Plug That Leak, update.

Four more panels have been found which have defects exactly similar to “that [which] caused a major leak in the tunnel in September.”

The Turnpike Authority’s consultant, Mr. George Tamaro, says that “the defect that caused the September leak occurred in a portion of the wall when one contractor, Perini Corp., finished work and a second contractor, Modern, began.”

From the article:

When Modern began work on that section, they failed to remove the overflow concrete. As they poured their own concrete, dirt and other debris was compressed against the dried concrete creating a long narrow defect. Over time the non-concrete material washed away, causing the leak.

Tamaro’s investigation discovered Perini had hired an expert in that type of wall construction, and Modern hadn’t.

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