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Contractor Licensing · 3.7

Louisiana Contractor Wharves, Docks, Harbor Improvements, and Terminals Trade Examination Practice Test

Wharf, dock, harbor-improvement, and terminal construction involves structures and work areas exposed to water, vessel activity, heavy equipment, and changing shoreline conditions. Practice topics include berth protection, pile-cap concrete placement, revetment filters, terminal access, crane setup, fire-water systems, runoff control, fall protection, and site layout.

Exam overview

Exam providerLouisiana State Licensing Board for Contractors
Exam code3.7
CategoryContractor Licensing

About the Louisiana Contractor Wharves, Docks, Harbor Improvements, and Term… Exam

The questions sample decisions that connect marine construction methods with safe, functional terminal operations. Structural work includes understanding how dolphins protect berths and how concrete consolidation around reinforcing steel supports pile-cap construction. Shoreline protection involves the relationship between graded filter layers and armor stone. Field planning also calls for evaluating crane position and load risks near a wharf edge, maintaining emergency-vehicle access, and controlling sediment runoff during barge unloading. Other scenarios address worker flotation after a fall into water, safe ladder access to dock platforms, commissioning a terminal fire-water pump, and establishing benchmarks and control points for pavement layout. Together, these subjects call for applying construction judgment to structural details, equipment hazards, environmental protection, life safety, and terminal readiness.

Sample Practice Questions

Review a selection from this exam's published US Practice Tests practice bank.

Question 1

Why are dolphins commonly installed near a marine berth?

  1. ATo provide isolated structures for mooring or guiding vessels
  2. BTo improve the bearing capacity of the entire shoreline
  3. CTo remove sediment from the navigation channel
  4. DTo support the roof of a terminal building
Show answerCorrect answer: A

Dolphins are separate marine structures used for functions such as mooring vessels or helping guide them during berthing, depending on their design and location.

Question 2

During concrete placement for a pile cap, what is a primary purpose of properly consolidating the concrete around reinforcing steel?

  1. ATo increase the concrete's water content after placement
  2. BTo remove entrapped air and help concrete fill around reinforcement
  3. CTo make the reinforcing steel unnecessary
  4. DTo accelerate curing by heating the concrete
Show answerCorrect answer: B

Appropriate consolidation reduces voids and promotes contact between concrete and reinforcement. It must be done without causing segregation or disturbing the formwork and steel.

Question 3

When placing a rock revetment to protect a shoreline, why is a properly graded filter layer commonly installed beneath the armor stone?

  1. ATo keep underlying soil from washing through the voids in the armor layer
  2. BTo make the armor stone float during high water
  3. CTo prevent all wave run-up
  4. DTo reduce the need to key or terminate the revetment
Show answerCorrect answer: A

A filter layer retains the underlying soil while allowing water to pass, reducing loss of fine material through the larger voids in the armor layer and helping prevent undermining.

Question 4

What is the purpose of maintaining a clear, unobstructed access route for emergency vehicles at a marine terminal?

  1. ATo provide dependable access for emergency response and evacuation needs
  2. BTo increase the allowable storage height for cargo
  3. CTo replace routine inspection of fire protection systems
  4. DTo limit access to maintenance personnel only
Show answerCorrect answer: A

Clear emergency access supports response to fires, injuries, spills, and other incidents. The route should be maintained in accordance with applicable site plans and requirements.

Question 5

When a crane is set up near a wharf edge, which consideration is essential before lifting a heavy load?

  1. AWhether the supporting surface and structure can safely carry the crane's imposed loads
  2. BWhether the crane's paint color matches the wharf
  3. CWhether the load can be moved without a signal person in every situation
  4. DWhether the crane is positioned as close to the edge as possible
Show answerCorrect answer: A

Crane setup loads can be substantial and concentrated. The ground, deck, and supporting structure must be evaluated for capacity, including applicable outrigger or track loads, before operations proceed.

Question 6

What is the primary purpose of a commissioning check for a newly installed terminal fire-water pump system?

  1. ATo verify that the system operates as intended under the specified test conditions
  2. BTo determine whether nearby pavement needs a surface seal
  3. CTo measure the harbor’s seasonal water-level range
  4. DTo establish the final location of property boundaries
Show answerCorrect answer: A

Commissioning checks provide evidence that installed equipment and systems function in accordance with design and project requirements before they are accepted for service.

Question 7

A contractor is unloading bulk aggregate from a barge near a shoreline. Which action best helps prevent sediment-laden runoff from entering the water?

  1. AKeep the material contained and manage runoff using the project’s erosion-control measures
  2. BWash the aggregate directly into the water to remove fines
  3. CPlace the stockpile on an unprotected slope leading to the shoreline
  4. DRoute all drainage from the stockpile into the nearest waterway
Show answerCorrect answer: A

Containing stockpiled material and controlling runoff reduces the transport of sediment into adjacent waters. The specific controls should follow project requirements and applicable permits.

How to use this practice test

Access the free question bank for this exam and work through a session of up to 20 randomly selected questions. Results appear after the session, giving you a chance to identify which marine-construction decisions need further review. Use missed questions to revisit the underlying field principle, such as berth protection, runoff control, or safe access.

Preparation tips

  • Compare the functions of berth dolphins, pile caps, armor stone, and graded filter layers in protecting marine structures and shorelines.
  • For crane scenarios near a wharf, assess ground or support conditions, edge proximity, load path, and work-area hazards before a lift.
  • Review controls that limit sediment-laden runoff during material handling near water, including how exposed aggregate and drainage paths can affect receiving waters.
  • Distinguish fall-prevention measures from personal flotation protection for work over water, and check safe ladder access to dock platforms.
  • Practice reading benchmarks and control points as references for establishing terminal pavement alignment and elevation.
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