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Joined: Jul 2001
Posts: 62
J
johnd24 Offline OP
Member
Anyone have a drawing for a outdoor fuel tank at a school for their buses.
I installed a shunt trip an e-stop button but unsure how far the e-stop can be from the tank.Also installed rigid pipe with expliosion proof fittings and sealoffs.

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Joined: Mar 2007
Posts: 49
A
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The Emergency pump shutdown is to be locacated at least 20 feet but less than 100 feet from the dispenseing location. Look at article 514 for more info.

Joined: Nov 2005
Posts: 826
J
Member
I don't know the minimum requirement but that's one thing we don't skimp on. We put them just about anywhere you'll pass on the way out of a problem in the fueling islands and a couple of distant points that you can view them from. We also have a connection to the FACP so that any zone associated with or nearby the fueling will cause an E-Stop on alarm. We can bypass the FACP E-Stop but that will put the FACP into Trouble or Supervisory until enabled. We only use one key reset switch in the Foreman's offices. I sometimes find these reset switches jumpered at which time I tend to light a little fire of my own.
Joe

Joined: Jul 2002
Posts: 680
W
Member
If your trying to meet NEC a shunt trip won't cut it. Doesn't shut off grounded conductor. Is it an unattended operation??


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