Car Wash Drain Interceptor

In a self service car wash the customers wash the vehi cles.

Car wash drain interceptor.

Vehicles being cleaned stand over a large sediment tank this tank then leads to a 3 part interceptor which ultimately leads to a nearby storm drain. Multiple bay vehicle washes having hand held spray and or brush wands must increase interceptor flow capacity by 12 gpm for each additional wash bay at the facility. Car wash catch basin overview underground precast drainage inlets and catch basins are among the most widely used drainage products in the market today to collect excess storm water runoff from roofs sidewalks parking lots and paved streets. Several environmental rules apply to car washes rules that affect how businesses manage wastes and help protect air and water.

Large capacity oil interceptors roi series large capacity oil interceptors are used by car washes auto repair shops parking lots machine shops and industrial facilities. A wand dispenses water and cleanser at varying amounts and pressures. Interceptors separators for waste contaminated water morclean interceptors separators are used where there is a risk of oil chemicals or suspended solids contaminating a wash bay drain. The drain channel can be cleaned with flush valves automatically saving labor and money.

In this guide the environmental issues for car washes are separated into four categories. Single bay hand held spray or brush wand type vehicle washes shall install a 20 gallon per minute gpm interceptor minimum. Drains subject to these requirements in facilities served. Drains in commercial garages and car wash facilities may receive flammable and or oily waste that may potentially harm the sewer system and therefore these drains discharge into an oil and flammable interceptor before discharging into the public or private sewer.

Oil water separators protect the environment by preventing oils and sediment from entering the municipal waste water system. If it is inside the car wash you talking about sounds more of an mep item i e. Co op was looking for excellent flow rates and it is corrosion resistant to the car wash chemicals. The fact that it leads to a storm drain not a foul water drain is the problem.

If the drainage is outside the car wash then your talking about a drainage area map and runoff coeficients based on the rational formula. Area and curb inlets surface flows etc. Wash water grit trap waste fuel tanks air emissions managing wash water car wash water contains chemicals and. Car wash uses brushes made of nylon or other material soft cloth strips or automatic washers consisting of high pressure nozzles.

In addition a low pressure brush may be available to assist in the wash cycle. Automated drive through car wash facilities must install an interceptor s with a minimum flow capacity of 40 gpm for each wash bay.