Warehouse Wednesday - Bunded tanker area

Spotted in the Cadbury factory, this is an interesting detail for an industrial scene. A bunded area is somewhere to park a tanker, with drainage to avoid spills spreading. I'd assume this is normally where it is being loaded or unloaded, but this one seems not to have any facilities for this. Does the driver haul the tanker to this spot if it appears to be leaking? Modelling would be simple enough: some gratings around the edge of a concrete area. You could probably scribe the lot into card, unless someone laser-cuts the gratings. The change of ground colour from tarmac to concrete would look good in model form. You'll need a sign, of course: Maybe that door hides a connection for a hose from the tanker? Since it was the weekend, and there were no deliveries, I can't tell. If anyone knows more, I'm sure we'd love to know.

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