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spection, and shall be in accordance with the regulations in effect for new construction insofar as possible. When minor alterations or minor repairs of tank vessels become necessary such work shall be under the direction of the Officer in Charge. Marine Inspection, and shall be in accordance with the regulations in effect at the time the vessel was contracted for or built, or in accordance with the regulations in effect for new construction insofar as possible.

$ 30.01-15 Effective date of regulationsTB/ALL. (a) The regulations in this subchapter are effective on and after November 10, 1936; Provided, That amendments, revisions, or additions shall become effective ninety (90) days after the date of publication in the FEDERAL REGISTER unless the Commandant shall fix a different time.

(b) The regulations in this subchapter are not retroactive in effect unless specifically made so at the time the regulations are issued. Changes in specification requirements of articles of equipment, or materials used in construction of tank vessels, shall not apply to such items which have been passed as satisfactory until replacement shall become necessary, unless a specific finding is made that such equipment or material used is unsafe or hazardous and has to be removed from tank vessels.

SUBPART 30.10—DEFINITIONS $ 30.10–1 Definition of termsTB/ ALL. Certain terms used in the regulations in this subchapter are defined in this subpart.

$ 30.10–3 ApprovedTB/ALL. The term "approved" means approved by the Commandant unless otherwise stated.

$ 30.10–5 Cargo-TB/ALL. The term "cargo" means combustible liquid, infiammable liquid, or liquefied inflammable gas unless otherwise stated.

$ 30.10–7 CertificatedTB/ALL. The term "certificated” when applied to tank vessels refers to a vessel covered by a certificate of inspection issued by the Coast Guard; when applied to men employed on tank vessels, the term refers to a certificate of ability issued by the Coast Guard.

$ 30.10-9 Classification requirementsTB/ALL. The term "classification requirements” means applicable rules and supplementary requirements

of the American Bureau of Shipping, or other recognized classification society.

$ 30.10–11 CoastwiseTB/C. Under this designation shall be included all tank vessels normally navigating the waters of any ocean or the Gulf of Mexico 20 nautical miles or less offshore.

§ 30.10-13 Cofferdam-TB/ALL. The term "cofferdam" means a void or empty space separating two or more compartments for the purpose of isolation or to prevent the contents of one compartment from entering another in the event of the failure of the walls of one to retain their tightness.

$ 30.10–15 Combustible liquidTB/ ALL. The term "combustible liquid" means any liquid having a flash point above 80° F. (as determined from an open-cup tester, as used for test of burning oils). Combustible liquids having lethal qualities are those having the characteristics of class "B" or "C" poisons as defined in $$ 146.25–3 and 146.25–5 of Subchapter N, Explosives or Other Dangerous Articles on Board Vessels, of this chapter. In the regulations of this subchapter, combustible liquids are referred to by grades, as follows:

(a) Grade D. Any combustible liquid having a flash point below 150° F. and above 80° F.

(b) Grade E. Any combustible liquid having a flash point of 150° F. or above.

$ 30.10–17 Commandant-T B/ALL. The term "Commandant" means the Commandant of the Coast Guard.

$ 30.10-19 Coast Guard District Commander-TB/ALL. The term "Coast Guard District Commander" means an officer of the Coast Guard designated as such by the Commandant to command all Coast Guard activities within his district which include the enforcement and administration of Title 52, R. S., acts amendatory thereof or supplemental thereto, rules and regulations thereunder and the inspections required thereby.

§ 30.10-23 Flame arrester-TB/ALL. The term "flame arrester" means any device or assembly of a cellular, tubular, pressure, or other type used for preventing the passage of flames into enclosed spaces.

$ 30.10-25 Flame screenTB/ALL. The term "flame screen" means a single screen of corrosion-resistant wire of at least 30 by 30 mesh, or two screens, both of corrosion-resistant wire, of at least 20 by 20 mesh, spaced not less than 1/2 inch or more than 1%2 inches apart.

$ 30.10-27 Flash point TB/ALL. The term "flash point” indicates the temperature in degrees Fahrenheit at which a liquid gives off an inflammable vapor when heated in an open-cup tester. For the purpose of the regulations in this subchapter, flash points determined by other testing methods will be equivalent to those determined with an open-cup tester, as follows:

TABLE 30.10-27-EQUIVALENT Flash Points

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$ 30.10-29 Gas freeTB/ALL. The term “gas free" means free from dangerous concentrations of inflammable or toxic gases.

8 30.10-31 General rules and regulationsTB/ALL. The term "general rules and regulations" means the requirements contained in this chapter.

$ 30.10–33 Great LakesTB/L. Under this designation shall be included all tank vessels navigating the Great Lakes.

$ 30.10–35 Headquarters TB/ALL. The term "Headquarters" means the Office of the Commandant, U. S. Coast Guard, Washington, D. C.

$ 30.10-37 Inflammable liquidTB/ ALL. The term "inflammable liquid" means any liquid which gives off inflammable vapors (as determined by flash point from an open-cup tester, as used for test of burning oils) at or below a temperature of 80* F. Inflammable liquids having lethal qualities are those having the characteristics of class "B" or "C" poisons as defined in $$ 146.25-3 and 146.25–5, of Subchapter N, Explosives or Other Dangerous Articles On Board Vessels of this chapter. Inflammable liquids are referred to by grades as follows:

(a) Grade A. Any inflammable liquid having a Reid' vapor pressure of 14 pounds or more.

(b) Grade B. Any inflammable liquid having a Reid vapor pressure under 14 pounds and over 8%2 pounds.

(c) Grade C. Any inflammable liquid having a Reid vapor pressure of 812 pounds or less and a flash point of 80° F. or below.

§ 30.10-39 Liquefied inflammable gasTB/ALL. The term "liquefied inflammable gas" means any inflammable gas having a Reid vapor pressure exceeding 40 pounds which has been compressed and liquefied for purposes of transportation. In this subchapter, liquefied inflammable gases are referred to by classes as follows:

(a) Class 1. Any liquefied petroleum gas, including gases or mixtures of gases produced with or derived from petroleum or natural gas, and composed predominantly by hydrocarbons or mixtures of hydrocarbons such as propane, propylene, butane, butylene, or butadiene.

(b) Class 2. Any liquefied inflammable gas other than liquefied petroleum gas.

$ 30.90-41 Lakes, bays, and soundsTB/B. Under this designation shall be included all tank vessels navigating the waters of any of the lakes, bays, or sounds other than the waters of the Great Lakes.

$ 30.10-43 Marine inspector or inspectorTB/ALL. The terms "marine inspector" or "inspector" mean any person from the civilian or military branch of the Coast Guard assigned under the superintendence and direction of an oificer in Charge, Marine Inspection, or any other person as may be designated for the performance of duties with respect to the enforcement and administration of Title 52, R S., acts amendatory thereof or supplemental thereto, rules and regulations thereunder, and the inspections required thereby.

330.10-45 OceanTB/O. Under this designation shall be included all tank vessels normally navigating the waters of any ocean or the Gulf of Mexico more than 20 nautical miles offshore.

1 American Society for Testing Materials Standard D-323 (most recent revision). Method of Test for Vapor Pressure of Petroleum Products (Reld Method).

$ 30.10-47 Officer in Charge, Marine InspectionTB/ALL. The term “Offcer in charge, Marine Inspection,' means any person from the civilian or military branch of the Coast Guard designated as such by the Commandant and who under the superintendence and direction of the Coast Guard District Commander is in charge of an inspection zone for the performance of duties with respect to the enforcement and administration of Title 52, R. S., acts amendatory thereof or supplemental thereto, rules and regulations thereunder and the inspections required thereby.

$ 30.10-49 PermitTB/ALL. The term “permit” refers to endorsement on the certificate of inspection, authorizing the presence on board of liquid inflammable or combustible cargoes in bulk, issued by an Officer in Charge, Marine Inspection, for a tank vessel which is found to be in substantial compliance with the regulations in this subchapter.

$ 30.10–53 Pilot Rule sTB/ALL. The term "Pilot Rules" means the regulations contained in Parts 80 to 100, inclusive, in Chapter I, Title 33, Code of Federal Regulations. These Pilot Rules are also published by the Coast Guard in three pamphlets according to the waters on which applicable; namely,

(a) Rules to Prevent Collisions of Vessels and Pilot Rules for Certain Inland Waters of the Atlantic and Pacific Coasts and of the Coast of the Gulf of Mexico;

(b) Pilot Rules for the Great Lakes and Their Connecting and Tributary Waters and the St. Marys River; and,

(c) Pilot Rules for the Western Rivers and the Red River of the North.

$ 30.10–55 Pressure vacuum relief valveTB/ALL. The term “pressure vacuum relief valve" means any device or assembly of a mechanical, liquid, weight, or other type used for the automatic regulation of pressure or vacuum in enclosed places.

§ 30.10–57 Recognized classification society-TB/ALL. The term "recognized classification society" means the American Bureau of Shipping or other classification society recognized by the Commandant.

§ 30.10-59 Reid vapor pressureTB/ALL. The term “Reid vapor pressure" means the vapor pressure of a

liquid at a temperature of 100° F., expressed in pounds per square inch absolute, as determined by the "Reid Method" as described in the American Society for Testing Materials Standard D-323 (most recent evision), Method of Test for Vapor Pressure of Petroleum Products. This Standard is available at Headquarters for reading purposes or it may be purchased from the Society in Philadelphia, Pa.

$ 30.10-61 RiversTB/R. Under this designation shall be included all tank vessels whose navigation is restricted to rivers and/or to canals, exclusively.

$ 30.10–63 Spark arrester-TB/ALL, The term "spark arrester" means any device, assembly, or method of a mechanical, centrifugal, cooling, or other type and of a size suitable for the retention or quenching of sparks in exhaust pipes from internal combustion engines.

$ 30.10–65 Tank barge-B/ALL. The term “tank barge” means any tank vessel not equipped with means of self-propulsion.

$ 30.10-67 Tank ship-T/ALL. The term “tank ship" means any tank vessel propelled by power or sail.

$ 30.10-69 Tank vesselTB/ALL. The term "tank vessel" means any vessel especially constructed or converted to carry liquid bulk cargo in tanks.

$ 30.10-71 Tankerman TB/ALL. The term "tankerman" means any person holding a certificate issued by the Coast Guard attesting to his competency in the handling of inflammable or combustible liquid cargo in bulk or is any person holding a valid license as master, mate, pilot, or engineer. SUBPART 30.20_ENFORCEMENT AND RIGHTS

OF APPEAL $ 30.20–1 Enforcement TB/ALL. The Officer in Charge, Marine Inspection, under the superintendence of the Coast Guard District Commander, is responsible for the performance of duties within his jurisdiction with respect to the enforcement and administration of Title 52, R. S., acts amendatory thereof or supplemental thereto, rules and regulations thereunder, and the inspections required thereby.

$ 30.20-10 Penalties for violations of tank vessel regulationsTB/ALL. (a)

The provisions of R. S. 4417a, as amend

Subpart 31.10_Inspections ed (46 U. S. C. 391a) provide the follow- Sec. ing penalty:

31.10-1 Recognized classification society

TB/ALL. (7) The owner, master, or person in 31.10-5 Inspection of new tank vessels charge of any vessel subject to the provi

TB/ALL. sions in this section, or any or all of them, 31.10-10 Vessels converted to tank vesselswho shall violate the provisions of this sec

TB/ALL. tion, or of the rules and regulations estab- 31.10–15 Annual inspection-TB/ALL. lished hereunder, shall be subject to a fine 31.10-20 Drydocking or hauling out—TB/of not more than $1,000 or imprisonment for

ALL. not more than one year, or both such fine 31.10-23 Examination of tall shaft-T/OC. and penalty.

31.10–25 Inspection covering repairs and

alterations involving safety-(b) Certificates of inspection for tank

TB/ALL. vessels may also be revoked or suspended

31.10-30 Stability test-TB/ALL. by the Coast Guard where such process

31.10-31 Stability tests-T/OC. is authorized by law. This may occur if

31.10-35 Permit to proceed to other ports

for repairs—TB/ALL. the vessel does not meet the require- 31.10-40 Inspection during trial trip-T/ments of law or regulations in this chap

ALL. ter or if there is a failure to maintain the

31.10-45 Inspection of crew accommodasafety requirements requisite to the is

tions—TB/ALL. suance of a certificate of inspection.

Subpart 31.15—Manning of Tank Vessels $ 30.20-50 Right of appealTB/ALL.

31.15-1 Licensed officers and crews--TB/

ALL. Whenever any person directly interested

31.15-5 Tank barges-B/ALL in or affected by any decision or action

31.15–10 Towing vessels may carry persons of any Officer in Charge, Marine Inspec

in addition to crew-B/LBR. tion, shall feel aggrieved by such decision or action, he may appeal therefrom

Subpart 31.20—Waters Operated Over to the Coast Guard District Commander

31.20-1 Waters-TB/ALL. having jurisdiction and a like appeal

Subpart 31.25—load Lines shall be allowed from any decision or

31.25-1 action of the Coast Guard District Com

Load Ilnes required--TB/OCL. mander to the Commandant, whose de

Subpart 31.30—Marine Engineering cision shall be final: Provided, however, 31.30-1 Marine engineering regulations and That application for such reexamination

material specifications—TB/ALL. of the case by a Coast Guard District

AUTHORITY: $$ 31.01-1 to 31.30-1 Issued Commander or by the Commandant

under R. S. 4405, as amended, 4417a, AS shall be made within 30 days after the amended. 4462, as amended: 46 U. 8. C. 375, decision or action appealed from shall 391a, 416. Interpret or apply sec. 5, 65 Stat. have been rendered or taken.

241, 245, as amended; 50 U. S. C. App. 1275; E. O. 10402, 17 F. R. 9917; 3 CFR, 1952 Supp.

SOURCE: $$ 3101-1 to 31.30-1 contained in Part 31-Inspection and CGFR 50-31, 16 F. R. 1516. Feb. 14, 1951, Certification

except as otherwise noted.

SUBPART 31.01-GENERAL
Subpart 31.01—General
Gec.

$31.01-1 Inspections requiredTB/ 31.01-1 Inspections required-TB/ALL.

ALL. (a) Every tank vessel subject to 31.01-10 Authority of marine Inspectors

the regulations in this subchapter shall TB/ALL. 31.01-15 Application for annual Inspec

be inspected annually, or oftener if nection-TB/ALL.

essary, by the Coast Guard to see that 31.01-20 Application for inspection of new the hull, boilers, machinery, equipment,

tank vessel or conversion of a apparatus for storage, and appliances of vessel to a tank vessel—TB/ALL. the vessel comply with the marine in

spection laws and the regulations in this Subpart 31.05—Certificates of Inspection

subchapter and Subchapter E (Load 31.05-1 Issuance of certificate of inspec- Lines), Subchapter F (Marine Engineertion-TB/ALL.

ing), and Subchapter Q (Specifications) 31.05-5 Posting the certificate of Inspec

of this chapter, where applicable. tion--TB/ALL. 31.05-10 Period covered by certificate of in- (b) In the inspection of hulls of tank spection—TB/ALL.

vessels, the marine inspector will care

fully inspect every accessible part of the hull and will examine the wood or metal of which the hull is constructed to determine its condition, making all necessary hammer tests of hulls constructed of iron or steel. If the marine inspector shall not have satisfactory evidence of the soundness of the hull of a wooden tank vessel, the Officer in Charge, Marine Inspection, shall not issue a certificate of inspection until such hull has been bored or opened up to the inspector's satisfaction.

(c) Tank vessels while laid up and dismantled and out of commission are exempt from any or all inspections required by law or regulations in this subchapter.

$ 31.01-10 Authority of marine inspectorsTB/ALL. Inspectors may at any time lawfully inspect any tank vessel.

$ 31.01-15 Application for annual inspectionTB/ALL. Application in writing for the annual inspection of every tank vessel required to be inspected by law and the regulations in this subchapter shall be made by the master, owner, or agent to the Oficer in Charge, Marine Inspection, at any local marine inspection office, United States Coast Guard, where the vessel may be operating. The application should be on Form CG 833, Application for Inspection of Vessel, which requires information on name and type of vessel, nature of employment and route in which to be operated, grade or type of cargo to be carried, place where and date when the vessel may be inspected, and that no other application has been made to any Officer in Charge, Marine Inspection, since the issuance of the last valid certificate of inspection.

$ 31.01-20 Application for inspection of new tank vessel or conversion of a vessel to a tank vesselTB/ALL. Prior to the commencement of the construction of any new tank vessel, or prior io the commencement of the conversion of any vessel to a tank vessel, application for the approval of contract plans and specifications and for a certificate of inspection shall be made in writing to the Coast Guard and no such construction or conversion shall be proceeded with until such approval is granted. (See § 31.10-1.)

SUBPART 31.05–CERTIFICATES OF INSPECTION

$ 31.05-1 Issuance of certificate of inspectionTB/ALL. (a) When a tank vessel is found to comply with law and the regulations in this subchapter, and Subchapter E (Load Lines), Subchapter F (Marine Engineering), and Subchapter Q (Specifications) of this chapter, a certificate of inspection shall be issued to it, or to its owners, by the Officer in Charge, Marine Inspection.

(b) Certificates of inspection for tank vessels shall be similar in form to certificates issued to other cargo vessels, and in addition to the manning requirements and waters over which they may be operated, they shall be appropriately endorsed “Inspected and approved for the carriage of inflammable or combustible liquids of Grade A, B, C, D, or E" (as the case may be), and such endorsement shall serve as a permit for such vessel to operate. The endorsement for the carriage of liquefied inflammable gases is set forth in § 38.01-5 of this subchapter. The endorsement for the carriage of Class “B” or “C” poisonous liquids is set forth in § 39.01-5 of this subchapter.

(c) The certificate of inspection shall be verified by the oath of the inspector signing it before the chief officer of the customs of the district or any other person competent by law to administer oaths.

(d) The certificate of inspection shall be delivered to the master or owner of the tank vessel to which it relates.

$ 31.05-5 Posting the certificate of inspectionTB/ALL. The certificate of inspection shall be framed under glass and posted in a conspicuous part of the vessel, except that where it is not practicable to so expose the certificate of inspection it shall be carried in the vessel in such manner as authorized by the Officer in Charge, Marine Inspection.

$ 31.05–10 Period covered by certificate of inspectionTB/ALL Certificates of inspection for any period less than 1 year shall not be issued.

SUBPART 31.10-INSPECTIONS $ 31.10–1 Recognized classification society-TB/ALL. (a) In the inspection of hulls, boilers, and machinery, the current standards established by the American Bureau of Shipping and designated “Rules for Building and Classing Steel

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