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Changes for LRFD Multipost Program

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Version 1.1 
  *  LRFD LTS implementation  
  *  Modified Steel Beam designation
  *  Corrected Post Cd calculation  


Version 1.1.1 
  *  Reformatted the file and changed variable names for consistency  
  *  Added graphics and drawings 
  *  Revised Breakaway Check criteria 
  *  Removed calculations for P-Delta effects 
  *  Revised calculations for unbraced length

Version 1.2 
  *  Introduced new input z.panel for consideration of sites elevated considerably above the surrounding terrain
  *  Corrected effective length factor for column design
  *  Updated the aluminum post design per LTS-1 with 2022 Interim. 
  *  Converted from Mathcad 15 to Prime 8.
 


