FIG Peer Review Journal

Geometrical Building Inspection by Terrestrial Laser Scanning (3275)

Thomas Kersten, Harald Sternberg and Klaus Mechelke (Germany)

Prof. Thomas Kersten
HafenCity University Hamburg
Department Geomatics
Hebebrandstrasse 1
Hamburg
D-22297
Germany

Corresponding author Prof. Thomas Kersten (email: thomas.kersten[at]hcu-hamburg.de, tel.: + 49 40428275343)

[ abstract ] [ handouts ] [ handouts ]

Published on the web 2009-02-16
Received 2008-12-01 / Accepted 2009-02-16

This paper is one of selection of papers published for the FIG Working Week 2009 in Eilat, Israel and has undergone the FIG Peer Review Process.

FIG Working Week 2009
ISBN 978-87-90907-73-0 ISSN 2307-4086
http://www.fig.net/resources/proceedings/fig_proceedings/fig2009/index.htm

Abstract

The terrestrial laser scanning system Trimble GS100 was used in two projects for geometrical building inspection. Using data acquired by laser scanning as-built measurements could be compared with building plans to determine deviations and possible collisions. The results achieved in these projects demonstrate clearly that terrestrial laser scanning data allows very extensive inspection of buildings due to the high geometrical quality of the point clouds. However, if increased precision (of better than 2mm) is required, the performance potential of the laser scanning system is limited. Since extensive CAD modelling was not necessary for these particular projects very fast results (up to a factor of 1:1 for the ratio of scanning to data processing) could be produced.

Keywords: Positioning; Laser scanning; Engineering survey; Tunnel surveying; Deformation measurement; accuracy; evaluation; inspection

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