALL.
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(a) Installations contracted for prior to January 1, 1964, shall meet the following requirements:
(1) Existing arrangements, materials, and facilities previously approved shall be considered satisfactory so long as they meet the minimum requirements of this paragraph and they are maintained in good condition to the satisfaction of the Officer in Charge, Marine Inspection. Minor repairs and alterations may be made to the same standards as the original installation.
(2) The details of the systems shall be in general agreement with §§34.25–5 through 34.25–20 insofar as is reasonable and practicable.
Subpart 34.30—Automatic Sprinkler Systems, Details
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§ 34.30-1 Application—TB/ALL.
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Automatic sprinkler systems shall comply with NFPA 13–1996.
[CGD 95–028, 62 FR 51199, Sept. 30, 1997]
Subpart 34.50—Portable and Semiportable Extinguishers
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§ 34.50-1 Application—TB/ALL.
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(a) The provisions of this subpart, with the exception of §34.50–90, shall apply to all vessels contracted for on or after January 1, 1962.
(b) All vessels contracted for prior to January 1, 1962, shall meet the requirements of §34.50–90.
§ 34.50-5 Classification—TB/ALL.
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(a) Portable and semiportable extinguishers shall be classified by a combination letter and number symbol. The letter indicating the type of fire which the unit could be expected to extinguish, and the number indicating the relative size of the unit.
(b) The types of fire will be designated as follows:
(1) “A” for fires in ordinary combustible materials such as mattresses, piles of wood, shavings, canvas, etc., where the quenching and cooling effects of quantities of water, or solutions containing large percentages of water, are of first importance.
(2) “B” for fires in combustible or flammable liquids such as gasoline, lubricating oil, diesel oil, greases, etc., where a blanketing or smothering effect is essential.
(3) “C” for fires in electrical equipment where the use of non-conducting extinguishing agent is of first importance so that electrical shock is not experienced by the firefighter.
(c) The number designations for size will start with “I” for the smallest to “V” for the largest. Extinguishers which have a gross weight of 55 pounds or less when fully charged are considered portable. Extinguishers which have a gross weight of more than 55 pounds when fully charged are considered semiportable and shall be fitted with suitable hose and nozzle or other practicable means so that all portions of the space concerned may be reached. Examples of size graduations for some of the typical portable and semiportable extinguishers are set forth in Table 34.50–5(c).
Table 34.50-5(c)
------------------------------------------------------------------------
Soda-acid Carbon Dry
Classification type (Size) and water Foam dioxide chemical
(Gallons) (Gallons) (Pounds) (Pounds)
------------------------------------------------------------------------
A-II.......................... 2\1/2\ 2\1/2\ ........ ........
B-I........................... ......... 1\1/4\ 4 2
B-II.......................... ......... 2\1/2\ 15 10
B-III......................... ......... 12 35 20
B-IV.......................... ......... 20 50 30
B-V........................... ......... 40 \1\ 100 \1\ 50
C-I........................... ......... ......... 4 2
CC-II......................... ......... ......... 15 10
------------------------------------------------------------------------
\1\ For outside use, double the amount shall be carried.
§ 34.50-10 Location—TB/ALL.
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(a) Approved portable and semiportable extinguishers shall be installed in accordance with Table 34.50–10(a). The location of the equipment shall be such as in the opinion of the Officer in Charge, Marine Inspection, will be most convenient in case of emergency. Where special circumstances exist, not covered by Table 34.50–10(a), the Officer in Charge, Marine Inspection, may require such additional equipment as he deems necessary for the proper protection of the vessel.
(b) For additional portable extinguishers as a substitute for sand, see §34.55–10.
(c) Semiportable extinguishers shall be located in the open so as to be readily seen.
(d) If portable extinguishers are not located in the open or behind glass so that they may be readily seen they may be placed in enclosures together with the fire hose, provided such enclosures are marked as required by §35.40–25 of this subchapter.
(e) Portable extinguishers and their stations shall be numbered in accordance with §35.40–25 of this subchapter.
(f) Hand portable or semiportable extinguishers which are required on their nameplates to be protected from freezing shall not be located where freezing temperatures may be expected.
Table 34.50-10(a)_Portable and Semiportable Extinguishers
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Tank ships Tank barges
---------------------------------------------------- --------------------------------------
Classification Area Classification
Quantity and location (see § 34.50- (see § 34.50- Quantity and
5) 5) location
----------------------------------------------------------------------------------------------------------------
Safety Areas
----------------------------------------------------------------------------------------------------------------
1 required..................... C-II.............. Wheelhouse and .................. None required.
chartroom area..
1 required in vicinity of exit. C-II\1\........... Radio room.......... .................. None required.
----------------------------------------------------------------------------------------------------------------
Accommodation Areas
----------------------------------------------------------------------------------------------------------------
1 required in each main A-II or B-II...... Staterooms, toilet A-II or B-II...... 1 required in
passageway on each deck, spaces, public vicinity of exit
conveniently located, and so spaces, offices,
that no room is more than 75 etc., and
feet from an extinguisher. associated lockers,
storerooms, and
pantries..
----------------------------------------------------------------------------------------------------------------
Service Areas
----------------------------------------------------------------------------------------------------------------
1 required for each 2,500 B-II or C-II...... Galleys............. B-II or C-II...... 1 required,
square feet or fraction suitable for
thereof, suitable for hazard hazard involved.
involved.
1 required for each 2,500 A-II or B-II...... Stores areas, .................. None required.
square feet or fraction including paint and
thereof, suitable for hazard lamp rooms.
involved.
----------------------------------------------------------------------------------------------------------------
Machinery Area \2\
----------------------------------------------------------------------------------------------------------------
2 required \3\................. B-II.............. Spaces containing B-II.............. 1 required.\12\
oil fired boilers,
either main or
auxiliary, or any
fuel oil units
subject to the
discharge pressure
of the fuel oil
service pump.
and
1 required..................... B-V\4\............
1 required for each 1,000 B-II.............. Spaces containing .................. None required.
B.H.P., but not less than 2 internal combustion
nor more than 6\5\. or gas turbine
propulsion
machinery.
and
1 required \6\ \7\............. B-III.............
1 required in vicinity of B-II.............. Auxiliary spaces B-II.............. 1 required in
exit\7\. containing internal vicinity of
combustion or gas exit.\7\ \9\
turbine units. \12\
1 required in vicinity of C-II.............. Auxiliary spaces .................. None required.
exit\8\. containing
emergency
generators.
----------------------------------------------------------------------------------------------------------------
Cargo Areas
----------------------------------------------------------------------------------------------------------------
1 required in lower pumproom... B.II.............. Pumprooms........... B-II.............. 1 required in
vicinity of
exit.\9\ \12\
None required.................. .................. Cargo tank area..... B-II.............. 2 required.\10\
\12\
B-V............... 1
required.\9\\11\
----------------------------------------------------------------------------------------------------------------
\1\ Vessels not on an international voyage may substitute 2 C-I.
\2\ A C-II shall be immediately available to the service generator and main switchboard areas, and further, a C-
II shall be conveniently located not more than 50 feet walking distance from any point in all main machinery
operating spaces. These extinguishers need not be in addition to other required extinguishers.
\3\ Vessels of less than 1,000 gross tons require 1.
\4\ Vessels of less than 1,000 gross tons may substitute 1 B-IV.
\5\ Only 1 required for vessels under 65 feet in length.
\6\ If oil burning donkey boiler fitted in space, the B-V previously required for the protection of the boiler
may be substituted. Not required where a fixed carbon dioxide system is installed.
\7\ Not required on vessels of less than 300 gross tons if fuel has a flashpoint higher than 110° F.
\8\ Not required on vessels of less than 300 gross tons.
\9\ Not required if fixed system installed.
\10\ If no cargo pump on barge, only one B-II required.
\11\ Manned barges of 100 gross tons and over only.
\12\ Not required on unmanned barges except during transfer of cargo, or operation of barge machinery, or
boilers. (See § 35.35-1(c) of this chapter.)
[CGFR 65–50, 30 FR 16694, Dec. 30, 1965, as amended by CGFR 70–143, 35 FR 19905, Dec. 30, 1970]
§ 34.50-15 Spare charges—TB/ALL.
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(a) Spare charges shall be carried on all vessels for at least 50 percent of each size and each variety, i.e. foam, soda-acid, carbon dioxide, etc., of portable extinguisher required by §34.50–10(a). However, if the unit is of such variety that it cannot be readily recharged by the vessel's personnel, one spare unit of the same classification shall be carried in lieu of spare charges for all such units of the same size and variety. This section does not apply to unmanned barges.
(b) Spare charges shall be so packaged as to minimize the hazards to personnel while recharging the units.
§ 34.50-20 Semiportable fire extinguishers—TB/ALL
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(a) The frame or support of each size III, IV, and V fire extinguisher required by Table 34.50–10(a) must be welded or otherwise permanently attached to a bulkhead or deck.
(b) If a size III, IV, or V fire extinguisher has wheels and is not required by Table 34.50–10(a), it must be securely stowed when not in use to prevent it from rolling out of control under heavy sea conditions.
[CGD 77–039, 44 FR 34132, June 14, 1979]
§ 34.50-90 Vessels contracted for prior to January 1, 1962—TB/ALL.
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(a) Vessels contracted for prior to January 1, 1962, shall meet the following requirements:
(1) The provisions of §§34.50–5 through 34.50–15 shall be met with the exception that existing installations may be maintained if in the opinion of the Officer in Charge, Marine Inspection, they are in general agreement with the degree of safety prescribed by Table 34.50–10(a). In such cases, minor modifications may be made to the same standard as the original installation: Provided, That in no case will a greater departure from the standards of Table 34.50–10(a) be permitted than presently exists.
(2) [Reserved]
(b) [Reserved]
Subpart 34.60—Fire Axes
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§ 34.60-1 Application—T/ALL.
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(a) The provisions of this subpart shall apply to all tankships.
(b) [Reserved]
§ 34.60-5 Number required—T/ALL.
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(a) All tankships shall carry at least the minimum number of fire axes as set forth in Table 34.60–5(a). Nothing in this paragraph shall be construed as limiting the Officer in Charge, Marine Inspection, from requiring such additional fire axes as he deems necessary for the proper protection of the tankship.
Table 34.60-5(a)
------------------------------------------------------------------------
Gross tons
------------------------------------------------- Number of axes
Over Not over
------------------------------------------------------------------------
50 1
50 200 2
200 500 3
500 1,000 4
1,000 ....................... 5
------------------------------------------------------------------------
(b) [Reserved]
§ 34.60-10 Location—T/ALL.
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(a) Fire axes shall be distributed throughout the spaces so as to be most readily available in the event of emergency.
(b) If fire axes are not located in the open, or behind glass, so that they may readily be seen, they may be placed in enclosures together with the fire hose, provided such enclosures are marked as required by §35.40–15 of this subchapter.