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49 CFR 178.270-9 - Inspection openings. | Regulus

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Point-in-time view requested for 1998-10-01. Showing the nearest checked snapshot on or before that date: 1998-10-01.Return to current

Regulation documentation

49 CFR Part 178

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titleTitle 49 — Transportation subtitleSubtitle B — Other Regulations Relating to Transportation chapterChapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation subchapterSubchapter C — Hazardous Materials Regulations partPart 178 subpartSubpart H—Specifications for Portable Tanks

46 sections

Subpart H—Specifications for Portable Tanks24

§ 178.245-1Requirements for design and construction.§ 178.245-2Material.§ 178.245-3Design pressure.§ 178.245-4Tank mountings.§ 178.245-5Protection of valves and accessories.§ 178.245-6Name plate.§ 178.245-7Report.§ 178.270-1Specification requirements for IM 101 and IM 102 steel portable tanks.§ 178.270-2General.§ 178.270-3Materials of construction.§ 178.270-4Structural integrity.§ 178.270-5Minimum thickness of shells and heads.§ 178.270-6Tank supports, frameworks and lifting attachments.§ 178.270-7Joints in tank shells.§ 178.270-8Protection of valves and accessories.§ 178.270-9Inspection openings.§ 178.270-10External design pressure.§ 178.270-11Pressure and vacuum relief devices.§ 178.270-12Valves, nozzles, piping, and gauging devices.§ 178.270-13Testing.§ 178.270-14Marking of tanks.§ 178.271-1General requirements.§ 178.272-1General requirements.§ 178.272-2Minimum thickness of shells and heads.

Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials39

§ 178.352-1General requirements.§ 178.352-2Rated capacity.§ 178.352-3General construction requirements.§ 178.352-4Welding.§ 178.352-5Closure.§ 178.352-6Markings.§ 178.354-1General requirements.§ 178.354-2Rated capacity.§ 178.354-3General construction requirements.§ 178.354-4Closure.§ 178.354-5Markings.§ 178.356-1General requirements.§ 178.356-2Materials of construction and other requirements.§ 178.356-3Tests.§ 178.356-4Required markings.§ 178.356-5Typical assembly detail.§ 178.358-1General requirements.§ 178.358-2Materials of construction and other requirements.§ 178.358-3Modification of Specification 21PF-1 overpacks.§ 178.358-4Construction of Specification 21PF-1B overpacks.§ 178.358-5Required markings.§ 178.358-6Typical assembly detail.§ 178.360-1General requirements.§ 178.360-2Manufacture.§ 178.360-3Dimensions.§ 178.360-4Closure devices.§ 178.362-1General requirements.§ 178.362-2Materials of construction.§ 178.362-3Closure.§ 178.362-4Tests.§ 178.362-5Painting.§ 178.362-6Marking.§ 178.362-7Typical assembly sketches.§ 178.364-1General requirements.§ 178.364-2Materials of construction and other requirements.§ 178.364-3Closure.§ 178.364-4Tests.§ 178.364-5Required marking.§ 178.364-6Typical assembly detail.

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Subpart H—Specifications for Portable Tanks24

§ 178.245-1Requirements for design and construction.§ 178.245-2Material.§ 178.245-3Design pressure.§ 178.245-4Tank mountings.§ 178.245-5Protection of valves and accessories.§ 178.245-6Name plate.§ 178.245-7Report.§ 178.270-1Specification requirements for IM 101 and IM 102 steel portable tanks.§ 178.270-2General.§ 178.270-3Materials of construction.§ 178.270-4Structural integrity.§ 178.270-5Minimum thickness of shells and heads.§ 178.270-6Tank supports, frameworks and lifting attachments.§ 178.270-7Joints in tank shells.§ 178.270-8Protection of valves and accessories.§ 178.270-9Inspection openings.§ 178.270-10External design pressure.§ 178.270-11Pressure and vacuum relief devices.§ 178.270-12Valves, nozzles, piping, and gauging devices.§ 178.270-13Testing.§ 178.270-14Marking of tanks.§ 178.271-1General requirements.§ 178.272-1General requirements.§ 178.272-2Minimum thickness of shells and heads.

Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials39

§ 178.352-1General requirements.§ 178.352-2Rated capacity.§ 178.352-3General construction requirements.§ 178.352-4Welding.§ 178.352-5Closure.§ 178.352-6Markings.§ 178.354-1General requirements.§ 178.354-2Rated capacity.§ 178.354-3General construction requirements.§ 178.354-4Closure.§ 178.354-5Markings.§ 178.356-1General requirements.§ 178.356-2Materials of construction and other requirements.§ 178.356-3Tests.§ 178.356-4Required markings.§ 178.356-5Typical assembly detail.§ 178.358-1General requirements.§ 178.358-2Materials of construction and other requirements.§ 178.358-3Modification of Specification 21PF-1 overpacks.§ 178.358-4Construction of Specification 21PF-1B overpacks.§ 178.358-5Required markings.§ 178.358-6Typical assembly detail.§ 178.360-1General requirements.§ 178.360-2Manufacture.§ 178.360-3Dimensions.§ 178.360-4Closure devices.§ 178.362-1General requirements.§ 178.362-2Materials of construction.§ 178.362-3Closure.§ 178.362-4Tests.§ 178.362-5Painting.§ 178.362-6Marking.§ 178.362-7Typical assembly sketches.§ 178.364-1General requirements.§ 178.364-2Materials of construction and other requirements.§ 178.364-3Closure.§ 178.364-4Tests.§ 178.364-5Required marking.§ 178.364-6Typical assembly detail.

Related 0 Definitions History 8 Authority 8

RegulationsTitle 49Subtitle BChapter ISubchapter CPart 178Subpart H—Specifications for Portable Tanks49 CFR 178.270-9

Regulationhistorical

49 CFR 178.270-9

Inspection openings.

Snapshot 1998-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

2 passages

Each portable tank must be fitted with a manhole or other inspection opening sited above the maximum liquid level to allow for complete internal inspection and adequate access for maintenance and repair of the interior. Each portable tank with a capacity of more than 1894 liters (500 gallons) must be fitted with an elliptical or round manhole at least 279 × 381 millimeters (11 × 15 inches), or 254 × 405 millimeters (10 × 16 inches), or with a circular manhole at least 381 millimeters (15 inches) in diameter. Any inspection opening and closure must be designed and reinforced as required by the ASME Code.

[Amdt. 178-65, 46 FR 9896, Jan. 29, 1981, as amended by Amdt. 178-104, 59 FR 49135, Sept. 26, 1994]

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Retrieved: Aug 13, 2026
Version: 1998-10-01

ab3806829914992592…