The development of the Piet Heinkade east of the Central Station is the backbone of the Southern riverbank of the IJ in Amsterdam. Bauporte Design Entrances BV designed, manufactured, installed and performs maintenance to the 3 automatic Royal Full Vision 3400 AYN revolving doors of the Piet Hein Buildings.

The main entrances should be available for various types of traffic, such as: Disabled persons, both inside and outside operation is possible, in which the door operates at half speed and adapts to the speed of the person passing by. Wheelchairs, mobility scooter, disabled on crutches, which all have a safe and comfortable passage. The emergency escape/emergency entrance integrated in the door.

When the door receives a signal of the fire alarm the wings of the rotating part will be able to fold away outwards and people are able to leave the building. In closing times the fire department can enter the building through the door with a key or signal. The wings of the rotating part will be able to fold away inwards.