If hazardous substances are to be stored safely and in accordance with regulations in drums, small containers or IBCs, the Water Resources Act (WHG) and the Ordinance on Installations for Handling Substances Hazardous to Water (AwsV) recommend the use of sumps. But even when transporting hazardous substances within the company, you should not do without a specially designed mobile collection tray with castors and push handle.
Steel sump trays - safe storage and transport of hazardous materials
The type of hazardous material to be stored determines to a large extent which material you should choose when selecting a suitable sump tray. It is important to check the media resistance against DIN 6601. For the storage of water-polluting, flammable substances, we recommend collecting trays made of painted or galvanised steel. Galvanised sumps are more suitable for substances containing solvents, as plasticisers and solvents would attack the coating of the painted sump and destroy the corrosion protection required by the Steel Sump Directive (StawaR).
Steel sumps for every need
Before you decide to buy a collection tray, you should consider which model is suitable for your individual application. First and foremost, you should ask yourself what tasks the collection tray will ultimately have to fulfil. For example, it should already be clear how many and which containers are to be stored, whether the tray is to be used for storage or also for transport or filling, or whether larger areas need to be protected.
For example, we offer steel collecting trays in various models and finishes (galvanised or painted):
- Laboratory sumps
- Small container trays
- Drum trays
- Pallet sumps
- Shelf trays
- Shelf insert tubs
- Shelf insert tubs
- Hazardous material stations
- IBC sumps or large container sumps
- Floor protection trays or surface protection trays
- mobile sump trays with castors and push handle or mobile sump trays
The collection volume depends on the container size or the number of containers and usually starts at 60 litres, goes over 200 litre drum trays up to 1000 litre IBC trays. The capacity of our drum trays ranges from 1 drum to 10 drums. Our IBC drip trays can hold from 1 IBC/KTC up to 3 IBC/KTC.
Choosing the right size
When choosing a suitable drip tray, size is another important decision criterion. The provision of a sufficient collection volume is required by law. The sump must be able to collect at least 10 percent of the total storage quantity and the contents of the largest container. Much stricter guidelines are prescribed within water protection areas. Here, the collection tray must be able to retain the entire contents, i.e. 100 % of the stored hazardous substances.
Steel drip pans - conductive
Steel drip trays are made of non-flammable, conductive material and are therefore particularly well suited for the safe storage of flammable, combustible liquids in hazardous areas (Ex zones). We have perfected our steel sump trays with ground clearance (forklift pocket) for use in Ex zones and integrated a fixed connection option for potential equalisation. The great advantage: potential equalisation cables can be connected mechanically firmly and thus safely and can no longer be accidentally interrupted, as is the case with a loose terminal (caution: danger to life!).
Proof of usability / documentation for steel sumps
Steel sumps up to 1000 l, which are subject to the Steel Sump Directive (StawaR), are regulated construction products and receive a manufacturer's declaration of conformity in the form of an Ü mark. Steel drip pans that are larger than 1000 l or do not comply with the StawaR require a DIBt approval or an approval in individual cases by the lower water authority at the responsible district office. Our documentation for steel collecting trays therefore consists of:
- Ü-sign or DIBt approval
- Tank test certificate
- Specialist company certificate according to WHG
- External monitoring by the TÜV
Steel sump guideline (StawaR) - a short explanation
The StawaR was included as a technical rule in the building rules list of the DIBt. Here is an excerpt from the StawaR on the requirements for steel collection trays with a collection volume of up to 1000 l:
- Height at least 50 mm and maximum 1000 mm
- Base area max. 10 m² (single tray)
- Maximum collection volume 1000 litres
- Freeboard at least 20 mm - with grating option, the freeboard must extend to the lower edge of the grating
- Material thickness according to DIN EN 10025-2 or DIN EN 10028-2 at least 3 mm (stainless steel at least 2 mm)
- Corrosion protection for catch basins according to DIN EN 10025-2 and DIN EN 10028-2 according to DIN EN ISO 12944-1, -4, -5 or a zinc coating according to DASt guideline 022
- Media resistant according to DIN 6601
- Weld seam test
- Marking with Ü-sign
Steel drip pans - a summary:
- tested, with Ü-sign or DIBt approval
- high mechanical resistance
- robust, long service life
- for flammable substances
- attractive price
- not flammable
So much for the topic: steel drip pans