Transcription of OVERHEAD SIGN STRUCTURE DESIGN MANUAL
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OVERHEAD SIGN STRUCTURE DESIGN MANUAL
NEW YORK STATE DEPARTMENT OF TRANSPORTATION OVERHEAD SIGN STRUCTURE DESIGN MANUAL May 2008 May 2008 i NEW YORK STATE DEPARTMENT OF TRANSPORTATION (NYSDOT) OVERHEAD SIGN STRUCTURE DESIGN MANUAL TABLE OF CONTENTS 1 INTRODUCTION ..1 Scope ..1 Background ..1 General Guidance in Selecting OSS ..2 Applicable 2 METHOD 1 - STANDARD OSS SELECTION USING BD SHEETS ..5 Sign Selection and Electronic BD Sign STRUCTURE Identification Maximum Post Height ..5 OSS Span or Arm Length ..6 Limitations of the Standard OSS Selection STRUCTURE Type Selection ..7 Foundation Cantilever Trussed Arm Spacing Selection ..10 Additional Information Required on BD-OS1/BD-OS8 ..11 Additional OSS ..11 Assembly of Appropriate BD Sheets for the PS&E ..11 Contractor/Fabricator Options ..11 3 METHOD 2 - SPECIAL DESIGN - INDEPENDENT Special DESIGN Applications ..13 Special DESIGN Procedure ..14 4 REFERENCES.
NYSDOT OSS Design Manual 2 May 2008 The Department recognized that the AASHTO recommendations for forces and loads used in the design of overhead sign structures had changed since 1968. New factors, including the issue of Heat Affected Zone for welded aluminum structures, fatigue loads and analyses,
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