UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	November 9, 2006 2:00 P.M.

Form:	S-4
CIK: 0001310817 Company Name: Aldabra Acquisition CORP File Number: 333-136861
CIK: 0001372020 Company Name: Great Lakes Dredge & Dock Holdings Corp. File Number: 333-136861-01