GLAST LAT Project LAT Engineering Meeting LAT Face

GLAST LAT Project LAT Engineering Meeting LAT Face to Face Manager’ Meeting Nov. 3, 2004 LAT Level Design Status Rob Black rpblack@slac. stanford. edu 1 11/3/2004

GLAST LAT Project LAT Engineering Meeting Agenda • Agenda – Last Month's Accomplishments – Drawing Release Plan – Issues and Concerns 2 11/3/2004

GLAST LAT Project LAT Engineering Meeting Last Months Accomplishments • • Support of Mechanical Systems – Released LAT-DS-01580, Grid Box Base Assembly – Continued detail design efforts on MLI – Continued documentation maintenance Support of DAQ – Released Cable Way detail parts – Continued documentation maintenance – Instrumentation • Defined thermistor and accelerometer quantities and locations. – Need to review with appropriate subsystems and update all documentation • Established basic harness definitions, connector locations, pin outs etc. • Top Assembly Documentation – CAL-TEM Assembly Drawing submitted for release – Reviewing Tower installation drawing with Design Integration and I & T. 3 11/3/2004

GLAST LAT Project LAT Engineering Meeting Drawing Release Plan Top Level Drawings Document Description Issues Release ECD Need Date LAT-DS-01624 LAT Assembly Drawing MLI design must be completed 4/30/2005 LAT-DS-02561 LAT Tower & Elect Assembly Drawing Instrumentation routings defined 12/3/2004 11/1/2004 LAT-DS-02560 LAT Tower assembly drawing Finalizing instrumentation routing, TEM clocking, tracker cable bonding 11/12/2004 10/1/2004 LAT-DS-02559 CAL-TEM-PS Assembly drawing In review cycle with changes based on NRL review 11/10/2004 10/1/2004 Interface Drawings Document LAT-DS-00309 Description ACD-LAT INTERFACE, IDD Pending Rev. 04 Issues Updates complete, waiting for comments Drafting ECD Submitted for review 9/22 To Doc Control 11/3 LAT-DS-00233 CAL-LAT INTERFACE, IDD 07 Received comments from NRL 10/28 LAT-DS-00040 LAT INSTRUMENT STAY CLEAR 12 Update ACD envelope, Flexure clearance, MLI Interface Waiting for inputs from Spectrum ? LAT-DS-00851 TRACKER-LAT INTERFACE, IDD 2 Received comments from I & T 10/28, need to resolve Submitted 9/2 4 11/3/2004

GLAST LAT Project LAT Engineering Meeting Issues & Concerns • Timely and Appropriate review of Documents • CAL Interface (CAL-LAT IDD LAT-DS-00233 Rev 07) – 4 weeks to receive comments. • ACD Interface (ACD-LAT IDD LAT-DS-00309 Rev 04) – Check print sent out for review, 9/22, waiting for feedback • MLI Blanket Design – Conceptual design still in review by Spectrum – The only feed back received since 9/7/04 is a request for additional drawing views on 10/28 – Note the additional work to provide views was not planned until conceptual design approval was given. • Instrumentation – Detail design of cabling over 50% complete, cooperation between subsystems is required – Issues still open from last month • • • Instrumentation Termination Bracket design definition Specific locations and mounting methods have been defined, need to be reviewed Still need detail harness definition for accelerometers 5 11/3/2004