By Don Butler DTI Combined first class Engineers Certificate of competency for steam ships and motor ships.Chartered Engineer (C. Eng)Fellow of the Institute of Marine Engineers (F.I.Mar.E)Member of Society of Consulting Marine Engineers (M.C.M.S)
Expert send surveyor Don Butler stocks a lifetime's send fix costing adventure during this designated source for exact rate estimation and planning
- Includes not easy to come back by means of info on commonplace send fix hard work expectancies for actual man-hour forecasting and value estimation
- Produced for marine engineers and marine execs to help with fix specification and negotiation, aiding you to plot paintings and budgets extra reliably
- Uses man-hours in preference to specific premiums or currencies, delivering a long term version for pricing despite position, price fluctuation or inflation
Bringing jointly another way scattered information on particular fix and dry-docking actions, this helpful advisor will prevent time and increase 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 by way of details on average send fix hard work expectancies for actual man-hour forecasting and value estimation
- Produced for marine engineers and marine execs to save lots of time, reduction in fix negotiation and support businesses to devise extra reliably
- Man-hour listings help in long term pricing, that means the publication content material is still legitimate despite foreign money, fee fluctuation or inflation
Read Online or Download A Guide to Ship Repair Estimates in Man-hours, Second Edition PDF
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Extra info for A Guide to Ship Repair Estimates in Man-hours, Second Edition
When included within the charge of a job, that job price is increased accordingly. 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.
Any spares to be owner’s supply.
Man-hours Tailshaft dia. 10 Anodes (on hull and in sea chests) Cutting off existing corroded anode, renewing owner’s supplied zinc, or aluminum, anode by welding integral steel strip to ship’s hull. Excluding all access works. 5 2 To determine the amount of anodes required for a vessel, the owner should contact a supplier who will calculate the exact requirement. The following section shows the method of determining weights of zinc and aluminum anodes, so the reader may understand the method. ) Drydocking works 25 Formula to determine the weight of sacrificial zinc anodes required on a ship’s underwater area Underwater area of ship in square meters Number of years between anode change Capacity of material in amp hours/kg Current density of material in mA/m2 (ave.