DEFCON Underground MFG


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816-438-7171
10531 E US Hwy 40
Independence, Missouri 64055

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Underground Bunker Plumbing Upgrades

Propane Tanks

LPG tanks installed underground are required to be placed in accordance with provisions that are not common to above ground tank installations. The purpose of these provisions is for the safety and longevity of the buried gas tank. All safety provisions must be adhered to as required by NFPA 58, Section 3.2.9. Choosing an underground installation is aesthetically pleasing and is safe provided all requirements, codes, and rules are followed. DEFCON will ensure that the placement of your tank meets all requirements as well as your needs.

Cathodic Protection
Underground propane tanks and piping are subject to electrolysis. The electrical current which occurs naturally in the earth acts as a tiny drill on an unprotected tank. The current will literally drill a hole in the tank wall, rendering your underground propane storage tank useless. One protective measure that helps prevent damage by electrolysis is the attachment of a magnesium anode bag to the tank itself. The anode bag releases electrons which protect the tank from electrolysis and corrosion.

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DEFCON Underground MFG

Cory Hubbard,

10531 E US Hwy 40

Independence, Missouri 64055

816-438-7171

DEFCON Underground Mfg, crafts underground bunkers, bomb shelters and emergency shelters that are built with high quality plate steel and re-enforced structural metals. Your entire underground bomb shelter, with renowned durability, is extremely rigid and strong, unlike shelters from many of our competitors. As extreme pressures are applied; the steel construction frame used in our engineering adds tremendous strength to the bunker while distributing weight and pressure across the entire are. We build them without structural weak spots and these underground bunkers will not collapse under weight or unexpected shifts in the surrounding areas.