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Posted By DaGuru
Could anyone advise on a sensible height empty pallets should be stored at in a warehouse?
The storage area on site is very restrictive and currently we are trying to introduce a specific height pallets should not be over.
Storing outside is not an option.
Any pointers or opinions are most welcome.
Thanks
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Posted By Swis
depends on your own assessment, considerding various factors such as environemnt, size of pallets, opertives etc etc
I've seen a common practice of stacking 6 high...
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Posted By Stefan Daunt
Hi Da Guru,
20 pallets high is the norm, any higher and the stack will start to get unstable.
Also depends on the FLT mast lift height, you don't want to be lifting stacks of pallets that are considerably higher than the load guard.
Overhead obstructions within the warehouse may be an issue, roof supports, lights, sprinkler systems.
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Posted By Stefan Daunt
In addition to my previous, the pallet integrity should be taken into account, are these newish pallets or broken with missing blocks, slats.
A pallet weighs typically between 28kg and 33kg for a GKN, 7 of these coming down from the top of a stack would be weighing a quarter of a tonne, without a terminal fall rate.
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Posted By stephen smith
There is a guidance note on this, but I don't know if its still in circulation, bacially height = three times the shortest length of the pallet - I don't think anybody adheres to it though
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Posted By Stefan Daunt
Hi Stephen,
Not disputing, but X3 doesn't seem very high? a euro pallet stack at 1.8 mtrs?
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Posted By Kenneth Patrick
We have new pallets stacked thirty high, inside under sprinklers( loss insurance company requirement)
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Posted By Stuff4blokes
Guru, your property insurers will most certainly have a strong view on this question.
This is because that a stack of wooden pallets is probably the best designed and built bonfire imaginable, just waiting for the spark to light it. Once lit a ventilated wood stack presents a very serious fire challenge that would require large quantities of water to control. The higher the stack the more fierce the fire. If plastic pallets, they may be harder to get going but once lit release more thermal energy.
If your warehouse is sprinkler protected, the system will have been designed to tackle an assumed maximum fire size and intensity. Exceed that and you have lost the warehouse as the sprinklers will simply be overwhelmed.
Your competent fire risk assessor will be able to provide a realistic height limit after taking in to account the specifics of your operation.
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Posted By DaGuru
thank you.
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Posted By D. Hilton
S4B
Plastic pallets are more readily ignited than wooden pallets. Ignition of a plastic pallet can be initiated with a match whereas approx 1 litre of fuel is required to ignite a timber pallet.
Ref HSL Report 2004/14
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Posted By Kenneth Patrick
How do you ignite a wooden pallet with a litre of fuel?
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Posted By Swis
you can always borrow a bit of fire from ignited plastic pallet ..:P
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