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Launch Slab with 4" curb and backstop
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Box Shield placed on launch slab prior to box construction
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Casting the walls and roof of box
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Shield entering ground during the beginning of jacking operations
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1st half of a 135' Box being jacked under active expressway
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Jacks moving the box at the beginning of jacking operations
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Box sliding through headwall into ground
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Cat 933 driving into box to muck
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Extending Thrust Columns after a sequence of jacking
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14'x12' box after being jacked into final position
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Hole Through of the box (the light at the end of the tunnel)
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Photo of another BEC Box Jacking project consisting of a double 12'x10' box
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