Hello there, i guess some of the members here would have seen some of my images before. However back then i do not have a proper thread for the photos. As such from now on, all photos will be posted and update here. The following images are taken in Singapore, in the South East Asian peninsula. Over here we have a mix of Japanese and European machineries as well as chinese make, which is gaining popularity here due to its low pricing. Lets have some picture viewing!

A Demag CC2800 towers over the Singapore Sports Hub, sporting the worlds largest free standing dome.


A new Potain MDT Tower Crane from Manta Equipment.


Okada Aiyon WAC1000 crushing through the wall of a school compound. Mounted on a Komatsu High Reach, unfortunately i couldn't find out its model.


As mentioned, its unfortunate i couldn't find out the model, but it does seem like a PC350 or PC400





An Isuzu CYZ tipper truck. Such truck is very common in Singapore.


Tiong Woon Crane's Demag AC1300. Behind is Tiong Woon's CC2800.


Tiong Woon Crane's Demag CC2800 during assembly.


The CC2800's massive hook block in contrast with the old stadium (demolished).


KH Foges' JinTai Rotary Rig ejecting Bukit Timah grade Granite rock, with steam due to friction heat during drilling. Such machines are examples of chinese made.


An Isuzu CYZ dumping a load of soil as a Hitachi Zaxis 330 LC waits on.


A Hitachi Zaxis 330LC with grading bucket(am i wrong?)


An example of a Chinese made crane, Tiong Woon Crane's XCMG TWCC55


A disassembled Hitachi Crawler Crane while behind is Ryobi Machinery's IHI CCH800


Another chinese made crane that is more common here, Sany SCC500


I couldn't make out what make this little fella is, but its a rock drill that bore holes to be filled with explosives to blast granite. Behind it is towing a Ingersoll Rand 750 air compressor.


Here is the Mitsubishi Super Great tipper truck, another common fella here.


Here the old meets the new. The truck at the back is a water tank truck.


Here we have the Hitachi Zaxis 330LC laying blasting mats over a layer of top soil. They are blasting away solid granite to expose the top of the cast-in situ piles.


A Yong Mao ST293 (chinese made) tower crane looms as the sun rises in Singapore.


A pair of Terex-Comedil tower cranes stand tall as the sun rises.


The XCMG TWCC55 lifting a section of window facade precast. That's how all public housing apartments are built in Singapore now. They are mostly built with precast sections (you can see a trailer load of precast beams arriving) as it has faster construction pace.


A typical tractor and trailer in Singapore. Tractor is a Mitsubishi Super Great, while the trailer is fabricated by a local company. Notice they are still using tube-type tires, a common sight still here as it is cheaper to replace a tube than a tyre here.


A Hitachi Zaxis 330LC loading an Isuzu CYZ tipper truck


A Hitachi Zaxis 330LC loading a Volvo FMX 370 (D11 engined) tipper truck.

Great pics all around there..very nice.

Updates... More pictures!

A Yong Mao ST293 tower crane towers above the residential blocks as a thunderstorm brews behind.


A pair of Terex-Comedil tower cranes amidst a brewing thunderstorm.



The following was taken when a thunderstorm is about to arrive. hence its kinda grainy and noisy. Nevertheless, enjoy!

Moh Seng Crane's Demag AC160 assembling a Terex-Comedil tower crane. Unfortunately i have no idea of the tower crane's model and capacity. This site will be where my future housing apartment will be. Keeping me excited



The Demag AC160



Assembling the forward part of the jib



Assembling the forward part of the jib



I reckon it takes great balls to sit on a narrow structure, dangling high up in the sky.



Now assembling the counterweights.



Notice the bend in the boom.
























A typical view of the site.



Thanks for viewing again!

Out of curiosity, do you know the reason they are exposing the piles? I assume excavation needs to take place and removal of the old piles is necessary, is this correct? I don't know if this is unusual, but I have not seen that before.

GREAT set of pictures! Thank you for sharing them.

Dan

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1:1 or 1:50, I am still in awe.

Thanks! And i'm glad your curious about the method used. With the following drawings i've done myself, i would like to briefly explain this method based on what i've observed. I'm no civil engineer though and have no civil engineering background. This is based purely on my own observation.

The site itself is a new woodland site. It has no previous building standing on site, hence no piles were removed here. Here is how the construction was generally done.

1) The site is a made up of top soil and a huge area of solid hard Bukit Timah Granite. The brown lines and dots denotes the top soil, the grey bottom is the solid granite.




2) Hydraulic augers move in and drill cast in-situ piles using rock auger and roller-bit rock core buckets due to the granite below.




3) After drilling is done, steel casing (rebar mesh) is lowered into the hole.




4) Concrete is then poured in. The concrete hardens and becomes the pile, hence it's name cast in-situ pile.




5) After all the piles in the area designated for the apartment is done, the top soil is excavated away to expose the tip of the pile. (In the case of this site, there isnt much soil but majority granite. That's why the granite has to be blasted away.)




6) Machines move in and began hammering away the tip-most part of the pile, to expose the wire mesh encased inside.




7) Once done, the tip-most part of the pile is left with just the wire mesh. The rest of the pile lies beneath the surface.




8) Now the base slab has to be cast, before the pillars that support the weight of the building above, can be cast. In order to do so, a rebar reinforcement cage has to be built. This cage will be tied onto the exposed wire mesh of the pile. That is the reason why the tip-most part of the pile has to be exposed.




9) The preform molds are then built around the cage and concrete is poured in, thereby sealing the pile and the basement slab together into one single piece.




10) Once done, the pillars and floors above can then start construction. (This is a rough drawing. Sometimes one huge pillar is supported by up to 4 piles connected by a single base slab. You get the drift? Haha)







I hope this is a clear explanation to all whom are interested. This is based purely from my own observations. As im no civil engineer, i can't declare that all this information is 100% correct, however to my understanding, that's how things are done. =)

You are correct in the pile process you described(am currently studying civil engineering and just completed a foundation class learning the above processes). I beleive you guys are on the ring of fire and have good size earthquakes right? Do you know how deep those piles are? Being on granite, I assume the soil profile is all bedrock at the depth of pile. Seems excessive unless you don't want the building to move. Granted, I do not know everything and I find this process fascinating.

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1:1 or 1:50, I am still in awe.

Updates! Took quite alot of pictures recently. Enjoy! Pictures are shot with 18-105 and 70-300.

Site of upcoming Bukit Panjang Bus Interchange with mall and amenities.



TEG TR300C with large diameter pile Rock Coring Bucket with Roller bit drilling the foundations of the mall.



A brand new XCMG TWR280D fitted with Auger tool spinning off the soil.



A brand new XCMG TWR280D fitted with large diameter drilling bucket.



A beautiful day before the haze hits us hard. Here a Kobelco Crawler Crane stands tall into the beautiful skies of Bukit Panjang.



A brand new XCMG TWR280D drilling the foundations.



A Sany SR250 drilling a contigous pile wall to form a temporary soil retaining system.



A Sany SR250 with bottom cleaning tool emptying its bucket after final drilling is completed.



Here a worker measures the depth of the pile as it has completed drilling.



3 Hydraulic Augers, from left: XCMG TWR280D, TEG TR300C, Jintai SH30, drilling the foundations of the upcoming mall.



2nd day of visiting the site.

Here is the site of the former Bukit Panjang Bus Interchange. It was closed on the 16th of December 2012, to be developed into an air conditioned bus interchange integrated with mall and amenities.



The old interchange have since been razed to the ground. Here a Komatsu PC300LC fitted with an Okada Aiyon Concrete Pulverizer pulverizes concrete of the old interchange.



Trucks then began moving materials needed into the site. Here, a Scania G420 with 3 axle trailer delivers more sheet metal to the site.



The tractor unit, Scania G420



A Sany SY215C excavator is on site to assist the machines.



Then foundations are drilled for the buildings to support onto. Here a TEG TR300C together with Jintai SH30 drills the large diameter pile.


A TEG TR300C together with Jintai SH30 drills the large diameter pile



More drilling with TEG TR300C and Jintai SH30



Drilling continues as workers cross the site.



The rock coring buckets used when drilling encounters hard rock. Here are rock coring buckets fitted with roller bits that is designed for use on rocks with excess hardness of up to maximum 200Mpa.



As the mall has underground basements, a temporary soil retainment wall has to be built. Here a Sany SR250 will drill the piles to form a contigous pile wall that lines up to form a wall that holds back the surround soil.



The Sany SR250 is fitted with an auger currently. Now its emptying it off soil.



The Kelly Bar (long stick you see on the machine) is driven by these powerful hydraulic motors, enough to twist and rip rocks into pieces.



Opps, even machines fall sick too. Here a hydraulic specialist fixes a broken hydraulic hose on the machine.



Far in the distance, another auger machine, the Zoomlion ZR280A-1 is hard at work as well.



At the middle of the site, a Jintai SH30 gets to work. Here it is fitted with a large diameter auger to drill a large diameter pile.



After measuring the exact place to drill, it gets down to work and begins drilling.



Soon after it began drilling, it encountered tough concrete/rock on the surface.



However the rock is no match for the mega machine! Soon it punches through the surface and digs into the earth.



It then empties the soil at one side.



The Jintai SH30 before it began drilling. Lovely machine though its a Chinese made machine.



Sometimes halfway through the drilling, hard granite gets in the way. To get past it, a rock coring bucket is used. Here a solid granite core is emptied out of the bucket. Look at the size of the solid granite.



Once the piles have been drilled, concrete is poured in and set into place. Here a Mitsubishi Super Great concrete mixer arrives to deliver concrete.



Just opposite of the construction site is the construction of the Downtown Line MRT Station (Bukit Panjang Station). Here is a Sennebogen 653 crawler mobile crane.



A concrete pump is on site as well. A brand new Putzmeister mounted on an Isuzu CYH.