marine contractor insurance

Marine Contractor Insurance Challenges on Multi-Phase Dock and Pier Projects

marine contractor insurance

Marine Contractor Insurance Challenges on Multi-Phase Dock and Pier Projects

March 5, 2026

Dock and pier construction projects unfold across multiple phases, each with different site conditions, equipment needs, and crew configurations. As construction progresses, exposures can shift, affecting marine contractor insurance.

For insurance agents working with marine contractors, the changes that occur with multi-phase dock and pier projects require careful attention. Coverage that fits the early stages of a project may not adequately address later phases involving heavier equipment, additional subcontractors, or increased project values.

Complex Projects Increase Liability Exposure

Multi-phase dock and pier projects introduce several layers of liability risk. As construction expands and the docks construction market grows, contractors may face increased exposure to third-party property damage, worker safety incidents, and environmental hazards.

For example, a project’s early phases may focus on demolition or site preparation, which carry relatively limited equipment exposure. Later phases might involve heavy crane operations, pile driving, or barge-supported construction. Each stage presents different risks that can affect coverage needs.

Agents should review policies such as general liability, ship repairers legal liability, and pollution liability to ensure they remain appropriate throughout the project timeline.

Look for possible danger zones when it comes to the liability associated with docks and piers. For instance, a crane introduced during phase two may create lifting hazards and operational exposures that were not present in phase one. If coverage limits or policy endorsements have not been updated, the contractor may face gaps in protection.

To avoid these issues, agents should schedule coverage reviews before each new construction phase begins.

Equipment and Crew Risks Require Review

Dock and pier projects rely on specialized marine construction equipment. Cranes, lifts, barges, and pile-driving tools often operate simultaneously alongside multiple crew teams.

As project phases change, contractors may add subcontractors, increase crew sizes, or introduce additional equipment. Each adjustment can alter the contractor’s risk profile.

Insurance programs must account for these changes. Coverage areas such as workers’ compensation, Jones Act coverage, maritime employers liability (MEL), United States Longshore and Harbor Workers’ Compensation Act (USL&H), and mobile equipment coverage should reflect the equipment and personnel actively working on the site.

For instance, a contractor may bring in additional barges or subcontractor crews during later phases to accelerate project timelines. These additions can increase both liability exposure and operational complexity. Agents who regularly review project logistics can help make sure that policy limits, endorsements, and premiums align with the contractor’s evolving operations.

Property and Project Value Adjustments

Property values for dock and pier projects often fluctuate throughout construction. Materials, partially completed structures, and specialized equipment may accumulate on site as work progresses. These shifts create changing property exposures that require careful evaluation.

Coverage such as business property, structures and buildings, inventory, mobile equipment, and builders risk insurance should reflect the project’s highest potential value during each phase.

One problematic scenario involves material deliveries. For example, phase three of a project might require high-value piling materials or structural components that were not included in earlier insurance estimates.

If policy limits do not account for these increases, contractors may face underinsurance in the event of property damage or loss. Agents can help mitigate this risk by evaluating peak exposure levels rather than relying on average project values.

Confirm Coverage Across All Project Phases

Multi-phase dock and pier projects create a moving target for risk management. As equipment, crews, and materials change from phase to phase, both liability exposures and property values evolve.

Proactive insurance reviews help ensure coverage keeps pace with these changes. By revisiting policies before each phase begins, agents can protect their clients, reduce the likelihood of coverage gaps, and strengthen their own advisory role.

Merrimac Marine Insurance specializes in marine contractor insurance solutions designed for complex maritime operations. With marine-focused expertise, flexible underwriting, and access to leading carriers, Merrimac helps agents structure coverage that adapts to the realities of phased construction projects.

Agents who want their clients to remain protected throughout every stage of a dock or pier project should review coverage early and often.

About Merrimac Marine Insurance

At Merrimac Marine, we are dedicated to providing insurance for the marine industry to protect your clients’ business and assets. For more information about our products and programs, contact our specialists today at (800) 681-1998.