An Introduction to an Overview of Hydrographic Survey Techniques

Book excerpt: Introductory technical guidance for civil engineers and construction managers interested in hydrographic surveys of various types of waterways. This is what is discussed: 1. INTRODUCTION 2. GENERAL HYDROGRAPHIC SURVEY METHODS 3. SURVEY COVERAGE OPTIONS 4. SURVEY LINE SPACING AND ALIGNMENT SPECIFICATIONS 5. HORIZONTAL POSITIONING METHODS AND DATUM SPECIFICATIONS 6. VERTICAL DATUM SPECIFICATIONS 7. WATER SURFACE ELEVATION MEASUREMENT SPECIFICATIONS 8. VESSEL MOTION AND ORIENTATION REQUIREMENTS 9. QUALITY CONTROL AND QUALITY ASSURANCE 10. MISCELLANEOUS 11. GENERAL PLANNING CONSIDERATIONS 12. DETERMINING PROJECT ACCURACY REQUIREMENTS 13. DETERMINING REQUIRED DATA DENSITY 14. VESSEL SELECTION CONSIDERATIONS 15 DATA MAY BE INITIALLY REVIEWED 16. OFFICE DATA EDITING AND PROCESSING 17. INITIAL FIELD DATA REVIEW AND EDITING 18. OFFICE DATA EDITING AND PROCESSING 19. DEPTH SELECTION OPTIONS 20. HARD COPY PLOT OPTIONS 21. SELECTING REPRESENTATIVE DEPTHS ON PLAN DRAWINGS 22. TERRAIN MODELING 23. DATA SUBMITTAL TO PROJECT/DESIGN ENGINEER 24. RETENTION OF HARD-COPY DEPTH RECORDS.