With our extensive experience in underpinning, lifting heavy objects, structures has become a day to day occurrence for us. The heaviest non structure single object we have lifted was a 300 tonne electric arc furnace. The picture is taken after we had just lifted a fifty metre span viaduct section of Bangkok metro.  As part of the new Memorial bridge construction works in Thailand we lifted and moved the old bridge to meet the road realignments to suit the constructed approach roads.
In ancient Egypt they used stone jars to reduce overburden pressures on foundations and prevent the temples near the river Nile from settlement. Well take a closer look at the picture to the right Try below
	Yes they are stone jars and the system works, well the two thousand visitors who pass by here every day haven't noticed yet.  We have actually renovated our own office this way using five layers of empty bottles.
In our engineering page  we mentioned old structures. This one is very old, dated around 1800's built mostly of timber and supported on timber piles we lifted it, refurbished it and restored it to its former glory. It is one of the Wat's in Bangkok and a major tourist attraction.
Timber structures are quite forgiving as they can stand differential settlements of the order of 1:50.  They will creak and grown but will survive. Not much can be said about this building, settlement and differential settlement led to the collapse of the first floor.  There was another 30 units like this one!
	The "V" in the slab to the right shows the amount of settlement the building suffered.  It took around five weeks to lift the building.  The slowness was mainly due to the balancing of the structure while lifting the building.
Just to think above where we are working was over 10 million dollars! Locked up though in a bank vault.  Again it was a settlement problem that required us to raise the building to new heights.  The column, a 1200 by 600 mm. (4' by  2') heavily reinforced high strength concrete was cut some thirty numbers lifted 270 mm  (11") every third night, and temporarily cast back. The building was occupied all the time except during the lifting.  The only noticeable difference to the building was the extra step placed at the entrance to the building.

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