What is the minimum clearance required under an inside oil tank from any surface?

The minimum clearance required under an inside oil tank is set at 4 inches from any surface. This clearance is essential for several reasons. Firstly, it ensures that there is adequate space for air circulation, which is vital in preventing the buildup of any harmful gases or vapors that may be emitted from the tank. Proper airflow can also help minimize the risk of corrosion on the tank's bottom due to moisture accumulation.

Secondly, the clearance aids in the maintenance and inspection of the tank. Having sufficient space allows technicians to work safely and effectively when checking for leaks or performing necessary repairs. This is crucial for ensuring the longevity of the tank and for adhering to safety standards.

Finally, this requirement is also aligned with industry best practices and codes, such as those found in the Maine Fuel Code, which aim to protect both property and the environment from potential fuel-related hazards. Maintaining this 4-inch clearance is therefore a critical aspect of safe tank installation and operation.