CONTENTS 



Page 



PREFACE 1 



CONVERSION FACTORS, NON-SI TO SI (METRIC) UNITS OF MEASUREMENT 4 



PART I : INTRODUCTION 5 



PART II : BACKGROUND AND PRINCIPLES OF OPERATION 7 



Theory 7 



Sonograph Characteristics 8 



PART III: CERC FIELD EXPERIENCE 15 



Cleveland Harbor 16 



Manasquan Inlet, New Jersey, Jetties 25 



Ocean City Inlet , Maryland , South Jetty 28 



Burns Harbor, Indiana, and Calumet Harbor, Illinois 30 



Crescent City, California, Breakwater 39 



St. Lucie Inlet, Florida, San Bypassing Study 43 



East Pass, Florida, Jetties 48 



PART IV: OTHER APPLICATIONS OF SIDE-SCAN SONAR INSPECTIONS OF 



COASTAL RELATED STRUCTURES 51 



Vertical Wall Harbor Structures 51 



Dredged Material Disposal Sites 53 



Other Applications 55 



PART V : OPERATING PARAMETERS 57 



Vessel Requirements 60 



Site Limitations 60 



Operator Experience 61 



Structure Type 62 



PART VI : SURVEY PURPOSE 63 



Reconnaissance 63 



Inspection 63 



Monitoring 64 



Techniques for Surveying Vertical Walls 66 



PART VII : APPLICATIONS 68 



PART VIII : CONCLUSION 69 



REFERENCES 71 



