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 Antennas Documents status at PM04 Dated April 6 th, 2006

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

3. 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 (2006-04-12): Front End Support Structure Material –Action: AEM to note ESO-AEM TM 020 (2006-05-03): 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 (2006- 05-03): Questions ALMA cables –Action: AEM to note

4. 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 (2006-05-15): 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).

5. 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-3300000-0-001-CRE (2006-05-15) Access to the tilt degrees of freedom of the sub-reflector (ANT-ESO-34.001-A-CRE (2006-03-23) ANTD-3300000-0-002- CRE (2006-05-15) Transport brackets Bolts (ANT-ESO-34.002-A-CRE (2006-03-23)

6. 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 (2006-04-13): Proposal for Change Request process –Action: ESO to review the proposed CRE process and notify comments AEM-ESO TM 009 (2006-04-13): Questions ALMA cables –Action: ESO to provide clarification to the questions of the TM