Geodesy Mark Jones EN/SMM-HPA Revue Interne des Activités Survey HL-LHC 17.06.2019

EDM Long Distance Control Baseline UR Galleries Design Azimuths Outline EDM Long Distance Control Baseline UR Galleries Design Azimuths Meetings and Communications Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

EDM Long Distance Control Baseline Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

EDM Long Distance Control Baseline Analyses finished and documented New calibration parameters inserted into Survey database (constant + scale factor) Mekometer (ME5000.357015) + prism (KE.3) Scale factor now applied to measurements too Measurements reduced with new parameters Approximate coordinates for baseline pillars inserted in database Based on values obtained visually from GIS system Advice on measurement conditions Proposed modifications to CaliDist, LGC, Survey dB Proposed new measurement module for Mekometer Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

EDM Long Distance Control Baseline New approximate coordinates for pillars - real position and orientation of baseline Reference Pillar X Y Z H (m) SURFACE.PBASE.1. 688.9084 5416.5638 2457.6246 458.6230 SURFACE.PBASE.2. 602.5000 4944.5000 2451.5446 452.3330 SURFACE.PBASE.3. 593.4624 4895.3317 2451.5634 452.3320 SURFACE.PBASE.4. 584.4539 4846.1365 2451.5808 452.3300 SURFACE.PBASE.5. 575.4487 4796.9575 2451.6048 452.3350 SURFACE.PBASE.6. 566.4436 4747.7805 2451.6194 452.3310 SURFACE.PBASE.7. 557.3758 4698.6043 2451.6376 SURFACE.PBASE.8. 548.4314 4649.4157 2451.6545 SURFACE.PBASE.9. 539.4221 4600.2201 2451.6830 452.3410 SURFACE.PBASE.10. 530.4157 4551.0355 2451.6980 452.3390 SURFACE.PBASE.11. 521.4099 4501.8546 2451.7107 SURFACE.PBASE.12. 512.4052 4452.6782 2451.7249 SURFACE.PBASE.13. 413.6094 3913.1521 2451.8867 452.3420 Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

EDM Long Distance Control Baseline New reference distances relative to PBASE.2 Reference Pillar Target Pillar Reference Distances (m) PBASE.2 0.0000 PBASE.3 49.9920 PBASE.4 100.0052 PBASE.5 150.0019 PBASE.6 199.9966 PBASE.7 250.0018 PBASE.8 299.9970 PBASE.9 350.0107 PBASE.10 400.0131 PBASE.11 450.0117 PBASE.12 500.0058 Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

UR Galleries design azimuth UR galleries at Point 1 and Point 5 to be parallel to LHC tunnel Processing of Azimuth Data LHC Tunnel at Point1 and Point 5 Re-establish an Azimuth Control Baseline GP.404  GP.228 Geodetic Base (Pilier.1  Cible.2) Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Reference Azimuths Gyro-Theodolite re-calibrated by DMT Geodetic Base reference azimuth 215.4453 Gon Gyro  ~3 mGon difference Astronomical Azimuth determination 215.4454 Gon DMT calibration modified Database Calibration constant E + DE (E = 252.6571 Gon; DE = 0.0032 Gon) Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Point 1 Calculation Results -0.4 mgon 0.1 mgon Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Point 5 Calculation Results 0.3 mgon 0.1 mgon 0.7 mgon Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Azimuth and Bearing Relationships g = meridian convergence Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Azimuth and Bearing Relationships g = meridian convergence At P5, DgSTN ~1 mgon Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

CGRF and Geocentric Geodetic System Misalignment Angles ITRF97-CGRF rotations e (x) -4.67 cc e (y) 18.25 e (z) 9.91 Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Revised Azimuth and Bearing Relationships Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Revised Azimuth and Bearing Relationships Parameters handled by LGC Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Revised Azimuth and Bearing Relationships N.B. a0 parameter not yet implemented! Should be applied by hand if required Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Estimated Azimuths Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Meetings and Communications Memos to SMB-SE EDM Long Distance Control Baseline Distances Tunnel Azimuths at LHC Interaction Points (IP.1 and IP.5) Engineer and Contractor Surveyors – Point 1 & Point 5 Companies changed Explanations of reference systems and software Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

To Do Documentation Calculations and Analyses of Reference Network Co-ordinates Calculations and Analyses of Reference Azimuths Determination Software Data Capture Modules Specifications Gyro-Theodolite (preliminary discussions) Mekometer Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

To Do Development of new observation models ECVE (and ECSP), Tilts, HLS, WPS, FSI, DOMS HLS can be achieved with adaptations of DVER Tilts possible with transformation of Frames (this transformation gives lots of extra flexibility) Both options cleaner with a new observation type Specifications of data parameters to be managed Instruments/Sensors and Observations data Fiducialisation and assembly data Point and Frame Transformation parameters’ standard deviations Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

All parameters required for the HL-LHC Civil Engineering established Conclusions All parameters required for the HL-LHC Civil Engineering established Documentation to do Software and Database modifications have been made and/or will be required Other modifications are proposed New data capture modules would avoid manual manipulation and construction of data files Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019

Thank you for your attention Mark Jones EN/SMM-HPA Revue interne des activités Survey HL-LHC - Geodesy 17.06.2019