PREFACE 



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

 pair, Evaluation, Maintenance, and Rehabilitation (REMR) Research Program. The 

 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 COCE) , US Army Corps of Engineers CCorps) . REMR Program Manager is 

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

 G^ES's) Structures Laboratory, and Problem Area Leader is Mr. D, D. Davidson, 

 Coastal Engineering Research Center (CERC) . Messrs. John G. Housley and 

 Lockhart, OCE, are Technical Monitors of the Civil Works Coastal Program. 



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

 and jetty structures at nine Corps districts and divisions. The case his- 

 tories herein were written from information obtained from several sources 

 (where available) including inspection reports, conferences, telephone conver- 

 sations, project plans and specifications, project files and correspondence, 

 design memorandums, literature reviews, model studies, surveys (bathjnnetrlc 

 and topographic), survey reports, annual reports to the Chief of Engineers, 

 House and Senate documents, and general and aerial photography. Unless other- 

 wise noted, any changes to the prototype structures subsequent to December 

 1984 are not included. 



This work was conducted at WES during June 1985 to March 1986 under gen- 

 eral direction of Dr. James R. Houston, Chief, CERC, and Mr. Charles C. 

 Calhoun, Jr., Assistant Chief, CERC; and under direct supervision of 

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

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

 Mr. Francis E. Sargent, Hydraulic Engineer, Wave Processes Branch, CERC, and 

 edited by Ms. Shirley A. J. Hanshaw, Information Products Division, Informa- 

 tion Technology Laboratory, WES. 



Commander and Director of WES during publication of this report was 

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



