GLAST LAT Project Gammaray Large Area Space Telescope

GLAST LAT Project Gamma-ray Large Area Space Telescope Subsystem Managers Face to Face, November 17, 2004 GLAST Large Area Telescope: Performance & Safety Assurance Cost to Complete Darren Marsh Stanford Linear Accelerator Center Performance & Safety Assurance Manager Marsh@slac. stanford. edu 650 -926 -4577 1

GLAST LAT Project Subsystem Managers Face to Face, November 17, 2004 Cost Estimate • 10/31/04 Baseline Cost Estimate – $2, 935 K • Performance Assurance activities performed on a level of effort basis • Cost estimate covered quality engineering and inspection staff through 1/31/05 – Lien identified for $552 K for staff funding through 7/14/05 • 11/17/04 Rebaseline Plan – $3, 894 K ($959 K Delta) • Change in LAT delivery date to NRL 9/28/05 • Schedule delays of subsystem hardware deliveries • Quality problems associated with critical components and assemblies 2

GLAST LAT Project Subsystem Managers Face to Face, November 17, 2004 Change Detail • Quality Engineering (+$594 K) – Addition of Software Quality Engineer (. 5 FTE) through end of 9/28/05 – Assigned QE to address MCM workmanship issues and support Tracker Engineering staff on quality issues • Source inspection (+$122 K) – Extension of Tracker MCM and DAQ box assembly source inspection personnel to reflect completion of work – Dedicated individual to Tracker flex cable fabrication activities due to supplier problems • Quality Inspectors (+159 K) – Internal rework procedure development and inspections – Continued inspections of Tracker and DAQ parts – DAQ harness inspection at vendor facility • Management, calibration and travel (+$84 K) 3

GLAST LAT Project Subsystem Managers Face to Face, November 17, 2004 Increased Cost Summary 4