Specification tree
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A specification tree shows all specifications of a technical system under development in a hierarchical order.
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For a spacecraft system it has the following levels:
- System (requirements) specification - generated by customer
- System (design to) specification - generated by system responsible prime contractor
- Subsystem specifications - generated by system responsible prime contractor
- Assembly[1] specifications - generated by subsystem responsible contractors
- Unit specifications - generated by subsystem (or assembly) responsible contractors.
- Assembly[1] specifications - generated by subsystem responsible contractors
- Subsystem specifications - generated by system responsible prime contractor
- System (design to) specification - generated by system responsible prime contractor
References
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