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AMS-02 Ground Safety (Permanent Magnet). AMS-02 Design TIM May 5, 2010. Current Status. Conducted a Phase III Ground Safety Review in February 2010. All hazard reports, except one, were approved with modifications. Pressure systems (GHR-AMS02-004) remains unapproved.
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AMS-02 Ground Safety(Permanent Magnet) AMS-02 Design TIM May 5, 2010
Current Status • Conducted a Phase III Ground Safety Review in February 2010. • All hazard reports, except one, were approved with modifications. Pressure systems (GHR-AMS02-004) remains unapproved. • Package/Hazard Reports still needed information. • Verifications were 33% complete as of the phase III review.
Changes to Ground Safety Package • Flight Hardware section • Delete all cryogenic hardware • Delete magnet description • Ground Support Equipment section-No CGSE • Operations Overview-Take out cryogenic ops description • Safety Discussion-Simplified due to no cryogenics
Ground Hazard Reports • GHR-AMS02-001 (Fire) • Still a valid hazard report. • Two causes most likely deleted/altered due to removal of on-board/GSE pumps. • Mechanical failure of rotating equipment (deleted) • Static buildup from rotating equipment/GSE powered equipment (altered) • GHR-AMS02-002 (Toxicity) • Still a valid hazard report. • No modifications necessary.
Ground Hazard Reports • GHR-AMS02-003 (Liquefaction of Atmospheric Gases) • Hazard report will be deleted. • No cryogenics and therefore no cause of liquefaction.
Ground Hazard Reports • GHR-AMS02-004 (Rupture of Pressurized Components) • Still a valid hazard report. • There will be significant modifications due to absence of cryogenic GSE/flight hardware. • There are 11 causes in the hazard report. • Five causes will be deleted due to no cryogenics. • Six causes stay, but will be modified.
Ground Hazard Reports • GHR-AMS02-005 (Exposure to High Pressure Gas Plume) • Hazard report will be deleted. • It was written for the flight/GSE cryogenics systems. • GHR-AMS02-006 (Excessively Low Touch Temperatures) • Hazard report will be deleted. • With no cryogenic systems, there are no foreseen low touch temperature hazards.
Ground Hazard Reports • GHR-AMS02-007 (Asphyxiation) • Still a valid hazard report, though with modifications. • Report will be simplified to only cover CO2, Xenon. • GHR-AMS02-008 (Ionizing Radiation) was deleted prior to phase II • GHR-AMS02-009 (Structures, Lifting) • Still a valid hazard report. • May have to modify GHE matrices.
Ground Hazard Reports • GHR-AMS02-010 (Structures, Stands) • Still a valid hazard report. • Need to modify and complete GHE matrices. • GHR-AMS02-011 (Electric Shock) • Still a valid hazard report. • There are seven causes. • Six will remain with no modifications. • One will be deleted because it dealt with water leakage in large CGSE pumps.
Ground Hazard Reports • GHR-AMS02-012 (Acoustics) • Hazard report will be deleted. • Main concerns were CGSE pumps and main cryosystem burst disk. • Both sources of acoustic hazards are gone due to design change. • GHR-AMS02-013 (Magnetic Fields) • Still a valid hazard report. • There are 3 causes in the hazard report. • One cause will change (production of excessive magnetic fields). • Two other causes will remain the same.
Ground Hazard Reports • GHR-AMS02-014 (Sharp Edges) • Still a valid hazard report. • No modifications needed. • GHR-AMS02-015 (Excessively Hot Touch Temperatures) • Still a valid hazard report. • There are four causes in this hazard report. • Two causes will be deleted. • Pumps/motors overheating • Dump diodes • Two causes will remain
Ground Hazard Reports • GHR-AMS02-016 (Lasers) • Still a valid hazard report. • No modifications needed currently, but will be monitored as laser design matures. • GHR-AMS02-016 (Tools) • Still a valid hazard report. • No modifications needed.
Hazard Report Statistics • Current phase III package: • Number of ground hazard reports: 16 • Number of verifications: 212 • Percent complete: 33% • Phase III package (permanent magnet) • Foreseen number of ground hazard reports with permanent magnet: 12 • Number of verifications: 131 • Percent complete: 23%