編號 : 2020041
項目名 : A Record Survey for Lion Rock Tunnel using Mobile Laser Scanning and Imagery System (MLSI) in Highways Department
學會持續專業發展編號 : Formal Events
講師 : 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
時間 : 7:00 - 8:30 pm
有關組別之資格預審前研習小時 : 1.5
Divisional PQSL Hour(s) : 1.5
地點 : 香港上環干諾道中111號永安中心12樓 1207室測量師研習中心
部門 : LSD
主辦者 : Land Surveying Division
費用 : HK$150 for members; HK$180 for non-members (HK$30 walk-in surcharge on all prices listed)
名額 : First-come-first-served
語言 : Cantonese supplemented by English
詳情 :

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.

備註 :

Rescheduled from 23 March 2020

付款 : HKD 150