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Posted by: George on 3/8/02 Title: car wash drainage
Postnum: 53 EntryID:517
I was wondering if you could help me get the information or tell me who to contact to get information on what I would need to dispose of water used in a car wash..I am wondering what kind of drainage I would use for the run off and what kind (if any) recycled water system..I am concerned about the oil that would be going down the drain and into the ground or wherever.

Thank You


Posted by: Emile on 3/12/02 Title: Re: car wash drainage
Postnum: 53 EntryID:519
If you are concerned about your waste products going down the drain, then you can find the requirements to install an oil interceptor in your system which is located in the Canadian Plumbing Code under section 4.4.3 Hope this helps. Have a good day!

Posted by: Fred Schaad on 3/18/02 Title: Re: car wash drainage
Postnum: 53 EntryID:521
First, and foremost, is the question of your sewer service area. Is your facility serviced by a municipal sanitary sewer service provider? If not, you be be able to get away with some type of ground recharge system provided you can get out most of the contaminants, as described below. You may need a permit or approval from your local or regional government to discharge into ground (this is guaranteed if you discharge to a surface water).

Second, grit. Grit is your biggest source of pollutant. Make sure you install a grit capture system that is large enough to cope with your flows and provides enough detention/retention to settle out most of the fines. Recommended detention time: is about 2 hours. This is often calculated as an overflow rate L/min/m2 or gal/day/ft2.

Third, dissolved salts and detergents. No interceptor will rid you of these substances, so careful selection of detergents (i.e, phosphate free) may be important to your system.

Next, oil and grease. If your facility is a 'detailing shop' these contaminants will be ranked more important but for most car wash sites, this is not a big issue.

Last but not least, is the issue of water 're-use.' Any amount of wash water you can recycle that you can build into your system is a bonus. Most sites that re-use water will direct that treated water to a pre-rinse or a wash cycle. Final rinse is usually clean water. Your treatment system can be as sophisticated as you can afford. A full treatmetn Reverse Osmosis unit will rid you of the salts in the recycled water but will concentrate the salts in your waste brine.

Hope that helps. fs

Posted by: Robert on 5/22/02 Title: Re: car wash drainage
Postnum: 53 EntryID:562
We well a number of systems for car wash facilities that would meet your requirements. Let me know how large a facility that you are developing and I can get you a quote

Posted by: Eckhard Biller on 4/9/03 Title: Re: car wash drainage
Postnum: 53 EntryID:807
Hello George: To start with you yould choose an absolute environmental ecological safe and friendly car cleaning product, which not only cleans cars but at the same time bio degrates the pollutants. Check out our Web Site for our patented and TM registered product Formula CCcare under ALL Purose Cleaner Ammonia, phosphate, chloride and fluorocarbon free. Regards Eckhard

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