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Needham DBS presents at Fall 2018 JOCO Licensing Seminar


Karen S. Hand, PE, President of Needham DBS, presented a 2 hour seminar to about 90 contractors for the Fall 2018 Johnson County Contractors Licensing Educational Seminar.  The presentation of "Temporary Wind Bracing of Tilt-Up Concrete Panels" was at 8 am-10 am, October 30, 2018 at the Overland Park Convention Center.  

OSHA regulates the construction of buildings with concrete panels by requiring the panels to be temporarily braced to prevent panels from overturning or collapsing during construction. The Tilt-Up Concrete Association's brace document provides contractors and engineers with detailed instructions to interpret the existing codes and apply the forces to panels during the construction phase of the project.  Significant changes have been implemented since the last version. The guide is intended to be used in conjunction with ASCE/SEI 7-16 for access to the figures and tables. Attendees learned historical background leading up to the current guideline.  Major changes to the TCA Guideline for Temporary Wind Bracing of Tilt-Up Concrete Panels During Construction were presented as well as jobsite safety tips and case studies for bracing Tilt-Up Construction.

Grove Performing Arts Center - Inventing the Right Brace

Grove Performing Arts Center - Inventing the Right Brace

What do you do when you need to brace over 100 tons of concrete panels 70 feet in the air, and the longest standard brace available will only reach up about 45 feet? You design, fabricate and deliver your own custom bracing system!

Needham DBS was hired to design precast concrete panels as part of a value engineering effort for Crossland Prefab & Crossland Construction, Inc. at the Grove Performing Arts Center in Grove, Oklahoma. The project consists of load bearing precast panels for a FEMA safe room (storm shelter), a 1,200 seat auditorium, and a 70 foot tall stage area. Working within practical fabrication, shipping and erection limits, Needham DBS leveraged 3D REVIT modelling to layout almost 160 concrete panels containing over 2,600 embeds coordinated with structural steel, MEP and architectural models. Accommodation for structural framing, mechanical duct openings, architectural reveals and details, even special panel lap details for missile protection in the safe room was all performed in 3D for streamlined coordination and detailing.

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