A New Standard In Resilient Stairs

The Challenge

In the face of building movement, occupant safety becomes the highest priority. CS has designed, developed and tested solutions to reduce and eliminate the unintended consequences conventional stair systems impose to structures during a seismic event, such as:

  • • Transfer of forces to unprotected areas of a structure
  • • Connection failures
  • • Compromised egress/evacuation routes
  • • Jeopardized life safety of occupants & EMS services post-earthquake

The Solution

DriftReady Stairs move with the building, so instead of acting like a brace and transferring damaging forces back to the building, the system flexes and accommodates the movement without impacting the stair connection or the surrounding structure.

 

driftready product sheet mockup 500

 

Your expert in seismic movement is now your resource for stairs. For over fifty years, Construction Specialties has been solving building movement challenges. Now, meet DriftReady Stairs. Its patent-pending design keeps the stairs stable at rest, yet flexible when a building moves — much like a spine in the human body. DriftReady Stairs ensures occupants and first responders can enter and exit a building safely after building movement.

 

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Tested. Proven. Ready.

We conducted full-scale shake table tests in the Earthquake Engineering Lab at the University of Nevada, Reno. In one test, we examined several conceptual methods for accommodating MCE movements. In another, we measured the performance of some existing solutions as well as our own refined solutions. A few of the configurations tested can be viewed below.

AP4 Fixed
Fixed-Fixed
Fixed-Free
Fixed-Free_Gussets
Hanger Connection
Hanger-Fixed
Slide Track - Base Glides

Let's Do This

If you have a stair condition that requires a higher performing solution, we would be happy to work with you and your team. To learn more about these solutions via lunch & learn presentation or to discuss integration with an upcoming project, contact us to get started.

lets do thiswhite

Related Documents

DriftReady Metal Stairs Specification

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DriftReady Stairs Test Report

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DriftReady Stairs Test Report Appendix

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Platform™ Solutions Warranty

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DriftReady Stairs Decorative Metal Railings Specification

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SEAOC Stair Paper Black

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Dynamic Characteristics and Seismic Behavior of Prefab Stairs

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