In order to accommodate the Airbus A380 the Concourse B gates had to be modified. In parallel, separation of arriving and departing passengers in the B concourse was implemented in line with new EU regulations. The project was executed in an operational environment, requiring a carefully phased approach. The project was used to update the technical services to all areas to today's state of art.
Deerns performed all HOAI stages 1-9, from establishing the basics of the project to project management and documentation, for all building services:
• sewage-, water- and gas installations
• heat-producing installations
• ventilation installations
• refrigerating plant
• high voltage installations
• telecom- and data-processing
• conveyor systems
• installations with a specific purpose
• building automation systems
The local landlord, his more than 20 departments and the huge amount of individual tenants in the project area led to a significant demand for coordination and integration of the planning team. To that end Deerns held regular project progress meetings and stakeholder workshops. As much as possible individual tenant demands and wishes were incorporated into the project. By involving the stakeholders commitment for the entire project increased. This is exceptionally important for a project as invasive as this particular project. All departments and tenants needed to understand the argumentation behind any inconvenience, as the construction was to be executed during operations.
Deerns spend about 250.000 man-hours on this project. A single set of drawings with all services and all phases was a 5300 piece puzzle. It started as one single project, but due to changes in the scope and the timeline of the client the project was split in two projects: the east and west wing with 3 to 5 phases in each project. This enabled the team to concentrate on smaller chunks and build the whole project step by step. Which proved to be essential to maintain operations during the build.
All mechanical and electrical systems were updated technically and integrated with the existing infrastructure. To that end Deerns started with a thorough survey and investigation of the existing systems, most of which were built decades ago and very little as-built drawings were available, let alone complete. Once the existing was clearly defined an integrated design was made. The thermal power supply is delivered by the airport-operated heating and cooling plant which feeds the entire airport. This district heating and cooling system delivers hot and chilled water for heating and cooling. Using the central plant the demand from the renewed and refurbished air handling units is covered. This is the foundation for the climate control and allowed for a reduction of the total air volume that is ventilated. A major source of energy reduction. A secondary system has been realized which is able to mitigate peak demands. For the quickly changing population of the gate areas cooling ceilings and building integrated fan coil units are used. The quick response of the systems allows covering the sudden appearance heating and cooling loads efficiently with reduced energy consumption and a lower CO2 emission. The combination of the primary base system and the secondary peak system is a simple but effective sustainable measure for the dynamic terminal area.