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)

TMA: Circa 8/5/2015

Dynamic performance meets TMA structural requirements as specified in LTS-103 sections 3.3

TMA Major Milestones: updated 8/4/2015

Year Milestone Date2015 Preliminary Design Review 80%

completionSeptember 28-October 2

2015 Final Design review by subsystems October 30 – December 282016 Azimuth track and concrete pier

completeApril 15

2016 All TMA components ready for installation

December 23

2017 Factory testing review March 12017 All hardware delivered to port July 152018 TMA assembled at site May 12018 TMA testing complete on site July 15

80% Preliminary Design Review ScheduleFEA modal results July 31 Comments

Cad model frozen and available for review

August 4 Available in LSST vault

All review materials available from EA

September 4 Post to Docushare(LSST reviews all materials)

LSST Team Comments due September 21 All comments collected using Jira

Preliminary Design Review (Madrid) September 28-October 2 Focus on design as developed, critical risk areas, and those requiring decisions.

PDR report due October 9 Prepared by review team

Approve PDR to advance to FDR October 28 (Goal)

Final Design approval milestonesAzimuth Track assembly closed October 30, 2015

Steel Plates BOM Approved November 1

Telescope structural design approved November 15

Main drive design approved November 15

Hydrostatic bearing system approved November 30

Mount Control System approved December 28

Steel Plates Material at shop (75%) December 15