SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, LSST Telescope and Site Status William J. Gressler Telescope and Site Manager J. Andrew, J. Barr, F. Delgado, J. DeVries, E. Hileman, M. Liang, P. Lotz, D. Mills, D. Neill, W. Schoening, G. Schumacher, J. Sebag, O. Wiecha SPIE 2014 Astronomical Telescopes & Instrumentation SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Presentation summary Brief status of LSST Project Description of Telescope and Site (T&S) scope Status of early major subsystem awards Review of remaining procurements Plans moving forward SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, LSST is prepared to enter into construction in 2014 LSST NSF FDR successfully passed in December 2013 LSST Project in approved federal budget LSST at National Science Board in Feb/May 2014 SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Telescope and Site group part of an integrated project team LSSTLSST PMO WBS 1 Telescope & Site WBS 4 Data Management WBS 2 Camera WBS 3 EPO WBS 5 Commissioning WBS 6 SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, T&S scope defined by major subsystems within detailed WBS Current design team grows to support design/build contracts Software team to develop OCS/TCS with make/buy decisions Concludes with integration/test activities on summit WBS Name 04CTelescope and Site Construction 04C.00T&S Level 2 Milestones 04C.01Telescope System Management 04C.02Telescope System Engineering 04C.03Summit Facilities and Infrastructure 04C.04Dome 04C.05Telescope Mount 04C.06Mirror Systems 04C.07Wavefront and Alignment Systems 04C.08Calibration System 04C.09Reflective Coating System 04C.10Observatory Control System 04C.11Telescope Control System 04C.12Utilities and Support Equipment 04C.13Base Facility and Infrastructure 04C.14Telescope Integration and Test Design Build Contracts Scope Defined by WBS Elements SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, The T&S team observatory system baseline designs meet the LSST mission requirements 1,380m 2 Service and Maintenance Facility Summit Facility Controls Survey Captures Light Calibrates Conditions Control Room Camera Clean Room Coating Chamber 1.2-m Atmospheric Telescope 30-m Dome 350-ton Telescope Base Facility Operations Support Data Access Center SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Important pre-construction work complete and many early procurements in place Work complete: Site selection and early preparation Mirror substrates acquired (M1M3, M2) Calibration telescope obtained Contract awards (Phase A/Phase B): M1M3 polishing M2 Cell Assembly (polishing and integrated testing) Hexapod/Rotator system award Telescope Mount Assembly award Summit Facility award pending Future awards: Dome system M1M3 mirror cell Coating chamber system Calibration spectrograph Base facility SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, LSST to be built on Cerro Pachn in Chile (chosen in 2006 & all use permits secured) 50 km paved highway AURA property (Totoral) km CTIO N LSST Summit Facility Coquimbo Gemini & SOAR Puclaro dam & tunnel La Serena airport Vicua Pan-American Highway port Central Chile Location Map La Serena 40km dirt road LSST Base Facility SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Summit facility drawing package complete to support general contractor selection ARCADIS A&E supported Chilean procurement Bids received April 2014; vendor recommended Planning for site mobilization in late 2014 SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Facility layout driven by functional requirements & thermal considerations Key features: 16-m reinforced concrete pier Tapered design with interior platforms Vertical lift to support 65-ton M1M3 cart assembly Cladding shaped to channel wind SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Compact 3-mirror optical system enables stiff design to achieve rapid cadence LSST booth (#217) Cross section through telescope and camera M2 Mirror Camera M1M3 Primary Mirror SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Telescope Mount Assembly (TMA) in final stages of contract execution with vendor Key elements: Hydrostatic bearing system, linear drive motor system (az/el) Coolant/utility lines, Camera cable wrap Capacitor bank system Surrogates (camera, M1M3, M1M3 cell, M2) SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, TMA design provides camera access and subsystem removal as assemblies SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, M1M3 optical polishing and final acceptance testing to be completed this year SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, M1M3 shipping container complete and local storage location identified LBT Mirror Container Loading Mirror Lifter Installed on LBT mirror Vacuum Pumps Vacuum Cups Lifter Frame SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, T&S group will procure M1M3 cell and fabricate support system hardware Exploded View Trial fit at TMA vendor; back to AZ for M1M3 testing SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, T&S group will fabricate the M1M3 support system hardware for integrated testing Hardpoint Actuator Assembly Typical Dual Axis Actuator Assembly SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Integrated optical testing at SOML planned before shipment of M1M3 to summit SOML provides integration support and facilities Full active optics support demonstration and tuning of thermal control system Previous SOML Integration Efforts SOML Test Tower Configuration M1M3 mirror with fully integrated mirror support system within the cell SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, M2 Cell Assembly to be fabricated/tested before shipment to summit M2 substrate in near net shape (in turnover box) Exelis to provide polishing and integrated optical testing in mirror cell (CX down orientation) SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, M2 Hexapod and Camera Hexapod/Rotator to be fabricated by Moog/CSA SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Early efforts to determine final strut design and rotator bearing components SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Dome system procurement planned for release in Fall 2014 Key features: Oversized bi-parting aperture shutter Integrated light/wind screen, louvered vent system Rear access doors, overhead crane system Az drive system (crawl), capacitor bank system SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Coating chamber on summit provides enhanced aluminum via rotating magnetrons Subsystem procurement in 2015 M1M3 cell functions as lower vacuum vessel M2 removed from cell for coating SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Includes mirror strip/clean station and additional lower vessel to coat M2 SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Base facility and data center designs driven by Operations plan and DM needs SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, T&S team responsible for calibration screen system within dome Diffuse screen illuminated by tunable laser source Two arrays of projectors overfill pupil Measured output via NIST-calibrated photodiodes Additional broadband collimated source SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Kitt Peak Calypso 1.2-m telescope relocated to Tucson facility to enable refurbishment Utilities and pier provided by summit facility vendor Nasmyth ports used for spectrograph and SHWFS for alignment PWV measurement (GPS/microwave radiometer ) and cloud monitoring via visible/IR all-sky (ASIVA) SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Custom inner loop controller (ILC) electronics developed to provide common interface ILCs intended for use with any actuator within TMA M1M3 electromechanical hardpoints M1M3 pneumatic actuators M1M3 thermal control units M2 electromechanical axial actuators M2 electromechanical tangent links M2 tangent link strain gauges General protocol converter for non-standard serial digital devices SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Software team to develop OCS/TCS software deliverables Control architecture based on data distribution system using communications middleware Scheduler prototyping via OpSim effort Cadence workshop in August to engage community SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Significant progress on curvature WFS code, guiding, and alignment strategies Edge of FOV detectors provide wavefront/guider data Major optical axes capture via laser tracker SMRs SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Telescope system integration activities defined for initial 3-mirror testing Repeat M3 optical test on TMA under full active control as zenith pointing (with PhaseCam) Install integrating structure with SHWFS Perform on-axis 3-mirror telescope alignment (diffraction limited on-axis by design) M3 Interferometer Shack-Hartmann WFS SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, The Telescope and Site plan is aligned with the overall Integrated Project Schedule Mount Complete Summit Complete Dome Complete 3-Mirror Testing Start Early Commissioning with ComCam Install Camera Science Verification Early Completion SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Moving into construction will require help LSST hiring campaign kick-off T&S Tucson team almost doubles in size Additional space within NOAO (offices/labs) Office in La Serena established Transition to Chile as major subsystems arrive and are integrated T&S resources transition into Commissioning and eventually Operations The LSST Project is Ready for Construction SPIE 2014 Montreal, Quebec, Canada June 22 nd - June 27 th, Thank you