Thursday, November 7, 2013

Tanjung Rimau Security Barriers - Some changes and slight improvements

The sky presented itself with a beautiful sunset as I did an update on the security barriers at Tanjung Rimau, Sentosa.
Sunset from Sentosa
How have the security barriers progressed after my last visit in August 2013? Were there improvements done or has situation worsened?
There were only one obvious change made to the line of security barriers at Tg Rimau. The drums chained on the high shore, some of which were broken, were removed.

Let us see the progression of the drums on the high shore since I started documenting this in April 2013.
[Image taken in April 2013]
Here's a picture I took in August, showing where the blue drums starts from the high shore.
Blue drums starts right next to where this photo was taken, furthest on the high shore.
[Image from August 2013]
Here's the picture I took on this trip landwards, showing that the blue drums starts on the rocky - sandy high shore.
Obvious different between the April photo and the photo taken on this trip.
With the drums removed from the high shore, no more sighs of broken drums and contents spilling onto the rocky surfaces.
Wider view of the high shore, where the connecting chains can be seen.
The chains are anchored at the same spot.
This is where the line of drums begins from the shore. The concrete cube is visible in the background.
Start of the line of drums.
I am not sure if the drums are serviced and changed regularly, but when the tides goes out, the organisms (mostly algae and some barnacles) growing on the lower parts of the drums are revealed.
Blue drums resting on the reefy shore when the tides goes out.
Other than the improvements done on the high shore, the rest of the line looks the same as what I saw during my last visit. The concrete cube which the line of drums is attached to is still sitting at the spot while the drums forms a corner.
Concrete cube and drum corner.
Here's an overview video of the security barrier line near the concrete cube is.

As it was an evening trip, I had to move and work fast checking out this barrier line as it is rather difficult to document them when the light goes dim in the sky.

As mentioned in my previous update about the security barriers, there was a tilted buoy along this line of barriers which might have caused the change in the outline of the barriers on this shore. The image taken in August showed the buoy tilted at about 45 degrees to the horizon.
Tilted buoy documented in August.
On this trip, the same buoy is resting on the reef and it looks different. The buoy is almost horizontal on the reef.
The buoy at the same location.
On the reef where the buoy is resting on, it looks pale as though the parts have been scraping the surface.
Buoy on the reef.
Pale surfaces caused by the buoy?
I am assuming that this is the same buoy as the one I saw in August. Some markings have "disappeared" and it is difficult to make comparison.
Markings on the lower part of the buoy - "PCG" and "01"
[Image taken in August]
Image taken on this trip - Barely visible "PCG", missing "01", addition "W-2" markings
The blinking light attached at the tip of the buoy had been removed. And so is the stick with the cross.
Top of buoy, blinking light and cross point present.
[Image taken in August]
Cross point and blinking light missing.
The whole buoy is slowly being encrusted with some parts probably rusting away. This is a view where the blinking light was attached with the solar panels.
Rusting top and encrusted solar panels.
View of the whole buoy.
It was rather "exciting" having a closer look at this buoy as the ferry services to and from Batam make use of the waterway in front of this shore. This means that each time the ferry passes by, large waves generated by the ferry will reach the shore at Tg Rimau. Even at low tide, these large waves are rather strong, especially when I was already standing in just below knee deep water at the buoy. I had to scramble for slightly higher ground on the reef on two occasions, right next the circular structure while I grabbed onto the structure of the buoy.

This video will show how strong the ferry generated waves can be as they head towards the shallow shore.

There was a drum near the buoy that looked rather dented.
Dented drum.
Armed with a GPS device, I marked some coordinates along the security barrier line and tried to map out more accurate points on Google Earth. The purple line shows the rough line of the security barriers with the help of 5 GPS coordinate points. The short red line is the chain from the concrete cube to the drum "corner". The GPS coordinate marking end at the buoy ("Beacon" on the image).
Purple line shows the line of security barriers.
The shore at Tg Rimau is still pretty much alive as the sunsets. I came across many clusters of Tape Seagrass (Enhalus acoroides).
Tape seagrass
The shore area after the start of the barrier was so densely covered with the Hairy green seaweed (Bryopsis sp.) that I have to carefully place my foot so that I do not step on loose pieces of rubble or animals hiding under the seaweeds.
Thick layer of hairy green seaweed on the shore.
Unfortunately, my compact flash card from my DSLR has some problems and I could not extract out the photos. So no critter updates on what I saw during this trip. Hope that I will be able to recover my photos in that card.

Read more about the security barriers at Sentosa (in chronological order):
Security Barriers at Tanjung Rimau, Sentosa [28 April 2013]
Updates on Security Barrier at Tanjung Rimau, Sentosa [10 August 2013]

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