displaced at the shoreward transition; the movement occurred during the first 

 wave cycle and the shoreward transition units remained stable for the rest of 

 the testing. As in Plan 6, existing dolosse that extended past the cap were 

 displaced, and in Plan 7 damage to the existing dolosse began to progress 

 shoreward from the end of the cap. Photos 66-68 and 69-71 show the results 

 of the initial and repeat tests, respectively. 



38. Plan 8 (Plate 12 and Photos 72-74) was tested in an effort to find 

 a section that would encompass and provide protection to existing dolosse sea- 

 ward of sta 37+00. A total of 334 rehabilitation dolosse were placed. A 

 trench was excavated along part of the seaward transition to stabilize the 

 toe and is shown in Plate 12. The existing dolosse seaward of the cap end 

 still sustained damage; in addition, three rehabiliation units were displaced 

 along the toe of the seaward transition. Photos 75-77 show the structure 

 after testing. 



39. Plan 9 (Plate 13 and Photos 78-80 was constructed with the 42-ton 

 rehabilitation units encircling the existing dolosse in a continuing effort 

 to provide protection for the existing dolosse seaward of the cap. A total 



of 381 rehabilitation dolosse were placed. Once again, a trench was excavated 

 along part of the seaward transition and is shown in Plate 13. Although this 

 plan did protect the existing dolosse, the seaward transition of the rehabili- 

 tation units sustained damage. Photos 81-83 show the structure after testing. 



40. Plan 10 (Plate 14 Photos 84-86) was based on the photographs taken 

 of the prototype in 1984; the existing dolosse section in the model was modi- 

 fied to more closely represent the 1984 conditions. A new geometry of the 

 seaward transition was tried along with another excavated trench as shown in 

 Plate 14. A total of 348 42-ton rehabilitation units were used. Plan 10 

 sustained an unacceptable amount of damage for the abbreviated hydrograph. 

 Photos 87-89 show the structure after testing. 



41. Plan 11 (Plate 15 and Photos 90-92)' was similar to Plan 10, except 

 the area of coverage was increased. A total of 384 42-ton rehabilitation 

 units were placed. The excavated trench is shown in Plate 15. This plan per- 

 formed satisfactorily for the abbreviated hydrograph. Photos 93-95 show the 

 structure after testing. It was thought by visiting sponsor representatives 

 that the toe placement in the transition areas of the model may have been more 

 precise than what could be obtained in the prototype; thus, Plan 11 was re- 

 peated with the vertical leg of the toe units still placed seaward but in a 



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