LIST OF FIGURES 



No. Page 



1 Location and vicinity map 6 



2 Location of Reaches A through F at Roughans Point 7 



3 Wave gage locations in 3- by 3- by 150-ft-long 



wave tank 10 



4 Plan view of Configuration 1 , seawall with no 



fronting revetment 12 



5 Configuration 1, seawall with no riprap revetment 12 



6 Configuration 2, seawall with standard riprap 



revetment 20 



7 Plan view of Configuration 2 in wave tank 20 



8 Comparison of data trends for Configurations 1 and 2 21 



9 Configuration 2, seawall with standard riprap 



revetment as it appeared in the model study 21 



10 Configuration 3, seawall with a wave absorber riprap 



revetment 22 



11 Configuration 4, seawall with a riprap revetment 



having a wide berm at +8 ft NGVD 22 



12 Comparison of data trends for Configurations 2 and 4 23 



13 Configuration 5, seawall with riprap revetment having 



a double berm at +6 and +10 ft NGVD 23 



14 Configuration 6, seawall with riprap revetment having 



a berm at +10 ft NGVD and 1.0-ft cap on seawall 25 



15 Configuration 7, seawall with riprap revetment having 



a wide berm at +8 ft NGVD and a 1 .0-ft cap on seawall 25 



16 Configuration 8, seawall with riprap revetment having 



a wide berm at +8 ft NGVD and a 2.0-ft cap on seawall 26 



17 Comparison of data trends for Configurations 1, 4, 



7, and 8 26 



18 Configuration 9, seawall with beach breakwater 27 



19 Configuration 9, seawall with beach breakwater as it 



appeared in the model study 28 



20 Configuration 10, sheet-pile seawall with standard 



riprap revetment designed for less severe wave 



conditions 28 



21 Comparison summary of data trends for 



Configurations 1, 3, 5, 6, and 8 31 



22 Comparison summary of data trends for 



Configurations 1 , 2 , 4 , 7 , and 9 32 



