Pre-Purchase Survey


This office prides itself with the level of attention given to customers and the quality of our comprehensive survey reports with easy to understand recommendation categories. We regularly travel nationally and internationally to inspect vessels ranging from 6m RIBs to 60m Superyachts, barges and workboats.

Our pre-purchase surveys can be tailored to meet your requirements and budget by negotiation and can be divided into the following categories (please click on each tab for more information):

Limited Outer Bottom

A limited outer bottom survey often undertaken when osmosis has set into the GRP, corrosion is evident or electrolysis is suspected, to name a few scenarios, will involve a thorough external inspection of the vessel where accessible and includes the following items:

GRP Hull:- Inspection of fibreglass laminate, internal structure, bulkheads and bonding. Investigation for the effects osmosis including moisture measurements. Topside condition and damage appraisal. Assessment of existing repairs.

Steel Hull:- Ultrasonic thickness measurement of plating. Inspection for corrosion, distortion of plating, integrity of welding and existing repairs and of painted protection systems. Assessment of anode protection and accessibility for maintenance.

Aluminium Hull:- Ultrasonic thickness measurement of plating. Inspection for general or local corrosion and fatigue. Insulation from sources of electrolytic corrosion. Distortion of plating and integrity of welds.

Timber Hull:- Inspection for rot and decay of planking and internal timbers, and for worm attack. Condition of fasteners caulking. Integrity of glued systems. Assessment of previous repairs and maintenance and ventilation of hull spaces. Condition of paint system.

Deck and Superstructure:- Structural assessment including integrity of core construction, hull-to-deck joint security, condition and protection. Condition of surface coatings and teak decking. Inspection of structure in way of reinforcements such as mast step, chainplates, winches and windlasses. Inspection of ground tackle and mooring arrangement.

Multihulls:- Structural connection of hulls, beams and bridgedeck structures inspected.

Hull Openings and Fittings:- Inspection for electrolytic corrosion of underwater fittings.

Cathodic Protection:- Electrical continuity check between anodes, stern gear, skin fittings and underwater attachments.

Keel:- Inspection for signs of movement, damage to hull through grounding. Inspection of keel for distortion and corrosion.

Stern Gear:- Assess condition of propellers, shafts, stern glands and bearings. Appraisal of shaft support and rotation.

Steering Gear:- Condition of rudders, stocks and bearings. Inspection of bow and stern thrusters, trim tabs and stabilisers.

The Report:- The written report will detail the condition of all items inspected, with suggestions and recommendations featured within the body of the report adjacent to the corresponding items and summarised at the end of the report for clarity.

Structural

A structural survey comprises a thorough inspection of the vessel internally and externally where accessible and includes the following structural and operational items:

GRP Hull:- Inspection of fibreglass laminate, internal structure, bulkheads and bonding. Investigation for the effects of osmosis including moisture measurements. Topside condition and damage appraisal. Assessment of existing repairs.

Steel Hull:- Ultrasonic thickness measurement of plating. Inspection for corrosion, distortion of plating and frames, integrity of welding and existing repairs and of painted protection systems. Assessment of anode protection, internal structure and accessibility for maintenance.

Aluminium Hull:- Ultrasonic thickness measurement of plating. Inspection for general or local corrosion and fatigue. Insulation from sources of electrolytic corrosion. Distortion of plating and integrity of welds.

Timber Hull:- Inspection for rot and decay of planking and internal timbers, and for worm attack. Condition of fasteners caulking and metal framing. Integrity of glued systems. Assessment of previous repairs and maintenance and ventilation of hull spaces. Condition of paint system.

Deck and Superstructure:- Structural assessment including integrity of core construction, hull-to-deck joint security, condition and protection. Condition of surface coatings and teak decking. Inspection of structure in way of reinforcements such as mast step, chainplates, winches and windlasses. Inspection of ground tackle and mooring arrangement.

Multihulls:- Structural connection of hulls, beams and bridgedeck structures inspected.

Hull Openings and Fittings:- Inspection for electrolytic corrosion of underwater fittings and stern gear.

Cathodic Protection:- Electrical continuity check between anodes, stern gear, skin fittings and underwater attachments, including bonding of the engine(s) across shaft coupling(s).

Keel:- Inspection for signs of movement, damage to hull and internal structure through grounding. Inspection of keel attachments and lifting keel mechanisms.

Stern Gear:- Assess condition of propellers, shafts, stern glands and bearings. Appraisal of shaft support and rotation.

Steering Gear:- Condition of rudders, stocks, bearings and mechanism. Inspection of bow and stern thrusters, trim tabs and stabilisers.

Masts and Rigging:- Rigging and terminals inspected for damage and corrosion from deck level. Inspection of running rigging. By prior arrangement masts may be climbed for inspection of section, rigging attachment points and spreaders.

Sails:- Sails inspected for wear and damage. Sacrificial ultraviolet strip condition assessed. Furling systems inspected. Covers, awnings and spray hoods inspected.

Deck Fittings:- Security and attachment of loaded fittings. Integrity of chainplates and surrounding structure. Security of guard rails. Condition of winches and jammers. Integrity of windows and hatches.

Hatches, Windows and Portlights:- Inspection of hatches, windows and portlights for security, watertightness, suitability for escape and condition.

Mechanical Installation:- Inspection of engine installations, lubricants, cooling and control systems. Inspection of hoses for suitability, integrity and fluid-tightness. Assessment of exhaust systems with particular consideration towards likelihood of back-flooding.

The Report:- The written report will detail the condition of all items inspected, with suggestions and recommendations featured within the body of the report adjacent to the corresponding items and summarised at the end of the report for clarity.

Valuation:- During our structural survey we can conduct further inspections to establish the condition of the entire vessel in order to produce a fair and accurate valuation. Please note that we offer a valuation free of charge if required with a Full Condition survey.

Insurance

An insurance survey is completed with insurers in mind, costing you less than a full condition survey, but enough detail to keep any insurance company happy with a thorough inspection of the vessel and equipment internally and externally where accessible and includes the following structural and operational items:

GRP Hull:- Inspection of fibreglass laminate, internal structure, bulkheads and bonding. Investigation for the effects of osmosis including moisture measurements. Topside condition and damage appraisal. Assessment of existing repairs.

Steel Hull:- Ultrasonic thickness measurement of plating. Inspection for corrosion, distortion of plating and frames, integrity of welding and existing repairs and of painted protection systems. Assessment of anode protection, internal structure and accessibility for maintenance.

Aluminium Hull:- Ultrasonic thickness measurement of plating. Inspection for general or local corrosion and fatigue. Insulation from sources of electrolytic corrosion. Distortion of plating and integrity of welds.

Timber Hull:- Inspection for rot and decay of planking and internal timbers, and for worm attack. Condition of fasteners caulking and metal framing. Integrity of glued systems. Assessment of previous repairs and maintenance and ventilation of hull spaces. Condition of paint system.

Deck and Superstructure:- Structural assessment including integrity of core construction, hull-to-deck joint security, condition and protection. Condition of surface coatings and teak decking. Inspection of structure in way of reinforcements such as mast step, chainplates, winches and windlasses. Inspection of ground tackle and mooring arrangement.

Multihulls:- Structural connection of hulls, beams and bridgedeck structures inspected.

Hull Openings and Fittings:- Inspection for electrolytic corrosion of underwater fittings and stern gear.

Cathodic Protection:- Electrical continuity check between anodes, stern gear, skin fittings and underwater attachments, including bonding of the engine(s) across shaft coupling(s).

Keel:- Inspection for signs of movement, damage to hull and internal structure through grounding. Inspection of keel attachments and lifting keel mechanisms.

Stern Gear:- Assess condition of propellers, shafts, stern glands and bearings. Appraisal of shaft support and rotation.

Steering Gear:- Condition of rudders, stocks, bearings and mechanism. Inspection of bow and stern thrusters, trim tabs and stabilisers.

Masts and Rigging:- Rigging and terminals inspected for damage and corrosion from deck level. Inspection of running rigging. By prior arrangement masts may be climbed for inspection of section, rigging attachment points and spreaders.

Sails:- Sails inspected for wear and damage. Sacrificial ultraviolet strip condition assessed. Furling systems inspected. Covers, awnings and spray hoods inspected.

Deck Fittings:- Security and attachment of loaded fittings. Integrity of chainplates and surrounding structure. Security of guard rails. Condition of winches and jammers. Integrity of windows and hatches.

Hatches, Windows and Portlights:- Inspection of hatches, windows and portlights for security, watertightness, suitability for escape and condition.

Mechanical Installation:- Inspection of engine installations, lubricants, cooling and control systems. Inspection of hoses for suitability, integrity and fluid-tightness. Assessment of exhaust systems with particular consideration towards likelihood of back-flooding.

Electrical Installation:- Inspection of electrical installations and cabling, battery arrangements and isolation.

Fuel and Fresh Water Installations:- Inspection of tanks (within limitations), pipes and hoses and skin fittings for suitability, corrosion and leaks.

Bilge and Sewage Pumping installations:- Inspection and testing of bilge pumps. Assessment of grey water and holding tank installations, pipe work and skin fittings.

Navigation Equipment:- Assessment of suitability of navigation and communication instrument installations.

Gas and Domestic Installations:- Assessment of gas installation, ventilation and integrity of hoses and pipes. Inspection of cooking and domestic equipment, water heating and cabin heating / air conditioning unit installations.

Lifesaving Appliances:- Suitability and adequacy of range of lifesaving appliances and their installation. Assessment of firefighting equipment installation and suitability.

The Report:- The written report will detail the condition of all items inspected, with suggestions and recommendations featured within the body of the report adjacent to the corresponding items and summarised at the end of the report for clarity.

Valuation:- We offer a valuation for the purposes of insurance for a small additional fee with an insurance survey. This covers our additional inspections necessary to establish the condition of the entire vessel in order to produce a fair and accurate valuation.

Full Condition

A full condition survey is designed to give you peace of mind by discovering any underlying issues with a thorough inspection of the vessel internally and externally where accessible and includes the following main items:

GRP Hull:- Inspection of fibreglass laminate, internal structure, bulkheads and bonding. Investigation for the effects of osmosis including moisture measurements. Topside condition and damage appraisal. Assessment of existing repairs.

Steel Hull:- Ultrasonic thickness measurement of plating. Inspection for corrosion, distortion of plating and frames, integrity of welding and existing repairs and of painted protection systems. Assessment of anode protection, internal structure and accessibility for maintenance.

Aluminium Hull:- Ultrasonic thickness measurement of plating. Inspection for general or local corrosion and fatigue. Insulation from sources of electrolytic corrosion. Distortion of plating and integrity of welds.

Timber Hull:- Inspection for rot and decay of planking and internal timbers, and for worm attack. Condition of fasteners caulking and metal framing. Integrity of glued systems. Assessment of previous repairs and maintenance and ventilation of hull spaces. Condition of paint system.

Deck and Superstructure:- Structural assessment including integrity of core construction, hull-to-deck joint security, condition and protection. Condition of surface coatings and teak decking. Inspection of structure in way of reinforcements such as mast step, chainplates, winches and windlasses. Inspection of ground tackle and mooring arrangement.

Multihulls:- Structural connection of hulls, beams and bridgedeck structures inspected.

Hull Openings and Fittings:- Inspection for electrolytic corrosion and suitability of underwater fittings and stern gear.

Cathodic Protection:- Electrical continuity check between anodes, stern gear, skin fittings and underwater attachments, including bonding of the engine(s) across shaft coupling(s).

Keel:- Inspection for signs of movement, damage to hull and internal structure through grounding. Inspection of keel attachments and lifting keel mechanisms.

Stern Gear:- Assess condition of propellers, shafts, stern glands and bearings. Appraisal of shaft support and rotation.

Steering Gear:- Condition of rudders, stocks, bearings and mechanism. Inspection of bow and stern thrusters, trim tabs and stabilisers.

Masts and Rigging:- Rigging and terminals inspected for damage and corrosion from deck level. Inspection of running rigging. By prior arrangement masts may be climbed for inspection of section, rigging attachment points and spreaders.

Sails:- Sails inspected for wear and damage. Sacrificial ultraviolet strip condition assessed. Furling systems inspected. Covers, awnings and spray hoods inspected.

Deck Fittings:- Security and attachment of loaded fittings. Integrity of chainplates and surrounding structure. Security of guard rails. Condition of winches and jammers. Integrity of windows and hatches.

Hatches, Windows and Portlights:- Inspection of hatches, windows and portlights for security, watertightness, suitability for escape and condition.

Mechanical Installation:- Inspection of engine installations, lubricants, cooling and control systems. Inspection of hoses for suitability, integrity and fluid-tightness. Assessment of exhaust systems with particular consideration towards likelihood of back-flooding.

Electrical Installation:- Inspection of electrical installations and cabling, battery arrangements and isolation.

Fuel and Fresh Water Installations:- Inspection of tanks (within limitations), pipes and hoses and skin fittings for suitability, corrosion and leaks.

Bilge and Sewage Pumping installations:- Inspection and testing of bilge pumps. Assessment of grey water and holding tank installations, pipe work and skin fittings.

Interior Joinery and Fittings:- Inspection of bonding and security of interior modules, cosmetic appearance of linings, furnishings and upholstery. Assess ventilation of stowages, accommodation and machinery spaces.

Navigation Equipment:- Assessment of suitability of navigation and communication instrument installations.

Gas and Domestic Installations:- Assessment of gas installation, ventilation and integrity of hoses and pipes. Inspection of cooking and domestic equipment, water heating and cabin heating / air conditioning unit installations.

Lifesaving Appliances:- Suitability and adequacy of range of lifesaving appliances and their installation. Assessment of firefighting equipment installation and suitability.

The Report:- The written report will detail the condition of all items inspected, with suggestions and recommendations featured within the body of the report adjacent to the corresponding items and listed additionally at the end of the report for clarity.

Valuation:- A 'Certificate of Valuation' will be produced if requested. Please note that we usually only offer a valuation with a full condition survey as the condition of the entire vessel needs to be established in order to produce a fair and accurate valuation. However, we can produce a valuation for finance purposes for a small additional fee with our services.

Pre-Purchase Sea Trial

Our sea trial service includes testing all operation equipment and functions installed onboard the vessel.

This will include the engine(s) throughout their rev range, testing of navigation equipment, trim tabs, windlass, engine-heated calorifier and other operational equipment and inspection of engine and gearbox lubricants, coolant and hose integrity.

Monitoring of engine and engine compartment temperature and measurement of the maximum shaft revolution speed (where access and installation permit), which is used to calculate the actual revs achieved by the engine.

We offer this service both separately and in conjunction with our other surveys for a small fee.

Please do not hesitate to contact our office on +44 (0) 2380 207938 or info@marine-surveying.co.uk to arrange your sea trial. Alternatively, please click here to submit an enquiry online.
In association with the following organisations :-
2 Marine Surveying Society UK Maritime & Coastguard Agency 4 5
For further information please contact our office:
Telephone: +44 (0)2380 333307 
Mobile: +44 (0)7747 014547
or +44 (0)7917 165740

Email: info@marine-surveying.co.uk
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26-27 Shamrock Way, Hythe Marina, Southampton, Hampshire, SO45 6DY, UK
VAT registered number 794 9899 26, Registered in England number 5207110
Registered office: 36A Station Road, New Milton, Hampshire, BH256JX
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