Rank: Forum user 
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Hello Everyone. I have a problem with COSHH cage.
At this moment we keep chemicals (cleaning staff) in metal cage on the warehouse. The cage is locked and it is impossible to remove any items from inside. According to last audit, there was issue about lack of any boundaries (chemicals can spill everywhere). We have a lot, big bottles of chemicals. Purchase of typical COSHH cupboard will cost a lot.
If I leave the metal cage and add spill trays, would it work?
Maybe someone could share with me with any ideas?
Regards
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Rank: Super forum user
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You don't give enough information. Is the cage a walk in type cage or one on wheels? Are your chemicals compatible, ie what happens if they mix due to spillage etc. How big are the bottles? Are the chemicals stored near drains etc etc. We need more info....
I would also ask the auditor about what they would expect. Whenever I audit or do an inspection and make a critical observation I always try to provide a solution or suggest a way forward. So in this instance I would go back to the person who did the audit in the first place and ask for suggestions.
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Rank: Forum user
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It is metal cage without wheels and it is placed in the warehouse, far from visible drains. The biggest bottles have 25 litres. The cage is placed at the begining of warehouse racks and fitted into warehouse racks on the ground and first level of racks. It looks like ground and first level of racks are surrounded by metal cage.
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Rank: Super forum user 
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Yes, a tray would suffice but this should be a tray with a grille for the chemicals to sit on. If you sit your chemicals inside the bund and one of them leaks, it may attack the container material of the other chemicals causing more leaks. If you sit these on a tray with a grille, all the liquid drops through the grille and collects in the bund. The bund needs to be sufficient size to take 110% of the contents of the largest container or 25% of the total amount stored whichever is the larger. This generally applies to IBC and drum storage but it is a good measure to go on.
Ensure you have separate trays for chemicals that are incompatible as you do not want to have leaks and chemical reactions which could be disastrous.
Edited by user 06 June 2019 08:21:58(UTC)
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 4 users thanked hilary for this useful post.
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Rank: Forum user
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Originally Posted by: hilary  Yes, a tray would suffice but this should be a tray with a grille for the chemicals to sit on. If you sit your chemicals inside the bund and one of them leaks, it may attack the container material of the other chemicals causing more leaks. If you sit these on a tray with a grille, all the liquid drops through the grille and collects in the bund. The bund needs to be sufficient size to take 110% of the contents of the largest container or 25% of the total amount stored whichever is the larger. This generally applies to IBC and drum storage but it is a good measure to go on.
Ensure you have separate trays for chemicals that are incompatible as you do not want to have leaks and chemical reactions which could be disastrous.
A great response which covers almost all ground. It'd also be good practice to look at a flammables cupboard for segregating flammable components and oxidising compounds. Really scrutinise the 'incompatible materials' sections of your SDSs to see which shouldn't be stored with which. Typical flammable cupboards shouldn't really hold any more than 50L and be bunded accordingly. As above, 'bund' is the word the OP looking for with respect to the drip trays. Also ensure that the composition of the bunding/drip trays are not incompatible with the chemicals stored. Lastly, good practice is to ensure you have suitable spill kits. They're also good at stopping spread of spillages, so can act as an intermediate, temporary bunding if you're still waiting on your suitable storage to arrive.
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1 user thanked Benz3ne for this useful post.
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Rank: Super forum user 
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Originally Posted by: Bread_2019 Hello Everyone. I have a problem with COSHH cage.
At this moment we keep chemicals (cleaning staff) in metal cage on the warehouse. The cage is locked and it is impossible to remove any items from inside. According to last audit, there was issue about lack of any boundaries (chemicals can spill everywhere). We have a lot, big bottles of chemicals. Purchase of typical COSHH cupboard will cost a lot.
If I leave the metal cage and add spill trays, would it work?
Maybe someone could share with me with any ideas?
Regards
Sounds like a cage to me and not suitable for chemicals. Is a hut a hut or a chemical store?
There is plenty of information out there on appropriate storage of chemicals.
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