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 Antennas Documents status at PM04 Dated April 6 th, 2006

Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 2 tCIDL extract delivered to ESO

Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 3  List of documents delivered by ESO since the PM03 ESO-AEM TM 019 ( ): Front End Support Structure Material –Action: AEM to note ESO-AEM TM 020 ( ): Available Information about dust at the AOS-Panel Qualification –Action: AEM to note AEM to give us instructions on the further shipping of the Panels. ESO-AEM TM 021 ( ): Questions ALMA cables –Action: AEM to note

Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 4  List of documents delivered by ESO (Cont’d) ESO-AEM TM 022 ( ): Surface accuracy measurement done on the prototype AI 21 –Action: AEM to note, and to take this data into consideration for their further analyses (This closes the AI 21).

Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 5  List of Change Proposals delivered by AEM to ESO since the PM 03 ANTD CRE ( ) Access to the tilt degrees of freedom of the sub-reflector (ANT-ESO A-CRE ( ) ANTD CRE ( ) Transport brackets Bolts (ANT-ESO A-CRE ( )

Reproduction interdite © ALMA EUROPEAN CONSORTIUM Reproduction forbidden Design, Manufacture, Transport and Integration in Chile of ALMA Antennas Page 6  List of TM delivered by AEM to ESO since the PM 03 AEM-ESO TM 005 ( ): Proposal for Change Request process –Action: ESO to review the proposed CRE process and notify comments AEM-ESO TM 009 ( ): Questions ALMA cables –Action: ESO to provide clarification to the questions of the TM