Survey Drawing Requirements

Drawing Name
General Description
Specific items to be shown

General

General Arrangement
General layout of vessel
Should show layout of compartments (with compartment name), walkways, stairs, doorways and hatches, main machinery locations, ventilation, control stations, Watertight bulkheads, deck equipment, tanks, navigation lights and list basic vessel particulars.
Lines Plan
Details of hull shape
Body, profile and plan views of evenly spaced hull sections through each plane (vertical, horizontal and transverse)
Note:
Transverse sections are referred to as stations or frames
Vertical or profile sections are referred to as buttock lines
Horizontal sections are referred to as waterlines
Safety Plan
Details of safety equipment and escape plan
Locations of safety equipment, extinguishers, exit routes and muster stations.

Structure

Bottom and deck plan
Should show all structural items attached to the deck / bottom plating.
Position and description of all bulkheads, girders, transverse and longitudinal frames, beams, girders, stringers etc.
Profiles
Outboard and centreline structural profile
Outboard profiles should detail all structure attached to the side shell, including frames, stringers, bulkheads etc.
Centreline Profile should detail all structure on or passing through the centreline of the vessel. This should include the keel, centreline girders and beams and transverse bulkheads, floors, deck beams etc.
Transverse / Typical Sections, Bulkhead detail
Typical frames and bulkheads detail
Typical (where similar) or all frames and bulkheads. Frames should be titled with an identifying number that corresponds to the position of frames shown on the plan and profile drawings

Machinery

Machinery Foundations
Details of girders for main and auxiliary engines
Girder location, height and construction material, position of engine mounts and bolting arrangement etc.
Shafting and Stern Tube
Shafting and stern tube details
Size and material details for shaft, bearings, seals, couplings, shaft brackets, retaining nuts etc.
Rudders & Steering Gear
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Details of ruder size and construction, rudder stock size and material, rudder tube construction, bearings and seals, emergency steering provisions, main steering gear equipment etc.

Systems

Bilge
Bilge system schematic
Details of bilge pumps capacities and power source, bilge pickups, pipework size and material, valves, drains, overboard discharges / holding tanks etc.
Ballast
Ballast system schematic
Details of ballast pumps and associated pipework including valves, pickups, strainers, ballast tanks etc.
Fire
Fire system schematic
Details of fire pumps (location, capacity and power source), piping size and material, valves, hydrants, hoses, fixed fire systems etc.
Fuel
Fuel system schematic
Details of pipework from fuel tanks to machinery, including piping sizes and material, valves, pumps, spill trays, fuel tanks (including filling and sounding pipe etc.)
Machinery Cooling
Cooling system schematic
Details of engine cooling arrangement
Electrical
Electrical system schematic
Schematic drawing of electrical equipment including wiring, protection devices, batteries,
Other
Any other relevant ship system
Eg: Hydraulic or domestic systems

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