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GB/T 21562.3-2015 English PDF (GBT21562.3-2015)

GB/T 21562.3-2015 English PDF (GBT21562.3-2015)

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GB/T 21562.3-2015: Railway applications -- Specification and demonstration of reliability, availability, maintainability and safety (RAMS) -- Part 3: Guide to the application for rolling stock RAM
GB/T 21562.3-2015
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 45.060
S 04
Railway applications - Specification and demonstration of
reliability, availability, maintainability and safety (RAMS) -
Part 3. Guide to the application for rolling stock RAM
(IEC/TR 62278-3.2010, Railway applications - Specification and
demonstration of reliability, availability, maintainability and safety (RAMS) -
Part 3. Guide to the application of IEC 62278 for rolling stock RAM, MOD)
ISSUED ON. DECEMBER 31, 2015
IMPLEMENTED ON. JULY 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3 
Introduction ... 5 
1 Scope ... 6 
2 Terms and definitions ... 7 
3 Approach ... 7 
3.1 General ... 7 
3.2 Entities involved in the life cycle phases of rolling stock ... 7 
4 Application ... 8 
4.1 Object of the application ... 8 
4.2 Application of GB/T 21562-2008 ... 8 
5 SPECIFY RAM requirements ... 10 
5.1 Introductory remarks ... 10 
5.2 Preliminary RAM analysis ... 10 
5.3 RAM requirements ... 19 
5.4 Process for choosing RAM figures ... 29 
5.5 RAM program ... 29 
6 RAM assurance during life cycle ... 44 
6.1 General ... 44 
6.2 Tender phase ... 46 
6.3 Design phase ... 47 
6.4 Demonstration phase ... 50 
7 RAM parameters of LCC model ... 54 
7.1 General ... 54 
7.2 Overview of LCC modelling ... 55 
7.3 RAM parameters for LCC model ... 56 
Appendix A (Informative) Breakdown structure (examples) ... 58 
References ... 83 
Railway applications - Specification and demonstration of
reliability, availability, maintainability and safety (RAMS) -
Part 3. Guide to the application for rolling stock RAM
1 Scope
This Part of GB/T 21562 provides guidance on applying the RAM requirements
in GB/T 21562-2008 to rolling stock during the system life cycle phases from
invitation to tender to demonstration in operation.
The Part is aimed at the customers/operators and main suppliers of rolling stock
(including D-series high-speed train). It mainly specifies the following contents.
- Tasks which the customer/operator of rolling stock is responsible for.
 SPECIFY the RAM requirements, ADDRESS the type of operation in
terms of the end customer needs, service availability, and economic
considerations;
 EVALUATE different tenders, in terms of RAM requirements, on a
common basis with the aid of specific RAM documents;
 CONFIRM whether, during design/development phase, the rolling
stock satisfies the RAM requirements by examining step by step
detailed and specific RAM documents as an output of the RAM
activities performed; VALIDATE that the rolling stock, as delivered,
satisfies the specified RAM requirements.
- Tasks which the main supplier of rolling stock is responsible for.
 UNDERSTAND the customers/operators’ RAM requirements;
 PROVIDE substantive performance in a tender to show that the
product offered is likely to satisfy the RAM requirements by performing
preliminary RAM analysis;
 PROVIDE substantive performance during design/development
phase to show that the product offered is likely to satisfy the RAM
requirements by performing detailed RAM analysis;
 DEMONSTRATE that the product delivered satisfies the RAM
requirements.
Regarding LCC model, this Part specifies only the required key RAM
parameters.
This Part excludes the following contents.
- RAM values connected to the different RAM requirements (However, 5.4
provides a simple guideline of actions for more in-depth decision making
and selection of appropriate values);
- Specific RAM documents and activities (However, this Part provides, only
as an example, typical data and document templates for recording the
output of a RAM analysis).
2 Terms and definitions
The following terms and definitions are applicable to this document.
2.1 Part number
The alphanumeric code, generally assigned by the main supplier, to represent
a family of products with the same characteristics of form, fit, and function.
3 Approach
3.1 General
To determine the requirements of GB/T 21562-2008 and the basic conditions
for these requirements, for each phase of the life cycle, the following questions
shall be addressed.
- WHAT. What activities/tasks are to be performed and the supporting
documents to be produced?
- WHO. Who has the responsibility for these activities/tasks?
- HOW. Which type of method or tool shall be used?
This process is adopted for the development of the Part and shall be applied in
accordance with the structure of the application.
3.2 Entities involved in the life cycle phases of rolling stock
Depending on the organizational and management structure of the railway
system concerned, a number of entities, performing different functions, may be
involved within the life cycle phases of rolling stock. The entities in the contract
e) ESTABLISH and IMPLEMENT an adequate and effective configuration
management system including, at least.
1) All system documentation;
2) All other system deliverables.
Both the customer and the main supplier shall provide evidence by documents
about the fulfilment of the above mandatory requirements, within their
responsibility. The RAM program shall include these documents.
5 SPECIFY RAM requirements
5.1 Introductory remarks
The purpose of this chapter is to establish the process to define RAM
requirements for rolling stock and for the subsystems, assemblies, and parts
(distinguished by their boundary limits) belonging to the rolling stock.
This chapter gives detailed information on the requirements of phases 1, 2, 4,
and 5 of system life cycle described in 6.1, 6.2, 6.4, and 6.5 of GB/T 21562-
2008.
The system definition process shall first collect all available data and relevant
information about the rolling stock under consideration.
The final goal is the derivation of RAM targets through the appropriate analysis
of all the information collected and organized in a structured way.
5.2 Preliminary RAM analysis
5.2.1 General
This clause complements 6.1.3.4, 6.2.3.1, 6.2.3.2, 6.4.3.1, and A.2 of GB/T
21562-2008 and gives further details.
The preliminary RAM analysis shall identify the application environment and the
operating conditions of the rolling stock, to recognize the fundamental concepts
based on the overall RAM requirements.
The analysis includes.
- Similar system review. CREAT a list of similar existing rolling stock, and
EXTRACT suitable RAM-related information;
- Preliminary system analysis. All available and relevant rolling stock
documentation is reviewed in order to define, at a preliminary level, the
maintenance conditions (including logistic support). Items contained in each of
these are listed below.
a) Mission profile.
1) Reference route;
2) Commercial operating speed (operating distance/operating time);
3) Mean distance of a run;
4) Mean distance between two train stops;
5) Operating time or distance per year;
6) Revenue of operating time or distance per year;
7) Stand-by time per day;
8) Idle time per day (i.e. time when the rolling stock is neither in operation
nor stand-by);
9) Planned total time of use (life expectancy in years).
b) Route profile.
1) Number of tunnels related to reference route;
2) Number of viaducts related ...
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