I clean a Japanese sushi bar once a month. I would say the carpet looks decent for about two days. You are setting yourself up for a big failure. I would check to see what company was doing the place before so you will have an idea of what you are up against. Even if you make the place squeeky clean, the oily greasy kitchen floor and 20 employees will have the carpet greasy in less than a week. Go back a few days after you clean it and see if anything wicks back.
I had a big problem cleaning the sushi bar. I tried everything before I used Harper's mix. It worked good but no better than powerburst mixed strong. Olefin carpet and sushi bars do not go together.
I didn't notice a big improvement until I increased the flow on the rx and added
glides. And most important I got my machine running like it should. I run my
Everest with four to the door running the rx (7.5 flow but going back to 6) and the temp never drops below 200 and stays around 220-230 if I let off to do some dry strokes. With the glides and increased flow I can slow down and really rinse the carpet. I tried pre-scrub, post pad, sodium p. You name it I tried it. Now I just spray powerburst and suck it with a rinse agent. It looks good but when I go back a month later it looks like it hasn't been cleaned in a year. Oh well. I clean another place spray and suck that looks great for a long time. I guess it depends on the carpet type.
If the company before you is using a portable with purple power in it, you will need to run an acid rinse on the job and mix it double strength. Most restaurants clean up great with a wand and spray and suck. Others need a little more work. I would personally hit the carpet with an enzyme pre-spray. Forget the purple juice. Rinse with an acid rinse or if you are generous, run an emulsifier, post spray an acid rinse, and then pad the carpet. Then just spray and suck on future cleanings.
As far as what to charge just charge a flat fee such as 250-300 etc. Find out what the other company was charging and add 50-100 dollars to it and guarantee a better job. If they will not go for that, then let them keep getting crappy work.
I doubt you need to pre-scrub. If you do, then use a red pad. I would place more emphasis on post pad.
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