PRE PURCHASE MECHANICAL INSPECTIONS

 

A pre-purchase mechanical survey is a thorough inspection of the vessel’s main engines, transmissions, generator and supporting system’s installations, and operating condition, as well as performance. A comprehensive report is issued which includes an equipment list, specifications and detailed list of deficiencies and recommendations.  Most lending institutions and insurance companies require a pre-purchase mechanical survey.

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Although a particular vessel may have a well-documented history of use and maintenance, it is in the best interests of the client that the findings of the surveyor result specifically from its current state. This survey is therefore based solely on a careful inspection of all accessible mechanical componants.

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Ashore with full access to the underwater body. All areas of the under water body, side shells and deck/coach roof are inspected by "sounding" and testing with a moisture meter to determine the structural integrity of the vessel. The keel, rudder, hull penetrations, and propulsion components are evaluated. Electrical systems and electronics are tested. However, some testing of systems and verification of certain components, such as sea valves, stuffing boxes, and steering systems can only be done while afloat under operational conditions.

Afloat with all tanks filled and all systems operating. Propulsion machinery is operated, but in a static mode only and not under load. The integrity of sea valves and hull penetrations can be verified. Certain auxiliary systems can also be run, but only to a limited extent.

Sea trial underway with all machinery and systems operating. Sea trials are at the request of the client with the vessel operated by the owner or the owner's authorized agent. Propulsion machinery is operated under load and all systems and components can be tested under actual sea conditions. Generally, the following activities take place:

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• Engine Instrumentation & controls checks

• Engine block & exhaust temperature measurements

• Engine exhaust system integrity evaluation

• Full power trials or W.O.T.

• Operation of stabilizers and/or any hydraulics that are pump driven.

• Demonstration of electrical system(s)

• Demonstration of bilge pumping system(s)

• AC power generation, running and loaded with items onboard.

• inspection of all supporting components ie. hoses, mounts, helm, gauges and controls.

• fuel system, fuel water separators and hoses.

• prop shaft and shaft seals, propeller and cutlas bearings.

• engine bay fire suppression systems.