Cargo and Cargo Hold Ventilation/Вентиляция грузов и грузовых отсеков

Книга на английском языке
This guide has been produced to provide vessel Masters and crew with a clear and concise understanding of the ventilation requirements for various dry bulk and bagged cargoes. Such awareness will assist in preventing claims for cargo damage, contamination, additional survey costs, delays to ships, avoiding disputes over off-hire and charter party issues, and most importantly averting accidents and injury to crew and other personnel. Further understanding is gained through the inclusion of the applicable regulatory requirements that are included throughout this guide.

Contents
1 Introduction
The purpose of this guide
What is ventilation
Reasons for ventilation
General regulatory requirements
2 Types of ventilation
Natural ventilation
Mechanical ventilation
Mechanical dehumidifying of cargo holds
Ventilator maintenance
3 Сargo sweat and ship sweat
What is cargo sweat?
What is ship sweat?
Understanding relative humidity, dew point and guide to its measurement
4 When to ventilate
Dew Point Rule
Three Degree Rule
Recordkeeping
Hygroscopic cargoes
Hazardous cargoes
5 Cargo stowage
Bagged hygroscopic cargoes
Non-hygroscopic cargoes
Mixed cargoes
6 Fumigation
Fumigant application
Hazards
Charter party clause
7 Confined space entry
What is a confined space?
Hazards
Safe practice
8 Case studies
Case Study 1
Case Study 2
9 Glossary
Appendix 1 - Example of temperature/ventilation log
Appendix 2 - Example of dew point table
Appendix 3 - The companies