Unseen Art: A Labyrinth Weir System
Protecting Priceless Art

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Brent Massey, principal and VP of operations at CEI Engineering Associates Inc., talks about the challenges of designing and installing a labyrinth weir system beneath the north and south halls at Crystal Bridges Museum of American Art in Bentonville, Arkansas. This video, filmed at the CEI office and on location at the museum, covers four objectives related to hydrologic design, hydraulic structures, design geometry for labyrinth weirs, and firm management. Take the quiz after watching the video and earn one Professional Development Hour. This video was produced by Civil + Structural Engineer magazine, a division of Zweig Group.

In this webcast you will learn the following:

  • Identify the steps necessary to determine hydrologic design flows for critical projects.
  • Evaluate various hydraulic structures based on hydraulic performance, reliability, and ease of maintenance.
  • Understand the basic design geometry for labyrinth weirs.
  • Operating a successful firm post-recession.

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Take the Quiz

1. How were the hydrologic design flows determined for the project?
2. The drainage basin serviced by the labyrinth weirs is 700 acres.
3. Why was a labyrinth weir chosen for the project?
4. What does CEI have the most trouble finding in terms of staff?
5. Which way does the water flow through the Crystal Bridges site?
6. What is the design peak flow for the labyrinth weir system?
7. What did CEI do to enhance company culture and cohesion?
8. What is the difference in elevation from the parking lot to the bottom of the ravine?
9. Why was a sluice gate not used for the project?
10. The north ponds holds 1.5 million gallons of water and the south pond holds 2.5 million gallons of water.

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