Standard details are provided for constructing various Clark County projects. Details are grouped by construction activity and include details for roadway design, transportation and traffic features, drainage features, and erosion and sediment control. 

Standard details have been grouped according to specific construction categories.

Clark County's Public Works director has approved and signed each standard detail. As standards change, each detail is updated on an "as needed" basis, with the Public Works director approving and signing all changes.

The revision date is included on all standard details. 

Standard details are not to be modified from their current form. Any modification requires removing all signatures since Clark County has not approved the change. Anyone making modifications must assume full responsibility for the changes made.

For details not shown here, refer to:
Standard Details, Washington State Department of Transportation

Any questions regarding these details can be directed to:
Dave Daly
Engineering and Construction Division Manager
Clark County Public Works
360.784.2565
dave.daly@clark.wa.gov

Information about best management practices related to stormwater can be found in:
Clark County Stormwater Manual 2015, Book 2, Best Management Practices Design

Standard details grouped by construction activity:

• Roadway sections
• Transportation
• Traffic
• Drainage
• Erosion control
• Planting
• Standard documents