Oil Tank Piping Question (Darin Cook)

Darin Cook_5

I was on a oil install job that another htg contractor had piped in. They had piped the 2" blk fill pipe through the outside wall directly into a 45' with a scully fill cap. The 2" blk vent was piped straight through the wall into a 2" mushroom vent cap (on its side). Is this permissable?

I was taught by an old oil master that I had the pleasure to learn and work with to come out through the side wall with full size ( 2")matching fill and vent pipe. I would 90' the fill up to a 6" or 8" fill pipe with a cap. The vent pipe I would 90' up to a nipple that was at least 6" above the fill pipe. What would a oil delivery guy like to see?? All comments or suggestions would be appreciated.






Darin

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Bruce Stevens

Darin I have always

done it your way however I think the code if my old memory serves me right says that the vent shall be higher than the fill.

Alan R. Mercurio_3

Darin, that old master taught you well

According to NFPA

A fill pipe shall terminate outside a building at a point at least 2 ft (0.6 m) from any building opening at the same or lower level. A fill pipe shall terminate in a manner designed to minimize spilling when the filling hose is disconnected. The fill opening shall be equipped with a tight metal cover designed to discourage tampering. A fill pipe shall be of such size and be so located as to permit ready filling in a manner that will avoid spillage, and it shall be identified at it's terminus as a fuel oil fill.

Vent pipes shall terminate outside of buildings at a point not less than 2 ft (0.6 m) measured vertically or horizon-tally from any building opening. Outer ends of vent pipes shall terminate in a weatherproof vent cap or fitting or be provided with a weatherproof hood. All vent caps shall have 'a minimum free open area eqtial to the cross-sectional area of the vent pipe and shall not employ screens finer than Number 4 mesh. Vent pipes shall terminate sufficiently above the ground to avoid being obstructed with snow and ice.

Your friend in the industry,
Alan R. Mercurio


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chapchap70_2

Oil delivery driver

I've seen oil tanks piped similar to what you described the other contractor had done. As long as the pipe is pitched level or slightly towards the tank and there is a working ventalarm, I as a driver don't have a problem with it. The codes and common sense, however are a different story.

The ones with the pipe pitched toward the outside connected directly to a 45 scully are bad. If the pipe is pitched the wrong way, oil sits there all the time and stains seem to develop on the siding around where the fill pipe exits the building.

bill nye_3

the vent

the vent is supposed to be 6" above the fill in case of an overfill. It will allow for expansion so the oil does not spill out onto the ground. I can't site chapter and verse , but it's in there.

Keith_25

Oil fill line

NYC building code the vent pipe minimum 1-1/4" diameter up to 1100 gallons must terminate at least 2' and not less than 12' vertically from the fill line within line of sight of the person filling the tank. Everything must be vertical.

Keith C.

Darin Cook_5

Thanks Guys

I appreciate all of the responses. It is good to know that I was taught correctly!!




Darin

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