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Our Projects

DMA Rappelling Tower

Overview

Stahly Engineering acted as both the lead designer and the structural engineer of record for a 5 story rappelling tower for the Department of Military Affairs (DMA). The structure was comprised of steel concentrically braced frames and partially enclosed with wood planking. The foundation elements included protected with 4 feet of mulched rubber to prevent injury during a potential fall. The tower included a full 50 foot climbing face on one side and cantilevered steel beams on the other to simulate the runners of a helicopter. Stahly used their climbing experience to advise DMA on anchorage techniques and locations to increase the safety and functionality of the tower.

Project Size

5 Stories

Project Value

$385K

Year Completed

2015

Details

Project Highlights:
  • Implemented top anchors into the design
  • Stahly is on the record for the first ascent of the tower
  • Installed lead climb anchors
  • Helicopter simulation included in the design of the rappelling tower
  • The Mulch was created out of recycled tires
  • One face of the tower was a series of doors and windows for training purposes
  • The center of the structure included a 60 foot Fastlane

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Helena Office
3530 Centennial Drive
Helena, MT 59601

(406) 442-8594

Office manager: Robie Culver
Email Us
Bozeman Office
851 Bridger Drive, Suite 1
Bozeman, MT 59715

(406) 522-8594

Office manager: Theron Thompson, P.E.
Email Us
Billings Office
2223 Montana Ave, Suite 201
Billings, MT 59101

(406) 601-4055

Office manager: Dax Simek, P.E.
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Helena Office

3530 Centennial Drive
Helena, MT 59601

(406) 442-8594

Regional Manager:
Clint Smith, CET, CST

Bozeman Office

851 Bridger Drive, Suite 1
Bozeman, MT 59715

(406) 522-8594

Regional Manager:
Zach Lowe, P.E.

Billings Office

2223 Montana Ave, Suite 201
Billings, MT 59101

(406) 601-4055

Regional Manager:
Dax Simek, P.E.

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