Elevators enable millions of public buildings to function effectively by seamlessly moving people into them, through them and out of them. Ranging from retail shops to railway stations and airports to schools, car parks, hotels, or stadiums, each of these types of buildings has a unique set of requirements that need to be met.
The purpose Capacity and Speed
The need for traffic planning varies according to the type and usage of the building. For traffic planning purposes, buildings are generally categorized as follows:
Public service (e.g. metros, shopping centers, airports)
Hospital and multi-purpose buildings
Commercial mid-, high- and mega high rise -buildings (e.g. offices, hotels, cruise liners)
The average passenger waiting time in an elevator system is typically below 20 seconds. What other type of public transportation can boast of such performance? Yet to obtain this performance, efficient traffic planning is essential.
Traffic planning is based on the characteristics and the population distribution of a building. Up-peak traffic is most commonly used as a worst case traffic scenario in elevator planning.
Transportation devices should provide:
The two main parameters for elevator traffic planning are:
- Sufficient handling capacity for the traffic demand in the building.
- Short waiting and journey times throughout the day.
- Optimum use of building core space for the building owner.
Traffic planning results in:
- Handling Capacity (HC) – the number of people the elevators can carry to upper floors within five minutes during the morning up-peak
- Interval (I) – the average departure time for elevators from the main entrance during morning up-peak. It is related to passenger waiting times.
- The correct number and type of transportation devices.
- The right sizes and speeds of the transportation devices.
- The proper control systems and features to optimize and synchronize traffic flow.
- The optimum layout for the transportation devices and correct positioning in the building and in relation to one another.
- Easy access to buildings and a smooth flow of people and goods.