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Wednesday, November 25, 2015


I am bidding on a 40,000 sq. ft. gym. It is to be done 7 days a week and includes: cleaning over 1000 exercise machines, 10 bathroom stalls, 9 shower stalls, 2 saunas, and a cafe. This includes dust mopping and wet mopping the floors and cleaning all mirrors and doors. We have two people 3-4 hours per day.


Assuming your question is, “Will this do it?”, my answer is, “I can’t say for sure, but it doesn’t look very promising to me !”
If you spend 8 man-hours a day (2x4), your production rate is 5000 sq. ft. per hour. (40,000/8) That may be possible, but I have no idea how long it takes to clean each machine.
If it is done each day and you spend just 1 minute per machine, your time will be 1000 minutes which is equal to 16.6 hours, twice what you have allocated, with nothing else getting done. You can cut that down to 8 hours by spending only a half a minute on each, but you will still need more time to do the rest.
Before committing yourself to this job, please take a few minutes to establish what you must do and how long it will take you. Only then will you be able to run some numbers that will make sense for this project.
Lynn E. Krafft, ICAN/ATEX Associate Editor