748.5 Matching Existing Structures: Revision history

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10 June 2014

  • curprev 07:0307:03, 10 June 2014Smithk talk contribsm 646 bytes +209 Per Bridge, added env'l requirements for culverts. Clarified that hydraulic performance isn’t actually matched in most cases, but is used as the design criteria for the new structure.

21 December 2011

13 May 2010

5 May 2008