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What is the minimum flammable & combustible liquid standard recommended spacing between an outdoor 120-foot diameter floating roof liquid storage tank of 7,000 barrels and a 100-foot diameter refrigerated dome roof storage tank? a. 100 feet b. 180 feet c. 200 feet d. 240 feet Solution | Posted 07/25/18 
4 Comments
Colleen
7/24/2018 09:44:58 am
Ugh, I don't know...I would think the answer is somewhere in NFPA 30, and I do see that per T.22.4.2.1, the minimum shell to shell spacing for above ground tanks under 150 ft in diameter is 1/6 the sum of the adjacent tank diameters...but (1/6)X(120+100)=36.7', which isn't close to any of these choices....
FPE
7/24/2018 11:07:25 am
Agree with you !
Jimmy
7/24/2018 11:21:34 am
OK, this is one where I would have to trust the FPH. Frantically checking the index, getting close and breezing over the pages I landed on Figure 8.2.3. This would lead to D: distance between a floating roof tank and a refrigerated dome tank is 2 x D=240'. Beyond that, I'd cross my fingers and move onto the next question!
Colleen
7/24/2018 02:03:01 pm
I see that, thanks! Leave a Reply. |
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