ska phase 1 system requirements specification - The Square ...

WP2‐005.030.000‐SRS‐002Revision : BIdent Requirement Applicability Parent VerificationSYS_REQ_7420Field return rate. The field returnrate of equipment shall be lessthan 0.5% (TBC) duringinstallation and the first year fullusage.TBD5.3.2 WorkmanshipGood workmanship expected for mechanical, electrical and software production. It refers to thephysical characteristics relating to the level of quality introduced by the manufacturing and assemblyactivities.Ident Requirement Applicability Parent VerificationSYS_REQ_7510General workmanship standards.General workmanship standardsshall be applied as specified in theProduct Assurance Plan (TBD)both for Software and Hardwareproduction. These includeISO9001 (TBC).TBDIdent Requirement Applicability Parent VerificationSYS_REQ_7520Scope of workmanshipstandards. SKA1 dedicatedworkmanship standards shall bespecified in project dedicateddocumentsand shall:a) cover all phases of production,assembly and integration, testing,handling, and include clearrequirements foracceptance/rejection criteria.TBD5.3.3 System SafetySafety critical functions, propagation paths, design marginsIdent Requirement Applicability Parent VerificationSYS_REQ_7610Design margins. The SKA 1 designshall possess design margins tocover all uncertainties inenvironment, analysis andproperties of the materials andprocesses used.TBD2011‐02‐14 Page 49 of 58