Annual Ditch and Drainage Maintenance

Timeline

Spring Develop Bid Documents and Select Contractor
Summer Ditching and Culvert Cleaning, Hydroseeding
Fall Drainage Maintenance Projects, Final Clean Up, and Close Out

2019 Drainage Projects

Neighborhood Ditching

Two neighborhoods were selected for ditch maintenance and culvert cleaning, they include Plateau Estates in the north end and SE 16th Pl neighborhood in the south end of the city.

Drainage Maintenance Projects

Four drainage maintenance projects were selected. These include the following:

  1. Uncovering drainage structures at the intersection of East Lake Sammamish Parkway SE and Louis Thompson Rd that were paved over.
  2. Finalizing a slope project from the 2018 drainage maintenance, by seeding the slope.
  3. Enclosing a portion of ditch on Peregrin Point Rd to prevent water from flowing over the curb and entering the roadway.
  4. Installing inlet structures and protection in the Pacific Estates neighborhood to prevent clogging to ensure water can flow into the stormwater system.
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