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33 56 21
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33 56 23
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33 56 26
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33 56 33
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33 56 43
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33 56 53
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33 56 60
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33 56 93
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33 00 00 Utilities >
33 50 00 Hydrocarbon Utilities >
33 56 00 Hydrocarbon Storage >
33 56 23
Ground-Level External Floating Roof Hydrocarbon Storage Tanks
Notes
external floating roof tanks have no fixed roof of any sort; typically used with liquids that have medium vapor pressure.
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