Underground utilities in HK are like spider-web spaghetti. Locating these utilities without open-up is a difficult task. This talk will introduce some basic concept of ‘seeing the unseen’ technologies for mapping these utilities in 3D, and storing the information in geographic information system.

1. Feature Talk – Seeing and Unseen Underground Utilities in 3D

2. Tour in Geospatial Lab, with showcases and demonstrations (Face-to-face session only)

• Please register via the registration link (WhatsApp / Email)
  
  
• Quota for face-to-face session: 28 (priority will be given to members who attended the virtual sessions before)
  
  
• Free of charge
  
  
• The talk will be conducted in face-to-face session. Participants can also join via virtual session as observers
  
  
• Successful applicants will be notified individually by phone or email

*Geospatial Lab reserves the right to cancel or reschedule the activity

Ir Prof  LAI Wai Lok, Wallace

Ir Prof Wallace Lai is the Professor in the Department of Land Surveying and Geo-Informatics of the Hong Kong Polytechnic University.

He teaches and conducts research and consultancy of nondestructive testing, survey and evaluation to investigate unseen underground utility and engineering structures with ground penetrating radar, infrared thermography and acoustic methods. He also designs, builds and operates the first underground utility survey lab in Hong Kong in 2014.

Prof Lai was commissioned in 2019 to design and build a full-scale 25,000 sq.ft. training and research centre (Q-Leak) of underground leak detection and diagnosis. In the utility lab and Q-Leak, he designs blind test and measures cognitive biases in the process of human-machine interaction.

Recent interest of Prof Lai extends to unfold and model the terrain of hidden and lost WWII heritage sites using a range of geo-spatial technologies including air-borne, terrestrial LiDAR and photogrammetry.

Please contact the Geospatial Lab via 3708 7260, WhatsApp 9187 2916 or email services@csdigeolab.gov.hk