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49 CFR 193.2171 - Sump basins. | Regulus

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49 CFR Part 193

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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 D — Pipeline Safety partPart 193 subpartSubpart C—Design

73 sections

Subpart B—Siting Requirements6

§ 193.2061Seismic investigation and design forces.§ 193.2063Flooding.§ 193.2065Soil characteristics.§ 193.2069Other severe weather and natural conditions.§ 193.2071Adjacent activities.§ 193.2073Separation of facilities.

Subpart C—Design57

§ 193.2103General.§ 193.2105Extreme temperatures: normal operations.§ 193.2107Extreme temperatures: emergency conditions.§ 193.2109Insulation.§ 193.2111Cold boxes.§ 193.2113Piping.§ 193.2115Concrete subject to cryogenic temperatures.§ 193.2117Combustible materials.§ 193.2121General.§ 193.2123Valves.§ 193.2125Automatic shutoff valves.§ 193.2127Piping.§ 193.2129Piping attachments and supports.§ 193.2131Building design.§ 193.2133Buildings: ventilation.§ 193.2135Expansion or contraction.§ 193.2137Frost heave.§ 193.2139Ice and snow.§ 193.2141Electrical systems.§ 193.2143Lightning.§ 193.2145Boilers and pressure vessels.§ 193.2147Combustion engines and turbines.§ 193.2149Impoundment required.§ 193.2151General design characteristics.§ 193.2153Classes of impounding systems.§ 193.2157Coatings and coverings.§ 193.2159Floors.§ 193.2163Vapor barriers.§ 193.2165Dike dimensions.§ 193.2169Gas leak detection.§ 193.2171Sump basins.§ 193.2175Shared impoundment.§ 193.2179Impoundment capacity: general.§ 193.2183Impoundment capacity: equipment and transfer systems.§ 193.2185Impoundment capacity: parking areas, portable containers.§ 193.2189Loading forces.§ 193.2191Stratification.§ 193.2193Movement and stress.§ 193.2195Penetrations.§ 193.2197Internal design pressure.§ 193.2199External design pressure.§ 193.2201Internal temperature.§ 193.2203Foundation.§ 193.2205Frost heave.§ 193.2207Insulation.§ 193.2209Instrumentation for LNG storage tanks.§ 193.2211Metal storage tanks.§ 193.2213Concrete storage tanks.§ 193.2215Thermal barriers.§ 193.2217Support system.§ 193.2219Internal piping.§ 193.2221Marking.§ 193.2223General.§ 193.2227Backflow.§ 193.2229Cargo transfer systems.§ 193.2231Cargo transfer area.§ 193.2233Shutoff valves.

Subpart D—Construction12

§ 193.2305Procedures.§ 193.2307Inspection.§ 193.2309Inspection and testing methods.§ 193.2311Cleanup.§ 193.2313Pipe welding.§ 193.2315Piping connections.§ 193.2317Retesting.§ 193.2319Strength tests.§ 193.2323Leak tests.§ 193.2325Testing control systems.§ 193.2327Storage tank tests.§ 193.2329Construction records.

Subpart E—Equipment18

§ 193.2403General.§ 193.2405Vaporizer design.§ 193.2407Operational control.§ 193.2409Shutoff valves.§ 193.2411Relief devices.§ 193.2413Combustion air intakes.§ 193.2415General.§ 193.2417Control of incoming gas.§ 193.2419Backflow.§ 193.2421Cold boxes.§ 193.2423Air in gas.§ 193.2427General.§ 193.2429Relief devices.§ 193.2431Vents.§ 193.2433Sensing devices.§ 193.2435Warning devices.§ 193.2437Pump and compressor control.§ 193.2439Emergency shutdown control systems.

Subpart I—Fire Protection10

§ 193.2803General.§ 193.2805Fire prevention plan.§ 193.2807Smoking.§ 193.2809Open fires.§ 193.2811Hotwork.§ 193.2813Storage of flammable fluids.§ 193.2815Motorized equipment.§ 193.2817Fire equipment.§ 193.2819Gas detection.§ 193.2821Fire detection.

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Subpart B—Siting Requirements6

§ 193.2061Seismic investigation and design forces.§ 193.2063Flooding.§ 193.2065Soil characteristics.§ 193.2069Other severe weather and natural conditions.§ 193.2071Adjacent activities.§ 193.2073Separation of facilities.

Subpart C—Design57

§ 193.2103General.§ 193.2105Extreme temperatures: normal operations.§ 193.2107Extreme temperatures: emergency conditions.§ 193.2109Insulation.§ 193.2111Cold boxes.§ 193.2113Piping.§ 193.2115Concrete subject to cryogenic temperatures.§ 193.2117Combustible materials.§ 193.2121General.§ 193.2123Valves.§ 193.2125Automatic shutoff valves.§ 193.2127Piping.§ 193.2129Piping attachments and supports.§ 193.2131Building design.§ 193.2133Buildings: ventilation.§ 193.2135Expansion or contraction.§ 193.2137Frost heave.§ 193.2139Ice and snow.§ 193.2141Electrical systems.§ 193.2143Lightning.§ 193.2145Boilers and pressure vessels.§ 193.2147Combustion engines and turbines.§ 193.2149Impoundment required.§ 193.2151General design characteristics.§ 193.2153Classes of impounding systems.§ 193.2157Coatings and coverings.§ 193.2159Floors.§ 193.2163Vapor barriers.§ 193.2165Dike dimensions.§ 193.2169Gas leak detection.§ 193.2171Sump basins.§ 193.2175Shared impoundment.§ 193.2179Impoundment capacity: general.§ 193.2183Impoundment capacity: equipment and transfer systems.§ 193.2185Impoundment capacity: parking areas, portable containers.§ 193.2189Loading forces.§ 193.2191Stratification.§ 193.2193Movement and stress.§ 193.2195Penetrations.§ 193.2197Internal design pressure.§ 193.2199External design pressure.§ 193.2201Internal temperature.§ 193.2203Foundation.§ 193.2205Frost heave.§ 193.2207Insulation.§ 193.2209Instrumentation for LNG storage tanks.§ 193.2211Metal storage tanks.§ 193.2213Concrete storage tanks.§ 193.2215Thermal barriers.§ 193.2217Support system.§ 193.2219Internal piping.§ 193.2221Marking.§ 193.2223General.§ 193.2227Backflow.§ 193.2229Cargo transfer systems.§ 193.2231Cargo transfer area.§ 193.2233Shutoff valves.

Subpart D—Construction12

§ 193.2305Procedures.§ 193.2307Inspection.§ 193.2309Inspection and testing methods.§ 193.2311Cleanup.§ 193.2313Pipe welding.§ 193.2315Piping connections.§ 193.2317Retesting.§ 193.2319Strength tests.§ 193.2323Leak tests.§ 193.2325Testing control systems.§ 193.2327Storage tank tests.§ 193.2329Construction records.

Subpart E—Equipment18

§ 193.2403General.§ 193.2405Vaporizer design.§ 193.2407Operational control.§ 193.2409Shutoff valves.§ 193.2411Relief devices.§ 193.2413Combustion air intakes.§ 193.2415General.§ 193.2417Control of incoming gas.§ 193.2419Backflow.§ 193.2421Cold boxes.§ 193.2423Air in gas.§ 193.2427General.§ 193.2429Relief devices.§ 193.2431Vents.§ 193.2433Sensing devices.§ 193.2435Warning devices.§ 193.2437Pump and compressor control.§ 193.2439Emergency shutdown control systems.

Subpart I—Fire Protection10

§ 193.2803General.§ 193.2805Fire prevention plan.§ 193.2807Smoking.§ 193.2809Open fires.§ 193.2811Hotwork.§ 193.2813Storage of flammable fluids.§ 193.2815Motorized equipment.§ 193.2817Fire equipment.§ 193.2819Gas detection.§ 193.2821Fire detection.

Related 2 Definitions History 3 Authority 5

RegulationsTitle 49Subtitle BChapter ISubchapter DPart 193Subpart C—Design49 CFR 193.2171

Regulationhistorical

49 CFR 193.2171

Sump basins.

Current as of 1999-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

1 passages

Except for Class 1 impounding systems, a sump basin must be located in each impounding system for collection of water.

Previous§ 193.2169 Next§ 193.2175

Related 2 Definitions History 3 Authority 5 Community

Treatment labels are shown only when backed by an indexed source relationship. Event dates link to official evidence.

mentions

mentions

1999-10-01snapshot

Official annual CFR edition 1999-10-01

1998-10-01snapshot

Official annual CFR edition 1998-10-01

1996-10-01snapshot

Official annual CFR edition 1996-10-01

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Record details

Retrieved: Aug 12, 2026
Version: 1999-10-01

5258ddb1533cdf67ff…