NOTES chapter 5 note 1 Step-free access from the exterior to the interior of buildings was uncommon when the Rivergate was designed and built. However, pedestrian entrances at 4 Canal Steet, 101 Poydras Steet, and 301 and 401 Convention Center Boulevard were without steps or barriers to the disabled, and the sizes of the doors were sufficient to admit a person in a wheelchair, as were the sizes of the doors from the Grand Concourse into South Hall and to the facilities on the riverside of the Concourse.