By Butler, Don (Auth.)
Expert send surveyor Don Butler stocks a lifetime's send fix costing adventure during this exact source for actual expense estimation and planning
- Includes difficult to come back by means of info on commonplace send fix hard work expectancies for exact man-hour forecasting and value estimation
- Produced for marine engineers and marine pros to help with fix specification and negotiation, aiding you to plot paintings and budgets extra reliably
- Uses man-hours rather than specific charges or currencies, offering a long term version for pricing despite situation, expense fluctuation or inflation
Bringing jointly another way scattered information on particular fix and dry-docking actions, this useful advisor will prevent time and enhance the accuracy of your send fix estimates. do not plan or fee paintings with out it!
Don Butler is a fellow of the Institute of Marine Engineers and a member of Society of Consulting Marine Engineers and send Surveyors, UK.
- Made up of very demanding to come back through details on common send fix hard work expectancies for exact man-hour forecasting and price estimation
- Produced for marine engineers and marine pros to avoid wasting time, relief in fix negotiation and aid businesses to plot extra reliably
- Man-hour listings help in long term pricing, that means the booklet content material is still legitimate despite forex, expense fluctuation or inflation
Read Online or Download A Guide to Ship Repair Estimates in Man Hours PDF
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Additional info for A Guide to Ship Repair Estimates in Man Hours
However, to assist estimating, it can be based on cubic meters of air space covered. A minimum charge of approximately 8 m3 will be made. 17 cover erection and later dismantling and removal of external staging. , a third column is shown. 5 2 Internal 5 4 3 Drydocking works 37 3 Steel works Applicable to Grade A shipbuilding steels. l M arking off the external area of hull plating on vertical side up to a height of 2 meters, cropping by hand burning, and removal of all cropped plating. l D ressing and preparation of plate edges of remaining external plating.
G. 3) K = Number of hours in 1 year = 8760 Capacity of material (amp hours / kg) = Information from manufacturer (for zinc, 781 is common) Using the above formula, it is a simple matter to formulate a spreadsheet to determine the weight of zinc anodes. Input the data into the table and use the formula to determine the weight of zinc anodes for the period required. Drydocking works 27 Formula to determine the weight of sacrificial aluminum anodes required on a ship’s underwater area Underwater area of ship in sq.
Removing valve ashore to workshop for above type of overhaul requires special consideration, dependent upon size. Valves below 20 kg in weight can be assessed as double the in-situ rate. Above this requires rigging and cranage input, which should be assessed separately. 13 Ship side storm valves Opening up ship side storm valve for in-situ overhaul, by disconnecting and removing cover, spindle and gland, cleaning all exposed parts, testing bedding, painting internal exposed areas and reassembling with new cover joint and repacking external gland with conventional soft packing.