Report on Structural Stability of Engineered …

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Report on Structural Stability of Engineered Lumber in Fire Conditions Project Number: 07CA42520 File Number: NC9140 Underwriters Laboratories Inc. 333 Pfingsten Road, Northbrook, IL 60062 September 30, 2008 Prepared by: Mark S. Izydorek Patrick A. Zeeveld, Lead Engineering Associate Senior Project Engineer Fire Protection Division Fire Protection Division Matthew D. Samuels James P. Smyser Associate Project Engineer Associate Project Engineer Fire Protection Division Fire Protection Division Reviewed by: Robert M.

File NC9140 Page 5 of 178 Issued: 2008-09-30 Revised: 2009-05-12 Test Assembly No. Supports Ceiling Floor or Roof connections @ 24 inch centers with

  Stability, Connection, Structural, Engineered, Structural stability of engineered