Complete guide on draft survey/Полное руководство по обмеру осадки

Издание на английском языке
This book is a practical guide designed for navigators, in order to achieve an absolute understanding of the physics of Draft Survey performance. I hope, that it will reduce the amount of losses of shipowners and insurance organizations, associated with cargo shortage.
Practical guide is written in “a language” the seafarers understand easily. Draft Survey methodology is outlined briefly and provided with many explanatory pictures for better visualization. It will facilitate for you the understanding of the Draft Survey procedure, if you have questions and difficulties still.
This guide may help you to defend your position in the dispute, connected with cargo shortage, referring to the provided explanations.

Contents
1. The fundamentals of Draft Survey
2. Drafts Reading
3. Sampling of Water Density
4. Cargo quantity calculations
4.1 Calculation of Mean Draft and Trim
4.2 Calculations of Draft Corrections and Corrected Draft
4.3 Longitudinal Hull Deflection and Quarter Mean Draft
4.4 The use of Hydrostatic Tables
4.5 First Trim Correction
4.6 Second Trim Correction
4.7 List Correction
4.8 Density Correction
5. Deductibles
5.1 Imaginary Sounding
5.2 Trim correction for Sounding for Slack Condition
5.3 Calculation of the volume corrected on Trim for Wedge Condition
5.4 The case of “an air cushion” in tank
5.5 List correction for the Sounding
5.6 Calculation of the volume corrected on List for Wedge Condition
5.7 Calculation of the ballast water quantity in cargo hold
5.8 Tables for Deductibles calculations
6. Nett Displacement
7. Cargo weight and Constant calculations
8. Factors that may influence Draft survey accuracy
9. Discrepancy in Cargo weight
9.1 Letter of Protest examples
Annex 1. Quick reference Guide. Formulas and rules of signs
Annex 2. Conversion table