extend to a reasonable height above the weather deck and be fitted with a flame arrestor or a pressure-vacuum relief valve.

(d) Venting systems required for Grade "A" liquids may be used in lieu of systems required for Grade "B" and "C".

(e) Cargo tanks in which Grade "D" or "E" liquids only are to be transported shall be fitted with gooseneck vents and flame screens unless such tanks are vented by pressure-vacuum relief valves or a venting system of branch vent lines and a vent header.

(f) Venting systems required for Grade "A", "B", or "C" liquids may be used in lieu of systems required for Grade "D" or "E".

§ 4.117c Venting of bunker tanks.

Bunker fuel tanks shall be fitted with a gooseneck vent with suitable wire flame screen or a standard pressure-vacuum relief valve. The minimum size of vents shall not be less than 21⁄2 inches. The vent outlet shall be located above the weather deck.

§ 4.118

Venting of cofferdam.

Cofferdams shall be provided with gooseneck vents fitted with a flame screen or pressure-vacuum relief valves. The diameter of a vent shall not be less than 21⁄2 inches.

§ 4.118a Ventilation.

All enclosed parts of the vessel other than cargo, fuel, and water tanks and cofferdams, shall be provided with efficient means of ventilation. Pump rooms and compartments containing machinery where sources of vapor ignition are normally present shall be ventilated in such a way as to remove vapors from points near the floor levels or bilges. Effective steam or air actuated gas ejectors, blowers or ventilators fitted with heads for natural ventilation, will be approved for this purpose.

§ 4.118b Ventilation for certain hold

spaces.

Hold spaces containing independent cargo tanks shall be considered to be equivalent to cargo pump rooms and shall be ventilated and safeguarded as such.

§ 4.118c General safety requirements during transfer operations.

(a) Boiler fires are normally permitted during cargo transfer operations:

46047-60

Provided, That prior to transferring Grade "A", "B" or "C" cargoes, the Master or Senior Deck Officer on duty and the Panama Canal Company Oil Plant Foreman or his representative shall make an inspection to determine whether, in their judgment, boiler fires may be maintained with reasonable safety during transfer operations.

(b) Galley fires are normally permitted during cargo transfer operations: Provided, That prior to transferring Grade "A", "B" or "C" cargoes, the Master or Senior Deck Officer on duty and the Panama Canal Company Oil Plant Foreman or his representative shall make an inspection to determine whether in their judgment galley fires may be maintained with reasonable safety during transfer operations.

(c) During transfer operations a red signal (flag by day and electric lantern at night) shall be so placed that it will be visible on all sides.

(d) Warning placards shall be displayed at the gangway, in a conspicuous place, during transfer of cargo, to warn persons approaching the gangway. The placard shall state in letters not less than two (2) inches high the following:

DANGER

HANDLING PETROLEUM

NO LOITERING

NO FIRES NO SMOKING
NO VISITORS

(The placards shall be supplied by the Panama Canal Company.)

(e) A sign shall be placed in the radio room warning against the use of radio equipment during transfer of Grade "A", "B", or "C" liquids, except as authorized by the Governor.

§ 4.119 Fire fighting requirements.

(a) Fire fighting equipment shall be adequate and in good operating condition. It shall include a steam smothering or a flue gas or a carbon dioxide or a foam system to the cargo tanks and water service, fire hoses and portable extinguishers.

(b) Fire hoses with suitable nozzles attached shall be connected to the outlets at all times while in Canal Zone waters. Sufficient hose shall be connected to reach all parts of the vessel. While moored to a dock, connections to shore lines shall be made if water pressure is not available aboard the vessel.

Page 25

(c) In case of fire aboard a vessel the Port Captain shall be in complete charge for the purpose of coordinating the various Canal Zone Government or Panama Canal Company functions concerned. The Panama Canal Company Oil Plant Foreman or his representative shall direct terminal fire fighting facilities until the arrival of the Canal Zone Government Fire Department, or the Port Captain or his representative. The vessel's crew shall cooperate with the terminal authorities. Nothing contained herein shall relieve the master of responsibility for the safety of his vessel.

§ 4.119a Smoking.

(a) Smoking shall not be permitted aboard tank vessels in Canal Zone waters while loading or unloading Grade "A", "B" or "C" cargoes.

(b) Smoking shall not be permitted on tank vessels carrying Grade "A", "B" or "C" cargoes while they are in the locks or within one-half mile of any lock.

(c) Smoking shall not be permitted on the weather deck of tank vessels in Canal Zone waters when they are not gas free.

(d) Smoking shall not be permitted on a dock in close proximity of a tank vessel that is not gas free.

(e) "No smoking" signs shall be posted in appropriate places.

(f) Except where smoking is prohibited as provided above, the master or senior deck officer on duty shall designate where smoking is permitted.

§ 4.119b General safety requirements.

(a) Nonsparking tools shall be provided for opening and closing of cargo hatch covers.

(b) On Grade "A", "B", "C", or "D" vessels the electrical installation in a cargo pump room, or any enclosed space immediately adjoining cargo tanks shall meet the following requirements:

(1) Switch boards, distributing panels, switches, fuses and other circuit-interrupting devices are not to be fitted in these spaces.

(2) No portable lighting equipment except explosion proof, self contained, battery fed lamps shall be used in spaces that are not gas free.

(3) Wiring is to be leaded and armored and shall be run through gas tight fittings having stuffing glands at inlets and outlets.

(4) Joints in wiring shall be made only in wiring appliances, such as junction boxes, outlet boxes, etc., and such boxes shall be metallic and shall be gas tight.

(5) Lighting fixtures shall be of approved type.

(6) Electric motors shall be of approved type either totally enclosed or ventilated to the atmosphere by suction and discharge air ducts.

(c) Stacks of vessels shall not be cleaned while vessel is moored to an oil dock.

(d) Tank covers, ullage holes and butterworth plates shall, unless tanks are gas free, be kept closed under the following conditions:

(1) During transit.

(2) While self-propelled vessels are directly alongside, or any source of vapor ignition is present or in close proximity to tanks.

(3) Unless special permission has been granted by Canal authorities to open tanks: Provided, That ullage plugs may be removed when necessary for the purpose of gauging or sampling, or during cargo transfer operations.

(4) No cargo tank hatches, ullage holes, or butterworth plates shall be opened or shall remain open without flame screens, except under the supervision of the senior members of the crew on duty, unless the tank opened is gas free.

(e) No pitch, tar, turpentine, or other combustible shall be boiled on any pier or on board any vessel without permission of the Port Captain.

(f) All doors, air ports, etc., in compartments on weather deck that are facing or adjacent to cargo tanks and where fires, open flames, or other sources of vapor ignition exist shall be kept closed while in Canal Zone waters on all tank vessels that are not gas free.

(g) Riveting, burning, welding or like fire-producing operations shall not be undertaken within or on the boundaries of bulk cargo spaces or in spaces adjacent thereto until an inspection has been made by an authorized Canal Zone chemist to determine that such operations can be undertaken with safety.

(h) Tank vessels equipped to carry Grade "A", "B", "C", or "D" liquids shall have their galleys, living quarters, general cargo spaces, boiler rooms, and

enclosed spaces containing propelling machinery, or other machinery where sources of vapor ignition are normally present, segregated from their cargo tanks by cofferdams or pump rooms, tanks, or air spaces.

(i) Exhaust lines from internal combustion engines, where run through the deck, or through the sides of the superstructure, shall be extended to a height of at least 4 feet above the deck. The exhaust piping shall be either insulated or water-cooled. A spark arrestor shall be installed in each exhaust line.

(j) Storage batteries shall not be located in cargo pump rooms. The space in which they are located shall be well ventilated and they shall be protected against mechanical and electrical injury.

(k) Tank vessels handling Grade “A”, "B", "C", or "D" liquids shall have their cargo pumps isolated from all sources of vapor ignition by gas tight bulkheads. Totally enclosed motors of the "explosion proof" type, motors ventilated on both the intake and exhaust by ducts to the atmosphere, and engines driven by steam shall not be considered to be sources of vapor ignition.

§ 4.119c Cargo handling; men on duty. A sufficient number of the crew shall be on duty to perform transfer operations.

The Deck Officer in charge shall see that all scuppers are properly plugged during transfer operations except on tank vessels using water for deck cooling. Sea valves shall be closed and lashed, or sealed to indicate that they should not be open during all cargo loading operations. Under no circumstances shall such valves be secured by locks.

§ 4.120a Connecting cargo hose.

Sufficient hose shall be used to provide for the movement of the vessel. When cargo hose is supported by ship's tackle, the Deck Officer in charge is responsible for raising and lowering of the hose to prevent strains and chafing or other damage to hose.

§ 4.120b Electric bonding.

A tank vessel shall be electrically connected to the shoe piping, through which the cargo is to be transferred, prior to connecting the cargo hose, and electrical

connection shall be maintained until after the cargo hose has been disconnected and any spillage removed. The Senior Deck Officer on duty shall ascertain that no hoses on board the vessel are connected or disconnected unless the bonding cable is properly connected. The Panama Canal Company Oil Plant Foreman or his representative shall be responsible for the proper connecting and disconnecting of the cable. The cable shall be furnished by the Panama Canal Company.

§ 4.120c Inspection prior to transfer of

cargo.

Prior to transfer of cargo the Senior Deck Officer on duty, who shall be a licensed officer or a certificated tankerman, shall inspect the vessel and ascertain that the following conditions exist: (a) There is a sufficient number of crew on duty.

(b) All scuppers are properly plugged. (c) Warning signs are displayed as required.

(d) Cargo hose is connected and cargo valves are set.

(e) All cargo connections for the transfer of "A", "B" and "C" cargoes have been made to the vessel's pipe lines and not through open end hose in a hatch.

(f) In transferring Grades "A", "B" and "C" cargoes that there are no fires or open flames present on the deck, or any compartment which is located on, facing, or open and adjacent to that part of the deck on which cargo hose is connected.

(g) The shore terminal or other tank vessel concerned has reported itself in readiness for transfer of cargo.

(h) All sea valves connected to the cargo piping system are closed.

(1) In transferring Grade "A", "B" and "C" cargoes, that an inspection has been made to determine whether boiler fires can be maintained with reasonable safety.

(j) In transferring Grade “A”, “B” and "C" cargoes that an inspection has been made to determine whether galley fires can be maintained with reasonable safety.

(k) No repair work in way of cargo spaces is being carried on without permission of the proper Panama Canal authority.

(1) That bonding cable has been properly connected.

§ 4.121

Declaration of inspection.

After completing the inspection required by § 4.120c and prior to giving his approval to start the cargo transfer operation, the Master or Senior Deck Officer on duty shall fill in the following Declaration of Inspection in duplicate. The original of the Declaration of Inspection shall be kept aboard for the information of authorized persons. The duplicate

shall be available to the Panama Canal Company Oil Plant Foreman or his representative who shall on demand be given the opportunity to satisfy himself that the condition of the vessel is as stated in the Declaration of Inspection. DECLARATION OF INSPECTION PRIOR TO BULK CARGO TRANSFER

(Signature)

being the master or Senior Deck Officer in charge of the transfer of bulk inflammable and combustible cargo about to be undertaken, do certify that I have personally inspected this vessel with reference to the following requirements set forth in § 4.120c and that opposite each of them I have indicated that the Regulations have been complied with:

(a) Is there a sufficient number of crew on duty?

(b) Are all scuppers properly plugged? (c) Are warnings displayed as required?

(d) Is cargo hose of sufficient length properly connected and supported, and are cargo valves properly set?

(e) Have all cargo hose connections for transferring Grade "A", "B", and "C" cargoes been made to the vessel's pipe lines?

(f) Are there any fires or open flames present on the deck or in any compartment which is located, on, facing, open and adjacent to that part of the deck on which the cargo hose is connected?

(g) Has the shore terminal or other tank vessel concerned reported itself in readiness for transfer of cargo?

(h) Are seat valves connected to the cargo piping system closed?

(1) If Grade "A", "B" and "C" cargoes are to be transferred and the boiler fires are lighted, has an inspection been made to determine that they may be operated with reasonable safety?

(1) If Grade "A", "B" and "C" cargoes are to be transferred and galley fires are lighted, has an inspection been made to determine that they may be operated with reasonable safety?

(k) Is there any repair work in way of cargo spaces being carried on for which permission has not been given?

(1) Has bonding cable been connected?

§ 4.121a Duties of Senior Deck Officer during transfer operations.

The Senior Deck Officer on duty shall control the operations as follows:

(a) Supervise the operations of cargo system valves.

(b) Start transfer of cargo slowly. (c) Observe hose and connections for leakage.

(d) Observe operating pressure on cargo system.

(e) Observe rate of loading for the purpose of avoiding overflow of tanks.

(f) Ascertain that ship's valves shall not be closed against loading pressure during loading operations until Panama Canal Company Oil Plant Foreman has been notified.

§ 4.121b When transfer operations may not be commenced or continued. Conditions under which transfer operations shall not be commenced or, if started, shall be discontinued:

(a) During severe electrical storms.

(b) If a fire occurs on the wharf or on the tanker or in the vicinity.

(c) If a self-propelled vessel comes alongside in way of cargo tanks of a tanker or tank barge which is transferring Grade "A", "B", and "C" cargo.

(d) When another vessel is being moored to a terminal wharf where a tank vessel is transferring cargo, if in the judgment of the Master or Senior Deck Officer on duty and the Panama Canal Company Oil Plant Foreman or his representative conditions arise under which continued operations may be hazardous. § 4.121c Mooring vessels;

alongside

handling cargo across deck of another vessel.

No vessel shall be moored alongside of another vessel while the latter is transferring grade "A", "B" or "C" cargoes. Grade "A", "B" or "C" cargoes shall not be handled across the deck of another vessel except in the case of United States Government vessels when Military Service Officials advise the Port Captain of military need for such action and the Port Captain approves.

§ 4.122 Deck officer to be on duty.

There shall be a deck officer on duty and readily available at all times during bunkering or cargo transfer operations. § 4.122a Transfer of cargo from vessel

to vessel.

Transfer of Grade "A", "B" or "C" cargoes from vessel to vessel shall not be permitted in Canal Zone waters except under emergency conditions or military service need: Provided, That before such transfers are made permission must be obtained from the Port Captain or his representative. Grade "D” and “E” cargoes shall not be transferred from ship to ship unless special permission has been obtained from the Port Captain, or his representative.

§ 4.122b Loading through open end hoses.

Grade "D" and "E" cargoes may be loaded through open end hoses into tanks qualified to carry Grade "D" and "E" cargoes. This manner of loading Grade "D" and "E" cargoes shall not be permitted into tanks that have formerly carried Grades "A", "B" or "C" cargoes unless the tanks have been gas freed since last carrying Grades "A", "B" or "C" cargoes: Provided, That the following procedure shall be followed:

(a) At start of loading the hose shall extend to the bottom of the tank, and unloading end of hose shall be kept submerged until completion of loading operations.

(b) Necessary precautions shall be taken to prevent excessive movement of the hose.

§ 4.123b Responsibility for connections and operations.

Responsibility for all connections and operations aboard the vessel during bunkering or cargo transfer operations remains with the vessel's crew.

§ 4.124 Transfer of package goods, freight, and ship's stores.

(a) Package goods, freight and ship's stores shall not be loaded or discharged during the transfer of Grade "A", "B" or "C" cargoes until an inspection by the Senior Deck Officer on duty and the Panama Canal Company Oil Plant Foreman has been made, and in their judgment such loading or discharging can be done with reasonable safety. Explosives as cargo shall not be loaded or carried on any tank vessel containing "A", "B" or "C" cargo.

(b) Before loading or unloading package goods, freight or stores in any compartment near or adjacent to tanks carrying Grade "A", "B" or "C" cargoes, inspection shall be made by an authorized Canal Zone chemist to determine whether in his judgment the handling of such package goods, freight or stores is reasonably safe. Where package goods and general cargo is carried directly over bulk cargo tanks, it shall be properly dunnaged to prevent chafing of metal parts and securely lashed or stowed, and such space shall be adequately ventilated. Blowers or ventilators fitted with heads for natural ventilation will be approved for this purpose.

(c) Grade "A", "B", "C" or "D" cargo in containers shall be marked and packaged in accordance with United States Interstate Commerce Commission regulations or regulations as established by any other recognized governmental agency. These containers shall stowed in accordance with United States Coast Guard regulations or regulations as established by any other recognized governmental agency.

be

(d) Package goods, freight or stores shall not be handled over a cargo hose while hose is in service and under pres

sure.

§ 4.124a Cargo handling equipment.

(a) Where a cargo pump is capable of developing a pressure exceeding 125 pounds at the pump under shut-off head conditions, a suitable relief valve shall be installed between the pump and the