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Engineering Development Manual

The Engineering Development Manual (EDM) is a supplement to the Shoreline Municipal Code. The EDM provides information to help with the processes and requirements that apply to private development.

The EDM has four divisions:

Division 1:
Administration - Information about permits
Division 2:
Right-of-Way - Standards and other information about development within the City right-of-way
Division 3:
Surface Water - Policies and design standards about surface/storm water
Division 4: Construction and Inspection - Information about construction and inspection in the City right-of-way

The current EDM can be found here: Engineering Development Manual.

The current EDM is effective starting March 1, 2019. All permit applications completed on or after this date must meet the standards of the current EDM. A summary of the revisions from the previous version to the current version can be found under the 2019 EDM Summary of Revisions.

Standard Plans and Notes

The City publishes the standard plans and notes in the links below.

Future Revisions

Due to the number and content of the comments received on the DRAFT 2020 EDM, a second DRAFT 2020 EDM is now available for final review and comment:   

SECOND DRAFT 2020 Engineering Development Manual 

Please share your comments on the SECOND DRAFT 2020 EDM by February 1, 2020 using the online EDM feedback form.

The EDM will be updated on an annual basis to incorporate changes in development code, meet current development needs, and revise formatting.

The estimated timeline for the annual EDM update process is:

  • July 1st: Deadline for public comments on the current EDM.
  • November 1st: A DRAFT updated EDM is published for additional comment.
  • December 1st: Deadline for public comments on the DRAFT updated EDM.
  • March 1st of the following year: The FINAL updated EDM is published and becomes effective.

Previous Versions

Old versions of the EDM are available here:

2016 Engineering Development Manual

2014 Engineering Development Manual


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