he = 70cm 



0.5 



.Om 



BW9 



Figure A-11. Breakwater 9 cross section. 



BW9 is similar to BW8, except that armor units have been arranged so that 

 all of the dolos units are on the seaward side of the structure. 



B = 30 cm 



hr = 66 cm 



0.5 



1.0 m 



BWIO 



Figure A-12. Breakwater 10 cross section. 



BWIO was made with an armor one unit thick of well-fitted rectangular rock. 

 The material was placed with one surface parallel to the structure face. 



73 



