1. Telescope Mount Assembly (TMA) Status and Schedule Design Contractor: Empresarios Agrupados (Madrid Spain) Fabricator: Asturfeito (Asturias, Spain) LSST Telescope and Site Manager: Shawn Callahan (Tucson, Az)

2. TMA: Circa 8/5/2015 Dynamic performance meets TMA structural requirements as specified in LTS-103 sections 3.3

6. TMA Major Milestones: updated 8/4/2015 YearMilestoneDate 2015Preliminary Design Review 80% completion September 28-October 2 2015Final Design review by subsystemsOctober 30 – December 28 2016Azimuth track and concrete pier complete April 15 2016All TMA components ready for installation December 23 2017Factory testing reviewMarch 1 2017All hardware delivered to portJuly 15 2018TMA assembled at siteMay 1 2018TMA testing complete on siteJuly 15

7. 80% Preliminary Design Review Schedule FEA modal resultsJuly 31Comments Cad model frozen and available for review August 4Available in LSST vault All review materials available from EA September 4Post to Docushare (LSST reviews all materials) LSST Team Comments dueSeptember 21All comments collected using Jira Preliminary Design Review (Madrid) September 28-October 2Focus on design as developed, critical risk areas, and those requiring decisions. PDR report dueOctober 9Prepared by review team Approve PDR to advance to FDROctober 28 (Goal)

8. Final Design approval milestones Azimuth Track assembly closedOctober 30, 2015 Steel Plates BOM ApprovedNovember 1 Telescope structural design approvedNovember 15 Main drive design approvedNovember 15 Hydrostatic bearing system approvedNovember 30 Mount Control System approvedDecember 28 Steel Plates Material at shop (75%)December 15