EXHIBIT 99.02     
 
                         NOTICE OF GUARANTEED DELIVERY
                     
                  FOR TENDER OF ANY AND ALL OUTSTANDING     
              SERIES A 11 1/4% SENIOR SUBORDINATED NOTES DUE 2008
                           
                        (THE "EXISTING NOTES") OF     
 
                     GREAT LAKES DREDGE & DOCK CORPORATION
 
  This Notice of Guaranteed Delivery, or one substantially equivalent to this
form, must be used to accept the Exchange Offer (as defined below) if (i)
certificates for Series A 11 1/4% Senior Subordinate Notes due 2008 (the
"Existing Notes") of Great Lakes Dredge & Dock Corporation are not immediately
available, (ii) Existing Notes, the Letter of Transmittal and all other
required documents cannot be delivered to The Bank of New York (the "Exchange
Agent") on or prior to 5:00 P.M. New York City time, on the Expiration Date
(as defined in the Prospectus referred to below) or (iii) the procedures for
delivery by book-entry transfer cannot be completed on a timely basis. This
Notice of Guaranteed Delivery may be delivered by hand, overnight courier or
mail, or transmitted by facsimile transmission, to the Exchange Agent. See
"The Exchange Offer--Procedures for Tendering Existing Notes" in the
Prospectus. In addition, in order to utilize the guaranteed delivery procedure
to tender Existing Notes pursuant to the Exchange Offer, a completed, signed
and dated Letter of Transmittal relating to the Existing Notes (or facsimile
thereof) must also be received by the Exchange Agent prior to 5:00 P.M. New
York City time, on the Expiration Date. Capitalized terms not defined herein
have the meanings assigned to them in the Prospectus.
 
                 The Exchange Agent For The Exchange Offer Is:
 
                             THE BANK OF NEW YORK
 
    By Registered or             Facsimile               By Hand or Overnight
     Certified Mail            Transmissions:                  Delivery
 
 
                           (Eligible Institutions
  The Bank of New York             Only)                 The Bank of New York
 
 101 Barclay Street, 7E                                   101 Barclay Street
   New York, New York          (212) 571-3080              Corporate Trust
         10286                                             Services Window
 
  Attn: Reorganization      Confirm by Telephone             Ground Level
        Section                (212) 815-6333             New York, New York
                                                                10286
 
                           For Information Call:         Attn: Reorganization
                               (212) 815-6333                  Section
 
  DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS OTHER THAN AS
SET FORTH ABOVE OR TRANSMISSION OF THIS NOTICE OF GUARANTEED DELIVERY VIA
FACSIMILE TO A NUMBER OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A
VALID DELIVERY.
 
  THIS NOTICE OF GUARANTEED DELIVERY IS NOT TO BE USED TO GUARANTEE
SIGNATURES. IF SIGNATURE ON A LETTER OF TRANSMITTAL IS REQUIRED TO BE
GUARANTEED BY AN "ELIGIBLE INSTITUTION" UNDER THE INSTRUCTIONS THERETO, SUCH
SIGNATURE GUARANTEE MUST APPEAR IN THE APPLICABLE SPACE PROVIDED IN THE
SIGNATURE BOX ON THE LETTER OF TRANSMITTAL.
 
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LADIES AND GENTLEMEN:
   
  The undersigned hereby tenders to Great Lakes Dredge & Dock Corporation, a
Delaware Corporation (the "Company") upon the terms and subject to the
conditions set forth in the Prospectus dated      , 1999 (as the same may be
amended or supplemented from time to time, the "Prospectus"), and the related
Letter of Transmittal (which together constitute the "Exchange Offer"),
receipt of which is hereby acknowledged, the aggregate principal amount of
Existing Notes set forth below pursuant to the guaranteed delivery procedures
set forth in the Prospectus under the caption "The Exchange Offer--Procedures
for Tendering Existing Notes."     
 
 ____________________________________________________________________________
                          AGGREGATE PRINCIPAL AMOUNT
 ____________________________________________________________________________
                      NAME(S) OF REGISTERED HOLDER(S):
 Amount Tendered: $__________________________________________________________
 
 Certificate No(s)
 if available): _____________________________________________________________
 : __________________________________________________________________________
      (TOTAL PRINCIPAL AMOUNT REPRESENTED BY EXISTING NOTES CERTIFICATE(S)
 $ __________________________________________________________________________
 If Existing Notes will be tendered by book-entry transfer, provide the
 following information:
 
 DTC Account Number: ________________________________________________________
 
 Date: ______________________________________________________________________
 
 ----------------------------------------------------------------------------
 All authority herein conferred or agreed to be conferred shall survive the
 death or incapacity of the undersigned and every obligation of the
 undersigned hereunder shall be binding upon the heirs personal
 representatives, successors and assigns of the undersigned.
 
 ----------------------------------------------------------------------------
                                PLEASE SIGN HERE
 
 X____________________________________________   ______________________________
 
 X____________________________________________   ______________________________
                                                              DATE
     SIGNATURE(S) OF OWNER(S) OR AUTHORIZED
                 SIGNATORY     
 
 Area Code and Telephone Number: ____________________________________________
 
 Must be signed by the holder(s) of the Existing Notes as their name(s)
 appear(s) on certificates for Existing Notes or on a security position
 listing, or by person(s) authorized to become registered holder(s) by
 endorsement and documents transmitted with this Notice of Guaranteed
 Delivery. If signature is by a trustee, executor, administrator, guardian,
 attorney-in-fact, officer or other person acting in a fiduciary or
 representative capacity, such person must set forth his or her full title
 below.
                     
                  (PLEASE PRINT NAME(S) AND ADDRESS(ES))     
 Name(s):____________________________________________________________________
 ____________________________________________________________________________
 ____________________________________________________________________________
 
 Capacity: __________________________________________________________________
 
 Address(es): _______________________________________________________________
 ____________________________________________________________________________
 ____________________________________________________________________________
 
 
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                                   GUARANTEE
                   (NOT TO BE USED FOR SIGNATURE GUARANTEE)
   
  The undersigned, a firm or other entity identified in Rule 17Ad-15 under the
Securities Exchange Act of 1934, as amended, as an "eligible guarantor
institution," including (as such terms are defined therein): (i) a bank; (ii)
a broker, dealer, municipal securities broker, municipal securities dealer,
government securities broker, government securities dealer; (iii) a credit
union; (v) a national securities exchange, registered securities association
or clearing agency; or (v) a savings association that is a participant in a
Securities Transfer Association recognized program (each of the foregoing
being referred to as an "Eligible Institution"), hereby guarantees to deliver
to the Exchange Agent, at one of its addresses set forth above, either the
Existing Notes tendered hereby in proper form for transfer, or confirmation of
the book-entry transfer of such Existing Notes to the Exchange Agent's account
at The Depository Trust Company ("DTC"), pursuant to the procedures for book-
entry transfer set forth in the Prospectus, in either case together with one
or more properly completed and duly executed Letter(s) or Transmittal (or
facsimile thereof) and any other required documents within five business days
after the date of execution of this Notice of Guaranteed Delivery.     
 
  The undersigned acknowledges that it must deliver the Letter(s) of
Transmittal and the Existing Notes tendered hereby to the Exchange Agent
within the time period set forth above and that failure to do so could result
in a financial loss to the undersigned.
 
______________________________________   ______________________________________
             NAME OF FIRM
 
                                                  AUTHORIZED SIGNATURE
 
______________________________________   ______________________________________
               ADDRESS
 
                                                         TITLE
 
______________________________________   ______________________________________
               ZIP CODE
 
                                                 (PLEASE TYPE OR PRINT)
 
AREA CODE AND TELEPHONE NO. __________   DATED: _______________________________
   
NOTE: DO NOT SEND CERTIFICATES FOR EXISTING NOTES WITH THIS FORM. CERTIFICATES
      FOR EXISTING NOTES SHOULD ONLY BE SENT WITH YOUR LETTER OF TRANSMITTAL.
          
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