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orange triangle

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sparkieroo | 22:31 Sun 03rd Nov 2002 | How it Works
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can someone tell me what those posts with the little orange roofs or triangles on the top are for , you see them alongside feilds in the countryside
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Avatar Image xyzzyplugh
Methinks they are so helicopters can spot pipelines. Not totally sure though.
22:54 Sun 03rd Nov 2002
Avatar Image rja211077
they are indeed so helicopters can follow pipeline routes. Orange hats indicate major changes of direction in an underground gas pipeline. If it's white with a black stripe it's an oil pipeline. What this has to do with adverts, i'm not sure though...
16:40 Mon 04th Nov 2002
Avatar Image brianwaring
both previous answers are correct. All over the uk there is a grid of pipelines feeding oil (kerosene) to our airports and raf stations.These orange posts guide a helicopter usually once a month the route of the under ground pipeline to allow the observer to check that ther are no unauthorised digging near the line and he can tell by the colour of the earth if there is a leak.
23:05 Tue 12th Nov 2002

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