PREFACE 



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

 Repair, 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, "Sta- 

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

 Program, 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 

 Program and Dr. Linwood C. Vincent is CERC Program Manager. 



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

 and jetty structures at nine Corps divisions. The case histories contained 

 herein were extracted from information obtained from several sources (where 

 available) which included inspection reports, conferences, telephone conversa- 

 tions, project plans and specifications, project files and correspondence, de- 

 sign memorandums, literature reviews, model studies, surveys (bathymetrlc and 

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

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

 noted, only prominent changes to the prototype structures subsequent to March 



1986 are included in this report. 



This work was conducted at WES during the period April 1985 - January 



1987 under general direction of Dr. James R. Houston, Chief, CERC, and 



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

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

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

 by Mr. Robert R. Bottin, Jr., CW. Messrs. Robert D. Carver, Dennis G. Markle, 

 R. Clay Baumgartner, C. Ray Herrington, and Willie G. Dubose, CW-R, conducted 

 site inspections and collected much of the data contained herein. This report 

 was typed by Ms. Myra E. Willis, CW-R, and edited by Ms. Shirley A. J. Hanshaw, 

 Information Products Division, Information Technology Laboratory, WES. 



COL Dwayne G. Lee, CE, was Commander and Director of WES during the pub- 

 lication of this report. Dr. Robert W. Whalin was Technical Director. 



