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Restoration Materials

jpg, 84kb
Native plant material inspection prior to installation 
Materials for restoration include, but are not limited to: plants, compost, topsoil, seed, and mulch.

Restoration Materials Resources
Standard Specification 9-14.4(8): Compost (pdf, 1.6mb)
Standard Specification 9-14.6: Plant Materials (pdf, 1.6mb)
Standard Plan, H-10.10-00: Tree and Shrub Planting Details
(pdf, 376kb) (download Cadd file)
Standard Plan, H-10.15-00: Live Stake Installation Details
(pdf, 247kb) (download Cadd file)

Compost vs no compost
Photo demonstrating compost vs. no compost application

Soil Information
Higher Glomalin Levels Improve Soil Structure
www.ars.usda.gov/is/pr/1997/971002.htm
National Soil Survey Center
http://soils.usda.gov/
Washington State Soils Map
remotesens.css.wsu.edu/washingtonsoil/
Soil Biology
http://www.puyallup.wsu.edu/soilmgmt/Soils.htm Biosolids Information
www.ecy.wa.gov/programs/swfa/biosolids/ 

Contact
Juli Hartwig, PLA
Roadside and Site Development Manager
Hartwij@wsdot.wa.gov
Phone: (360) 705-7242