PE Problem #2

6/5/2019

A 500 sqft rated liquid storage room is to be created within a fully-sprinklered 200,000 sqft warehouse. How many 55 gallon drums of Class IIIB liquid (flashpoint above 200 deg F) can be stored within this room?
a. 18 containers
b. 36 containers
c. 87 containers
d. 90 containers

Solution | Posted 06/06/19

6 Comments

6/5/2019 06:53:01 am

d. 90 containers

NFPA 30: 2015, Table 12.6.1.1

6/5/2019 10:44:16 am

I agree, 90 containers.

10 gallons per sq ft. 10 gal/sqft * 500 sqft / 55 gallons per container

Also, NFPA 30 has been removed from the recommended reference material for 2019 PE test. I did a search of the Fire Protection Handbook, but did not find the specific answer to this question.

Brenton

6/5/2019 10:10:32 pm

D. 90 containers

david boggs

6/6/2019 02:19:33 pm

The IBC and IFC are code requirements by many states and AHJs.
The maximum allowable quantities, MAQ, determine the allowable amounts, not NFPA. NFPA may be referenced by specific sections of the codes and are used for installation requirements, like NFPA 72 and NFPA 13. If NFPA 101 is required for heathcare facilities by CMS the most conservative of NFPA or adopted codes is recommended to be used.

Steve

6/7/2019 07:16:02 am

Will the exam have questions like this even though NFPA 30 was removed from the required references?

Joe Meyer

6/7/2019 07:36:07 am

No, this was just me including this 2018 question incorrectly without vetting it first. I'll be sure to check all the others prior to posting.

Thanks Steve!

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