10 - 15cm (4 - 6 in.) ASPHALT CONCRETE 



HEIGHT STORM WAVE CREST 



20 - 30cm (8 - 12 in.) ASPHALT CONCRETE 



MEAN HIGH WATER \ 



HEAVY RIPRAP, 

 ASPHALT GROUTED 



■*&* 



^ 



3^- 



'£?>&<* 





Figure 42. Seawall slope revetment. 



Figure 43. Placing mix by spreader box. 



178 



