TCFP Plans Examiner Practice Test

What is the minimum distance for loading and unloading stations for Class I liquids from storage tanks or property lines?

1. 5 feet

2. 10 feet

3. 25 feet

4. 50 feet

The correct answer is: 25 feet

The minimum distance for loading and unloading stations for Class I liquids from storage tanks or property lines is 25 feet because this distance is established to minimize the risk of fire and explosions associated with the handling of flammable liquids. Class I liquids, which are highly volatile, can produce vapors that may ignite, hence the need for a safe buffer zone around these operations. The 25-foot requirement helps ensure that there is sufficient space between the loading and unloading activities and potential ignition sources, as well as minimizing the potential impact on adjacent properties. This practice is part of fire safety regulations that aim to protect public safety and property during the transfer of hazardous materials, acknowledging that even small distances can lead to significant risks in scenarios involving flammable substances. Distances less than this could potentially expose nearby structures or equipment to hazards, while a greater distance would provide added safety but is not mandated in typical regulations.