Intelligent building control system in the new Vector company headquarters - GEZE solutions offer significant advantages in planning and operation:
More than 180 GEZE door solutions in the new company headquarters of the Stuttgart-based IT company, Vector. They are all networked via IO 420 interface modules in the BACnet building management system. Photos: GEZE GmbH
Another flagship project by the IT specialists at Vector Informatik: Vector’s IT campus was inaugurated a few months ago as a fifth building for the company’s headquarters. With 34,000 square meters of built-up area with a foyer open on all four floors, 6,500 square meters of office space, an auditorium, seminar areas, a canteen and an underground car park, the building offers plenty of space for the company’s 600 employees.
Maintain an overview at any time and anywhere
Doors and windows, heating and ventilation: the idea is to maintain an overview of the functionality and interaction of the individual trades, so that they can be operated at any time and from any location. These demands are essential to ensure maximum security, the greatest possible user comfort and an efficient, economic operation of the building. For the building management, it is impossible to monitor and operate more than 180 high-quality, highly-versatile GEZE safety door systems constantly. For this reason, all the automated door systems were networked via interface modules using the BACnet building management system.
Photo: GEZE GmbH
Door distributors bring it all together
Using the wide range of options offered by its standard range of door, window and safety technologies as well as its comprehensive solution competence in project construction, GEZE provided customised digital networking solutions. The GEZE-specific solution with door distributors also managed to impress the builders and planners of the Schmelzle + Partner office. These door distributors are the main nodes linking all the lines with the IO 420 BACnet interface module. The uniform design of the GEZE door distributor allows the building manager to have an overview of the interfaces with other modules at each door, and thus also of the networked building technology – no matter how different the functionality of the individual door may be.
Smooth operations: GEZE ensures communication
It goes without saying that GEZE also provided comprehensive support services for realising the project within the shortest time: in the case of multifunctional doors in networked solutions, communication between the various trades is of the essence. The door functions must be precisely tuned with other trades already during the planning phase, for the desired door behaviour to be achieved. With a project coordinator and a central point of contact for all the experts involved, GEZE assumed responsibility in all phases of the project, coordinating the cooperation of builders, planners, metal builders, safety experts, fire protection experts and electrical installers as well as system integrators, to ensure the best possible interaction of the individual systems. The GEZE service monitored the flawless implementation of the project by coordinating the interfaces between the trades.
Photo: GEZE GmbH
The ‘gateway to the campus’
The eighteen-meter-high, 500-square-meter glazed foyer, the ‘gateway to the Vector campus’, is impressive and inviting with a large, yet intricate, door system. The entire system combines barrier-free door convenience, access control, burglar resistance, emergency exit protection and reliable smoke extraction in the event of a fire, with remote operation and monitoring. Two triple-leaf fully automatic revolving doors are additionally equipped with automatic curved sliding doors as night locks. For access for all, the twin doors are flanked by double-leaf automatic emergency exits with ‘strong’ Powerturn swing door drives. With the Smart swing function, the doors can also be easily opened manually. One of the doors is used as a smoke and heat extraction fresh air opening. K 600 retractable arm drives automatically open the doors in the event of fire, and keep them wide open, so that smoke and heat can escape rapidly while ensuring a supply of fresh air. With an access control system and an IQ lock AUT self-locking panic lock, the other door serves as a full panic door. In the event of danger, it can be opened from the inside by anyone, even when locked. The TZ 320 door control unit is the leading safety component of the entire door system, which controls and monitors the doors on site. Via the building management system, the building managers can remotely record the status of this door, as well as of all other doors in the building, at all times. They can modify a door’s status or change the mode of operation (e.g. ‘permanently open’, ‘automatic’). Commands can be issued for single, multiple or all doors (central locking). Individual ‘door scenarios’ can also be stored, so that doors can be opened or closed automatically in a time-controlled manner.
The IO 420 BACnet interface modules are used to exchange data between the doors and the building management system. The desired ‘door intelligence’ information (e.g. whether the door is open/closed, locked/unlocked or malfunctioning) is forwarded via BACnet MS/TP and BACnet/IP communication protocols and displayed on various computers. All executed commands and procedures at a door –and thus also irregularities – are fed into an event log that records the results. In the event of alerts or an undesired door status, immediate action can be taken. To open a door in the event of danger, emergency exit protection (RWS) can be enabled. Any misuse, unauthorised access, abuse or manipulation of RWS-secured doors will be reported immediately. The operating conditions (unlocked/locked) of the self-locking panic locks can also be called up and activated.
Multifunctionality: comfortable, safe and centrally operable
Complex door technology, fine-framed and centrally controllable. The LED background lighting of the door control unit (right) shows the door’s status as ‘locked’. Photos: GEZE GmbH
On the first floor there is a multifunctional safety door in an area accessible only to authorised persons at certain times. Equipped with the Powerturn F drive, the FT500 electric strike for fire protection doors and the TZ 320 door control unit, it is used as a fire section door and a barrier-free emergency exit. The FTV 320 escape door lock unlocks the door when authorised, by pressing the emergency stop button of the door control unit or via the fire alarm system. All door functions can also be monitored and controlled via the building management system. The building managers are spared long distances. A sophisticated door design was achieved despite the complex door technology: the Powerturn is only seven centimetres high. The FTV 320 escape door lock and the electric strikes are so small that they need only minimal space in the door profile. To visually highlight the door’s status, the TZ 320 ‘stainless steel’ design door control unit was additionally selected, together with the ‘backlight’ LED display.
A large number of the interior doors are equipped with the various versions of the GEZE electric strikes range. Controlled by Powerturn drives or an access control system, they are also ‘players’ in the building management system and allow easy, remote, automatic opening of the doors.
Indispensable in buildings with many fine-framed doors: The smallest electric strikes by GEZE ensure an easy automatic opening. Photo: GEZE GmbH
Close collaboration: hold-open and climate control systems
Via the building management system: hold-open systems are also used for climate control in the canteen. Photos: GEZE GmbH
The interaction between the hold-open and climate control systems in the building management system can best be seen in the canteen. Two-leaf full panic emergency exits can be used in their entire width for access for all and as a fresh air opening in the event of a fire. In the event of a fire, the doors are unlocked using the MBZ 300 smoke and heat extraction control unit, via the self-locking IQ lock AUT panic lock, and are automatically ‘opened up’ to the maximum opening width via the K 600 retractable arm drives. The alarm status of the smoke and heat extraction control unit and the ‘open’ status of the doors activate the smoke extraction motors. The door status, which is automatically forwarded to the building management system, enables the building manager to take immediate action: when the alarm status is reset, the hold-open systems close via the door closers and lock automatically. In case of danger, the doors can be opened safely by pressing the panic bar. The CB flex carry bar ensures that the door leaves open in the correct order and are not forced into position.
The advantage of this solution is that the doors can be manually set up in summer operation or for natural ventilation, and can be closed electrically by the GEZE electric hold-open system in the guide rail of the door closer. The building managers have the authority to decide, via the building management system, when the doors should be open and when they must be closed. From the inside, of course, users can operate the door at any time. The door status detected in the building management system is communicated to the climate control system, which can then adapt the settings in an energy-efficient manner. The doors can be automatically controlled in combination with weather and air quality sensors as well as time controls. The electric hold-open system can be activated or deactivated in the same way. This ‘intelligent’ control ensures a solution that is both energy-efficient and burglar-proof.
Maximum safety in the auditorium: equipped with the IQ lock EL DL self-locking panic lock, both door leaves of the full panic door can be opened from the inside in any situation. After people have escaped, a secure lock protects against unauthorised access from the outside and ensures protection against burglary. Using the IO 420 BACnet interface module, the panic lock can be released from the outside, via the building management system, to open the doors, and its status (unlocked/locked) can be monitored. Photos: GEZE GmbH