01.04 What are the positives and negatives of underground tank?

Positives:

1. Widely accepted without size limitations.
2. Saves space at ground level and allows for site access by driving above tanks.
3. No visual / aesthetic impairment.
4. More secure against vandalism.
5. Well defined regulatory requirements.
6. Stable thermal environment.
7. Allows for fuel delivery by gravity.
8. Allows for gravity overflow return from day tanks.
9. Secure from fire hazards.

Negatives

1. Higher requirements for periodic testing for regulatory compliance.
2. Perception of greater environmental risk based on past experience.
3. Requirement for environmental liability insurance to meet regulations.
4. Higher cost of installation – usually.
5. Difficulty to expand, modify, relocate, or remove.
6. Requires specially licensed installation contractors.