Why are standpipe systems particularly important in buildings over six stories tall?

Standpipe systems are crucial in buildings that exceed six stories because the Fire Department faces significant challenges when it comes to supplying adequate water pressure to higher floors. In taller structures, standard fire hydrants may not provide sufficient pressure to reach the upper levels, which can hinder firefighting efforts during an emergency.

The standpipe system is designed to ensure that firefighters have immediate access to water at the necessary pressure and volume on each floor of the building. This is particularly vital in high-rise situations where timely and effective firefighting is essential for life safety and property protection. By having these systems in place, it allows firefighters to quickly connect hoses to the standpipes rather than relying solely on bringing hoses up numerous flights of stairs, thus facilitating a more efficient response during fires.

The other options do not accurately address the core purpose of standpipe systems in high-rise buildings. For instance, while maintenance may be a consideration, the primary concern in high rises is the ability to deliver adequate water pressure where it's most needed.