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BS EN 13850:2020 pdf free

BS EN 13850:2020 pdf free.Postal services一Quality of services一Measurement of the transit time of end-to-end services for single piece priority mail and first class mail.
This document specifies methods for measuring the end-to-end transit time of domestic and cross-border Single Piece Priority Mail (SPPM), collected, processed and delivered by postal service operators. It considers methods using representative end-to-end samples for all types of single piece priority mail services for addressed mail with defined transit-time service levels offered to the customer. This document is applicable to the measurement of End-to-End pnority mail services.
The standardised Q0S-measurement method provides a uniform way for measuring the end-to-end transit time of postal items. Using a standardised measurement method will assure that the measurement will be done in an objective and equal way for all operators in accordance with the requirements of the Directive 97/67/EC and its amendments.
It is not the purpose of this document to measure the postal operators’ overall performance in a way that provides direct comparison of postal service providers.
This document relates to the measurement of the SPPM services given to household and business customers that post mail at street letterboxes, over the counter at post offices or have pick-ups at their offices. To cover flows with smaller mail volumes this document includes flexibility areas for adapted implementation. For technical reasons this document may not be suitable for the measurement of very small volumes of mail.
The end-to-end service measured may be provided by one operator or by a group of operators working either together in the same distribution chain or parallel in different distribution chains. This document is not applicable for the measurement of end-to-end transit times in fields of study with more than one induction operator (Multi-Operator Environments), which require different methodologies. The method for end-to-end measurement specified in this document is also not designed to provide results for the measurement of parts of the distribution chain.
This document is not applicable for the measurement of end-to-end transit times of bulk mailers’ services and hybrid mail, which require different measurement systems and methodologies (see, for example, EN 14534 Measurement of the transit time of end-to-end services of bulk mail).
This document includes specifications for the quality control and auditing of the measurement system. This document does not specU’:
the minimum acceptable level of accuracy that will be required by the national regulatory authority; the target(s) that the regulatory authority might set;
— how the regulatory authority should determine whether the target(s) have been met.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 accuracy closeness of agreement between a test result or measurement result and the true value
Note 1 to entry: The term accuracy, when applied to a set of test results, involves a combination of random components and a common systematic error or bias component.
[SOURCE: ISO 3534-2:2006]
Note 2 to entry: In this standard the accuracy is expressed as ±c. where 2i is the length of the confidence interval at the
confidence level 95 % for the parameter being estimated, namely the probability of attaining the transit time target.
3.2 aggregation compounding of primary data into an aggregate for the purpose of expressing them in a summary form
3.3 audit systematic and independent examination to determine whether activities and related results comply with planned arrangements and whether these arrangements are implemented effectively and are suitable to achieve objectives.BS EN 13850 pdf free download.

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