REPORT DOCUMENTATION PAGE 



Form Approved 

 OMB No. 0704-0188 



PuMIc reporting burden forthisc»lle<rton of informalon is oaimatedtoave rage 1 hour per responsejncludingthetl me (or reviewing instmdio^ 



the data needed and completing and reviewing the coOectton of information. Send comments regardng this burden estimate or any other aspect of this collection of information, incLding suggestions 

 for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1 204, Arlington, VA 22202-4302, and to the 

 Office of Management and Budget, Papen«or1< Reduction Project (0704-01 68), Washington. DC 20503. 



1 . AGENCY USE ONLY (Leave blank) 



REPORT DATE 



September 1994 



3. REPORT TYPE AND DATES COVERED 



Final report 



4. TfTLE AND SUBTITLE 



Periodic Inspections of Kahului and Laupahoehoe Breakwaters, Hawaii 



6. AUTHOR(S) 



Dennis G. Markle, Stanley J. Boc 



5. FUNDING NUMBERS 



7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 



U.S. Army Engineer Waterways Experiment Station, 3909 Halls Ferry Road, 



Vicksburg.MS 39180-6199 



U.S. Army Engineer Division, Pacific Ocean, BIdg. 230, Ft. Shatter, HI 96858-5440 



8. PERFORMING ORGANIZATION 

 REPORT NUMBER 



Technical Report CERC-94-12 



9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 

 U.S. Army Corps of Engineers 

 Washington, DC 20314-1000 



10. SPONSORING/MONITORING 

 AGENCY REPORT NUMBER 



11. SUPPLEMENTARY NOTES 



Available from National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161. 



12a. DISTRIBUTION/AVAILABILITY STATEMENT 



Approved for public release; distribution is unlimited. 



12b. DISTRIBUTION CODE 



1 3. ABSTRACT (Maximum 200 words) 



Under the Monitoring of Completed Coastal Projects (MCCP) work unit. Periodic Inspections, past MCCP structures and 

 structures with unique design aspects that have probable applications to other projects are considered for inclusion in a 

 periodic monitoring program. The emphasis of the work is to measure the long-term response of the above- water portions of 

 the structures to their environment. 



The rubble-mound breakwaters at Kahului Harbor, Maui, Hawaii, and Laupahoehoe Boat Launching Facility, 

 Laupahoehoe Point, Hawaii, Hawaii, are armored with concrete armor unit and concrete rib caps. By means of limited land 

 surveys, low-level helicopter inspections with 35-mm photography, aerial photography, and photogrammetric analysis base 

 conditions have been established for the breakwaters. 



Now that the base (control) conditions have been defined and a method has been developed to closely compare subsequent 

 years of high-resolution aerial photography of the Kahului and Laupahoehoe breakwaters, these sites will be revisited during 

 future years to gather data by which assessments can be made on the long-term response of the structures to their 

 environment. Insight gathered from these efforts will allow definite decisions to be made based on sound data as to whether 

 or not closer surveillance and/or repair of a structure is required to reduce the chance that it will fail catastrophically. 



14. SUBJECT TERMS 



Armor stability 



Breakwaters 



Photogrammetry 



Photography 

 Rubble mound 

 Surveying 



15. NUMBER OF PAGES 

 90 



16. PRICE CODE 



17. SECURITY CLASSIFICATION 

 OF REPORT 



UNCLASSIFIED 



18. SECURITY CLASSIFICATION 

 OF THIS PAGE 



UNCLASSIFIED 



19. SECURITY CLASSIFICATION 

 OF ABSTRACT 



20. UMITATION OF ABSTRACT 



NSN 7540-01-280-5500 



Standard Form 298 (Rev. 2-89) 



Presciibed by ANSI Std. Z39-18 

 298-102 



