What is the ideal thickness for a concrete slab for a chemical storage tank?

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SUMMARY

The ideal thickness for a concrete slab supporting a stationary chemical storage tank weighing approximately 4600 lbs should be between 4 to 6 inches, depending on the load distribution. For a 5 ft x 5 ft slab, it is crucial to consider whether the tank has point loads from feet or a flat bottom that distributes the load. Local building codes and inspection requirements must be adhered to, and obtaining a permit is often necessary before construction begins. Consulting local building inspectors is recommended for specific guidelines.

PREREQUISITES
  • Understanding of concrete slab construction standards
  • Knowledge of load distribution principles
  • Familiarity with local building codes and permit requirements
  • Basic concepts of chemical storage tank specifications
NEXT STEPS
  • Research local building codes for concrete slab thickness requirements
  • Learn about load distribution calculations for stationary tanks
  • Investigate the permit application process for construction projects
  • Review guidelines for installing heating oil tanks and their structural needs
USEFUL FOR

Contractors, civil engineers, project managers, and anyone involved in the installation of chemical storage tanks or concrete slab foundations.

NewEngineer
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Good morning forum,

I'm currently in the middle of a project where I'm installing a new chemical storage tank outside. I need to lay a new concrete slab for the tank to lay on. My question is how thick should the concrete slab be? The tank will be stationary, when filled it will weigh approximately 4600 lbs, plus some piping and other equipment attached to it. The tank will be stationary and the pad will be approx. 5 ft x 5 ft. Is there some kind of formula or ratio I can find, or is 4-6 inches just a standard?
 
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Will this structure and installation be inspected by your local building inspectors? Do you need to get a permit to start the construction? The local building inspection department would be your best source for this kind of information...
 
Will it be filled by delivery tanker? The requirement for the tanker might be greater than for the tank.

Does the tank have feet=point loads or flat bottom=distributed load?

Look up guidance for heating oil tanks?
 

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