The following are archived documents from previous years. View current standards

Improvement Standards

• June 22, 2020
  • Modifications and Additions
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• October 10, 2007
  • Modifications and Additions
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• June 1999
  • Modifications or Additions, June 1999 and September 2001

Standard Construction Specifications

• June 22, 2020
  • Modifications and Additions
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• October 2007
  • Modifications and Additions
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• September 2001

Standard Drawings

• January 17, 2020
  • Modifications and Additions
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• October 24, 2018
• October 10, 2007
  • Modifications and Additions
  • View by Section