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, 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 Experi- 

 ment 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 are Technical Monitors of the Civil Works 

 Coastal Area Program. 



This report is fifth 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), including 

 inspection correspondence, design memorandums, survey reports, and annual re- 

 ports to the Chief of Engineers. Unless otherwise noted, any changes in pro- 

 totype structures subsequent to 1985 are not included. 



This work was conducted at WES during the period June 1985 to December 

 1986 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, Chief, Wave Research Branch (CW-R). This report was pre- 

 pared by Mr. Ernest R. Smith, Hydraulic Engineer, Wave Processes Branch 

 (CW-P). Messrs. John P. Ahrens, Peter J. Grace, John M. Heggins, and 

 Cornelius Lewis, CW-R, and Frances E. Sargent, CW-P, visited project sites 

 and gathered information. Mr. Marvin G. Mize, CW-P, drafted figures, and 

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

 nology Laboratory, edited this report. 



Commander and Director of WES during publication of this report was 

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



