1. Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 1 Design, Manufacture, Transport and Integration on-site in Chile of ALMA AntennasRAM-LOGISTICSoverview PM#03 Torino - April 5 th - 6 th, 2006

2. Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 2 ALMA “Renewable system” Requirements System failure events: MTBF req. System repair interventions: Maintainability numerical/qualitative req. Maintenance provisions AEM RAMS & Logistics Reliability activity: - System modelization - Prediction of units MTTF - Allocation (inputs to unit specs.) Maintainability & Logistics activity: - LRU(s) identification - Maintenance strategy - MTTR(s) evaluation - Life Limited Items list - Preventive maintenance actions identification System level requirements verification: - Probabilistic models - Design reviews - Simulations - Spares calculation - Etc. Design modification and/or Logistics improvements Logistics activities: Maintenance manual definition

3. Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 3 FEBRUARYMARCHJUNEAPRILMAYAUGUSTSEPTEMBEROCTOBERJULYNOVEMBER Reliability Allocation Reliability Prediction Finalization of Reliability assessment Maintiability model Maintainability analysis: Prediction, LRUs identification, Spares calculation, etc. Finalization of maintainability analysis Logistics activities: LRUs identification, MTTR evaluation, Spares calculation, etc.→Maintenance Manual preparation LOGISTICS RAM