Tanjong Pagar Railway Station - Restoration and Preservation

Tanjong Pagar Railway Station (former) was closed in Dec 2016 and works were carried out to cut the platform canopies (?) and locate them to a holding area, while the new underground Cantonment MRT station would be constructed as part of the Circle Line extension. The historic building would be linked to the new MRT station when it will be completed in 2025.

The prominent facade statues carved in what seemed to be Soviet style.

When you tell people not to do it...

Platform canopies with fascia fins, which are unique grooves on their eaves. These seemed to have been jet-washed before, maybe to test how well they hold up.

 Another look at the platform canopies.

A heritage Raintree seemed to be close to the Cantonment MRT station construction works.

  "KEEP OUT - Heritage Tree Protection Zone"

PVC tubes capped and buried in the ground, and encased with concrete, located behind the tree and there was a similar one downslope in front of the tree. I believe that there are inclinometers inside those PVC tubes.

 Raintree was attached with monitoring prisms for surveying/surveillance.

From Wikipedia (https://en.wikipedia.org/wiki/Total_station): In surveying, a prism is... normally attached on a surveying pole, used as a target for distance measurement using, for example, a total station. ... used for surveying and building construction...  to measure both vertical and horizontal angles and the slope distance from the instrument to a particular point, and an on-board computer to collect data and perform triangulation calculations.

This monitoring prism... is a 3-dimensional triple mini prism target primarily used for measuring the deflection of buildings.

Example of land surveying in action.

NParks have a similar device, but don't work in the same way though.