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Lagoon Park Roller Coaster Tunnel

Farmington, Utah

Owner:

Lagoon Amusement Park

Engineer:

D. George Hanson Inc.

Contractor:

KBR Systems, Inc.

Installation:

May 2007

In June 2007, Lagoon Park opened a new ride, the “Wicked” roller coaster. Instead of gravity, high-tech linear synchronous motors are used to launch the cars along a horizontal section of track.

The tunnel through which the coaster is first launched is an 8 gauge MULTI-PLATE structure that includes a complicated series of vertical elbows that had to be fit around the support structure of the ride. The design of the elbows had to accommodate enough clearance for riders sitting four across in the cars on the track.

“We are used to fit up problems with track and columns,” said Dal Freeman, Lagoon Park Engineer. “But the tunnel erection was a breeze.”

KBR Systems, who constructed both the MULTI-PLATE enclosure and the buildings associated with the ride, included a sprayed insulation on the inside of the pipe to keep the tunnel at a constant, cool temperature. They also hung a ventilation system and lighting fixtures from the inside of the pipe.

A second MULTI-PLATE structure is also part of the ride further down the track. Riders experience a dip in the ride through this 50’ long structure that is installed on a concrete foundation. Both exposed structures had to be designed for wind, snow and other weather conditions in addition to the typical dead load design.

Technical Description:

  • Span: 16 ft, 8 ft-4 in
  • Length: 90 ft, 50 ft
  • Product: MULTI-PLATE®

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