Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 80·6.5
Control of oil pollution - bunded tank requirements
Oil storage must use integrally bunded prefabricated tanks with bund capacity of at least 110% of the tank capacity.
Where Regulation 76 in Part L applies, the oil should be stored in an integrally bunded prefabricated tank. The bund should have a capacity of not less than 110% of the tank it contains.
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