CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



I INTRODUCTION 7 



1. Methodology 7 



2. Reliability of Findings 8 



II GOODYEAR FLOATING TIRE BREAKWATER DESIGN 10 



1. Problem Areas. 10 



2. Effectiveness in Suppressing Waves 15 



3. Cost and Additional Benefits 15 



III OTHER FLOATING BREAKWATER DESIGNS 17 



IV CONCLUSIONS AND RECOMMENDATIONS 20 



APPENDIX 



A FIELD EXPERIENCES: GOODYEAR FLOATING TIRE BREAKWATER 23 



B FIELD EXPERIENCES: OTHER FLOATING BREAKWATERS 69 



C FIELD EXPERIENCE QUESTIONNAIRE 82 



D OTHER KNOWN FLOATING BREAKWATER SITES 89 



E UNCONFIRMED FLOATING BREAKWATER SITES 91 



FIGURES 



1 Goodyear FTB 11 



2 Reported effectiveness of the Goodyear FTB as a function of the 



ratio of the structure's beam to the estimated length of an 



incident storm wave 16 



3 Pole-tire FB 18 



4 Timber caisson FB 18 



5 Steel pipe FB 19 



6 Steel caisson FB 19 



7 Log boom FB 19 



