1. An advanced weapon and space systems company 1 Twin city System Safety Society Twin city System Safety Society Bill Blake – 08-2005 Executive Council Report

2. An advanced weapon and space systems company 2 Meetings Summary Summary ---- The Twin Cities System Safety Society met three times during the reporting period. Each presentation has been well received with a growth in attendance The Twin Cities System Safety Society met three times during the reporting period. Each presentation has been well received with a growth in attendance Future partnering with the UMSEC critical systems group will provide ability to use internationally recognized speakers – Potential student branch of chapter ? Future partnering with the UMSEC critical systems group will provide ability to use internationally recognized speakers – Potential student branch of chapter ? Fault Tree Probabilities Fault Tree Probabilities Presenter: John Fitch – John has a master degree in Math & worked as a safety engineer at ATK for over 30 years Presenter: John Fitch – John has a master degree in Math & worked as a safety engineer at ATK for over 30 years FTA construction & examples of some not so obvious mathematical traps were discussed FTA construction & examples of some not so obvious mathematical traps were discussed Safety Critical Requirements Methodology Safety Critical Requirements Methodology Presenter: Jeffery Howard – Safeware Safety Engineer Presenter: Jeffery Howard – Safeware Safety Engineer Application Of Intent Specs & SpecTRM, toolset as well as future tools were discussed Application Of Intent Specs & SpecTRM, toolset as well as future tools were discussed Record high of 17 attendees, with 3 expressing interest in TCSSS membership Record high of 17 attendees, with 3 expressing interest in TCSSS membership Model-based development; Implications for Safety-Analysis Model-based development; Implications for Safety-Analysis Presenter: Mats Heimdahl – Director of the UM Software Engineering Center Presenter: Mats Heimdahl – Director of the UM Software Engineering Center Discussed how UMSEC tools and processes enables a new safety development paradigm Discussed how UMSEC tools and processes enables a new safety development paradigm Record high of near 20 attendees Record high of near 20 attendees

3. An advanced weapon and space systems company 3 Financial Limited Expenses Limited Expenses Costs of food & beverages have been covered by donations & ATK Costs of food & beverages have been covered by donations & ATK Use of ATK or other no cost facilities Use of ATK or other no cost facilities Use of speakers who volunteer to speak – mostly local speakers Use of speakers who volunteer to speak – mostly local speakers Limited Cash Limited Cash Cash available consists of start up $$ and last years member based $$ Cash available consists of start up $$ and last years member based $$ May charge fee for joint meetings with UMSEC Critical Systems ~~ depends on speaker May charge fee for joint meetings with UMSEC Critical Systems ~~ depends on speaker Future Needs Future Needs Future expenses are likely to increase as we try to grow the TCSSS Future expenses are likely to increase as we try to grow the TCSSS Charging fees may reduce interest unless there is value returned Charging fees may reduce interest unless there is value returned Donations not likely to continue Donations not likely to continue

4. An advanced weapon and space systems company 4 Other Goodies Awards Selection Awards Selection ATK Member Anthony Onesi served on the review team ATK Member Anthony Onesi served on the review team Volunteers Volunteers ATK member would like to help set up Certification Process ATK member would like to help set up Certification Process Growth Opportunities Growth Opportunities ATK & TCSSS teaming with UMSEC – Joint Meetings, Speakers, New Contacts ATK & TCSSS teaming with UMSEC – Joint Meetings, Speakers, New Contacts INCOSE – Twin City chapter interested in joint meetings, asked us present papers INCOSE – Twin City chapter interested in joint meetings, asked us present papers Chapter Expansion Chapter Expansion Should TC chapter be a Minnesota or 5 state regional chapter ? Should TC chapter be a Minnesota or 5 state regional chapter ? New Officer Terms New Officer Terms Two year term for current officers ends summer of 06 ? Two year term for current officers ends summer of 06 ? Will set up nominating committee this fall or winter Will set up nominating committee this fall or winter Issue with low number of members who are interested in being an officer Issue with low number of members who are interested in being an officer

5. An advanced weapon and space systems company 5 We Need Remember Our Focus Unknowns Can Produce Costly Surprises The Unknown Can Suddenly Become Reality Unknowns Can Lead to Major Mishaps Purpose of Safety Engineering Is Mishap Prevention