编号 : 2020041
项目名 : A Record Survey for Lion Rock Tunnel using Mobile Laser Scanning and Imagery System (MLSI) in Highways Department
学会持续专业发展编号 : Formal Events
讲师 : Sr TSANG Yiu Cheung, Alvin
MHKIS

Alvin is currently an assistant land surveyor in Housing Department. He is a council member of Land Surveying Division, HKIS since 2019. This talk was recommended by LSEDC. The APC Practical Task prepared by the speaker was awarded with the Best LSD APC Award 2019.
日期 : 2020-06-04
时间 : 7:00 pm - 8:30 pm
注册截止日期 : 2020-06-02
有关组别之资格预审前研习小时 : 1.5
Divisional PQSL Hour(s) : 1.5
地点 : By online media – Zoom
部门 : LSD
主办者 : Land Surveying Division
费用 : HK$150 for members; HK$180 for non-members (HK$30 walk-in surcharge on all prices listed)
名额 : First-come-first-served
语言 : Cantonese supplemented by English
详情 :

Mobile Laser Scanning and Imagery System (MLSI) is a mobile mapping solution procured by Survey Division of Highways Department (HyD) to support different kinds of road related and asset management works in HyD.

 

In this talk, Alvin will introduce how a record survey for Lion Rock Tunnel was performed using MLSI. The design of survey scheme as well as the analysis of absolute and relative position accuracy of data collected under different durations of Global Navigation Satellite System (GNSS) outages will be discussed. In addition, various adjustment methods and combinations that applied in correcting the datasets will be compared and evaluated. Alvin will also shall his view on a suggested survey workflow for conducting tunnel record surveys using MLSI during the end of the talk.

备注 :

Rescheduled from 23 March 2020

付款 : HKD 150
Face-to-Face/Zoom : Please refer to the remarks