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Walibi Holland secures roller coaster with Interlocks

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Walibi Holland secures the newest attraction with trapped key interlocks

The trapped key interlocks from Fortress Interlocks are widely used on machines and processes in various industries, but is it possible to secure a roller coaster with a trapped key system? Definitely! Since last year, the newest roller coaster “UNTAMED” in Walibi Holland has been secured with the trapped key system from Fortress Interlocks. 

Walibi application
Power Isolation Key Switch
Key Switch
Releasing the Isolation key will isolate power from the ride
Inserting the green key will releasy any blue keys
Gate Interlock
Key Exchange Unit
The green power isolation key is trapped until all blue access keys are returned
The blue access key is trapped until the yellow safety key is returned
Blue access keys are inserted to release the yellow safety keys and allow the door to be open
Workers holding yellow safety keys to prevent being locked in

The increasing safety requirements for new attractions require a robust and reliable security system. By applying the Trapped key interlock system it is made impossible for Walibi Holland maintenance personnel to enter the danger zone when the attraction hasn’t been secured in advance.

At the invitation of Wiebe Damstra (Project Manager Walibi Holland) Unique Safety Products has implemented the solution to realize the safety of this roller coaster.

The solution is very accessible but extremely reliable, says Wiebe Damstra: “The Fortress Interlocks trapped key system has proven itself. We will therefore use these products more often for future attractions ”.

The application works as follows:

Walibi Holland's newest rollercoaster UNTAMED

Roller coaster secured with a trapped key system

Figure A: Key switch

By turning the green key the attraction will be shut off.

Figure B: Key exchange unit

When the green key is placed in the key exchange unit, the blue keys can be extracted. The green key stays trapped.

Figure C: Mechanical door lock

The mechanical door interlocks can be opened with the blue keys. The yellow key, which is released from the door interlock, is taken into the danger zone by the maintenance personnel as a personal safety key. After the yellow key is released, the blue key remains trapped.

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