California ICC UST Inspector Practice Exam

What is the minimum required distance for vent lines from buildings?

1. 3 feet

2. 5 feet

3. 10 feet

4. 15 feet

The correct answer is: 5 feet

The minimum required distance for vent lines from buildings is 5 feet. This requirement is primarily focused on safety and ensuring that potential hazardous vapors are adequately dispersed away from structures. By maintaining this distance, the risk of vapors entering buildings and creating hazardous indoor air quality is significantly reduced. Having vent lines closer than 5 feet could lead to dangerous situations, especially in areas where there’s a possibility of accumulation of flammable vapors. This standards helps in protecting both the occupants of the building and the structural integrity of the building itself. Other distances specified in the choices could either not conform to safety codes or are generally too close for the release of potential hazardous vapors.