PREFACE 



This report was prepared as part of the Coastal Problem Area of the 

 Repair, Evaluation, Maintenance, and Rehabilitation (REMR) Research Program. 

 Work was carried out jointly under Work Unit 32278, "Rehabilitation of Rubble- 

 Mound Structure Toes," of the REMR Program and Work Unit 31269, "Stability of 

 Breakwaters," of the Civil Works Coastal Area Program. For the REMR Program, 

 Coastal Problem Area Monitor is Mr. John H. Lockhart, Jr., Office, Chief of 

 Engineers (OCE) US Army Corps of Engineers (Corps). REMR Program Manager is 

 Mr. William F. McCleese of the US Army Engineer Waterways Experiment Station's 

 (WES's) Structures Laboratory, and Coastal Problem Area Leader is Mr. D. D. 

 Davidson of WES's Coastal Engineering Research Center (CERC). Messrs. John G. 

 Housley and Lockhart, OCE, are Technical Monitors for the Civil Works Coastal 

 Area Program. 



This report is fourth in a series of case histories of Corps breakwater 

 and jetty structures at nine Corps divisions. The case histories were written 

 from information obtained from several sources (where available) which in- 

 cluded inspection reports, conferences, telephone conversations, project 

 plans and specifications, project files and correspondence, design memoran- 

 dums, literature reviews, model studies, surveys (bathymetric and topo- 

 graphic), survey reports, annual reports to the Chief of Engineers, House and 

 Senate documents, and general and aerial photography. Unless otherwise noted, 

 any changes to the prototype structures subsequent to July 1984 are not 

 included. 



This work was conducted at WES during the period July 1984 to October 

 1985 under general direction of Dr. James R. Houston, Chief, CERC, and 

 Mr. Charles C. Calhoun, Jr., Assistant Chief, CERC; and under direct super- 

 vision of Mr. C. Eugene Chatham, Jr., Chief, Wave Dynamics Division (CW), and 

 Mr. Davidson, Chief, Wave Research Branch (CW-R). This report was prepared 

 by Messrs. Francis E. Sargent, Hydraulic Engineer, Dennis G. Markle, Research 

 Hydraulic Engineer, and Peter J. Grace, Hydraulic Engineer. It was edited by 

 Ms. Shirley A. J. Hanshaw, Information Products Division, Information 

 Technology Laboratory, WES. 



Commander and Director of WES during the publication of this report was 

 COL Dwayne G. Lee, EN. Technical Director was Dr. Robert W. Whalin. 



