Ioannis Kotsis

Experience

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  [Self Employed]

  Jul 1998 - Oct 2005

  Surveyor Engineer

  Property / Real Estate Surveying for building licenses issue, repairs license issue, demolitions license issue, purchase / ownership transition contracts, property limits disputes resolution, e.t.c.

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  National Technical University of Athens

  Aug 1998 - Nov 2005

  Surveyor Engineer / Researcher / Teaching Assistant

  Research Projects:July 1998 – March 2002Participation in various Large Scale Geodetic Network GPS Surveying campaigns for the determination of tectonic activity – induced displacements (Field Work, Processing and Report Editing)[during 1997 – 1999]Participation in Hellenic Navy’s Meko 200HN class frigates performance and maneuverability evaluation projects (Sea Trials) by DGPS methodJanuary 1998 - April 1999Mobile highway mapping project “North Crete Highway Survey” with multiple sensors /surveying instruments (GPS PPK, INS/Gyro, Doppler GPS, odometers, inclinometers, video photogrammetry) integrated on automotive platform. (NTUA/RSE) • Design of the mapping automotive platform (Algorithm design and software development for systems integration, hardware installation on platform, lever arms determination, systems testing.• Field work• Software development for the precise determination of velocities using GPS Doppler measurements, for the integration of the measurements and the extraction of the road alignment geometrical elements (lines, arcs, clothoids) from position and velocity data• Post processing for positioning / velocity determination Project funded by the Ministry of Urban Planning and Public Works, Public Works SecretariatJuly-June 1998, July-August 1999Complete hydrographic survey of Kremasta Hydroelectric Dam Artificial Lake to determine the impact of the depositing of the hovering, river-borne particles in the dam’s useful life spanPreparation and Planning, Field Work, Processing (DGPS post-processing, hydrographic drawings)Educational Tasks:October 1998 –February 2002Programming Languages (C++/Basic) of 1st and 2nd semestersOctober–February 1998-2002 and 2004-2005Satellite Geodesy and Surveying of 7th and 8th semestersOctober–February 1998-2002 and 2004-2005 Advanced Issues in Satellite Geodesy of 9th semesterWriting and Editing lecture notes for Interferometric Synthetic Aperture RADAR for Subsidence Detection Show less

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  Institute of Space Applications and Remote Sensing , National Observatory of Athens

  Feb 2000 - Oct 2006

  Surveying/Software Engineer, Researcher

  Tasks:Development of InSAR software modules for various applications (NTUA-NOA/ISARS)Participation in various projects regarding the detection and measurement of tectonic activity – induced subsidence fields with InSAR methodsJuly – October 2004Project “Sithon”: Development of a multi – sensor (GPS, Gyro, INS, IR thermal) airborne platform for fully – automated, real time fire detection and positioning. (NOA/ISARS)• Design and composition of the mapping flight platform (Algorithm design and software development for systems integration and interface, hardware installation on platform, lever arms determination, systems ground testing and test flights.• Thermal sensor geometrical calibration (determination of internal orientation, radial distortion, and relative to platform parameters) and radiometric calibration. • Field work (final test flights).• Evaluation and assessment of results; Technical reports Project proposed by NOA/ISARS, approved and sponsored by General Secretariat for Research and Technology (GSRT) Show less

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  Topometria Ltd

  Nov 2003 - Jul 2012

  Surveyor Engineer - Technical Consultant

  Indicative / Noticable Projects:March 2008 – April 2008Renovation of the Athens Metro Line 1 (Formerly known as “Athens & Piraeus Electric Railways lines (HSAP)”):Higher order geodetic control networks for the support of the surveying worksOctober 2007Construction of Platanos – Trapeza rail line and tunnel of OSE (Railway Organization of Greece): Higher order geodetic control networks for the support of the surveying worksMarch 2006 - October 2006Construction of the Athens Metro, extension of line 2, part Agios Dimitrios – Elliniko: Higher order geodetic control networks for the support of the surveying worksFebruary 2006 – June 2006Underground mining by the Hellas Gold S.A (European Goldfields). at the wider vicinity of Stratoniki village at east Chalkidiki: surface displacements monitoring over active mining areasOctober 2005 & March 2006Construction of the hydraulic tunnel for Acheloos River diversion project: Surface and Underground geodetic control networkFebruary 2005Construction of the Zubr class amphibious warfare hovercraft vessels docking station of the Hellenic Navy at Perama Attica: Control network and various surveying works (setouts, quantity and as built surveys) Show less

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  Topomet

  Nov 2003 - Oct 2006

  Surveyor Engineer, Technical Consultant

  Indicative / Noticable Projects:March 2006 – August 2006Rion – Antirion (Charilaos Trikoupis) 2886 m cable stayed bridge:Post – construction tectonic and structural displacements monitoringMay 2005 – March 2006S2 tunnel of the part 1.2.3 of Egnatia Motorway:Geological and structural surface displacements monitoring[During 2005]Construction of Egnatia Odos Motorway NATM tunnels (S1, S2, S3, S10, T6): 3D laser scanning surveys prior to the final lining works for the geometrical control of the tunnel excavation[During 2005]Construction of Bridge C4 and Panagia tunnel of the Egnatia Odos Motorway:Higher order geodetic control networks for the support of the surveying worksFebruary 2005 – March 2005Construction of parts 1.1.2 – 1.1.6 of Egnatia Odos Motorway: Roadside geodetic control networks for the support of the surveying worksJanuary 2004- May 2004Ancient Ilida Archaeological Site Surveying with 3D Laser Scanning, terrestrial and aerial photography, for the generation of 3D digital models textured with photograph – derived and photogrammetrically imposed RGB textures:Technology demonstration project by TopoMet S.A. – Geotech LtdMarch 2004Ikonio suburban railway tunnel NATM excavation geometrical control3D laser scanning surveys of prior to the final lining works for the geometrical control of the tunnel excavation Show less

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  AKTOR SA

  Nov 2006 - Aug 2012

  Surveyor Engineer

  Project:Athens Metro, extension of line 2, part Agios Dimitrios – EllinikoBrief description:Length: 1 x 5.5 km. Single twin-track tunnel. Boring with 1 EPB TBM. 4 stations, 1 depot, 1 cross - over shaft,1 extension shaft, 4 evacuation - access - ventilation - escape shafts.Tasks:Establishment and maintenance of the total of the surface and tunnel control networks. Design Reviews. Software development for tunnel set - outs and tunnel geometrical checks.Misc Projects and Tasks:• Bids Editing for two major subway metro projects (Extension of line 3 from Agia Marina to Peireas Municipal Theater of Attiko Metro και extension of Thessaloniki Metro to Kalamaria). • Surveying Support for the design and construction of emergency intervention projects at Noth East Attica regions struck by the 21 - 24 August 2009 wildfire: Construction of 15 hydraulic steps by reinforced concrete in ravines and streams. Surveys, designs reviews, stakeouts, as built surveys.• Surveying Support for the design and construction of solar parks of various sizes and powers (100 KW - 8 MW). Surveys, designs reviews, stakeouts, as built surveys.• Surveying Support for various equipment and improvement minor projects for Attica Motorway (Firefighting water tanks, soundbarriers e.t.c.). Surveys, designs reviews, stakeouts, as built surveys.• Design, Quantity surveying and surveying support for the construction of the open parking space of the Hellenic police Central HQ, (Surveying, Designs, Stakeouts for earthworks, tarmac and drainage) Show less

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  Copenhagen Metro Team I/S

  Nov 2012 - Dec 2013

  Surveyor Engineer

  Project:Copenhagen Metro City RingBrief Discription:Length: 2 x 17 km. Twin Single - Track Tunnels. Boring with 4 EPB TBMs. 17 Stations, 1 Cut and Cover Ramp, 3 Cross - Over Shafts.Tasks:Establishment and maintenance of surface and tunnel control networks, management of surveying work subcontractors, sites surveyor.

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  AKTOR SA

  Dec 2013 - Dec 2023

  Senior Surveyor Engineer

  Project:Thessaloniki Metro, extension to Kalamaria. Brief Discription:Length: 2 x 4.5 km. Boring with 2 EPB TBMs. Twin single - track tunnels. 5 stations, 1 pump shaft, 1 forestation, 3 crossover shafts, 2 evacuation-access-ventilation-escape shafts.Tasks:Surface and tunnel control networks, TBM Guidance, design reviews