EN 16603-10-06:2014

Space engineering - Part 10-06: Technical requirements specification

This Standard provides an overview of the purposes and positions of the technical requirements specification, defines the different types of requirements, and defines requirements on the TS and on its requirements.
This Standard is applicable to all types of space systems, all product elements, and projects.
This standard may be tailored for the specific characteristic and constraints of a space project in conformance with ECSS-S-ST-00.

Raumfahrttechnik - Teil 10-06: Spezifizierung technischer Anforderungen

Ingénierie spatiale - Spécification technique de besoin

Vesoljska tehnika - 10-6. del: Specifikacija tehničnih zahtev

Standard EN 16603-10-06 zagotavlja pregled namenov in stališč specifikacije tehničnih zahtev, opredeljuje različne vrste zahtev ter določa zahteve glede tehnične specifikacije in njenih zahtev. Ta standard se uporablja za vse vrste vesoljskih sistemov, vse elemente izdelkov in projekte. Ta standard se lahko prilagodi posameznim lastnostim in omejitvam vesoljskega projekta v skladu s standardom ECSS-S-ST-00.

General Information

• Status: Published
• Publication Date: 26-Aug-2014
• Withdrawal Date: 27-Feb-2015
• ICS: 49.140 - Space systems and operations
• Technical Committee: CEN/CLC/TC 5 - Space
• Drafting Committee: CEN/CLC/TC 5 - Space
• Current Stage: 9060 - Closure of 2 Year Review Enquiry - Review Enquiry
• Start Date: 03-Mar-2020
• Completion Date: 03-Mar-2020
• Mandate: M/496 - Mandate addressed to CEN, CENELEC and ETSI to develop standardisation regarding space industry (Phase 3 of the process)
• Ref Project: SIST EN 16603-10-06:2014 - Space engineering - Part 10-06: Technical requirements specification

Relations

• Replaces: EN ISO 21351:2005 - Space systems - Functional and technical specifications (ISO/FDIS 21351:2004)
• Effective Date: 26-Jun-2013

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2014
1DGRPHãþD
SIST EN ISO 21351:2005
9HVROMVNDWHKQLNDGHO6SHFLILNDFLMDWHKQLþQLK]DKWHY
Space engineering - Part 10-06: Technical requirements specification
Raumfahrttechnik - Teil 10-06: Spezifizierung technischer Anforderungen
Ingénierie spatiale - Partie 10-06: Spécification technique de besoin
Ta slovenski standard je istoveten z: EN 16603-10-06:2014
ICS:
49.140 Vesoljski sistemi in operacije Space systems and
operations
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 16603-10-06
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2014
ICS 49.140 Supersedes EN ISO 21351:2005
English version
Space engineering - Part 10-06: Technical requirements
specification
Ingénierie spatiale - Partie 10-06: Spécification technique Raumfahrttechnik - Teil 10-06: Spezifizierung technischer
de besoin Anforderungen
This European Standard was approved by CEN on 28 December 2013.

CEN and CENELEC 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 and CENELEC
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 and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre
has the same status as the official versions.

CEN and CENELEC members are the national standards bodies and national electrotechnical committees 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.

CEN-CENELEC Management Centre:
Avenue Marnix 17, B-1000 Brussels
© 2014 CEN/CENELEC All rights of exploitation in any form and by any means reserved Ref. No. EN 16603-10-06:2014 E
worldwide for CEN national Members and for CENELEC
Members.
Table of contents
Foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 8
3.1 Terms from other standards . 8
3.2 Terms specific to the present standard . 8
3.3 Abbreviated terms. 10
4 Technical requirements specification purpose and description . 11
4.1 Technical requirements specification purpose and description . 11
4.2 TS content . 11
5 Process for establishing a technical requirements specification . 13
5.1 General . 13
5.2 Process for establishing a technical requirements specification . 13
6 Technical requirements types . 16
6.1 General . 16
6.2 Identification of types of technical requirements . 16
6.2.1 Introduction . 16
6.2.2 Functional requirements . 16
6.2.3 Mission requirements . 17
6.2.4 Interface requirements . 17
6.2.5 Environmental requirements . 17
6.2.6 Operational requirements . 17
6.2.7 Human factor requirements . 17
6.2.8 (Integrated) logistics support requirements . 18
6.2.9 Physical requirements . 18
6.2.10 Product assurance (PA) induced requirements . 19
6.2.11 Configuration requirements . 19
6.2.12 Design requirements . 19
6.2.13 Verification requirements. 19
7 Overall Requirements for technical requirements specifications . 20
7.1 Overview . 20
7.2 Requirements for technical requirements specifications . 20
7.2.1 General . 20
7.2.2 Responsibility . 20
7.2.3 Technical requirements organisation . 20
7.2.4 Technical reference . 21
7.2.5 Configuration management . 21
7.2.6 Format . 21
7.2.7 Supplementary information . 21
7.2.8 Restrictions . 21
8 Requirements for formulating technical requirements . 22
8.1 General . 22
8.2 Requirements for the characteristics of a technical requirement of a TS . 22
8.2.1 Performance . 22
8.2.2 Justification . 22
8.2.3 Configuration management and traceability . 23
8.2.4 Ambiguity . 23
8.2.5 Uniqueness . 23
8.2.6 Identifiability . 23
8.2.7 Singularity . 23
8.2.8 Completeness . 24
8.2.9 Verification . 24
8.2.10 Tolerance . 24
8.3 Recommendations for the wording of requirements . 24
8.3.1 General format . 24
8.3.2 Required verbal form . 24
8.3.3 Format restrictions . 25
Annex A (normative) Technical requirements specification (TS) - DRD . 26
Bibliography . 29

Figures
Figure 5-1: Process to establish the preliminary TS in Phase 0 . 14
Figure 5-2: Process to establish the TS in phase A . 15

Foreword
This document (EN 16603-10-06:2014) has been prepared by Technical
Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN.
This standard (EN 16603-10-06:2014) originates from ECSS-E-ST-10-06C.
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 February
2015, and conflicting national standards shall be withdrawn at the latest by
February 2015.
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 will supersede EN ISO 21351:2005.
This document has been prepared under a mandate given to CEN by the
European Commission and the European Free Trade Association.
This document has been developed to cover specifically space systems and has
therefore precedence over any EN covering the same scope but with a wider
domain of applicability (e.g. : aerospace).
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.
Introduction
This Standard addresses the process for and the content of the Technical
requirements specification (TS).
This document is an adaptation of ISO 21351 “Space systems — Functional and
technical specifications” to the ECSS context.
Scope
This Standard provides an overview of the purposes and positions of the
technical requirements specification, defines the different types of
requirements, and defines requirements on the TS and on its requirements.
This Standard is applicable to all types of space systems, all product elements,
and projects.
This standard may be tailored for the specific characteristic and constraints of a
space project in conformance with ECSS-S-ST-00.
Normative references
The following normative documents contain provisions which, through
reference in this text, constitute provisions of this ECSS Standard. For dated
references, subsequent amendments to, or revision of any of these publications,
do not apply. However, parties to agreements based on this ECSS Standard are
encouraged to investigate the possibility of applying the more recent editions of
the normative documents indicated below. For undated references, the latest
edition of the publication referred to applies.

EN reference Reference in text Title
EN 16601-00-01 ECSS-S-ST-00-01 ECSS system – Glossary of terms
EN 16603-10-02 ECSS-E-ST-10-02 Space engineering – Verification

Terms, definitions and abbreviated terms
3.1 Terms from other standards
For the purposes of this Standard, the terms and definitions from ECSS-S-ST-00-01
apply.
3.2 Terms specific to the present standard
3.2.1 constraint
characteristic, result or design feature which is made compulsory or has been
prohibited for any reason
NOTE 1 Constraints are generally restrictions on the
choice of solutions in a system.
NOTE 2 Two kinds of constraints are considered, those
which concern solutions, and those which
concern the use of the system.
NOTE 3 For example constraints can come from
environmental and operational conditions, law,
standards, market demand, investments and
means availability, or the organization’s policy.
NOTE 4 Adapted from EN 1325-1.
3.2.2 environment
natural conditions and induced conditions that constrain the design
definitions for end products and their enabling products
NOTE Examples of natural conditions are weather,
climate, ocean conditions, terrain, vegetation,
dust, light and radiation. Example of induced
conditions are electromagnetic interference,
heat, vibration, pollution and contamination.
3.2.3 environment
external factors affecting an enterprise or project
3.2.4 environment
external factors affecting development tools, methods, or
processes
EN 16603-10-06:20
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