Subsurface Laser Scanning & Multi Beam Sonar surveys of voids, mines and shafts

Presentation to the Institute of Mining & Mechanical Engineers – North-East Region

Mark Hudson, Managing Director, Geoterra will be giving an evening presentation on recent developments in the subsurface laser scanning and multibeam sonar survey of voids, mines and shafts and their deliverables for global geohazards.

Recent case studies will be used to demonstrate the techniques and deliverables, including gypsum mine voids, Thornegate, Cumbria, Gypsum mine collapse, Drumgossatt, Co Monaghan, Carlisle, limestone/coal mine voids, Edinburgh, lead mine voids, Ecton Mine, Staffordshire and chalk mine voids, Pinner Wood School, Harrow.

An update on flooded sinkholes and mines R&D work on the UNEXMIN project developing a remote multibeam sonar survey robot and the recent TV5 documentary series on Sinkholes ‘Sucked to Death’ ‘Sucked Under’ and Building the Channel Tunnel – 25 years on

Mark Hudson FCInstCES MRICS MIMQS MBTS MBDA Managing Director GEOTERRA

Mark Hudson isthefounding directorof Geoterra.He is a CharteredLand, Mining & Minerals Surveyorwith the Royal Instituteof Chartered Surveyorsand consulting Geospatial Engineerand UAV pilot,withoverfour decadesof experiencein the geospatial engineering, tunnelling and mining industry.

Civil engineering, tunnelling and construction projects He has been involved in some of the most highprofile civil engineering, tunnelling, miningand construction projects inthe UK and worldwide:

• Consultant Surveyor, The Coal Authority for emergency mine surveys, voidsand collapses
• Consultant Surveyor, Shell E&P Ireland for the Corrib onshore gasproject, Ireland
• Consultant Surveyor, Sisk Roadbridge for the A1 Motorway project, Poland
• Chief Surveyor, Nishimatsu Construction for the Dublin Port Access Tunnel, Ireland
• Chief Surveyor, Irish Rail for the LUAS Light Rail inDublin,Ireland
• Chief CircuitEngineering Surveyor, Formula One Administration (FOA & FIA) formultiple global motor racing circuits
• Senior Surveyor, London Underground Ltd for theJubilee Line Extension Project, UK
• Shift SupervisingSurveyor, Tarmac Construction for the Channel Tunnel
• Area Surveyor, British Coal for various deep coal mines projects in South Yorkshire, UK

Expert witness for constructionlitigations and technical support Mark has also given evidence asan expert witness in the High Courtand provided reports for court in relation tomajorconstruction litigation cases.He regularly provides geospatial engineering technical support to legal teams.

He is a member of the British Tunnelling Societythe Irish Mines & Quarrying Societyand British Drilling Association.Heis a Fellow of the Chartered Institutionof Civil Engineering Surveyors(CICES) and sits on the Institution’s Council of Management. In 2010,Markwas awarded the CICES President’s Medal in recognition of his outstanding contribution to the professional body.

Mark is a regular commentator in the press,social mediaand speaker at conferences and seminars on geospatial engineering,void surveys,laser scanning, UAV’sand Building Information Modelling and onseveralNational & InternationalTV documentariesincludingSinkholes‘Sucked to Death’, ‘Sucked Under’,Building the Channel Tunnel–25Years on.

For more information about Mark and his company please visit www.geoterra.co.uk

Location: Lit and Phil, Newcastle-upon-Tyne

Timings:

17:30 Tea and coffee served

18:00 Lecture begins

18:45 Questions and answers

19:00 Close