{"operation":"document","citation":"PHMSA LNG.2022.01","title":"2022 Lng IA Question Set","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"2021-12-26","effective_on":"2021-12-26","summary":"Design and Construction - Facility Siting 1. Facility Siting Provisions Does the facility siting and layout process require that a site-specific evaluation for potential incidents must be prescribed in accordance with 193.2051? (DC.SITING.PLANTSITING.P) 193.2051","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-2022-lng-ia-question-set.json","markdown":"https://regulus.evalyn.ai/document/phmsa-2022-lng-ia-question-set.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-2022-lng-ia-question-set","source_url":"https://primis.phmsa.dot.gov/IA-Releases/ia-release-notes/notes/iac-fed.2022.01","body":"<<<PAGE 1>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\nDesign and Construction - Facility Siting\n1. Facility Siting Provisions Does the facility siting and layout process require that a site-specific evaluation for potential\nincidents must be prescribed in accordance with 193.2051? (DC.SITING.PLANTSITING.P) 193.2051\n(193.2017(a);193.2101(a);NFPA 59A (2001), Section 2.1.1;NFPA 59A (2001), Section 2.1.2;NFPA 59A (2001), Section\n2.2.3.4;NFPA 59A (2001), Section 2.2.3.5;193.2017(b);193.2017(c);193.2101(b))\n2. Facility Siting Provisions Do records indicate facility siting and layout requirements of NFPA 59A (2001), Sections\n2.2.3.2 and 2.2.3.4 were met for all hazardous liquids' (LNG, flammable refrigerants, and flammable liquids) hazards?\n(DC.SITING.PLANTSITING.R) 193.2051 (193.2101(a);193.2301;NFPA 59A (2001), Section 2.1.1;NFPA 59A (2001), Section\n2.1.2;NFPA 59A (2001), Section 2.2.3.2;NFPA 59A (2001), Section 2.2.3.4;NFPA 59A (2001), Section 2.2.3.5;193.2101(b);)\n3. Facility Siting Provisions Do field observations confirm hazardous liquid storage tanks, refrigerant storage vessels,\nand major equipment were installed at siting locations in accordance with Part 193 and NFPA 59A (2001)?\n(DC.SITING.PLANTSITING.O) 193.2051 (193.2301;NFPA 59A (2001), Section 2.1.1, 2.1.2, 2.2.3.4, and 2.2.3.5;NFPA 59A (2001),\nSection 2.1.2;NFPA 59A (2001), Section 2.2.3.4;NFPA 59A (2001), Section 2.2.3.5)\n4. Thermal Radiation Protection Does the siting and layout process require that thermal radiation exclusion zones\nmust be established in accordance with 193.2057? (DC.SITING.THERMRADPROT.P) 193.2057(a) (193.2017(a);193.2051;NFPA\n59A (2001), Section 2.2.3.2;NFPA 59A (2001), Section 2.2.3.5;193.2057(b);193.2057(c);193.2017(b);193.2017(c))\n5. Thermal Radiation Protection Do records indicate that thermal radiation exclusion zone(s) for each LNG container\nand each LNG transfer system were established in accordance with 193.2057 and NFPA 59A (2001), Section 2.2.3.2?\n(DC.SITING.THERMRADPROT.R) 193.2057(a) (193.2051;193.2101(a);193.2301;NFPA 59A (2001), Section\n2.2.3.2;193.2057(b);193.2057(c);193.2101(b);NFPA 59A (2001), Section 2.2.3.5)\n6. Thermal Radiation Protection Do field observations confirm that the distance from the impoundment system(s) to\nthe property line is consistent with the facility plot plans as described in the Hazard Analysis Report?\n(DC.SITING.THERMRADPROT.O) 193.2057(a) (193.2101(a);193.2301;193.2303;NFPA 59A (2001), Section 2.2.3.2;NFPA 59A\n(2001), Section 2.2.3.5;193.2057(b);193.2057(c);193.2101(b))\n7. Flammable Vapor-Gas Dispersion Protection Does the siting and layout process require that flammable vapor-\ngas dispersion exclusion zones must be established in accordance with 193.2059? (DC.SITING.GASDISPPROT.P) 193.2059(a)\n(193.2017(a);193.2051;NFPA 59A (2001), Sections 2.2.3.3, 2.2.3.4, and\n2.2.3.5;193.2059(b);193.2059(c);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 1 of 73\n\n<<<PAGE 2>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n8. Flammable Vapor-Gas Dispersion Protection Do records (i.e., plot plans) indicate that flammable vapor-gas\ndispersion zones were determined in accordance with the requirements of 193.2059 and NFPA 59A (2001), Sections 2.2.3.3 and\n2.2.3.4? (DC.SITING.GASDISPPROT.R) 193.2059(a) (193.2051;193.2101(a);193.2301;NFPA 59A (2001), Section 2.2.3.3;NFPA\n59A (2001), Section 2.2.3.4;NFPA 59A (2001), Section 2.2.3.5;193.2059(b);193.2059(c);193.2101(b))\n9. Flammable Vapor-Gas Dispersion Protection Do field observations verify that the flammable vapor-gas\ndispersion zone(s) were determined in accordance with 193.2059 and NFPA 59A (2001), Sections 2.2.3.3 and 2.2.3.4?\n(DC.SITING.GASDISPPROT.O) 193.2059(a) (193.2301;193.2303;NFPA 59A (2001), Section 2.2.3.3;NFPA 59A (2001), Section\n2.2.3.4;NFPA 59A (2001), Section 2.2.3.5;193.2059(b);193.2059(c))\nDesign and Construction - Facility Layout\n1. Storage Tanks Separation Distance and Layout Does the design process require minimum distances of LNG\nand flammable liquids storage tanks from property lines and buildings, and from other storage tanks as required in NFPA 59A\n(2001), Table 2.2.4.1? (DC.LAYOUT.TANKDISTANCES.P) 193.2401 (193.2017(a);193.2101(a);NFPA 59A (2001), Section\n2.2.4.1;193.2101(b);193.2017(b);193.2017(c))\n2. Storage Tanks Separation Distance and Layout Do records (i.e., plot plans) indicate the minimum distances\nof LNG and flammable liquids storage tanks from property lines and buildings, and from other storage tanks are IAW NFPA 59A\n(2001), Table 2.2.4.1? (DC.LAYOUT.TANKDISTANCES.R) 193.2401 (193.2101(a);193.2301;NFPA 59A (2001), Section\n2.2.4.1;193.2101(b))\n3. Storage Tank Isolation Valve Spacing Does the design process require a clear space of at least 3 feet for access\nto all isolation valves serving multiple containers? (DC.LAYOUT.TANKVALVE.P) 193.2401 (193.2017(a);193.2101(a);NFPA 59A\n(2001), Section 2.2.4.2;193.2017(b);193.2017(c);193.2101(b))\n4. Storage Tank Isolation Valve Spacing Do records (i.e., plot plans) indicate at least 3 feet is provided for access\nto all isolation valves serving multiple storage containers? (DC.LAYOUT.TANKVALVE.R) 193.2401 (193.2101(a);193.2301;NFPA\n59A (2001), Section 2.2.4.2;193.2101(b))\n5. Storage Tank Isolation Valve Spacing Do field observations verify a clear space of at least 3 feet is provided for\naccess to all isolation valves serving multiple storage containers? (DC.LAYOUT.TANKVALVE.O) 193.2301 (193.2303;NFPA 59A\n(2001), Section 2.2.4.2)\nJanuary 2022 LNG.2022.01 Page 2 of 73\n\n<<<PAGE 3>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n6. LNG Storage Tanks Located Outside Does the design process require LNG storage containers of greater than 125\ngallon capacity to be located external to buildings? (DC.LAYOUT.TANKOUTSIDE.P) 193.2401 (193.2017(a);193.2301;NFPA 59A\n(2001), Section 2.2.4.3;193.2017(b);193.2017(c))\n7. LNG Storage Tanks Located Outside Do records (i.e., plot plans) indicate the LNG storage containers with greater\nthan 125 gallon capacity are located external to buildings? (DC.LAYOUT.TANKOUTSIDE.R) 193.2401 (193.2101(a);193.2301;NFPA\n59A (2001), Section 2.2.4.3;193.2101(b))\n8. Process Equipment Spacing and Layout Does the design process require process equipment, fired equipment,\nloading/unloading connections, and other equipment to be located in accordance with the spacing requirements in NFPA 59A\n(2001) Sections 2.2.6 and 2.2.7? (DC.LAYOUT.EQUIPSPACING.P) 193.2401 (193.2017(a);193.2101(a);NFPA 59A (2001), Section\n2.2.6.1;NFPA 59A (2001), Section 2.2.6.2;NFPA 59A (2001), Section 2.2.7.2;193.2101(b);193.2017(b);193.2017(c))\n9. Process Equipment Spacing and Layout Do records (i.e., plot plans) indicate the process equipment, fired\nequipment, and loading/unloading connections, and other equipment are located IAW NFPA 59A (2001), Sections 2.2.6 and 2.2.7?\n(DC.LAYOUT.EQUIPSPACING.R) 193.2401 (193.2101(a);193.2301;NFPA 59A (2001), Section 2.2.6.1;NFPA 59A (2001), Section\n2.2.6.2;NFPA 59A (2001), Section 2.2.7.2;193.2101(b))\n10. Flammable Refrigerant and Liquids Storage Tanks Layout Does the design process require that\nflammable refrigerants and flammable liquid storage tanks be located outside of an LNG container impounding area?\n(DC.LAYOUT.REFRIGERANT.P) 193.2401 (193.2017(a);193.2101(a);NFPA 59A (2001), Section\n2.2.1.4;193.2017(b);193.2017(c);193.2101(b))\n11. Flammable Refrigerant and Liquids Storage Tanks Layout Do records (i.e., plot plans) indicate\nflammable liquid storage tanks are located outside of the LNG storage impounding area? (DC.LAYOUT.REFRIGERANT.R) 193.2401\n(193.2101(a);193.2101(b);NFPA 59A (2001), Section 2.2.1.4)\n12. Plot Plan - Tanks and Equipment Layout Do field observations verify that storage tanks/containers (LNG and\nflammable liquid storage), equipment, process vessels, transfer facilities, and flammable vapor mitigation measures are installed\naccording to the locations identified in the plot plans? (DC.LAYOUT.PLOTPLAN.O) 193.2301 (193.2303;NFPA 59A (2001), Section\n2.2.1.4;NFPA 59A (2001), Section 2.2.4.1;NFPA 59A (2001), Section 2.2.4.2;NFPA 59A (2001), Section 2.2.4.3;NFPA 59A (2001),\nSection 2.2.6.1;NFPA 59A (2001), Section 2.2.6.2;NFPA 59A (2001), Section 2.2.7.2)\n13. Layout Distance of LNG Storage Tanks to Runway Where there is an airport within one mile of the LNG\nfacility, does the layout design process include LNG storage tank location requirements of 193.2155(b)? (DC.LAYOUT.RUNWAY.P)\n193.2155(b) (193.2101(a);193.2017(a);193.2101(b);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 3 of 73\n\n<<<PAGE 4>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n14. Layout Distance of LNG Storage Tanks to Runway Where there is an airport within one mile of the LNG\nfacility, do records indicate that the LNG storage tank has been constructed at the prescribed minimum distance from the nearest\npoint of a runway in accordance with 193.2155(b)? (DC.LAYOUT.RUNWAY.R) 193.2155(b) (193.2101(a);193.2301;193.2101(b))\nDesign and Construction - Impoundment, Dikes, and Drainage\n1. Siting - Spill Containment Does the siting and layout process require that spill containment system(s) must retain\nspilled LNG, flammable refrigerants, and flammable liquids within the limits of the facility property and for surface water drainage?\n(DC.IMPOUND.SPILLCONTROL.P) 193.2051 (193.2017(a);193.2101(a);NFPA 59A (2001), Section 2.1.2;NFPA 59A (2001), Section\n2.2.1.1;NFPA 59A (2001), Section 2.2.1.2(4);193.2017(b);193.2017(c);193.2101(a))\n2. Siting - Spill Containment Do records indicate that retention of spilled LNG, flammable refrigerants, and flammable\nliquids would be within the limits of the facility property and for surface water drainage? (DC.IMPOUND.SPILLCONTROL.R)\n193.2051 (193.2101(a);193.2301;NFPA 59A (2001), Section 2.1.2;NFPA 59A (2001), Section 2.2.1.1;NFPA 59A (2001), Section\n2.2.1.2(4);193.2101(b))\n3. Siting - Spill Containment Do field observations confirm that spill containment and impoundment systems were\ninstalled to retain spilled LNG, flammable refrigerants, and flammable liquids within the limits of facility property and for surface\nwater drainage? (DC.IMPOUND.SPILLCONTROL.O) 193.2301 (193.2101(a);193.2303;NFPA 59A (2001), Section 2.1.2;NFPA 59A\n(2001), Section 2.2.1.1;NFPA 59A (2001), Section 2.2.1.2(4);193.2101(b))\n4. Impoundment Capacity Does the design process (i.e., specifications) for each impoundment system serving an LNG\nstorage tank meet the capacity requirements of 193.2181? (DC.IMPOUND.CAPACITY.P) 193.2181(a)\n(193.2017(a);193.2101(a);193.2181(b);193.2181(c);193.2017(b);193.2017(c);193.2101(b))\n5. Impoundment Capacity Do records indicate the impoundment capacity for LNG tanks met the minimum volume\ncapacity requirements of 193.2181? (DC.IMPOUND.CAPACITY.R) 193.2181(a)\n(193.2101(a);193.2301;193.2181(b);193.2181(c);193.2101(b))\n6. Covered Impoundment System Design Does the impoundment system design process prohibit covered\nimpounding systems or “enclosed drainage channels” for LNG as described in 193.2167 and NFPA 59A (2001) Section 2.2.2.3 with\ncertain exceptions? (DC.IMPOUND.COVSYSTEM.P) 193.2167 (193.2017(a);NFPA 59A (2001), Section\n2.2.2.3;193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 4 of 73\n\n<<<PAGE 5>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n7. Covered Impoundment System Design Do records indicate any covered impounding systems or “enclosed\ndrainage channels for LNG” as prohibited in Part 193 and NFPA 59A (2001) Section 2.2.2.3 with certain exceptions?\n(DC.IMPOUND.COVSYSTEM.R) 193.2167 (193.2101(a);193.2301;NFPA 59A (2001), Section 2.2.2.3;193.2101(b))\n8. Covered Impoundment System Design Do field observations indicate any covered impounding systems were\nconstructed as prohibited in Part 193 and NFPA 59A (2001) with exceptions? (DC.IMPOUND.COVSYSTEM.O) 193.2167\n(193.2303;NFPA 59A (2001), Section 2.2.2.3)\n9. Impounding Area and Drainage System Design 1 Do records indicate the impounding areas and drainage\nsystems have been designed and constructed in accordance with NFPA 59A (2001) Section 2.2.2.4?\n(DC.IMPOUND.DRAINAGEDES1.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 2.2.2.4;193.2101(b))\n10. Impounding Area and Drainage System Design 2 Do records indicate the structural members of the\nimpoundment systems and/or drainage systems have been designed and constructed as required in 193.2155?\n(DC.IMPOUND.DRAINAGEDES2.R) 193.2155(a) (193.2101(a);193.2301;NFPA 59A (2001), Section\n2.2.2.4;193.2155(b);193.2101(b))\n11. Dike Construction Do field observations indicate the outer wall of a dike used as an impounding system is constructed\nof concrete in accordance with 193.2161? (DC.IMPOUND.DIKECONSTR.O) 193.2161 (193.2101(a);193.2303;193.2101(b))\n12. Water Removal System Does the design process for the water removal system meet the requirements of 193.2173?\n(DC.IMPOUND.WATERREMOVAL.P) 193.2173(a) (193.2017(a);193.2101(a);NFPA 59A (2001) Section\n2.2.2.7;193.2173(b);193.2173(c);193.2017(b);193.2017(c);193.2101(b))\n13. Water Removal System Do records indicate the design of the water removal system meets the requirements of\n193.2173? (DC.IMPOUND.WATERREMOVAL.R) 193.2173(a) (193.2101(a);193.2301;NFPA 59A (2001) Section\n2.2.2.7;193.2173(b);193.2173(c);193.2101(b))\n14. Water Removal System Do field observations verify that the water removal systems have been constructed in\naccordance with 193.2173? (DC.IMPOUND.WATERREMOVAL.O) 193.2173(a) (193.2101(a);193.2303;NFPA 59A (2001) Section\n2.2.2.7;193.2173(b);193.2173(c);193.2101(b))\nJanuary 2022 LNG.2022.01 Page 5 of 73\n\n<<<PAGE 6>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n15. Impoundment Siting for Protection of Marine Carriers Do records indicate that radiant heat fluxes from\na fire over the LNG storage container impounding area do not extend to any LNG marine carrier per NFPA 59A (2001), Section\n2.2.3.6? (DC.IMPOUND.SITINGMARINE.R) 193.2401 (193.2101(a);193.2301;NFPA 59A (2001), Section 2.2.3.6;193.2101(b))\nDesign and Construction - LNG Storage Tanks\n1. LNG Storage Tanks - LNG Density Does the LNG storage tank design process specify that the density of the LNG\nliquid shall be assumed to be the actual mass per unit volume at the minimum storage temperatures, except that in no case shall\nthe density assumed be less than 29.3 lb/ft3 (470 kg/m3)? (DC.TANKS.DENSITY.P) 193.2101(a) (193.2017(a);NFPA 59A (2001),\nSection 4.1.2.7;193.2101(b);193.2017(b);193.2017(c))\n2. LNG Storage Tanks - Basic Design Requirements Does the LNG storage tank specification incorporate all of\nthe requirements of NFPA 59A (2001), Section 4.1.2, for basic design considerations? (DC.TANKS.BASICDESIGN.P) 193.2101(a)\n(193.2017(a);193.2301;NFPA 59A (2001), Section 4.1.2.1;193.2101(b);193.2017(b);193.2017(c);NFPA 59A (2001), Section\n4.1.2.2;NFPA 59A (2001), Section 4.1.2.3;NFPA 59A (2001), Section 4.1.2.5)\n3. LNG Storage Tanks - MAWP Do records and basic design documents indicate the maximum allowable working\npressure (MAWP) and maximum allowable vacuum for each LNG storage tank? (DC.TANKS.MAWP.R) 193.2101(a) (193.2301;NFPA\n59A (2001), Section 4.1.2.1;193.2101(b))\n4. LNG Storage Tanks - Materials of Construction Do records (ref. tank drawings) indicate that the materials of\nconstruction for the parts of the LNG containers that normally are in contact with LNG or cold LNG vapor are compatible with LNG\nand intended for service at -270°F? (DC.TANKS.MATERIALS.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section\n4.1.2.2;193.2101(b))\n5. LNG Storage Tanks - Piping Requirements Do records (ref. tank piping specifications) indicate that piping\ninternal and external to the LNG container is designed in accordance with the requirements in NFPA 59A (2001), Chapter 6?\n(DC.TANKS.PIPING.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.2.3;193.2101(b))\n6. LNG Storage Tanks - Top & Bottom Filling Does the LNG storage tank specification(s) address stratification and\nrollover (i.e., top & bottom filling)? (DC.TANKS.TOPBOTTOMFILL.P) 193.2101(a) (193.2017(a);193.2301;NFPA 59A (2001),\nSection 4.1.2.4;193.2101(a);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 6 of 73\n\n<<<PAGE 7>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n7. LNG Storage Tanks - Top & Bottom Filling Do records (ref. LNG tank drawings) indicate that both top and\nbottom fill capability, or other positive means, are provided to prevent stratification and rollover? (DC.TANKS.TOPBOTTOMFILL.R)\n193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.2.4;193.2101(b))\n8. LNG Storage Tanks - Low Temp Protection Do records (ref. LNG tank drawings) indicate that protection from\nlow temperature was provided for the outer surface areas of an LNG container that could be exposed to leakage of LNG or cold\nvapor? (DC.TANKS.LOWTEMPPROT.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.2.5;193.2101(b))\n9. LNG Storage Tanks - Low Temp Protection Do field observations confirm that protection from low temperature\nwas provided for the outer surface area of an LNG container that could be exposed to leakage of LNG or cold vapor?\n(DC.TANKS.LOWTEMPPROT.O) 193.2101(a) (193.2303;NFPA 59A (2001), Section 4.1.2.5;193.2101(b))\n10. LNG Storage Tanks - Foundations For two or more LNG tanks within a common dike, does the LNG storage\ncontainer design process require foundations to be capable of withstanding contact with LNG or to be protected against contact\nwith an accumulation of LNG that might endanger structural integrity? (DC.TANKS.FOUNDATIONS.P) 193.2101(a)\n(193.2017(a);NFPA 59A (2001), Section 4.1.2.6;193.2101(b);193.2017(b);193.2017(c))\n11. LNG Storage Tanks - Foundations For two or more LNG tanks in a common dike, do records (e.g., design\ndrawings and specifications) indicate that LNG storage tank foundations were constructed to be capable of withstanding contact\nwith LNG or to be protected against contact with an accumulation of LNG that might endanger structural integrity?\n(DC.TANKS.FOUNDATIONS.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.2.6;193.2101(b))\n12. LNG Storage Tanks - Foundation Design Does the design process of stationary LNG storage container\nfoundation(s) meet the requirements of NFPA 59A (2001), Section 4.1.7? (DC.TANKS.FOUNDATIONDES.P) 193.2101(a)\n(193.2017(a);NFPA 59A (2001), Section 4.1.7;193.2101(a);193.2017(b);193.2017(c))\n13. LNG Storage Tanks - Foundation Design Do records (i.e., structural drawings and calculations and\ngeotechnical report) indicate that stationary LNG storage container foundation(s) was/were designed and constructed in\naccordance with the requirements of NFPA 59A (2001), Section 4.1.7 and that a subsurface soils investigation was performed?\n(DC.TANKS.FOUNDATIONDES.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.7;193.2101(b))\n14. LNG Storage Tanks - Foundation Design Do field observations confirm stationary LNG storage container\nfoundation are installed in accordance with the requirements of NFPA 59A (2001), Section 4.1.7? (DC.TANKS.FOUNDATIONDES.O)\n193.2301 (193.2303;NFPA 59A (2001), Section 4.1.7)\nJanuary 2022 LNG.2022.01 Page 7 of 73\n\n<<<PAGE 8>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n15. Storage Container - Seismic Design Does the project design process require that the seismic design of\nstationary field-fabricated LNG storage containers and its impoundment system meet the requirements of NFPA 59A (2006),\nSection 7.2.2? (DC.TANKS.SEISMIC.P) 193.2101 (193.2017(a);NFPA 59A (2006), Section\n7.2.2;193.2101(b);193.2017(b);193.2017(c))\n16. Storage Container - Seismic Design Do records (e.g., structural drawing and calculations; ground motion\nhazard study) indicate the seismic design of stationary LNG storage containers and impoundment systems meet the requirements\nof NFPA 59A (2006), Section 7.2.2? (DC.TANKS.SEISMIC.R) 193.2101(a) (193.2301;NFPA 59A (2006), Section\n7.2.2;193.2101(b))\n17. Storage Tanks & Structures - Wind and Snow Load Design Does the design process for LNG storage\ntanks and structures include design for wind and snow loads to meet requirements of NFPA 59A (2001), Sections 4.1.4, and ASCE\n7? (DC.TANKS.WINDSNOWDES.P) 193.2101(a) (193.2017(a);NFPA 59A (2001), Section 4.1.4;ASCE\n7;193.2101(b);193.2017(b);193.2017(c))\n18. Storage Tanks & Structures - Wind and Snow Load Design Do records (e.g., design drawings,\nspecifications, and calculations) indicate that LNG storage tanks and/or structures were constructed in accordance with the wind\nand snow load requirements in NFPA 59A (2001), Section 4.1.4, and ASCE 7? (DC.TANKS.WINDSNOWDES.R) 193.2101(a)\n(193.2301;NFPA 59A (2001), Section 4.1.4;ASCE 7;193.2101(b))\n19. LNG Storage Container - Insulation Does the process for design of stationary LNG storage tank insulation meet\nthe requirements of NFPA 59A (2001), Section 4.1.5? (DC.TANKS.INSULATION.P) 193.2101(a) (193.2017(a);NFPA 59A (2001),\nSection 4.1.5;193.2101(b);193.2017(b);193.2017(c))\n20. LNG Storage Container - Insulation Do records (i.e., tank design documents and drawings) indicate that\nstationary LNG storage container insulation met the requirements of NFPA 59A (2001), Section 4.1.5? (DC.TANKS.INSULATION.R)\n193.2101(a) (193.2301;NFPA 59A (2001), Section 4.1.5;193.2101(b))\n21. LNG Storage Container - Insulation Do field observations confirm that stationary LNG storage container\ninsulation was installed in accordance with the requirements of NFPA 59A (2001), Section 4.1.5? (DC.TANKS.INSULATION.O)\n193.2301 (193.2303;NFPA 59A (2001), Section 4.1.5)\n22. LNG Concrete Storage Container Design Does the design process require concrete storage containers to be\ndesigned IAW NFPA 59A (2001), Section 4.3, and ACI 318? (DC.TANKS.CONCRETECONTDES.P) 193.2101(a) (193.2017(a);NFPA\n59A (2001), Sections 4.3;API Standard 620;ACI 318;ASME Boiler & Pressure Vessel Code;193.2101(b);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 8 of 73\n\n<<<PAGE 9>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n23. LNG Concrete Storage Container Design Do records (i.e., tank design specifications) demonstrate concrete\nstorage containers meet the applicable design requirements of NFPA 59A (2001), Section 4.3, and ACI 318?\n(DC.TANKS.CONCRETECONTDES.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.3;API Standard 620;ACI 318;ASME\nBoiler & Pressure Vessel Code;193.2101(b))\n24. LNG Concrete Storage Container Design Do field observations confirm concrete LNG storage containers meet\nthe applicable design requirements of NFPA 59A (2001), Section 4.3 and ACI 318? (DC.TANKS.CONCRETECONTDES.O) 193.2101\n(193.2303;NFPA 59A (2001), Section 4.3;API Standard 620;ACI 318;ASME Boiler & Pressure Vessel Code)\n25. LNG Storage Tank - Non-Metallic Membrane Liner For LNG storage tanks where nonmetallic membrane\nliners are used, does the design process specify that they are non-flammable? (DC.TANKS.NONMETALLINER.P) 193.2187\n(193.2017(a);193.2017(b);193.2017(c))\n26. LNG Storage Tank - Non-Metallic Membrane Liner Do records indicate that if a nonmetallic membrane\nliner was installed in an LNG storage tank that it was non-flammable? (DC.TANKS.NONMETALLINER.R) 193.2187\n(193.2119;193.2101(a);193.2301;193.2101(b))\n27. LNG Storage Tank - Non-Metallic Membrane Liner Where a nonmetallic membrane liner was installed in an\nLNG storage tank, do field observations indicate it is non-flammable? (DC.TANKS.NONMETALLINER.O) 193.2187\n(193.2101(a);193.2301;193.2101(b))\n28. LNG Storage Tanks - Barriers Does the LNG tank design process require the material of construction for LNG\nstorage tank liquid or vapor barriers shall be of metal classified for either “primary components” or “secondary components” in\naccordance with API Standard 620 (1990)? (DC.TANKS.BARRIER.P) 193.2101(a) (193.2017(a);NFPA 59A (2001), Section\n4.3.3.6;API 620 (1990);193.2101(b);193.2017(b);193.2017(c);NFPA 59A (2001), Section 4.3.3.7)\n29. LNG Storage Tanks - Barriers Do records (i.e., tank drawings and specifications) indicate that material of\nconstruction for nonstructural metallic barriers is selected from API 620 (1990), Appendix Q? (DC.TANKS.BARRIER.R) 193.2101(a)\n(193.2301;NFPA 59A (2001), Section 4.3.3.6;API 620 (1990);NFPA 59A (2001), Section 4.3.3.7;193.2101(b))\n30. LNG Storage Tanks - Metal Testing Does the design process for concrete LNG storage tanks require construction\nand testing of the metal components in accordance with API 620 (1990), Appendix Q? (DC.TANKS.METALTEST.P) 193.2101(a)\n(193.2017(a);NFPA 59A (2001), Section 4.3.4.3;API 620 (1990), Appendix Q;193.2101(b);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 9 of 73\n\n<<<PAGE 10>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n31. LNG Storage Tanks - Metal Testing Do the concrete LNG tank test records indicate metal components were\nconstructed and tested in accordance with API 620 (1990), Appendix Q? (DC.TANKS.METALTEST.R) 193.2101(a) (193.2301;NFPA\n59A (2001), Section 4.3.4.3;API 620 (1990), Appendix Q;193.2101(b))\n32. LNG Storage Tanks - Pressure & Vacuum Relief Devices (1) Does the LNG tank design process require\npressure and vacuum relief devices in accordance with NFPA 59A (2001), Section 4.7? (DC.TANKS.PSV1.P) 193.2101(a)\n(193.2017(a);NFPA 59A (2001), Section 4.7;API 620;ASME BPVC, Section VIII;193.2101(b);193.2017(b);193.2017(c))\n33. LNG Storage Tanks - Pressure & Vacuum Relief Devices (1) Do records (i.e., pressure/vacuum relief\nvalve data sheets) indicate that pressure and vacuum relief devices protecting the LNG storage tanks are in accordance with NFPA\n59A (2001) Section 4.7? (DC.TANKS.PSV1.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.7;API 620;ASME BPVC, Section\nVIII;193.2101(b))\n34. LNG Storage Tanks - Pressure & Vacuum Relief Devices (2) Do records (i.e., tank drawings) indicate\nthe pressure and vacuum relief valves vent directly to the atmosphere? (DC.TANKS.PSV2.R) 193.2101(a) (193.2301;NFPA 59A\n(2001), Section 4.7.2;193.2101(b))\n35. LNG Storage Tanks - Pressure & Vacuum Relief Devices (2) Do field observations confirm that the\npressure and vacuum relief valves serving the LNG storage tanks are installed according to the design specifications?\n(DC.TANKS.PSV2.O) 193.2301 (193.2303;NFPA 59A (2001), Section 4.7)\n36. LNG Storage Tanks - Pressure & Vacuum Relief Devices (3) Do records (i.e., P&IDs) indicate the\nisolation valves for LNG storage tank’s pressure and vacuum relief valves include a manual full-opening stop valve for testing or\nmaintenance? (DC.TANKS.PSV3.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.7.2.1;193.2101(b))\n37. LNG Storage Tanks - Pressure & Vacuum Relief Devices (3) Do field observations confirm that isolation\nvalves for the LNG storage tank’s pressure and vacuum relief valves are installed according to the design? (DC.TANKS.PSV3.O)\n193.2301 (193.2303;NFPA 59A (2001), Section 4.7.2.1)\n38. LNG Storage Tanks - Pressure & Vacuum Relief Devices (4) Do records (i.e., tank drawings; P&IDs)\nindicate that safety relief valves discharge vertically upward? (DC.TANKS.PSV4.R) 193.2101 (193.2301;NFPA 59A (2001), Section\n4.7.2.3)\nJanuary 2022 LNG.2022.01 Page 10 of 73\n\n<<<PAGE 11>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n39. LNG Storage Tanks - Pressure & Vacuum Relief Devices (4) Do field observations confirm that LNG\nstorage tank’s safety relief valves are installed according to design, including measures to prevent an accumulation of water, ice,\nsnow, or other foreign matter? (DC.TANKS.PSV4.O) 193.2301 (193.2303;NFPA 59A (2001), Section 4.7.2.3)\n40. LNG Storage Tanks - Pressure Relief Devices (5) Does the LNG storage tank design process require\npressure relief devices to be sized in accordance with NFPA 59A (2001), Sections 4.7.3.1, 4.7.3.2, and 4.7.3.4?\n(DC.TANKS.PSV5.P) 193.2101(a) (193.2017(a);NFPA 59A (2001), Section 4.7.3;193.2101(b);193.2017(b);193.2017(c))\n41. LNG Storage Tanks - Pressure Relief Devices (5) Do records (i.e., calculation sheets for LNG Storage Tank\nRelief Valve Capacity) indicate the flow capacity of pressure relief valves was calculated in accordance with NFPA 59A (2001)\nSection 4.7.3.1, 4.7.3.2, and 4.7.3.4? (DC.TANKS.PSV5.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.7.3;193.2101(b))\n42. LNG Storage Tanks - Vacuum Relief Devices Does the LNG storage tank design specification require vacuum\nrelief devices to be sized in accordance with NFPA 59A (2001) Section 4.7.3.3? (DC.TANKS.VRV.P) 193.2101(a)\n(193.2017(a);NFPA 59A (2001), Section 4.7.3.3;193.2101(b);193.2017(b);193.2017(c))\n43. LNG Storage Tanks - Vacuum Relief Devices Do records (i.e., calculation sheets for LNG storage tank relief\nvalve capacity) indicate the flow capacity of vacuum relief valves was calculated in accordance with NFPA 59A (2001) Section\n4.7.3.3? (DC.TANKS.VRV.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section 4.7.3.3;193.2101(b))\n44. LNG Storage Tanks - Vacuum Relief Devices Do field observations confirm that LNG storage tank vacuum\nrelief valves were installed according to design specifications? (DC.TANKS.VRV.O) 193.2301 (193.2303;NFPA 59A (2001), Section\n4.7.3.3)\n45. LNG Storage Container - Liquid Level Gauges Does the design process require two independent liquid level\ngauges in LNG containers? (DC.TANKS.LEVELGAUGES.P) 193.2101(a) (193.2017;NFPA 59A (2001), Section 7.1.1;193.2101(b))\n46. LNG Storage Container - Liquid Level Gauges Do records indicate that two liquid level gauges for LNG\ncontainers were designed and installed in accordance with NFPA 59A (2001), Section 7.1.1? (DC.TANKS.LEVELGAUGES.R)\n193.2301 (193.2101(a);193.2303;NFPA 59A (2001), Section 7.1.1;193.2101(b))\nJanuary 2022 LNG.2022.01 Page 11 of 73\n\n<<<PAGE 12>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n47. LNG Storage Container - Liquid Level Gauges Do field observations confirm that two independent liquid level\ngauges are installed in the LNG containers to design specifications? (DC.TANKS.LEVELGAUGES.O) 193.2301 (193.2303;NFPA 59A\n(2001), Section 7.1.1)\n48. LNG Storage Container - Pressure Gauges Does the design process require the installation of a pressure\ngauge connected to each storage container at a point above the maximum intended liquid level? (DC.TANKS.PRESSGAUGES.P)\n193.2301 (193.2017(a);193.2401;NFPA 59A (2001), Section 7.2;193.2017(b);193.2017(c))\n49. LNG Storage Container - Pressure Gauges Do records (e.g., P&IDs) indicate the installation of a pressure\ngauge connected to each storage container at a point above the maximum intended liquid level? (DC.TANKS.PRESSGAUGES.R)\n193.2301 (193.2401;193.2101(a);NFPA 59A (2001), Section 7.2;193.2101(b))\n50. LNG Storage Container - Pressure Gauges Do field observations confirm the installation of a pressure gauge\nconnected to each storage container at a point above the maximum intended liquid level? (DC.TANKS.PRESSGAUGES.O) 193.2301\n(193.2303;193.2401;NFPA 59A (2001), Section 7.2)\n51. LNG Storage Container - Temperature Monitoring Does the LNG storage container design require\ntemperature monitoring equipment to be installed? (DC.TANKS.TEMPMONITOR.P) 193.2301 (193.2017(a);NFPA 59A (2001),\nSection 7.4;193.2017(b);193.2017(c))\n52. LNG Storage Container - Temperature Monitoring Do records indicate that temperature monitoring was\ninstalled in accordance with design specifications? (DC.TANKS.TEMPMONITOR.R) 193.2301 (193.2101(a);NFPA 59A (2001),\nSection 7.4;193.2101(b))\n53. LNG Storage Container - Temperature Monitoring Do field observations confirm that temperature\nmonitoring devices were installed in accordance with design specifications? (DC.TANKS.TEMPMONITOR.O) 193.2301\n(193.2303;NFPA 59A (2001), Section 7.4)\n54. Electrical Grounding and Bonding for Storage Tanks Does the design process for electrical grounding and\nbonding for storage tanks meet the requirements of NFPA 59A (2001), Section 7.7? (DC.TANKS.GROUNDING.P) 193.2301\n(193.2017(a);NFPA 59A (2001), Section 7.7;193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 12 of 73\n\n<<<PAGE 13>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n55. Electrical Grounding and Bonding for Storage Tanks Do records indicate that electrical grounding and\nbonding for storage tanks were designed and installed IAW NFPA 59A (2001), Section 7.7? (DC.TANKS.GROUNDING.R) 193.2301\n(193.2101;NFPA 59A (2001), Section 7.7)\n56. Electrical Grounding and Bonding for Storage Tanks Do field observations confirm electrical grounding\nand bonding for storage tanks was installed IAW the design specifications? (DC.TANKS.GROUNDING.O) 193.2301 (193.2303;NFPA\n59A (2001), Section 7.7)\n57. LNG Storage Containers - Weld NDT Do the tank design specifications require that non-destructive\nexaminations of welds on metal storage containers be performed in accordance with NFPA 59A (2006), Section 7.3.1.2, and API\n620 (2008, 11th Edition), Appendices C and Q (per 193.2321(b))? (DC.TANKS.NDT.P) 193.2321(b) (193.2017(a);NFPA 59A\n(2006), Section 7.3.1.2;API 620 (2008), Appendix C;API 620 (2008), Appendix Q;193.2017(b);193.2017(c))\n58. LNG Storage Containers - Weld NDT Do records indicate that non-destructive examinations of welds on metal\nstorage containers were performed in accordance with NFPA 59A (2006), Section 7.3.1.2, and API 620 (2008, 11th Edition),\nAppendices C and Q (per 193.2321b)? (DC.TANKS.NDT.R) 193.2321(b) (193.2101(a);193.2301;NFPA 59A (2006), Section\n7.3.1.2;API 620 (2008), Appendix C;API 620 (2008), Appendix Q;193.2101(b))\n59. LNG Storage Containers - Weld NDT Do field observation confirm that non-destructive examinations of welds on\nmetal storage containers were performed in accordance with NFPA 59A (2006), Section 7.3.1.2, and API 620 (2008, 11th Edition),\nAppendices C and Q (per 193.2321b)? (DC.TANKS.NDT.O) 193.2321(b) (193.2303;NFPA 59A (2006), Section 7.3.1.2;API 620\n(2008), Appendix C;API 620 (2008), Appendix Q)\n60. Installation of Flammable Refrigerant and Process Fluids Storage Tanks Does the process for the\ninstallation of flammable refrigerants and flammable liquid storage require compliance with NFPA 30, NFPA 58, NFPA 59, API\n2510? (DC.TANKS.FLAMMFLUIDS.P) 193.2101(a) (193.2017(a);NFPA 59A (2001) Section 3.3;NFPA 30;NFPA 58;NFPA 59;API\n2510;193.2101(b);193.2017(b);193.2017(c))\n61. Installation of Flammable Refrigerant and Process Fluids Storage Tanks Do records indicate that\ninstallation of storage tanks for flammable refrigerants and process fluids is in accordance with design and installation\nspecifications? (DC.TANKS.FLAMMFLUIDS.R) 193.2101(a) (193.2303;NFPA 59A (2001) Section 3.3;NFPA 30;NFPA 58;NFPA 59;API\n2510;193.2101(b))\n62. Part 193 Materials Records for Tanks Does the process require records of all materials for tanks and tank\nrelated components be maintained for the life of the item? (DC.TANKS.MATERIALRECORDS.P) 193.2119\n(193.2017(a);193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 13 of 73\n\n<<<PAGE 14>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n63. Part 193 Materials Records for Tanks Have records of all materials for tanks and tank related components been\nkept to verify that materials properties have met the requirements of Part 193, and are the records being maintained for the life of\nthe item concerned? (DC.TANKS.MATERIALRECORDS.R) 193.2119 (193.2101(a);193.2101(b))\n64. LNG Storage Tanks - Leak Testing Does the LNG storage tank design process require leak testing of LNG storage\ntanks in accordance with API 620 (1990), Appendix Q.8? (DC.TANKS.LEAKTESTING.P) 193.2101(a) (193.2017(a);NFPA 59A\n(2001), Section 4.5.1;API 620 (1990), Appendix Q;193.2101(b);193.2017(b);193.2017(c))\n65. LNG Storage Tanks - Leak Testing Do the LNG tank test records indicate that LNG storage tanks were tested in\naccordance with API 620 (1990), Appendix Q? (DC.TANKS.LEAKTESTING.R) 193.2101(a) (193.2301;NFPA 59A (2001), Section\n4.5.1;API 620 (1990), Appendix Q;193.2101(b))\n66. LNG Storage Tanks - Leak Testing Do field observations verify that the hydrostatic test and pneumatic pressure\ntest for LNG storage tanks were performed according to test procedures? (DC.TANKS.LEAKTESTING.O) 193.2301 (193.2303;NFPA\n59A (2001), Section 4.5.1;API 620 (1990), Appendix Q)\n67. Cooldown of Components Does the process require that the thermal stress of components be kept within design\nlimits during cooldown? (MO.LO.COOLDOWN.P) 193.2017 (193.2503(g);193.2505(a);193.2505(b))\n68. Cooldown of Components Do records indicate that cooldown of components was maintained within design limits?\n(MO.LO.COOLDOWN.R) 193.2505(a) (193.2505(b);193.2503(g);193.2101;193.2301)\n69. Cooldown of Components Do field observations confirm leak checks were performed on components subject to\ncryogenic temperatures following stabilization? (MO.LO.COOLDOWN.O) 193.2505(b) (193.2301;193.2303)\nDesign and Construction - Structures\n1. Design for Wind Forces Does the design processes specify the wind force requirements for the LNG facility comply\nwith 193.2067? (DC.STRUCTURE.WINDFORCES.P) 193.2067(a) (193.2017(a);193.2051;193.2067(b);193.2017(b);193.2017(c))\n2. Design for Wind Forces Do records (e.g., design specifications) indicate that the wind forces specified for the LNG\nfacility comply with 193.2067? (DC.STRUCTURE.WINDFORCES.R) 193.2067(a) (193.2051;193.2101(a);193.2067(b);193.2101(b))\nJanuary 2022 LNG.2022.01 Page 14 of 73\n\n<<<PAGE 15>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n3. Storage Tanks & Structures - Wind and Snow Load Design Does the design process for LNG storage\ntanks and structures include design for wind and snow loads to meet requirements of NFPA 59A (2001), Sections 4.1.4, and ASCE\n7? (DC.TANKS.WINDSNOWDES.P) 193.2101(a) (193.2017(a);NFPA 59A (2001), Section 4.1.4;ASCE\n7;193.2101(b);193.2017(b);193.2017(c))\n4. Storage Tanks & Structures - Wind and Snow Load Design Do records (e.g., design drawings,\nspecifications, and calculations) indicate that LNG storage tanks and/or structures were constructed in accordance with the wind\nand snow load requirements in NFPA 59A (2001), Section 4.1.4, and ASCE 7? (DC.TANKS.WINDSNOWDES.R) 193.2101(a)\n(193.2301;NFPA 59A (2001), Section 4.1.4;ASCE 7;193.2101(b))\n5. Geotechnical and Soils Investigations Does the design process require geotechnical (soils) investigations of the\nfacility site? (DC.STRUCTURE.GEOTECH.P) 193.2101(a) (193.2017(a);193.2401;NFPA 59A (2001), Section\n2.1.4;193.2101(b);193.2017(b);193.2017(c))\n6. Geotechnical and Soils Investigations Do records indicate that geotechnical (soil) investigation results of the soil\nconditions for the site were used in the design basis for the facility? (DC.STRUCTURE.GEOTECH.R) 193.2101(a)\n(193.2301;193.2401;NFPA 59A (2001), Section 2.1.4;193.2101(b))\n7. Materials of Construction Does the design process require buildings or structural enclosures in which LNG, flammable\nrefrigerants, and flammable gases are handled to be of lightweight, non-combustible construction materials with non−load bearing\nwalls? (DC.STRUCTURE.MATERIALS.P) 193.2301 (193.2017(a);NFPA 59A (2001), Section 2.3.1;193.2017(b);193.2017(c))\n8. Materials of Construction Do records indicate buildings or structural enclosures in which LNG, flammable refrigerants,\nand flammable gases are handled are built of lightweight, non-combustible construction materials with non−load bearing walls?\n(DC.STRUCTURE.MATERIALS.R) 193.2301 (193.2101(a);NFPA 59A (2001), Section 2.3.1;193.2101(b))\n9. Materials of Construction Do field observations verify buildings or structural enclosures in which LNG, flammable\nrefrigerants, and flammable gases are handled have been constructed in accordance with the design specifications?\n(DC.STRUCTURE.MATERIALS.O) 193.2301 (193.2303;NFPA 59A (2001), Section 2.3.1)\n10. Building Design and Ventilation Does the design process require buildings or structural enclosures in which LNG,\nflammable refrigerants, and flammable gases are handled are designed to meet the requirements of NFPA 59A (2001), Section\n2.3.2? (DC.STRUCTURE.BUILDINGDES.P) 193.2301 (193.2017(a);NFPA 59A (2001), Section 2.3.2;193.2017(b);193.2017(c))\nJanuary 2022 LNG.2022.01 Page 15 of 73\n\n<<<PAGE 16>>>\n\nPHMSA LNG IA Question Set (LNG.2022.01)\n11. Building Design and Ventilation Do records (e.g., design drawings) indicate buildings or structural enclosures in\nwhich LNG, flammable refrigerants, and flammable gases are handled are constructed in accordance with NFPA 59A, (2001),\nSection 2.3.2? (DC.STRUCTURE.BUILDINGDES.R) 193.2301 (193.2101(a);NFPA 59A (2001), Section 2.3.","truncated":true,"body_characters":174033}