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 of the Civil Works Coastal 

 Area Program. 



This report is sixth in a series of case histories of Corps breakwaters 

 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 memoranda, liter- 

 ature reviews, model studies, surveys (bathymetric and topographic), 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 March 1985 are not included. 



This work was conducted at WES during the period August 1986 to June 

 1987 under general direction of Dr. James R. Houston and Mr. Charles C. 

 Calhoun, Jr., Chief and Assistant Chief, CERC, respectively; and under direct 

 supervision of Mr. C. Eugene Chatham, Jr., Chief, Wave Dynamics Division, 

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

 prepared by Mr. Donald L. Ward, Hydraulic Engineer, CW-R, and edited by 

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

 Technology Laboratory, WES. 



COL Dwayne G. Lee, EN, was Commander and Director of WES during report 

 publication. Dr. Robert W. Whalin was Technical Director. 



