To prepare the house for a move, all the utilities must be disconnected, which may require the services of a plumber or an electrician. In addition, house movers need at least 10 feet (3 meters) of room around the house for excavation, so dig out any trees or plants that you don't want bulldozed [source: Expert House Movers]. The mover will dig down around the foundation and cut openings in the foundation walls.
Steel beams are inserted into these openings. These beams bear the weight of the house during the move, so it's important that they're sized and placed correctly. Wooden cribs, made out of interlocking wooden posts, also help support the home inside and out. Then home movers place hydraulic jacks under the steel beams; the jacks will provide the movement that will lift the house. You may have seen a hydraulic jack used to prop up the tire of a car, but these jacks are linked to work together. This system is known as a unified hydraulic jacking system because there's a central control for monitoring each jack's performance. Because they're unified, all the jacks rise and lower at the exact same rate, regardless of how much weight each jack is supporting. This allows the home to remain level.
When the house is lifted, sliding beams are placed underneath to pull the home onto special dollies with rubber tires. The dollies are then attached to a truck that will take the house to its new location. This arduous trek can last several days. The truck crawls along while crews of workers travel alongside, lifting wires and mailboxes, and then replacing them after the house has passed. One bright side, though, is that most furniture can remain in the house, and the contents are barely affected. House movers have anecdotes of open soda cans left in a house arriving without spilling a drop [source: Siegal], while sleeping cats have made it to their new destination without waking up [source: Ermann].
When the home arrives at its new location, it's left jacked up until a new foundation is poured. Then the home is lowered, and the utilities that were uninstalled at the old place can be put back in. When all these steps are done correctly, the house has the same structural integrity as when the process started.
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