Monday, 9 June 2014

Upper Thomson - It's Beginning

We kickstart our series of aerial updates this month at Upper Thomson. Almost all vegetation have been cleared at the station site and ULS, with the center median hoarded up with concrete barriers while compact excavators remove the remaining obstructions beneath while canal diversion works take place.

Tunnelling to CDT is set to be a battleground between earth and infrastructure. A 500m section below Marymount Road will be bored parallel, directly below the existing Circle Line tunnels with 10-15m clearance, something that the local authorities have not endeavored before. Other challenges thrown into the works include tunnelling below the existing Macritchie Viaduct, Marymount Flyover, DTSS as well as concurrent projects like the North South Expressway and SPPG cable tunnel taking place simultaneously.

Tunnelling works at ULS are scheduled to commence by 2H 2015. ULS will have a cross passage integrated within the shaft. ULS-UTS will have a single CP, while ULS-CDT will feature 4 CPs within the tunnels.

Update Preview - Station box looking north
Update Preview - Station box looking south
Update Preview - Upper Thomson Launch Shaft (ULS)


Hoarding at street level
Currently, the existing canal runs behind the row of trees in front of the terrace houses. This will be diverted to the
opposite side of the road, beginning under the POB. The diversion canal will run all the way to the Thomson Post Office.
Site clearing for Entrance B at the north
Site clearing for Entrance B as seen from Thomson Plaza
Thomson Plaza
Southern boundary of station box. Thomson PO being demolished to the left
Street level
Thomson PO from street level
Thomson Post Office being demolished
Street view of ULS
25m x 41m ULS to be situated underneath the existing POB
A road diversion would swing the existing road closer to Shunfu (to the right)
The road diversion should take place by the end of this year
Site office & future road diversion
Top down view of the future ULS

Archive photos taken in May

4 May 2014 - Tree-felling on-going at the road median
4 May 2014 - A view along Upper Thomson Road atop where the station box is located
4 May 2014
4 May 2014 - Thomson Post Office before demolition works begin
4 May 2014 - The site of ULS with the site office in the background
4 May 2014

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