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Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the use in this Amendment No. 1 to Registration Statement No. 333-143888 of our report dated March 19, 2007 relating to the financial statements of Great Lakes Dredge & Dock Corporation (formerly GLDD Acquisitions Corp.), appearing in the Prospectus, which is part of such Registration Statement, and to the reference to us under the heading "Experts" in such Prospectus.

/s/ Deloitte & Touche LLP

Chicago, Illinois
July 20, 2007

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Exhibit 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM