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An apparatus and method for constructing a cryogenic storage tank (700) having a welded inner tank (702), an outer shell (704) surrounding the welded inner tank (702), a concrete foundation (728) comprising a raised portion (752), a plurality of cellular glass blocks (734) positioned directly on top

An apparatus and method for constructing a cryogenic storage tank (700) having a welded inner tank (702), an outer shell (704) surrounding the welded inner tank (702), a concrete foundation (728) comprising a raised portion (752), a plurality of cellular glass blocks (734) positioned directly on top of the raised portion (752) of the concrete foundation (728), a leveling course of concrete (736) poured on top of the uppermost layer of the plurality of cellular glass blocks (734), and a mounting apparatus (718) affixed to the concrete foundation (728), where the welded inner tank (702) is positioned on top of the leveling course of concrete (736) and the outer shell (704) is affixed to the mounting apparatus (718) at locations around the periphery of the outer shell (704).

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1. A cryogenic storage tank, comprising: a concrete foundation comprising a lower portion forming a first upper surface and a raised portion forming a second upper surface, wherein the second upper surface is located above the first upper surface;a plurality of cellular glass blocks positioned direc

1. A cryogenic storage tank, comprising: a concrete foundation comprising a lower portion forming a first upper surface and a raised portion forming a second upper surface, wherein the second upper surface is located above the first upper surface;a plurality of cellular glass blocks positioned directly on top of the second upper surface of the concrete foundation;a leveling course of concrete poured on top of the uppermost layer of the plurality of cellular glass blocks;a mounting apparatus affixed to the concrete foundation, wherein the mounting apparatus comprises a compression ring, and the second upper surface of the concrete foundation is located above the compression ring;a welded inner tank comprising an inner tank floor plate, a plurality of inner tank wall staves, and an inner tank roof dome, wherein the welded inner tank is positioned on top of the leveling course of concrete; anda bolted outer shell comprising a plurality of bolted outer shell wall staves and an outer shell roof dome, wherein the bolted outer shell is positioned on top of the mounting apparatus, surrounding the welded inner tank, and spaced apart from the welded inner tank such that the plurality of inner tank wall staves are positioned adjacent to the plurality of bolted outer shell wall staves and the inner tank roof dome is positioned adjacent to the outer shell roof dome;wherein the bolted outer shell is affixed to the mounting apparatus at locations around the periphery of the bolted outer shell;wherein the compression ring has a plurality of anchor bolt holes to serve as a template for affixing the bolted outer shell to the mounting apparatus and concrete foundation. 2. The tank of claim 1, wherein the bolted outer shell is a carbon steel bolted outer shell. 3. The tank of claim 1, wherein the welded inner tank is a welded stainless steel inner tank. 4. The tank of claim 1, wherein the compression ring is embedded in the lower portion forming the first upper surface of the concrete foundation. 5. The tank of claim 1, wherein the compression ring comprises at least one of a welded form bar or a welded angle. 6. A method for construction of a cryogenic storage tank, comprising the steps of: pouring and curing a concrete foundation including a lower portion forming a first upper surface and a raised portion forming a second upper surface by using a mounting apparatus embedded in the concrete foundation as a form for the raised portion;wherein the second upper surface is located above the first upper surface, wherein the mounting apparatus comprises a compression ring, and the second upper surface is located above the compression ring;installing a plurality of cellular glass blocks on the second upper surface of the poured and cured concrete foundation;pouring and curing a leveling course of concrete on top of the installed plurality of cellular glass blocks;installing a floor plate on top of the leveling course of concrete;installing a plurality of bolted wall staves to the concrete foundation by securing the lowest level of bolted wall staves to the embedded mounting apparatus;welding a plurality of wall staves to the floor plate;welding a first roof dome to the highest level of the plurality of welded wall staves to form a welded inner tank; andinstalling a second roof dome to the highest level of the plurality of bolted wall staves to form a bolted outer shell,wherein the compression ring has a plurality of anchor bolt holes to serve as a template for affixing the outer shell to the mounting apparatus and concrete foundation. 7. The method of claim 6, wherein the bolted wall staves, the second roof dome, and the mounting apparatus are composed of carbon steel, and the floor plate, welded wall staves, and first roof dome are composed of stainless steel. 8. The method of claim 6, further comprising hydropneumatically testing the welded inner tank. 9. The method of claim 6, further comprising vacuum testing the bolted outer shell. 10. The method of claim 6, further comprising installing perlite insulation in a void space between the welded inner tank and the bolted outer shell. 11. The method of claim 6, further comprising installing stainless steel anchor straps to the concrete foundation and the welded inner tank. 12. A cryogenic storage tank constructed in accordance with the method of claim 6. 13. A cryogenic storage tank, comprising: a welded inner tank;an outer shell surrounding the welded inner tank;a concrete foundation comprising a lower portion forming a first upper surface and a raised portion forming a second upper surface that are poured along with the remainder of the concrete foundation, wherein the second upper surface is located above the first upper surface;a plurality of cellular glass blocks positioned directly on top of the second upper surface raised portion of the concrete foundation, at least some of the plurality of cellular blocks directly contacting the raised portion second upper surface of the concrete foundation;a leveling course of concrete poured on top of the uppermost layer of the plurality of cellular glass blocks; anda mounting apparatus affixed to the concrete foundation, the mounting apparatus comprising a compression ring located below the second upper surface of the concrete foundation;wherein the welded inner tank is positioned on top of the leveling course of concrete and the outer shell is affixed to the mounting apparatus at locations around the periphery of the outer shell,wherein the compression ring has a plurality of anchor bolt holes to serve as a template for affixing the outer shell to the mounting apparatus and concrete foundation. 14. The tank of claim 13, wherein the welded inner tank is a stainless steel inner tank, the outer shell is a carbon steel bolted outer shell comprising a plurality of bolted outer shell wall staves, the concrete foundation is an elevated concrete foundation, and the mounting apparatus is a carbon steel compression ring. 15. The tank of claim 1, wherein the raised portion is in contact with the lower portion. 16. The tank of claim 13 wherein the mounting apparatus further comprises at least one of a welded form bar or angle that acts as a form for the raised portion when pouring the concrete foundation.