Metal Gasoline Storage Tank Grounding
I've purchased a 15 gallon metal gasoline storage tank to cut down my trips to the gas station (and hedge bets on the price of gas going up). Primary use will be to fuel my tractor and related implements. The tank includes a 72" rubberized hose and metal dispenser handle.
As this is a gravity feed unit, I need to place it higher than my tractor tank. My thought was to mount it on a sturdy shelf in my shed about 56" off the floor of the shed. My shed is about 150 feet from my house, in case you're wondering.
Assuming my tractor and other equipment are sitting on earth when being fueled, do I need to worry about grounding the metal storage tank? Also, are there thoughts on the need to clip a grounding cable from the tank to the frame of the tractor when fueling? Seems a good idea to me (like they do when fueling airplanes), but might be overkill. I just want to do what I can to avoid any regrettable incidents that might damage property or limb.
Thanks for the help!