2010 ADA Standards for Accessible Design Pocket Guide
1003.2.2 Boarding Piers at Boat Launch Ramps.
Accessible routes serving boarding piers at boat launch ramps shall be permitted to use the exceptions in 1003.2.2.
EXCEPTIONS: 1. Accessible routes serving floating boarding piers shall be permitted to use Exceptions 1, 2, 5, 6, 7 and 8 in 1003.2.1.
2. Where the total length of the gangway or series of gangways serving as part of a required accessible route is 30 feet (9145 mm) minimum, gangways shall not be required to comply with 405.2.
3. Where the accessible route serving a floating boarding pier or skid pier is located within a boat launch ramp, the portion of the accessible route located within the boat launch ramp shall not be required to comply with 405.