Soil Retention Coverings

2014-8. Revised on July 27, 2015. This design bulletin replaces the guidance in the Erosion Control and Stormwater Quality Guide, Chapter 5, Sections EC 5 and 6, and provides design staff with guidance on how to select and place Soil Retention Coverings on slopes and in roadside ditches in accordance with new Standard Special Provision, “Revision of Section 216 – Soil Retention Covering”.