Corrected entry: In the scene where the Spinosaurus is chasing Grant and the boy along the giant fence, Grant and the boy think they have escaped by cutting through a small hole in the fence. This fence is actually a double fence, the first part appears to be made from two in steel cables and forms a mesh fence. The second part of the fence appears to be made from 10-12 inch steel tubing. After Grant and the boy escape through the hole the Spinosaurus back up, charges the fence and crashes through with ease. Grant and the rest of the survivors then dash into a nearby building and slam the door. They then lock the door with 3 sliding dead bolts about 2 inches thick. When the Spinosaurus pushes against the door, it's unable to break through the 2 inch deadbolts.
David Mercier
27th Aug 2001
Jurassic Park III (2001)
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Correction: When it breaks through the fence, it can get the whole weight of its body behind it. If you look you can see it almost hits it with its shoulder in order to break it down. When it comes to the door, because of its low height it can only use its legs or possibly its head. Therefore it cannot put nearly as much force behind its hit on the door. We also have to consider the possibility that it broke bones or something when it smashed through the fence, so might not be up to the task.
David Mercier