Sawmilling, sorry for the slow response. I had to go back and check for answers. You are correct on the draft fan and cooling device. Not sure about the HP of the motors since they are gone.
My goal with the project was a 33% return on investment. The last time I did the numbers I thought we were getting an 8% return. Then the real numbers were provided by the company and my ignorance was magnified. To sum everything up, this would be more of a scrappers nightmare than a scrappers dream.
The learning curve is steep as with all my challenges. The positive return can only be seen from a developers perspective. The owner saved money by using his own crew instead of hiring someone to do it. Example: we had a quote from a contractor to remove the metal from the basement and first floor for $ 100,000. These are the areas machines could be used. Above this everything has to be done by hand. We are on the 9th floor and the owner has made money from this perspective. I have learned the value of the project is not in the short term, but long term when the facility will have 220 apartments in it.
To sum everything up, demolition and salvage operations are out of my league. I was lucky to learn this lesson without sacrificing my life's savings to create a company and take on this type of project. Hopefully this information will help someone dreaming about this type of work. Make sure you do your homework. The real dream is the education, not the money in this case.
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