Nasa expendable launch vehicle payload safety requirements: requirements table


Flight Hardware Pressure Systems Data Requirements



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Flight Hardware Pressure Systems Data Requirements


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12.10.1. General. The minimum data required to certify compliance with the design, analysis, and test requirements of this chapter are described below.

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12.10.1.1. Data required by 12.10.2 through 12.10.5 shall be incorporated into the Safety Data Packages (SDPs) or submitted as a separate package when appropriate.

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12.10.1.2. Data required by 12.10.2 through 12.10.6 shall be placed in a system certification file that shall be to be maintained and updated by the hazardous pressure system operator.

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12.10.1.3. This data shall be reviewed and approved by the PSWG and Range Safety before the first operational use of hazardous pressure systems at the payload processing facility and launch site area.

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12.10.2. Flight Hardware Pressure Systems General Data Requirements. The following general flight hardware pressure systems data is required:

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12.10.2.1. Hazard analysis of hazardous pressure systems in accordance with the project’s SSP. (See Volume 1, Attachment 2.)

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12.10.2.2. A material compatibility analysis shall be performed in accordance with the requirements specified in 12.1.13 and 12.1.16 of this chapter.

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12.10.2.3. General flight hardware pressure systems data shall be submitted in accordance with Attachment 1, A1.2.4.7.1 of this volume.

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12.10.3. Flight Hardware Pressure System Design Data Requirements. Flight hardware pressure system design data shall be provided in accordance with Attachment 1, A1.2.4.7.2 of this volume.

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12.10.4. Flight Hardware Pressure System Component Design Data

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12.10.4.1. Identification of each component with a reference designation permitting cross-reference with the system schematic.

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12.10.4.2. MAWP for all pressure system components and the MOP the component will see when installed in the system.

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12.10.4.3. Safety factors or design burst pressure for all pressure system components and identification of actual burst pressures, if available.

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12.10.4.4. Proof pressure for each system component and identification of the proof pressure the component will see after installation in the system, if applicable.

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12.10.4.5. Materials used in the fabrication of each element within the component including soft goods and other internal elements.

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12.10.4.6. Cycle limits if fatigue is a factor of the component.

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12.10.4.7. Temperature limits of each system component.

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12.10.4.8. Component information shall be placed in tables.

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12.10.5. Flight Hardware Pressure System Test Procedures and Reports

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12.10.5.1. All test plans, test procedures and test reports required by this chapter shall be submitted to the PSWG for PSWG and Range Safety review and approval.

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12.10.5.2. A list and synopsis of all hazardous pressure system test procedures shall be submitted to the PSWG for PSWG and Range Safety review and approval.

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12.10.6. Flight Hardware Pressure System Certification Files

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12.10.6.1. Certification files shall be maintained and updated by the hazardous pressure system operator.

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12.10.6.2. These files shall be accessible for PSWG review.

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12.10.6.3. The certification file for each hazardous pressure system shall contain the data required in 12.10.1 through 12.10.5 in addition to the following:

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12.10.6.3.1. As applicable, stress, safe-life, fatigue, and fracture mechanics analysis in accordance with 12.1.4.3, 12.1.5.4, and 12.1.5.5.

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12.10.6.3.2. Specification drawings and documents for all components.

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12.10.6.3.3. If necessary, a cross-sectional assembly drawing of the component to assess the safety aspects of the internal elements.

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12.10.6.3.4. Certification that welding and weld NDE meet applicable standards and have been performed by certified personnel.

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12.10.6.3.5. Qualification and acceptance test plans and test reports.

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12.10.6.3.6. Certification documentation describing how pressure systems, vessels, and pressurized structures are designed, fabricated, and tested in accordance with 12.1, 12.2, and 12.3, as applicable.

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12.10.6.3.7. Certification that all components, including pipe and tube fittings, have successfully passed a hydrostatic proof test.

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