PREFACE 



This report is a product of the Wave Runup and Overtopping Work Unit, 

 Coastal Structure Evaluation and Design Research Program, of the US Army Corps 

 of Engineers. Mr. John H. Lockhart, Jr., Office, Chief of Engineers, was the 

 Technical Monitor. 



The report was written at the US Army Engineer Waterways Experiment 

 Station (WES) by Mr. Scott L. Douglass, Hydraulic Engineer in the Coastal 

 Structures and Evaluation Branch of the Engineering Development Division, 

 Coastal Engineering Research Center (CERC). The work was directed by Mr. John 

 Ahrens, Engineer, Wave Research Branch, Wave Dynamics Division, under the 

 general supervision of Mr. D. D. Davidson, Chief, Wave Research Branch, and 

 Dr. James R. Houston, Chief, CERC. 



COL Allen F. Grum, USA, was the previous Director of WES. COL Dwayne G. 

 Lee, CE, is the present Commander and Director. Dr. Robert W. Whalin is 

 Technical Director. 



