FAQ on UN Portable Tanks

Design and Construction

Selection and Use

UN Portable Tank Facility Registration

UN Portable Tank Independent Inspectors, Design Reviewers, Design Agencies and Design Engineers Registration

UN Portable Tank Impact Test Facilities and Inspection Agencies Registration

What is a UN portable tank?

A UN portable tank is a tank intended for the transport of dangerous goods by different modes of transport, consisting of a shell fitted with service equipment and structural equipment necessary for the handling or transport of such dangerous goods.

How do I identify a specification UN portable tank?

UN portable tanks used for dangerous goods are permanently marked with information with respect to their specifications.

Each UN portable tank must have permanently marked on the metal identification plate the following:

  1. owner information:
    1. the owner's name; and
    2. the owner's registration number;
  2. manufacturing information:
    1. the country of manufacture;
    2. the year of manufacture;
    3. the manufacturer's name or mark; and
    4. the manufacturer's serial number;
  3. approval information:
    1. the United Nations packaging symbol (this symbol shall not be used for a purpose other than certifying that packaging complies with the applicable requirements of this Standard);
    2. the approval country (ex: Canada);
    3. the authorized body for the design approval (Design Reviewer's name and registered mark);
    4. the design approval number (issued by the Design Reviewer);
    5. the pressure vessel code to which the shell is designed (ex: ASME Code, Section VIII, Division 1);
    6. "TC IMPACT APPROVED" or "TC IMPACT APPROVED/SATISFAIT A L'ESSAI DE CHOC TC" (1) (if applicable); and
    7. T Code (if applicable);
  4. pressures:
    1. the MAWP (in bar gauge or kPa gauge)*;
    2. the test pressure (in bar gauge or kPa gauge)*;
    3. the initial pressure test date (month and year);
    4. the identification mark of the initial pressure test witness (Independent Inspector);
    5. the external design pressure (if applicable) (in bar gauge or kPa gauge)*; and
    6. the MAWP for the heating/cooling system (in bar gauge or kPa gauge)* (when applicable);
  5. temperatures:
    1. the design temperature range (if applicable) (in °C)*;
    2. the design reference temperature (if applicable) (in °C)*; and
    3. the minimum design temperature (if applicable) (in °C)*;
  6. materials:
    1. the shell material(s) and material standard reference(s);
    2. the equivalent thickness in reference steel (in mm)*; and
    3. the lining material (if applicable);
  7. capacity:
    1. the tank water capacity at 20 °C (in litres)*. This indication shall be followed by the symbol "S" when the tank is divided by surge plates into sections of not more than 7500 L capacity (if applicable); and
    2. the capacity of each compartment at 20 °C (if applicable) (in litres)*. This indication shall be followed by the symbol "S" when the compartment is divided by surge plates into sections of not more than 7500 L capacity;
  8. insulation (if applicable):
    1. either "Thermally Insulated" or "Vacuum Insulated" (as applicable); and
    2. the effectiveness of the insulation system (heat influx) (in watts)*;
  9. hold times (applicable to each refrigerated liquefied gas permitted to be transported in the portable tank):
    1. the name, in full, of the refrigerated liquefied gas;
    2. the reference holding time (in days or hours)*;
    3. the initial pressure (in bar gauge or kPa gauge)*; and
    4. the degree of filling (in kg)*; and
  10. periodic inspections and tests
    1. the type (if applicable) of the most recent periodic test;
    2. the date of the most recent periodic test (month and year);
    3. the test pressure (in bar gauge or kPa gauge)* of the most recent periodic test (if applicable); and
    4. the identification mark of the authorized body (Independent Inspector) that witnessed the most recent test.

Example:

Owner

ABC Company

Owner's registration number

ABC12345

Manufacturing information

Country of manufacture

Canada

Year of manufacture

2015

Manufacturer

XYZ Manufacturing

Manufacturer's serial number

XYZ54321

Approval information

Approval country
CANADA
Authorized body for design approval
JKL Designs
Design approval number
JKL12345

Shell design code (pressure vessel code)

ASME Code, Section VIII, Division 1

TC IMPACT APPROVED (if applicable)

XYZ Manufacturing – December 2015

(Other approval information, as applicable)

Pressures

MAWP

7.93 barg

Test pressure

11.79 barg

Initial pressure test date:

(mm/yyyy) 08/2015

Witness stamp:

JKL

External design pressure

bar or kPa

MAWP for heating/cooling system (if applicable)

bar or kPa

Temperatures

Design temperature range

-195.6 °C to 37.8 °C

Materials

Shell material(s) and material standard references

SA240, Gr201SS

Equivalent thickness in reference steel

8.81 / 10.26 mm

Lining material (if applicable)

 

Capacity

Water capacity at 20 °C

41978 litres

'S' (if applicable)

Water capacity of compartment ___ at 20 °C
(as applicable, for multi-compartment tanks)

litres

'S' (if applicable)

Periodic inspections/tests
Test type Test date Witness stamp and test pressure* Test type Test date Witness stamp and test pressure*

 

(mm/yyyy)

 

bar or kPa

 

(mm/yyyy)

 

bar or kPa

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Design and Construction

What are the design and construction requirements for UN portable tanks?

UN portable tanks need to be designed and constructed in accordance with the Transportation of Dangerous Goods Act and Regulations and the Standard CSA-B625 – Portable tanks for the transport of dangerous goods.

Selection and Use

How do I select and use a UN Portable Tank?

The selection and use of UN portable tanks must be done in accordance with the Standard CSA-B625 – Portable tanks for the transport of dangerous goods. Certain dangerous goods of Class 2, 3, 4, 5, 6, 8 and 9 may be transported using UN portable tanks.

Note: For the selection and use of Explosives (Class 1), you must refer to the standard CGSB-43.151 - Packaging, handling, offering for transport and transport of Explosives (Class 1).

UN Portable Tank Facility Registration

How do I register my UN portable tank manufacturing facility?

A UN portable tank manufacturing facility must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, address, telephone number, and e-mail address of the applicant;
  2. the name and location of the manufacturing facility and a description of the manufacturing process;
  3. when applicable, a brief description of the applicant's quality management system, including procedures for the qualification of personnel expected to participate in the manufacturing process;
  4. a summary of the inspection and testing procedures;
  5. detailed information on the type(s) of portable tank(s) that will be manufactured, including minimum test pressure, intended service, MAWP, and the T Code(s) portable tank instructions (as applicable, as defined in Annex B) that apply to the portable tanks;
  6. if the facility will be manufacturing
    1. portable tanks intended for non-refrigerated or refrigerated liquefied gases of Class 2; or
    2. tank shells that will be certified and stamped (the "U" stamp) in accordance with the requirements of the ASME Code, Section VIII, Division 1, evidence of a valid Certificate of Authorization for the use of the ASME "U" stamp at the manufacturing facility;
  7. the name and address of the Independent Inspector to be employed;
  8. a copy of a sample portable tank Certificate of Compliance; and
  9. a photo, representation, or facsimile of a completed sample UN portable tank metal identification plate that will be affixed to the portable tanks, as required by Clause 5.1.8.4.

NOTE: Manufacturers of auxiliary equipment such as service equipment, structural equipment, and other parts manufacturers do not need to be registered.

How do I register my UN portable tank inspection, test or repair facility?

A UN portable tank inspection, test or repair facility must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, address, telephone number, and e-mail address of the applicant;
  2. a description of the applicant's control procedures for the qualification of personnel expected to carry out functions specified in this Standard;
  3. a listing of all the physical location(s) of the facility(ies) and contact person(s) at each location (as applicable); and
  4. for each physical facility
    1. a detailed description of the functions (inspect, test, or repair, as applicable) that will be performed on portable tanks;
    2. when applicable, a summary of the inspection and testing procedures;
    3. detailed information on the type(s) of portable tank(s) that will be inspected, tested, or repaired (as applicable), including minimum test pressure, intended service, MAWP, and the T Code(s) portable tank instructions (as applicable, as defined in Annex B) that apply to the portable tanks;
    4. if the facility will be involved in the repair of portable tanks intended for non-refrigerated or refrigerated liquefied gases of Class 2, or of tank shells that are constructed, certified, and stamped (the "U" stamp) in accordance with the requirements of the ASME Code, Section VIII, Division 1, evidence of the facility holding a valid Certificate of Authorization for the use of the "R" stamp code symbol; and
    5. the name and address of the Independent Inspector to be employed, where applicable.

UN Portable Tank Independent Inspectors, Design Reviewers, Design Agencies and Design Engineers Registration

How do I register as a UN portable tank independent inspector?

A UN portable tank independent inspector must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, address, telephone number, e-mail address, and principal business activity of the applicant;
  2. a description of the applicant's procedures for the qualification of personnel expected to act as Independent Inspectors to carry out functions specified in this Standard;
  3. the inspection functions that the applicant intends to perform and the type(s) of portable tank(s) on which these functions will be performed, including minimum test pressure, intended service, MAWP, and the T Code(s) portable tank instructions (as applicable, as defined in Annex B) that apply to the portable tanks; and
  4. a copy of a sample inspection report.

How do I register as a UN portable tank design reviewer or design agency?

A UN portable tank design reviewer or design agency must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, street address, mailing address, telephone number, and e-mail address of the applicant;
  2. the name, title, telephone number, and e-mail address of an employee or partner of the applicant, who will be responsible for approving UN portable tank designs on behalf of the Design Review Agency;
  3. when applicable, a brief description of the applicant's quality management system, including control procedures for the qualification of personnel involved or expected to be involved in the design review process of UN portable tanks;
  4. a copy of a sample Design Approval Certificate; and
  5. when applicable, a description of the Independent Inspection functions that the applicant intends to perform, including
    1. a description of the applicant's procedures for the qualification of personnel expected to act as Independent Inspectors to carry out functions specified in this Standard;
    2. the inspection functions that the applicant intends to perform and the type(s) of portable tank(s) on which these function will be performed, including minimum test pressure, intended service, MAWP, and the T Code(s) portable tank instructions (as applicable, as defined in Annex B) that apply to the portable tanks; and
    3. a copy of a sample inspection report.

How do I register as a UN portable tank design engineer?

A UN portable tank design engineer must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. name, street address, mailing address, telephone number, and e-mail address of the applicant;
  2. name, street address, mailing address, telephone number, and e-mail address of the applicant's employer (if applicable);
  3. evidence of the applicant's status as a licensed Professional Engineer by a province or territory in Canada;
  4. a description of the type(s) of portable tank design(s) that the applicant intends to review, including minimum test pressure, intended service, MAWP, and the T Code(s) portable tank instructions (as applicable, as defined in Annex B) that apply to the portable tanks;
  5. a copy of a sample Design Approval Certificate; and
  6. a description of the qualifications and experience of the applicant, including
    1. knowledge of the Transportation of Dangerous Goods Act, the Transportation of Dangerous Goods Regulations, this Standard, and the applicable sections of the ASME Code, Section VIII, Division 1;
    2. the ability to review and evaluate design drawings and stress calculations for portable tanks; and
    3. a summary of work experience demonstrating at least one year of experience in the design of pressure vessels. Information shall include, for each work experience, the following:
      1. employer;
      2. position;
      3. years of service; and
      4. responsibilities.

UN Portable Tank Impact Test Facilities and Inspection Agencies Registration

How do I register my UN portable tank impact test facility?

A UN portable tank impact test facility must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, street address, mailing address, telephone number, and e-mail address of the applicant and, if applicable, name of contact person;
  2. the name and location of the impact test facility;
  3. a detailed procedure for the dynamic longitudinal impact test; and
  4. a copy of a sample test report.

How do I register as an inspection agency (i.e. test witness?

A UN portable tank inspection agency (i.e. test witness) must complete an application and apply for a certificate of registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

The following information is required to complete the application:

  1. the name, street address, mailing address, telephone number, and e-mail address of the applicant, and, if applicable, name of contact person;
  2. the procedure(s) and criteria that will be used for assessing new designs;
  3. the acceptance criteria used during the dynamic longitudinal impact test;
  4. a description of the applicant's procedures for the qualification of inspection personnel based on their experience and training; and
  5. a copy of a sample inspection report.

How do I amend, renew or cancel my registration?

A registration can be amended or renewed by completing an application and applying for an amendment or a renewal with respect to your registration. Applications for registration are available by contacting MOCregister-Registrecontenant@tc.gc.ca.

In the event that registration is no longer required, submit written confirmation to MOCregister-Registrecontenant@tc.gc.ca confirming that the certificate of registration is no longer required and that all activities related to the certificate of registration have ceased.

Where can I obtain more information?

For more information on matters pertaining to CSA-B625:

Inquiries pertaining to applications for registration:
1-855-298-1520
MOCregister-Registrecontenant@tc.gc.ca

Technical inquiries:
tdgcontainers-tmdcontenants@tc.gc.ca.
Please include the text "UN Portable Tanks" in the subject line.

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