"Critical Path" boilerplate planning protocols are available for most standard projects but I can't find one for a steam locomotive build. Such "boilerplate" recognizes that you cannot simply say there are "x" number of hours of machining necessary at a rate of "y". Many tasks cannot be performed simultaneously, for example. You may need 2 hours of machining, 10 hours to move the part, another hour of machining, ten days to do something else, then another three hours of machining. CPM is a valuable planning protocol, taking into consideration shipping costs, sequential delays, inspection costs and time-down expenses. I would not authorize a single dollar for rebuild until a competent engineer prepared a CPM document.
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