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22 Jan 2007

NASA Structural Design Requirements. 22 Jan 2007. Prepared by Chris Tutt Presented by Trent Martin. Requirements Documents. Basic requirements for Space Shuttle flight are given in NSTS 14046. Basic requirements for ISS payloads are given in SSP 57003.

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22 Jan 2007

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  1. NASA Structural Design Requirements 22 Jan 2007 Prepared by Chris Tutt Presented by Trent Martin

  2. Requirements Documents • Basic requirements for Space Shuttle flight are given in NSTS 14046. • Basic requirements for ISS payloads are given in SSP 57003. • Specific requirements for AMS-02 are given in the Structural Verification Plan (SVP). • SVP requirements are intended to envelope all other requirements. • All these documents are available upon request.

  3. Composite Requirements • Composites have special requirements due to their unique characteristics. • Material allowables must be based on statistically sufficient test data. • All load-bearing components must be acceptance tested to 1.2 times maximum expected flight load. • SWG may require stress analysis to be done with an ultimate factor of safety of 2.0. • Thermal-vacuum testing of structural adhesives may be required.

  4. Material Allowables • Material allowables must be reviewed with SWG. • Tests must include adequate numbers of samples. • Samples must be independent (not single piece of composite cut into multiple pieces) • SWG may reduce allowables measured during test to account for small sample size. • Early discussions with SWG are highly recommended.

  5. TCS Requirements • Stress analysis of the radiators has been done by CGS and reviewed by NASA. • Fracture analysis of the radiators will be done by JS with inputs from CGS and AIDC. • Static and modal correlation of the radiator math models will be done by JS at the integrated payload level.

  6. Manufacturer’s Tasks • AIDC will be expected to supply the following information. • Material certification data for all materials used in flight hardware. • Quality inspection records for critical items (fasteners, composites, etc.) • As-built drawings if significantly different from as-designed drawings. • Reports on all non-conformances that occur during manufacturing.

  7. Contact Information • NASA Project Manager • Trent Martin (001-281-483-3296) • trent.d.martin@nasa.gov • Jacobs Sverdrup Chief Engineer • Chris Tutt (001-281-461-5703) • john.tutt@escg.jacobs.com • NASA AMS Website (for documentation) • http://ams-02project.jsc.nasa.gov/

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