THEMIS 1 st Probe (FM#2) PRE-ENVIRONMENTAL REVIEW SAFETY Bill Donakowski

1. THEMIS 1st Probe (FM#2) • PRE-ENVIRONMENTAL REVIEW • SAFETY • Bill Donakowski • (billd@ssl.berkeley.edu) • THEMIS Project Safety Engineer • University of California - Berkeley

2. Hazardous Operations to be performed at JPL • Lifting, Transportation of Flight Hardware • Use of Radiation Sources • Vibration Testing • Shock Testing (Firing of bolt cutter) • Handling and Firing of Pyrotechnic Devices • Use of Asphyxiation Gases (Nitrogen & Helium) • Pressurization of RCS System • Use of High Voltage • Thermal Vacuum

3. Personnel Certifications • Electrostatic Discharge (ESD) • UCB personnel certified to NASA-STD-8739 • Pyrotechnic Handling • UCB personnel (2) certified per Amtec Class #203 • ‘Ammunition and Explosives Certification Training’ • Radiation Use • UCB personnel certified by UCB EH&S radiation group • Dosimetry Rings issued to certified users • Exposure monitored by UCB EH&S • Crane Operations • UCB personnel completed Outside Vendor’s Crane Class • UCB personnel completed JPL crane class • Contamination • All personnel completed in-house THEMIS training • Flight Hardware Assembly • UCB in-house training and experience • All Certifications Current

4. Operational Safety Precautions • Procedures containing Hazardous Operations • Clearly Designated ‘Hazardous Operations’ on cover sheet • Reviewed by GSFC Safety • Reviewed and approved by THEMIS Safety • Safety Precautions included • PPE requirements included • Certification required for personnel • Mandate safety overview during performance • Back-out procedures (facility power shut-down, earthquake, severe weather) • Hazardous Operations Implementation • Sign-offs for QA and Safety A/R during operation • Safety Cognizance during operation (JPL and UCB) • Area cleared of non-essential personnel • Placards placed on entries A/R • PPE being worn • GSE certified A/R

5. Procedures Containing Hazardous Operations

6. Coordination with JPL Safety • Telecons held to discuss THEMIS operations and logistics since October 2005 (4) • UCB I&T manager • THEMIS Safety Engineer • JPL Safety Group Manager • JPL THEMIS assigned Safety Engineer • JPL radiation safety • GSFC Code 302 Safety Engineer • JPL Safety is aware of THEMIS Hazardous operations, controls, procedures • JPL Project Safety Engineer has been assigned and is working with UCB/GSFC Safety • JPL Radiation specialist ready to receive UCB radiation sources • JPL Explosives specialist has reviewed UCB documentation and is ready to receive UCB pyrotechnic devices • JPL Safety Survey checklist has been reviewed • Checklist to be reviewed upon arrival at facilities

7. Electro-static Discharge Avoidance • Workstations set up and verified by UCB QA • Ground path checked by UCB QA • Purging of Instruments with Nitrogen • Set up by cognizant UCB Engineer • Verified not enclosed area (well vented) • Oxygen Meters in-place and verified • Entire set-up verified by UCB/JPL Safety • Crane and Moving Operations • Performed by certified UCB and JPL operators • All GSE proof loaded to 2 X Working Load prior to arrival • All single-point failure elements (shackles) NDE tested for cracks • PPE in-use (safety shoes and hard hats)

8. RCS Pressure and Leak Check • Equipment • Gas: Helium • Pressure Level: 1750 psi (for High Pressure Tank) • All lines, valves, fittings certified to 1.5 MOP prior to arrival • Performed by RCS engineer • Verified non-enclosed space • O2 Monitor in-place and verified • PPE worn by operators: safety glasses • All lines secured • Moveable blast shield placed between operation and operators

9. Pyrotechnic Handling and testing • Bolt cutters fired by PC23 initiators as shock test • UCB personnel handling devices • Oversight by Swales Sep System engineer • Ground verified prior to starting • RH min. 35% in room • PPE: protective eyewear, ground straps, gloves • Operators move out of room when fired • Dropped hardware falls into cushions

10. Radiation Source Handling • 2 hand-held sources used during TVAC • Americium 241 • Nickel 63 • Output: less than 10 milliCurrie • Controlled by JPL Radiation upon arrival • Handed over to UCB personnel prior to TVAC • Wipe-down performed by JPL radiation safety engineer before and after TVAC testing • Source returned to JPL for shipment to UCB

11. Vibration Testing • Entire Spectrum run on mass models/MGSE prior to Flight Hardware • Mass models are 2X mass of Flight Hardware (Proof Load) • Vibration Table Maintenance Log to be reviewed • Force-limiting accelerometers implemented during test • High Voltage Use • High Voltage components internal to Probe • Software command interlocks in-place • Enable plugs need to be installed

12. Hardware Safety Precautions • All MGSE Proof-tested and checked-out at UCB • Covers available for Flight hardware protection whenever possible (solar arrays, sensitive thermal coatings) • ESD grounding system integral with Probe Stand • Hardware Enable Plugs utilized to prevent inadvertent actuation along with software inhibits • Pyro initiators installed just prior to shock testing (not installed during shipping and general use) • Many pieces of custom MGSE for specific use on THEMIS