Transcript PSA
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 [email protected] 650-926-4577 1 GLAST LAT Project Subsystem Managers Face to Face, November 17, 2004 Cost Estimate • 10/31/04 Baseline Cost Estimate – $2,935K • 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 $552K for staff funding through 7/14/05 • 11/17/04 Rebaseline Plan – $3,894K ($959K 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 (+$594K) – 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 (+$122K) – 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 (+159K) – Internal rework procedure development and inspections – Continued inspections of Tracker and DAQ parts – DAQ harness inspection at vendor facility • Management, calibration and travel (+$84K) 3 GLAST LAT Project Subsystem Managers Face to Face, November 17, 2004 Increased Cost Summary Completion of LAT Fab 9/28/2005 7/14/2005 Delta Quality Engineering $ 594 $ 397 Source Inspection $ 122 $ 75 $ Quality Inspectors $ 159 $ 51 $ 108 Management, Travel, Calibration $ 84 $ - Totals $ 959 $ 523 $ 197 $ 47 84 $ 436 4