Wash Tanks with Screens

• Please note that many models described on this website are bespoke, and as such cannot always be accurately depicted.
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YOUR LEGAL REQUIREMENTS, DUTY OF CARE AND COMPLIANCE

Effluent and run-off from  washing and cleaning activities can damage the environment and pollute rivers, streams, burns and groundwater. Dirt, brake dust, traffic film residue and oil that is washed off are all pollutants.

The cleaning agents you use (including those labelled biodegradable or traffic film removers) are very poisonous to river life. If you cause pollution, you are breaking the law and spoiling your environment. Dirty water or run-off from vehicle washing and cleaning carried out as a business or industrial activity is called trade effluent.

Whether you’re cleaning just one vehicle or responsible for a large lorry fleet, you must arrange for collection and disposal of effluent to prevent pollution. It’s illegal to discharge trade effluent to the environment or into drains without permission.

A selection of general and typical requirements for the containment and safe disposal of wash water are shown below

Activities that produce run-off from the vehicle onto the ground and use cleaning and valeting products should be carried out in areas that are clearly marked and isolated from surface water drainage systems, unmade ground and porous surfaces. These areas are called designated washing bays. A designated washing bay should be designed so that run-off is:  

• isolated using channels, gullies, gradient (fall on the surface) and kerbs
• directed to a silt trap or settlement tank to remove larger particles of silt and sediment
• either collected in a sealed system for reuse, discharged to the public foul sewer with prior permission of the local sewer provider or collected in a sealed system for authorised disposal

 You should also:

• have procedures for everyone, including contractors, that cover where and how vehicle washing and cleaning should be carried out and what to do in a spillage emergency
• provide notices for designated washing bays saying what they’re for and that washing and cleaning should only be carried out in the bay • consider whether a fence or barrier is required to prevent spray or wind drift out of the designated area
• have procedures and equipment which minimises water use and solid waste production

 Understanding your drainage system is the key to preventing pollution. Most areas have what is known as a separate drainage system where there are two types of drain:

• Surface water or clean water drains should only carry uncontaminated rainwater; they lead directly to ditches, streams, burns, rivers and soakaways. Roof water, car park, road and some yard drainage is usually connected to the surface water drainage system
• Foul water drains carry contaminated water (sewage and/or trade effluent) safely to a sewage treatment facility, which is either owned privately or by the local sewage treatment provider. Any system designed to carry foul water is called a foul water drainage system
• Drains (surface water and foul) are also known as sewers. Your local sewer provider is the organisation with the legal responsibility to provide public sewerage and sewage treatment facilities in your area. Drains owned by the local sewer provider are known as mains drainage, main sewers or public sewerage systems

The Morclean bunded wash tank provides a compliant solution,  namely an isolated, bunded and water tight method for the containment of contaminated wash water.