Tanks for transport of dangerous goods - Sealed parcel delivery systems - Working principles and interface specifications

EN 15208 is applicable to sealed parcel delivery systems used with transport tanks and specifies the performance requirements, critical safety aspects, data transfer methods between loading gantries and transport tank, transport tank and delivery points, other optional communications and tests to provide functional and compatible systems. Sealed parcel delivery systems covered by this European Standard is for bottom loaded transport tanks. The systems specified by this European Standard are suitable for use with liquid petroleum products and other dangerous substances of Class 3 of ADR which have a vapour pressure not exceeding 110 kPa at 50 °C and petrol, and which have no sub-classification as toxic or corrosive.

Tanks für die Beförderung gefährlicher Güter - Versiegelte Transportsysteme - Arbeitsgrundlagen und Schnittstellenfestlegungen

Diese Europäische Norm gilt für versiegelte Transportsysteme, die an Transporttanks eingesetzt werden. Sie legt Leistungsanforderungen, kritische Sicherheitsaspekte, Verfahren der Datenübertragung zwischen Ladebühnen und Transporttank sowie zwischen Transporttank und Lieferstellen und weitere wahlfreie Kommunikationsmöglichkeiten und Prüfungen fest, womit funktionsfähige und kompatible Systeme geschaf-fen werden können.
Die durch diese Europäische Norm abgedeckten versiegelten Transportsysteme sind für Transporttanks mit Untenbefüllung vorgesehen.
Die in dieser Europäischen Norm festgelegten Systeme sind für den Einsatz bei flüssigen Mineralölerzeugnissen und weiteren gefährlichen Stoffen der Klasse 3 nach ADR geeignet, deren Dampfdruck bei 50 °C 110 kPa nicht überschreitet, sowie Ottokraftstoff, und die nicht als toxisch oder korrosiv eingestuft sind.

Citernes destinées au transport de matières dangereuses - Systèmes de livraison par cargaisons scellées - Principes de fonctionnement et spécification des interfaces

La présente Norme européenne s’applique aux systèmes de livraison par cargaisons scellées utilisés avec les citernes de transport. Elle précise les exigences en matière de performance, les aspects de sécurité critique, les méthodes de transfert de données entre les postes de chargement et la citerne de transport, puis entre la citerne de transport et les points de livraison, ainsi que d’autres communications et essais facultatifs permettant de proposer des systèmes fonctionnels et compatibles.
Les systèmes de livraison par cargaisons scellées couverts par la présente Norme européenne sont destinés aux citernes de transport chargées par le bas.
Les systèmes spécifiés dans la présente Norme européenne peuvent être utilisés avec des produits pétroliers liquides et d’autres matières dangereuses de Classe 3 de l’ADR dont la pression de vapeur ne dépasse pas 110 kPa à 50 °C et le pétrole, et qui ne sont pas considérés comme toxiques ou corrosifs.

Cisterne za prevoz nevarnega blaga - Sistemi za dostavo zapečatenih razdelkov - Načini delovanja in specifikacije za vmesnike

EN 15208 velja za sisteme za dostavo zapečatenih razdelkov, ki se uporabljajo s cisternami za prevoz, in določa zahteve glede učinkovitosti, kritične varstvene vidike, metode prenosa podatkov med žerjavi za natovarjanje in cisterno za prevoz ter cisterno za prevoz in dostavnimi točkami, drugo možno komunikacijo ter preskuse za zagotavljanje funkcionalnih in združljivih sistemov. Sistemi za dostavo zapečatenih razdelkov, ki jih obravnava ta evropski standard, so namenjeni cisternam za prevoz, ki se natovarjajo z dna. Sistemi, ki jih določa ta evropski standard, so primerni za uporabo s tekočimi naftnimi proizvodi in drugimi nevarnimi snovmi kategorije 3 ADR, katerih parni tlak ne presega 110 kPa pri 50 °C, ter z motornim bencinom, pri čemer niso dodatno opredeljeni kot strupeni ali korozivni.

General Information

Status
Published
Public Enquiry End Date
31-Oct-2012
Publication Date
08-Jun-2014
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
29-May-2014
Due Date
03-Aug-2014
Completion Date
09-Jun-2014

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Tanks für die Beförderung gefährlicher Güter - Versiegelte Transportsysteme - Arbeitsgrundlagen und SchnittstellenfestlegungenCiternes destinées au transport de matières dangereuses - Systèmes de livraison par cargaisons scellées - Principes de fonctionnement et spécification des interfacesTanks for transport of dangerous goods - Sealed parcel delivery systems - Working principles and interface specifications23.020.20Posode in vsebniki, montirani na vozilaVessels and containers mounted on vehicles13.300Varstvo pred nevarnimi izdelkiProtection against dangerous goodsICS:Ta slovenski standard je istoveten z:EN 15208:2014SIST EN 15208:2014en,fr,de01-julij-2014SIST EN 15208:2014SLOVENSKI

STANDARDSIST EN 15208:20071DGRPHãþD
SIST EN 15208:2014
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15208
May 2014 ICS 23.020.20 Supersedes EN 15208:2007English Version

Tanks for transport of dangerous goods - Sealed parcel delivery systems - Working principles and interface specifications

Citernes destinées au transport de matières dangereuses -Systèmes de livraison par cargaisons scellées - Principes de fonctionnement et spécification des interfaces

Tanks für die Beförderung gefährlicher Güter - Versiegelte Transportsysteme - Arbeitsgrundlagen und Schnittstellenfestlegungen This European Standard was approved by CEN on 20 March 2014.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,

B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15208:2014 ESIST EN 15208:2014

EN 15208:2014 (E) 2 Contents Page Foreword ..............................................................................................................................................................3 Introduction .........................................................................................................................................................4 1 Scope ......................................................................................................................................................5 2 Normative references ............................................................................................................................5 3 Terms and definitions ...........................................................................................................................6 4 Aims (functions) of SPDS .................................................................................................................. 10 5 Functionality ........................................................................................................................................ 10 6 Design characteristics ....................................................................................................................... 14 7 Tests ..................................................................................................................................................... 20 8 Marking ................................................................................................................................................ 25 9 Installation, operating and maintenance recommendations .......................................................... 25 Annex A (normative) DTMQ guide using smart card ................................................................................... 26 Annex B (normative) PID protocol ................................................................................................................. 65 Annex C (normative) Correspondence system ............................................................................................ 68 Annex D (informative) Mechanical endurance test apparatus .................................................................... 69 Bibliography ..................................................................................................................................................... 70

SIST EN 15208:2014

EN 15208:2014 (E) 3 Foreword This document (EN 15208:2014) has been prepared by Technical Committee CEN/TC 296 “Tanks for transport of dangerous goods”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2014 and conflicting national standards shall be withdrawn at the latest by November 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15208:2007. According to edition EN 15208:2007 the following fundamental changes are given: — Annex B revised; — Annex D deleted; — referred standards updated. This document forms part of a coherent standards programme comprising the following standards: — EN 13616, Overfill prevention devices for static tanks for liquid petroleum fuels — EN 13922, Tanks for transport of dangerous goods — Service equipment for tanks — Overfill prevention systems for liquid fuels — EN 14116, Tanks for transport of dangerous goods — Digital interface for product recognition devices for liquid fuels — EN 15207, Tanks for transport of dangerous goods — Plug/socket connection and supply characteristics for service equipment in hazardous areas with 24 V nominal supply voltage — EN 15969-1, Tanks for transport of dangerous goods — Digital interface for the data transfer between tank vehicle and with stationary facilities — Part 1: Protocol specification — Control, measurement and event data — EN 15969-2, Tanks for transport of dangerous goods — Digital interface for the data transfer between tank vehicle and with stationary facilities — Part 2: Commercial and logistic data This document is applicable for tanks according to ADR [1]. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 15208:2014

EN 15208:2014 (E) 4 Introduction Sealed parcel delivery systems, the subject of this European Standard, provide information concerning the content and the status of each compartment, used to transfer liquid fuels from loading gantries to delivery points, and optionally, the delivered quantities. SPDS may be suitable for other application, e.g. sealed transfer of products subject to duties. Sealed parcel delivery systems may be classified according to: — the combination of functions implemented by the system; — the way the functions are implemented (“type of function”). Sealed parcel delivery systems are not measuring instruments but they may be ancillary devices as defined in OIML R 117 [2]. SIST EN 15208:2014

EN 15208:2014 (E) 5 1 Scope This European Standard is applicable to sealed parcel delivery systems used with transport tanks and specifies the performance requirements, critical safety aspects, data transfer methods between loading gantries and transport tank, transport tank and delivery points, other optional communications and tests to provide functional and compatible systems. Sealed parcel delivery systems covered by this European Standard is for bottom loaded transport tanks. The systems specified by this European Standard are suitable for use with liquid petroleum products and other dangerous substances of Class 3 of ADR which have a vapour pressure not exceeding 110 kPa at 50 °C and petrol, and which have no sub-classification as toxic or corrosive. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12266-1:2012, Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements EN 12266-2, Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements EN 13082, Tanks for transport of dangerous goods - Service equipment for tanks - Vapour transfer valve EN 13083, Tanks for transport of dangerous goods - Service equipment for tanks - Adaptor for bottom loading and unloading EN 13094, Tanks for the transport of dangerous goods - Metallic tanks with a working pressure not exceeding 0,5 bar - Design and construction EN 13308, Tanks for transport of dangerous goods - Service equipment for tanks - Non pressure balanced footvalve EN 13314, Tanks for transport of dangerous goods - Service equipment for tanks - Fill hole cover EN 13316, Tanks for transport of dangerous goods - Service equipment for tanks - Pressure balanced footvalve EN 13317, Tanks for transport of dangerous goods - Service equipment for tanks - Manhole cover assembly EN 13616, Overfill prevention devices for static tanks for liquid petroleum fuels EN 13922, Tanks for transport of dangerous goods - Service equipment for tanks - Overfill prevention systems for liquid fuels EN 14025, Tanks for the transport of dangerous goods - Metallic pressure tanks - Design and construction EN 14116, Tanks for transport of dangerous goods - Digital interface for product recognition devices for liquid fuels EN 14564, Tanks for transport of dangerous goods - Terminology SIST EN 15208:2014

EN 15208:2014 (E) 6 EN 14595, Tanks for transport of dangerous goods - Service equipment for tanks - Pressure and Vacuum Breather Vent EN 14596, Tanks for transport of dangerous goods - Service equipment for tanks - Emergency pressure relief valve EN ISO 3166-1, Codes for the representation of names of countries and their subdivisions - Part 1: Country codes (ISO 3166-1) ISO/IEC 7816-1, Identification cards - Integrated circuit cards - Part 1: Cards with contacts - Physical characteristics ISO/IEC 7816-2, Identification cards - Integrated circuit cards - Part 2: Cards with contacts - Dimensions and location of the contacts ISO/IEC 7816-3:2006, Identification cards - Integrated circuit cards - Part 3: Cards with contacts - Electrical interface and transmission protocols ISO/IEC 7816-4:2013, Identification cards - Integrated circuit cards - Part 4: Organization, security and commands for interchange 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 access port port through which it is possible to access to cargo and/or to change the physical characteristics of the parcel 3.2 bottom loading according to EN 14564 3.3 cargo product contained within a parcel 3.4 clingage quantity of product that remains adhering to the parcel's internal surfaces after a complete delivery 3.5 compartment vessel closed by a foot valve, vapour transfer valve and a manhole cover assembly 3.6 delivery complete operation performed at a station to discharge products from one or more compartments into one or more tanks including a start and a finish phase 3.7 depot terminal site of the products to be loaded onto the tank vehicles and the location of the loading facilities SIST EN 15208:2014

EN 15208:2014 (E) 7 3.8 depot session time period covering the complete loading of the tank vehicle, starting at the beginning of the loading procedure and ending with the final loading or transfer operation 3.9 device for the transfer of measured quantities DTMQ all the equipment contained within a system that permits the secure transfer of metrological data between the loading rack, the tank vehicle and the delivery or transfer station 3.10 empty parcel parcel in which no product is present except clingage 3.11 equipment port port through which only access to cargo is possible 3.12 frustrated delivery delivery of a parcel which does not result in an empty parcel 3.13 guaranteed cargo sum of measured quantities transferred into a sealed parcel under guaranteed routing where parcel emptiness has been previously automatically identified Note 1 to entry: In this case, the cargo within a parcel is equal to the guaranteed cargo. 3.14 guaranteed delivered volume volume of product passing a port of a parcel enabling the parcel to be empty (transferring point) 3.15 guaranteed routing routing that is satisfactorily completed under routing control 3.16 guaranteed transport transportation of a guaranteed cargo or a minimum guaranteed cargo or an automatically detected empty parcel 3.17 maximum guaranteed volume fill capacity of a compartment which corresponds to 97 % of the compartment’s total capacity 3.18 maximum sealable quantity maximum volume of product which can be guaranteed by the parcel 3.19 measured quantity routed product quantity as routed into a parcel which has been measured by an approved metering system 3.20 measurement cycle time period between the connection and the disconnection of a loading arm onto a parcel SIST EN 15208:2014

EN 15208:2014 (E) 8 3.21 measurement number non-repeating sequence number (incrementing from 1) assigned to each measurement cycle when a measured quantity routed is available 3.22 metrological data data that includes product quantities and is used for metrological purposes 3.23 minimum guaranteed cargo sum of measured quantities transferred into a sealed parcel under guaranteed routing Note 1 to entry: The cargo within a parcel may be greater than its minimum guaranteed cargo. 3.24 monitored port port whose closed position is checked automatically 3.25 non-guaranteed cargo condition of a guaranteed cargo or a minimum guaranteed cargo once the parcel has been unsealed 3.26 operational port port which permits cargo transfer to or from the parcel in normal operation and through which it is not possible to change the physical characteristics of the parcel 3.27 parcel compartment(s) and all associated pipes and equipment, including its ports Note 1 to entry: This here defined term “parcel” should not be confused with the term in the packaging practice. 3.28 permanently closed port port which can only be opened by destroying it 3.29 port any inlet or outlet connection or hole in a parcel 3.30 return facility facility dedicated to the handling of product returns Note 1 to entry: This facility may include means to measure the returned volume. 3.31 returns undelivered product left in the parcel 3.32 routing transfer of a measured product quantity into a parcel SIST EN 15208:2014

EN 15208:2014 (E) 9 3.33 routing control control method used to ensure that the total measured quantity is transferred into the parcel 3.34 sealed parcel one whose ports are monitored closed by either mechanical or electronic devices or are permanently closed 3.35 sealed parcel delivery SPD process where a measured quantity of product is loaded into a parcel which is then sealed, controlled during transportation and discharged without the need for further measurement 3.36 sealed parcel delivery system SPDS instrumentation system that controls the seal status of a parcel 3.37 sealed port port which cannot be opened without the destruction of its mechanical seal 3.38 secured port port through which no product can be transferred even when it is open 3.39 station any discharge site, delivery point but particularly petrol filling stations 3.40 tank vehicle according to EN 14564 3.41 top-up loading adding of additional product to a parcel that, although containing product, is not full 3.42 transaction successful loading or delivery of a minimum guaranteed cargo or a guaranteed cargo 3.43 transfer station set of measurement, pumping, and associated hoses and/or loading arms installed to enable the transfer of measured product between parcels of a tank vehicle(s) 3.44 unknown cargo contents of a parcel which is not defined by either a minimum guaranteed cargo, a guaranteed cargo or a non-guaranteed cargo 3.45 wet leg sensor liquid sensor(s) which detect the emptiness of the pipe(s) SIST EN 15208:2014

EN 15208:2014 (E) 10 3.46 compartment’s total capacity maximum volume capable of being loaded into the compartment without any product release or escape 4 Aims (functions) of SPDS 4.1 Minimum aim for delivery — Check status of each parcel before loading; — secure the transfer of product from the measuring set to each relevant parcel; — acquire and transmit to receiver the product grades and quantities loaded per parcel; — control the sealed status of each parcel during transport; — confirm emptiness of each parcel after delivery or follow procedure of frustrated delivery. 4.2 Minimum aim for frustrated delivery The aim of 4.1 plus: — secure the return of non-delivered product to return facility; — acquire and transmit to receiver the quantities of non-delivered product per parcel, if required. 4.3 Minimum aim for unattended delivery (optional) The aim of 4.1 plus: — give suitable insurance that the quantity is fairly delivered (e.g. location of petrol station or tank within the petrol station, product grade); — minimise the risk of accidental or fraudulent withdrawal of liquid; — allow the retrieval of measuring data until the settlement of the transaction. 4.4 Minimum aim for unattended frustrated delivery (optional) The aim of 4.2 and 4.3 plus: — automatic recognition of the end of delivery. 5 Functionality 5.1 General The functions of the systems shall be according to Table 1. SIST EN 15208:2014

EN 15208:2014 (E) 11 Table 1 — Functions Functions Annex A DTMQ 4.1 to 4.4 and Welmec [3] Annex B PID/PRD 4.1 to 4.4 Welmec optional [3] Annex C Paper 4.1 and 4.2 no Welmec [3] Measuring results indication yes option no Seal breakage yes yes yes Loading arm identification yes yes no Receiver tank identification option yes no Location device option option no Product grade at loading yes yes no Product grade at discharge option yes no Guaranteed volume option option no Receiver loading data yes option no Data transfer receiver option option no Transaction recording yes option no Non transaction event recording yes yes yes Volume change detection option option no This clause describes the requirements of the different functions that can be provided by a SPDS. 5.2 Data 5.2.1 Recording 5.2.1.1 Transaction recording The SPDS shall be provided with a means of keeping track of all transactions. This recording shall be available until the settlement of the transaction has been completed, but for a minimum time period of 15 days. As a minimum, the following transaction data per parcel shall be recorded: — date and time of the transaction; — product quantity; — product grade; — special conditions e.g. empty, not empty; — guaranteed or non-guaranteed cargo. SIST EN 15208:2014

EN 15208:2014 (E) 12 It is not required that the loaded quantity be recorded in the SPDS at the moment of sealing. 5.2.1.2 Non transaction event recording Events, such as sealing, re-sealing, breaking of a seal or changing the status of a parcel, shall be recorded in an electronic memory. The record shall include the time and date of the event. These events may be recorded in a summary if the transaction has been completed. If an automatic empty detection is available any change of the status shall be considered as an event. 5.2.2 Display The secured status of each compartment shall be clearly visible and unambiguous. — Measuring results indication The volume and status of the cargo as presented to the receiver shall be displayed, printed or otherwise securely transferred to the interested parties. — Guaranteed volume The volume of the cargo delivered to a station shall be displayed, printed or otherwise securely transferred to the interested parties. 5.2.3 Data transfer methods Data transfer methods to be used at the loading rack and on the station are described in Annex A, Annex B or Annex C. 5.2.4 Integrity of the data The data transfer and recording shall be safe against interference and manipulation. Errors shall be detected. 5.2.5 System identification Systems using data communication shall have permanently installed identification devices to determine the proper method of communication. 5.3 Loading 5.3.1 Empty status The status of the parcel shall be available prior to loading. If the parcel is not empty the top-up procedures in the applicable annexes shall be followed. 5.3.2 Routing Secured transfer of product shall be achieved by: — ensuring that no product is diverted between the transfer point of the metering set and the routing port of the parcel; SIST EN 15208:2014

EN 15208:2014 (E) 13 — ensuring that no product is lost from the parcel during loading; — the complete sealing of the loaded parcel shall be activated within a time scale that makes fraud or withdrawal of product impossible without detection. The SPDS shall be able to detect or identify which loading arm either is or was connected to which parcel. Identification may be done directly or indirectly. The SPDS shall be able to identify which product grade is about to be loaded or has been loaded into a parcel. Acquisition of product grade may be done directly or indirectly. The SPDS shall be able to exchange data with the depot. Loading data shall contain at least volume and product grade. Data exchange may be done directly or indirectly. 5.4 Delivery 5.4.1 Attended delivery The status of all parcels shall be presented to the receiver along with the allocated cargoes. If the sealed status is not given an individual procedure should be defined. All delivered parcels shall be presented empty after delivery. Otherwise see 5.5. No product shall be diverted between the parcel and the receiving tank. 5.4.2 Unattended delivery The minimum requirements are: — automatic station identification; — automatic empty detection; — a method to transmit securely to the station product grade and volume. Additional requirements may be: — verification of volume which shall be delivered against the available ullage in the tank; — automatic tank identification; — confirmation that volume was delivered into the correct receivers tank. 5.5 Frustrated delivery 5.5.1 Station The return of non-delivered product shall be secured by recording — date and time of last resealing of the relevant parcels before transfer of return; — date and time of end of last delivery at the station, either confirmed by the receiver signature or automatically generated. The return discharge shall be carried out in accordance with 5.5.2. SIST EN 15208:2014

EN 15208:2014 (E) 14 5.5.2 Returns 5.5.2.1 General The safe transportation between the station and the return facility shall be controlled by comparing the time and date of the last resealing before the presentation at the return facility with the time and date of end of last delivery from the tank vehicle at the station. Measuring of returned quantities may not be necessary if the returned product can be delivered in another place to the same receiver, e.g. where a cargo is split between delivery locations. The parcel shall be controlled to be empty at the final delivery location. 5.5.2.2 Non-measured returns The return shall be unloaded in the return facility (which may be a second station). It may not be necessary to control emptiness because no measurement has taken place. 5.5.2.3 Measured returns The unloaded volume shall be measured to conclude the frustrated delivery, volume delivered being the difference between guaranteed cargo and returned volume. The parcel shall be controlled to be empty. The bill of return product with the date and time of last resealing of the relevant parcels as well as their identification shall be issued. Reconciliation of loaded and returned product shall be performed and the results shall be transferred to the receiver of the frustrated delivery. When the returned product is transferred into another parcel of the same tank, the requirements of 5.5.2.1 shall be fulfilled. 5.6 Integrity Any unauthorised, accidental or fraudulent addition to or withdrawal of cargo from a parcel, shall be impossible or shall be detected, this shall also include equipment failure. 6 Design characteristics 6.1 Empty detection If between two transactions the tanker runs with a guaranteed cargo, any change of state of the wet leg sensor shall initiate a seal break. Types of empty detection according to Table 2. SIST EN 15208:2014

EN 15208:2014 (E) 15 Table 2 — Types of empty detection Type Type code Explanation/example Application limits Wet leg empty detection Parcel internal detection Compart-ment empty detection Pitch detection Roll detection 1 M M O O O Empty detection shall be controlled by the receiver. Unsuitable for unattended delivery Unsuitable for non-horizontal stations Not suitable for unattended measurement of returns 2 M A O O O Empty detection shall be controlled by the receiver. Unsuitable for unattended delivery Unsuitable for non-horizontal stations 3 M M O M O Empty detection shall be controlled by the receiver. Unsuitable for unattended delivery Not suitable for unattended measurement of returns 4 M M O M M Empty detection shall be controlled by the receiver Unsuitable for unattended delivery Not suitable for unattended measurement of returns 5 A A O O O Automatic empty detection by the system. Suitable for unattended delivery Unsuitable for non-horizontal stations 6 A O A O O Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations 7 A O A M O Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations 8 A A O M M Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations 9 A O A M M Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations 10 A A A A O Automatic empty detection Suitable for SIST EN 15208:2014

EN 15208:2014 (E) 16 by the system. unattended delivery May be suitable for non-horizontal stations 11 A A O A A Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations 12 A A A A A Automatic empty detection by the system. Suitable for unattended delivery May be suitable for non-horizontal stations M – manual (e.g. visual) A – automatic (e.g. electronic) O – not fitted 6.2 Types of ports 6.2.1 General As defined, ports are those valves or openings which permit the cargo to enter or leave the parcel. They are not those devices which only enable cargo transfer within the parcel. Valves or openings which, when opened during normal operation, connect between parcels or parcels to common collectors, shall also be classed as ports. Ports immersed in product which could lead to product leakage shall be monitored. 6.2.2 Examples As an example, for a bottom loaded tank with vapour recovery system, the following devices shall be classed as ports: — API adaptor and discharge valve or manifold valve (operational port); — fill hole cover (access port); — manhole cover (access port); — emergency pressure relief valve (equipment port); — vapour transfer valve (equipment port); — pressure vacuum breather vent (equipment port); — overfill sensor (equipment port); — dip tubes (equipment port). Valve that is not to be classed as port is: — foot valve. SIST EN 15208:2014

EN 15208:2014 (E) 17 6.3 Checking of ports Ports shall be either monitored, sealed, secured or permanently closed. The level of security required shall be dependent upon the performance of the SPDS according to Table 3. — Monitored port Any attempt to open such a port shall be recorded. The port sensor shall be set such that any leakage of more than 10 l/h shall result in the initiation of seal break. In the event of the monitoring system identifying the opening of an access or equipment port, the SPDS shall treat the parcel as unsecured until reset by an authorised person. In case of unsecured equipment port proper condition of equipment port shall be restored. In case of unsecured access port the proper condition of the whole parcel shall be verified. — Sealed por

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