This is a detailed inspection focused specifically on the hull and structural components of a vessel. Its main purpose is to assess the condition and integrity of the hull, identify any potential issues, and ensure compliance with safety and regulatory standards.

Here are the key aspects of a hull survey:

Key Components

Visual Inspection:
Comprehensive examination of the hull’s exterior for signs of corrosion, damage, or wear. Inspection of the underwater sections, including the keel, rudder, and propeller.

Thickness Measurement: 
Using ultrasonic thickness gauges to measure the hull’s plate thickness and identify areas of thinning or corrosion.

Structural Integrity Assessment:
Evaluation of structural components such as frames, bulkheads, and stringers for signs of deformation, cracking, or fatigue. Assessment of watertight and weathertight integrity, including doors, hatches, and portholes.

Coating Condition:
Review of the condition of the hull’s anti-fouling and protective coatings, including paint and other surface treatments.

Ballast and Stability Checks:
Inspection of ballast tanks for leaks, corrosion, and structural integrity to ensure stability and safety during operation.

Operational Equipment Review:
Assessment of equipment directly related to the hull, such as mooring systems and fendering.

Damage Assessment:
Investigation of any past damage, repairs, or modifications to determine if they comply with industry standards.

Documentation Review:
Examination of survey reports, maintenance records, and classification society documentation to ensure compliance with safety standards.

Objectives

Risk Identification:
Identify potential risks related to the hull’s condition that could lead to insurance claims or operational issues.

Safety Assurance:
Ensure that the hull meets safety regulations and standards to protect the crew, cargo, and environment.

Maintenance Planning:
Provide insights into necessary repairs or maintenance to prolong the vessel’s lifespan and performance.

Insurance Compliance:
Assist P&I clubs and insurers in evaluating the risk profile of the vessel for underwriting purposes.

A thorough P&I hull survey is vital for ensuring the safety and seaworthiness of a vessel, protecting the interests of owners, insurers, and operators alike.