Investigation uncovers widespread leaks on new 520 pontoons

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A damp wall is seen inside the pontoon
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  • Water sits inside the pontoon
  • Poor patching of the wall allows water to leak in
  • A damp wall is seen inside the pontoon
  • Water sits inside another pontoon
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A damp wall is seen inside the pontoon
A KOMO 4 Problem Solver investigation has uncovered evidence of widespread leaks and cracks in pontoons destined for the new $4.6 billion 520 bridge.