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Exhibit 10.15
 Hunter Acquisition/
Orion Marine Group
 Subsidiary Incentive Plan (SIP) Document  Tier 2
Fiscal Year 2006
 I. Objectives
 1.
    
    To provide incentive to Orions Subsidiary Management Teams to grow
the overall business of Orion and their respective subsidiaries in a
profitable manner.2.
    
    To financially reward employees for achievement of corporate,
subsidiary, and individual goals.3.
    
    To provide competitive cash compensation when plan results are
achieved, and exceed market norms when superior results occur.
 II. Eligibility
 4.
    
    Eligibility for the SIP-Tier 2 includes senior management and
business development staff of Orions subsidiaries.
 III. Incentive Determination
 5.
    
    Each Participant will have a target incentive bonus equal to from
30% to 50% of annual base salary. The incentive bonus available to
Participants is dependent on the following four standard elements:
 
    
    30% of Bonus  Overall Orion Marine Group Financial Performance
relative to plan;
    
    35%-45% of Bonus  Subsidiary Financial Performance relative to plan;
    
    15%-20% of Bonus  Individual Goals established by the President or
CEO of Orion Marine Group; and
    
    10%-20% of Bonus  Subsidiary Safety Performance.
 The percentages for Subsidiary Financial Performance, Individual Goals and
Subsidiary Safety Performance may be adjusted for an individual Participant at
the discretion of the President or CEO of Orion Marine Group.6.
    
    The Individual Goals element for each Participant will be
established at the discretion of the Orion Marine Groups CEO, President and
Sr. Management Team. Objectives may include safety record, a business




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units operating, financial, and sales growth results, performance
improvement, and other specific items.7.
    
    Determination of achievement of goals shall be at the sole and
absolute discretion of the SIP Administrator.
 VI. Award Allocation
 8.
    
    Earned awards are payable only if a SIP Participant is an employee
in good standing. Good standing means that, at the time of payout, an
employee:
 a)
    
    has not resigned,b)
    
    has not indicated an intention to resign,c)
    
    has not been notified that their employment has been
terminated,d)
    
    is not on a performance improvement program.
 9.
    
    If an employee terminates prior to the fiscal years close because
of death or disability, SIP awards will be prorated for the year.
 VII. Timing and Payout Form
 10.
    
    Incentive awards will be calculated and are payable as soon as
practical following the close of the fiscal year. Awards will be
paid as ordinary income and will be subject to payroll tax withholding.
 IV. Plan Administration
 11.
    
    The SIP Administrator will be a committee appointed by Orions
Senior Management Team.12.
    
    The SIP Administrator will approve annually developed performance
measures, performance standards, and award levels.13.
    
    The SIP Administrator will approve all finalized award payments
before submission to payroll.14.
    
    The SIP Administrator will have all authority to approve
continuation, modification or elimination of the Plan based upon a review of
actual results.