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In observance of Christmas, all Douglas County offices will close at noon on Tuesday, Dec. 24, and be closed for the entire day on Wednesday, Dec. 25, 2024. Offices will reopen at 8 a.m. on Thursday, Dec. 26, for normal business. Offices will be closed on Wednesday, Jan. 1, 2025, in observance of New Year’s Day and reopen at 8 a.m. on Thursday, Jan. 2, for normal business.
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Public Works

Development Review

(Links to All Forms, Permits and Applications are below)

New development means new public roads (and sometimes private roads), and all drainage improvements required to eliminate the possibility of damage to downstream properties.

 

New development can require:

  • Construction Plans (extensive) for the roads (according to the Douglas County Roadway Design and Construction Standards)
  • Drainage Reports (according to the Douglas County Storm Drainage Design and Technical Criteria manual)
  • Pavement Design Reports for the design of the pavement thickness
  • Grading Plans which show proposed dirt-work and erosion control for preventing sediment from leaving the site
  • Traffic Reports submitted to the County which analyzes the impact of the proposed development on existing public streets
Read More

Criteria Manuals

Grading, Erosion, and Sediment Control Manual (GESC) and Drainage, Erosion, and Sediment Control (DESC) Manual

Roadway Design and Construction Standards Manual

Storm Drainage Design and Technical Criteria Manual

Engineering Agreement Forms

Assignment of Subdivision Improvements Agreement and Development Rights

Updated August 2008

Irrevocable Letter of Credit form for SIA 

Updated August 2008

Irrevocable Letter of Credit form for SIPIA 

Updated August 2008

Site Improvement Plan Improvements Agreement (SIPIA)

Updated July 2013

Subdivision Improvements Agreement (SIA) 

Updated July 2013

Subdivision Improvements Agreement for Private Development (SIA for Private) 

Updated July 2013

Engineering Warranty and Maintenance Applications

Request for Final Release of Security for Private Improvements

Request for Full Term Maintenance

Request for Initial Warranty Acceptance

Request for Initial Warranty Acceptance of Private Improvements

Engineering Fees and Submittal Forms

Engineering Review Fee Form

Engineering Submittal Form 

Updated June 2013

User Fee Manual

Revised April 2016

Additional Resources

Douglas County Drill Seed Mixes

Stormwater Management Facility Operation Maintenance Manual

Updated March 2013