Garage Cleaning 101 Pressure

Jim@Garagecleaning

Jim@Garagecleaning

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How many of you think there is a magical number needed for pressure in Parking Garage Cleaning?

Example: Some may say you need 10,000 psi to clean the parking garage. Others say......

Lets talk !!!
 
I say whatever Jim has.
 
Would my hydrotek 5.5gpm/3500psi do it?
 
We have done some dirty ones with 3500psi @ 8gpm 200 degrees hot water.
 

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ckingclean said:
Would my hydrotek 5.5gpm/3500psi do it?
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Yes, I believe it would, especially there in Hawaii.

You also have 75 + degree weather almost year around. That would help you with the heat as well.

5.5 gpm is the lowest I would go. If you went lower in gpm or psi, the results may not be to your customers liking.
 
Jim gets the entire garage shut down. I am not that lucky. I usually have to schedule a floor at a time, or worse, just work around the cars. I am lucky because most of my customers do not expect me to go back and clean where the cars were. I also have to do them over night.
 
I hate working around lots of other people's cars. Lots of liability issues for sure.
 
Jim@Garagecleaning said:
Yes, I believe it would, especially there in Hawaii.

You also have 75 + degree weather almost year around. That would help you with the heat as well.

5.5 gpm is the lowest I would go. If you went lower in gpm or psi, the results may not be to your customers liking.
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Yeah, we don't have to worry much about heat loss! Jim, next time your here, come show us how to clean one of those things!
 
Hey guys, your mostly right, I usually can get the entire garage closed. For allowing us complete closure, we give a discount. ( Money that we would save vs level by level.

However, this is usually how we do it.

We close all the top floors and leave just the first floor open for for the disable on Saturday. Then, on Sunday, we close the entire garage for a day to clean the first floor. This first floor usually takes just as long as 4 top floors combined. The filter is full by this time with over 100 to 300 gallons of class 2 hazardous waste and sludge. ( Garages that we clean on a regular cleaning is far less, (though the cleaning is done to the same standards ). In fact sometimes we have to haul it off in separate 50 gallon drums ( in different trucks) due to the restrictions for transporting of class II waste on the city roads and highways.
 
Jim@Garagecleaning said:
Hey guys, your mostly right, I usually can get the entire garage closed. For allowing us complete closure, we give a discount. ( Money that we would save vs level by level.

However, this is usually how we do it.

We close all the top floors and leave just the first floor open for for the disable on Saturday. Then, on Sunday, we close the entire garage for a day to clean the first floor. This first floor usually takes just as long as 4 top floors combined. The filter is full by this time with over 100 to 300 gallons of class 2 hazardous waste and sludge. ( Garages that we clean on a regular cleaning is far less, (though the cleaning is done to the same standards ). In fact sometimes we have to haul it off in separate 50 gallon drums ( in different trucks) due to the restrictions for transporting of class II waste on the city roads and highways.
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Jim, what kind of cleaning frequencies are you getting with these garages?
 
Cleanings should be cleaned every 6 months. About half of our clients do clean every 6 months, however the larger garages ( 450,000 sq ft )usually clean once a year do to costs. 350,000 plus we do give a discount. Don't ask.... LOL
 
DJ Carroll said:
Jim what would you say would be a good size garage to target for my first garage? I have a 5.5 gpm machine hot water and will have an 8 gpm cold for rinsing . . .also are there water hook ups in these garages?
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DJ with one 5.5 hot , one 5.5 cold and a 4gpm cold I did my 1st garage it was 120,000 sq ft the cold water did the cutting in also. It took 3 & 3/4 days. at $.08. this was when I first got a 5.5 hot. not bad for 1st garage

I now do that same garage in 2, 10 hour days
 
Jim@Garagecleaning said:
Cleanings should be cleaned every 6 months. About half of our clients do clean every 6 months, however the larger garages ( 450,000 sq ft )usually clean once a year do to costs. 350,000 plus we do give a discount. Don't ask.... LOL
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Just wanted to clarify Jim, 450,000 sq.ft at an annually cost of $350,000 (three hundred and fifty thousand) thats just about $0.77 per sq.ft.

On that 450,000 sq.ft garage, how long does it take with your surface cleaner (you do use one mechanically powered 36" spinner at 4000 rpm,5.6 gpm @ 4350 psi and 245F or is it two at those specs)

How many additional hrs for the high flow rinse (80gpm),hand scrubbing, set up and break down.

Is that a 6 man crew job?

Is the garage a high occupancy structure?
 
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