关于课程
该指南供罐式集装箱行业的专业人员使用；已完成风险评估和健康与安全要求方面适当培训的人员。课程包含：
- 密闭空间定义
- 进入许可
- 人员培训
- 评估罐箱内部进入许可时需要考虑的因素，如前装物、MSDS资料、进罐目的、罐箱清洁状态、内部空气条件等等
What Will You Learn?
- 了解什么是密闭环境
- 掌握安全进罐的要素评估
- 掌握安全进罐操作的流程
- 堆场内部培训的资料参考
Course Content
Introduction
This document provides guidance for ITCO member
companies that engage in activities that require personnel
to enter the interior of a tank for purposes such as
inspection and maintenance.
The document focuses solely on the tank entry process.
Refer to other sources for safety requirements concerning
the many other tasks that might be undertaken.
Tank entry presents inherent risks which require to be
managed by implementing a safe entry process.
Procedures should be reviewed to determine if a process
change could be introduced that would allow tasks to be
carried out without entering the tank - for example,
by viewing the interior from the man-way or by the use
of CCTV.
Nevertheless, when personnel are required to enter a
tank, appropriate safety procedures should be in place to
minimise the risk.
This ITCO guidance is focused on tank entry undertaken
at the site of a Service Provider (Depot) and refers only to
tank containers which are also commonly referred to as
“ISO-tanks”.
Most tank containers comply with the provisions of the
“UN Portable Tank”. However, for ease of reading this
document, the text uses the abbreviated term “tank”
The guidance is intended for the use of tank container
industry professionals; persons who have completed
appropriate training in risk assessment and health and
safety requirements.
National Legislation governs safe entry into a Permit
Required Confined Space and takes precedence over
this document. Always comply with appropriate
legislation applicable to the country of use.
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Introduction
Tank Entry Procedures
Entry into a confined space such as a tank, presents
inherent risks.
Risks are managed by implementing safe entry
procedures. The safe tank entry process should be
thorough, practical and efficient.
The Service Provider should put procedures in place to
identify stocks of tanks that have not undergone the safe
entry process and prevent uncontrolled tank entry.
National Health and Safety Legislation defines a Confined
Space and a Permit Required Confined Space. For
example, OSHA (US Occupational Health and Safety
Administration) define:
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1.1 Confined Space
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1.2 Permit Required Confined Space
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1.3 Training
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1.4 Tank Entry Permit (Certificate)
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1.5 Competency of the person issuing the Tank Entry Permit
Tank Entry Permit
The format of a Tank Entry Permit might vary, but should include at least the minimum content required by Health & Safety Legislation.
The Competent Person should complete all appropriate risk assessments and tests before completing the Entry Permit.
Fig. 1 Tank Entry Permit example:
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2.1 Tank Entry Permit
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2.2 Factors to consider when assessing an Entry Permit
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2.3 Last cargo (substance)
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2.4 Safety data sheet (SDS)
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2.5 Tank cleanliness
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2.6 Atmosphere inside the tank
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2.7 Purpose of tank entry
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2.8 Validity date time
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2.9 Safety equipment
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2.10 Alternative procedures to the issuance of a Tank Entry Permit
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2.11 Safe entry
Appendix A
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3.1 Cleaning Document.
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3.2 Cleaning Receipt (Wash Ticket).
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3.3 Cleaning (Cleanliness) Certificate
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