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CSA B621-2014 Selection and use of highway tanks TC portable tanks and other large containers for the transportation of dangerous goods Classes 3 4 5 6 1 8 and 9 (Fifth Edition).pdf

1、B621-14Selection and use of highway tanks, TC portable tanks, and other large containers for the transportation of dangerous goods, Classes 3, 4, 5, 6.1, 8, and 9Legal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards devel

2、opment process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoints and interests to achieve consensus and develop a standard. Although CSA Group administers the process and establishes rules to promote fairness in achieving consensus, i

3、t does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis document is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concernin

4、g this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys intellectual property rights. CSA Group does not warrant the accuracy, completeness, or currency of any of the information published in this document. CSA Group makes no represe

5、ntations or warranties regarding this documents compliance with any applicable statute, rule, or regulation. IN NO EVENT SHALL CSA GROUP, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEES, DIRECTORS, OR OFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMA

6、GES, INJURY, LOSS, COSTS, OR EXPENSES, HOWSOEVER CAUSED, INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOST REVENUE, BUSINESS INTERRUPTION, LOST OR DAMAGED DATA, OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OF

7、LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA GROUP HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making this document available, CSA Group is not undertaking to render professional o

8、r other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another person or entity. The information in this document is directed to those who have the appropriate degree of experience to use and apply its contents, and CSA Group accepts no respo

9、nsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document. CSA Group is a private not-for-profit company that publishes voluntary standards and related documents. CSA Group has no power, nor does it undertake, to enforce compliance with

10、 the contents of the standards or other documents it publishes. Intellectual property rights and ownershipAs between CSA Group and the users of this document (whether it be in printed or electronic form), CSA Group is the owner, or the authorized licensee, of all works contained herein that are prot

11、ected by copyright, all trade-marks (except as otherwise noted to the contrary), and all inventions and trade secrets that may be contained in this document, whether or not such inventions and trade secrets are protected by patents and applications for patents. Without limitation, the unauthorized u

12、se, modification, copying, or disclosure of this document may violate laws that protect CSA Groups and/or others intellectual property and may give rise to a right in CSA Group and/or others to seek legal redress for such use, modification, copying, or disclosure. To the extent permitted by licence

13、or by law, CSA Group reserves all intellectual property rights in this document.Patent rightsAttention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. CSA Group shall not be held responsible for identifying any or all such patent rights. Us

14、ers of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authori

15、zed to do only the following:If this document is in electronic form:sLOADTHISDOCUMENTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$(b) provide an explanation of circumstances surrounding the actual field condition; and(c) where possible, phrase

16、 the request in such a way that a specific “yes” or “no” answer will address the issue.Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.(5) T

17、his Standard is subject to review five years from the date of publication. Suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject l

18、ine:(a) Standard designation (number);(b) relevant clause, table, and/or figure number;(c) wording of the proposed change; and(d) rationale for the change. 2014 CSA GroupSelection and use of highway tanks, TC portable tanks,and other large containers for the transportation ofdangerous goods, Classes

19、 3, 4, 5, 6.1, 8, and 9January 2014 1B621-14Selection and use of highway tanks, TC portable tanks, and other large containers for the transportation of dangerous goods, Classes 3, 4, 5, 6.1, 8, and 91Scope1.1This Standard details the requirements for the selection and use, handling, filling, and unl

20、oading of highway tanks, TC portable tanks, and other large containers when they are used as a primary means of containment for the transportation of dangerous goods of Classes 3, 4, 5, 6.1, 8, and 9.1.2This Standard sets out certain minimum requirements for the selection of the appropriate means of

21、 containment for the transportation of dangerous goods. This Standard does not, however, prescribe selection of the materials of construction of the means of containment to ensure chemical compatibility with the dangerous goods. Consequently, it is essential to exercise competent technical and engin

22、eering judgment in conjunction with this Standard.1.3Where any requirement of this Standard differs from the Transportation of Dangerous Goods (TDG) Regulations, the requirements of the TDG Regulations apply.1.4This Standard does not apply to TC 56, CTC 56, and DOT 56 tanks. Requirements for these t

23、anks are provided in CAN/CGSB-43.146. (See Clause 6.4.)1.5This Standard does not apply to TC 57, CTC 57, and DOT 57 tanks. Requirements for these tanks are provided in CAN/CGSB-43.146. (See Clause 6.5.)1.6In CSA Standards, “shall” is used to express a requirement, i.e., a provision that the user is

24、obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability.

25、Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements.

26、Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.B621-14 2014 CSA Group2 January 20141.7The values given in SI (metric) units are the standard. The values given in parentheses are for information only. Units for pressure refer to gauge pressure

27、unless otherwise noted.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below. Where there is an inconsistency between this Standard and a referenced publication other than the Transportation of Dangerous

28、Goods (TDG) Act or Regulations, the requirements of this Standard shall prevail. Application of a referenced publication shall be made only with careful consideration of this Standards reference to that particular publication.CSA GroupB620-1987 (superseded)Highway tanks and portable tanks for the tr

29、ansportation of dangerous goodsCAN/CSA-B620-98 (superseded)Highway tanks and portable tanks for the transportation of dangerous goodsB620-03 (superseded)Highway tanks and portable tanks for the transportation of dangerous goodsB620-09 (superseded)Highway tanks and TC portable tanks for the transport

30、ation of dangerous goodsB620-14Highway tanks and TC portable tanks for the transportation of dangerous goodsASTM International (American Society for Testing and Materials)B162-99 (2009)Standard Specification for Nickel Plate, Sheet, and StripCGSB (Canadian General Standards Board)CAN/CGSB-43.146-200

31、2Design, Manufacture and Use of Intermediate Bulk Containers for the Transportation of Dangerous GoodsCAN/CGSB-43.147-2005Construction, Modification, Qualification, Maintenance, and Selection and Use of Means of Containment for the Handling, Offering for Transport, or Transporting of Dangerous Goods

32、 by RailGovernment of CanadaTransportation of Dangerous Goods Act, S.C. 1992, c. 34, and the Transportation of Dangerous Goods Regulations, as amended from time to timeGovernment of USAUS Code of Federal Regulations, Title 49, Parts 107 to 180, as amended from time to time (referenced as CFR 49)NFPA

33、 (National Fire Protection Association)10-2013Standard for Portable Fire ExinguishersUnited NationsRecommendations on the Transport of Dangerous Goods: Model Regulations, 15th rev. ed (2007) 2014 CSA GroupSelection and use of highway tanks, TC portable tanks,and other large containers for the transp

34、ortation ofdangerous goods, Classes 3, 4, 5, 6.1, 8, and 9January 2014 33 Definitions3.1 GeneralIn addition to the definitions given in Clause 3.2, the definitions in the TDG Act and Regulations and in CSA B620-14 apply in this Standard.3.2 DefinitionsThe following definitions apply in this Standard

35、:Highway tank a tank intended for the transport of dangerous goods by road, consisting of a tank wall fitted with service equipment and structural equipment necessary for the transport or handling of such dangerous goods, and that(a)is permanently attached to or forms a part of a truck or trailer; a

36、nd(b) is loaded or unloaded without being removed from the vehicle.Liquid dangerous goods those dangerous goods that are in liquid or slurry form at any time during loading or transportation, including dangerous goods transported under a liquid blanket.Maximum allowable working pressure (MAWP) the h

37、ighest permissible internal gauge pressure at the top of a loaded tank in its normal operating orientation, including the highest internal gauge pressure during tank loading, unloading, or transport, and not exceeding design pressure.Outage the amount by which a means of containment falls short of b

38、eing full of liquid, usually expressed in per cent by volume.Padding a gas, or mixture of gases, that fills the vacant space in a means of containment.Portable tank a tank intended for the transport of dangerous goods by different modes of transport, consisting of a tank wall fitted with service equ

39、ipment and structural equipment necessary for the transport or handling of such dangerous goods, and that(a)is designed to be loaded into or onto and temporarily attached to a transport vehicle or ship;(b) is equipped with skids, mountings, or accessories to facilitate mechanical handling;(c) enable

40、s the dangerous good to be loaded and unloaded without the removal of structural equipment and without the tank being loaded onto or attached to a transport vehicle;(d) is capable of being lifted when full, unless otherwise specified in this Standard; and(e) is not a highway tank, a rail tank car ta

41、nk, a nonmetallic tank, or an intermediate bulk container (IBC).Primary means of containment any enclosure used as the innermost means of containment for dangerous goods being transported. This can include highway tanks, portable tanks, and other large containers.Solid dangerous goods those dangerou

42、s goods that are in solid, granular, crystalline, or powder form throughout their transport.4 Selection of the means of containment4.1 General requirementsIn addition to any Specific Requirements given in Clause 8 for the particular dangerous goods to be transported, the means of containment shall c

43、omply with the requirements of Clauses 4.2, 4.3, and 4.4. Where a TC specification tank is required by this Standard, the tank shall comply with the applicable requirements of CSA B620-14, unless otherwise specified.B621-14 2014 CSA Group4 January 20144.2 Means of containmentAll primary means of con

44、tainment used for the transportation of dangerous goods shall be(a) watertight and constructed so that neither rain nor road spray can come into contact with the dangerous goods;(b) dust-proof, sift-proof, and constructed so that the dangerous goods are securely retained in the means of containment

45、under normal conditions of transport;(c) constructed of impermeable, nonabsorbent materials that will not be corroded by the lading;(d) designed to facilitate cleaning and decontamination;(e) where the dangerous goods are liquid, leak-free and designed for the transport of liquids; and(f) capable of

46、 withstanding any internal pressure likely to be encountered under normal conditions of transport, without any permanent deformation or leaks.4.3 Dangerous goods and containment material compatibilityThose parts of the means of containment and accessories that contact the dangerous goods shall be co

47、nstructed of a material that is(a) appropriate for the temperature of the material being transported; and(b) one of the following:(i) resistant to deterioration by the goods being transported;(ii) passivated or otherwise treated to reduce the rate of deterioration so that any minimum thickness requi

48、rement is maintained during transportation; or(iii) lined with a nonporous, imperforate material that is resistant to deterioration by the goods being transported and that has thermal expansion and elasticity characteristics compatible with those of the material of construction of the means of conta

49、inment.4.4 MAWP and pressure-relief valve settingsThe MAWP and the set-to-discharge pressure of each safety relief device of a tank shall be greater than or equal to(a)for tanks equipped with a 7kPa (1 psig) normal vent, the sum of the static head of the lading plus 7kPa (1 psig) provided:(i) the lading is gasoline UN 1203, or ethanol and gasoline mixtures UN 3475, transported pursuant to

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