Dead-end public streets in excess of 150 feet (45 720 mm) in length, as measured from the curb line of the nearest public street that is not a dead-end, shall be provided with an approved turnaround area for fire apparatus that complies with the requirements of FC503.2.9.
Exception: A turnaround shall not be required for dead-end public streets more than 150 feet (45 720 mm) in length if all buildings on such street further than 150 feet (45 720 mm) from the curb line of the nearest street that is not a dead-end are protected throughout by a sprinkler system, excluding buildings in which the lack of a sprinkler system is a lawfully existing condition pursuant to FC 102.3, 102.4 and 102.5.
Exception: A turnaround shall not be required for dead-end public streets more than 150 feet (45 720 mm) in length if all buildings on such street further than 150 feet (45 720 mm) from the curb line of the nearest street that is not a dead-end are protected throughout by a sprinkler system, excluding buildings in which the lack of a sprinkler system is a lawfully existing condition pursuant to FC 102.3, 102.4 and 102.5.
Buildings on public streets that have an unobstructed width of less than 34 feet (10 363 mm) shall be protected throughout by a sprinkler system. Buildings on substandard width public streets that were not required prior to the effective date of this section to be protected throughout by a sprinkler system shall comply with this requirement when undergoing alteration or a change of occupancy subject to FC501.4.3. This requirement shall not apply to any Group U occupancy complying with the requirements of FC503.2.10.