Figure 8. 
Figure 9. 
Figure 10. 
Figure 11. 
Figure 12. 
Figure 13. 
Figure 14. 
Figure 15. 
Figure 16. 
Figure 17. 
Figure 18. 
Figure 19. 
Figure 20. 
2,270-kg (2.5-ton) high-strength concrete units used on harbor 
GCEOORAMUGTIIE ooccasocccogacpo0a000000000000000000008 
Typical cross sections for 1994 breakwater construction ....... 
Aerial photograph of Ofu Harbor breakwater (1996) .......... 
Separation between tribar and rib cap .........-...--.------ 
Separation between “swiss cheese block” underlayer units ..... 
Spalling of 510-kg (1,125-Ib) high-strength concrete 
uNGderlayenMUnitsee see etree eee cee ee eet er eee 
Diagram of monuments and survey control points used at 
Of Harborin cost ee reer roe eres sneeorsiecch alee at 
View of a targeted tribar (three targets established) ........... 
Location of targeted armor units on outer portion of 
breakwater immer eee re ce era rere rence) rer teen: 
Location of targeted armor units on inner portion of 
breakwalce nen nen Ornne noes icc recite ra 
Representative targeted armor unit positions relative to x, 
Wo ING) 74 ABIOS.n ca ooccososnooboovooNE OHNO E MDE Ds GOC0006 
Aerial view of breakwater looking shoreward...............- 
Aerial view of breawater looking seaward ...........-.----- 
