Sedimentation Control During Site Development

by Michael L. Jones, (M.ASCE), Sr. Resident Engr.; Washington Public Power Supply System, Elma, Wash.,
Clyde B. Tatum, (M.ASCE), Sr. Resident Engr.; Ebasco Services, Inc., Elma, Wash.,

Serial Information: Journal of the Construction Division, 1980, Vol. 106, Issue 1, Pg. 17-28

Document Type: Journal Paper


WPPSS Nuclear Projects 3 and 5 are currently under construction in Western Washington State. Because of the difficult site topography and the stringent criteria applied to construction runoff, an extensive erosion control program was required for site development. The erosion control systems which were implemented are described, including both design criteria and configuration. Initial site development activities, along with early rainfall events and erosion problems are examined. Operational experience gained in achieving compliance with discharge criteria is then presented. Based on this experience, the writers conclude that systems to achieve compliance with permit criteria can be implemented; however the benefits do not appear to justify the large costs. In many instances, the water quality of the treated runoff exceeded that of the receiving water.

Subject Headings: Construction sites | Erosion | Water quality | Sediment | Runoff | Control systems | Topography | Rainfall | Washington | United States

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