A Guide to Ship Repair Estimates in Man-hours

Don Butler is a fellow of the Institute of Marine Engineers and a member of Society of Consulting Marine Engineers and Ship Surveyors, UK.

Dry-docking works: Berth preparation; Shifting of blocks after docking vessel; Docking and undocking; Dock rent per day; Dock services; Hull preparation; Hull painting; Rudder works; Propeller; Tailshaft. Steel Works: Hull steel repairs. Pipe works: Pipe work renewals in schedule 40 steel; Pipe work renewals in schedule 80 steel; Pipe work renewals in copper; Hot dip galvanising after manufacture. Mechanical works: Overhauling diesel engines; Top overhaul; Cylinder covers; Cylinder liners; Bearing survey; Crankshaft deflections & crankcase doors; Four stroke, Trunk type, Main engines; Gear boxes of Medium speed engines; Overhauling valves: line valves, pressure valves; Main condenser; Main steam Turbines; Flexible coupling; Auxiliary Steam Turbines; Turbo Alternator; Feed Pumps; Oil Tanker Cargo Pump; Air Compressors; Air Receivers; Pumps; Boilers. Electrical Works: Insulation resistance tests; Electric motors; Electric generators; Switchboard; Running and installing electric cables; Installing junction boxes; Running and installing cable conduit. General works: Tank cleaning; Removal of tank manhole cover for access and refitting with new cover joint; pumping out of bilge water or slops into shore facility per tonne; Hand cleaning of bilge areas or inside tanks per square metre; Hand scraping of internal steel areas per square metre; Tank testing by low pressure compressed air; Tank testing by filling with sea water.