Final answer:
Stand pipe connections on the Metro Line in Fairfax County will be placed at regular intervals to ensure efficient water supply and fire protection. These connections are crucial for maintaining safety.
Step-by-step explanation:
Stand pipe connections on the Metro Line in Fairfax County will be placed at regular intervals along the line to ensure efficient water supply and fire protection in case of emergency.
For example, every 500 feet, there may be a stand pipe connection that firefighters can use to access water quickly and easily.
These stand pipe connections are important for maintaining the safety of the Metro Line and its passengers.