Nfpa 30

Formal Interpretation

NFPA 30
Flammable and Combustible Liquids Code
2008 Edition Reference: 1.1, Scope F.I. 84-4
Background: Tank trailers and semi-trailers are loaded with flammable or combustible liquid and moved to a storage yard. There, the tank vehicles may be kept for days, weeks, or months before being shipped to another location or being moved to another part of the same plantsite. Some of the tank vehicles are not road-worthy. Question: Do such tank vehicles, used for the temporary storage of flammable and combustible liquids, need to meet the requirements of NFPA 30 for drainage, impoundment, separation distances, etc.? Answer: Yes.

Issue Edition: 1984 Reference: 1-1 Date: April 1987

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NFPA 30
Flammable and Combustible Liquids Code
2008 Edition Reference: F.I. 93-1 1.1.1, 1.1.2(1)

Question: Since the term “solid” is not defined by NFPA 30, is it the intent of Subsections 1.1.1 and 1.1.2(1) of NFPA 30 that a combustible material, having a melting point at or above 100°F, be outside the scope of NFPA 30 and exempt from NFPA 30’s requirements? Answer: Yes.Issue Edition: 1993 Reference: 1-1.1, 1-1.3, 5-4.1.1 Issue Date: March 7, 1995 Effective Date: March 27, 1995

Copyright  2007 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION

Formal Interpretation

NFPA 30
Flammable and Combustible Liquids Code
2008 Edition Reference: F.I. 81-1 3.3.5

Question: Is it the intent of NFPA 30 that Fuel Oil #6 be considered a boil-over liquid,as per the definition of boil-over, viz., crude oil (or certain other liquids) and as per the applicability of Table 22.4.1.4 of NFPA 30 governing boil-over liquids? Answer: No.

Issue Edition: 1981 Reference: 1-2 Date: April 1981

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Formal Interpretation

NFPA 30
Flammable and Combustible Liquids Code
2008Edition Reference: Table 7.3.3 F. I. No.: 30-03-1
Background: In Table 7.3.3, the electrical area classification for “Office and rest rooms”, “Garages for other than tank vehicles”, and “Indoor warehousing where there is no flammable liquid transfer” is listed as “Ordinary”, i.e., no area classification applies. However, each of these three entries includes a qualifying statement that reads “If thereis any opening to these rooms within the extent of an indoor classified location, the room shall be classified the same as if the wall, curb, or partition did not exist” Question: Is it the intent of the qualifying statement to require that the classified area extend through the opening(s) only to the distance specified by Table 7.3.3 for the specific source(s) that requires area classification?Answer: Yes.

Issue Edition: 2003 Reference: Table 8.2.2 Issue Date: May 8, 2006 Effective Date: May 28, 2006

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Formal Interpretation

NFPA 30
Flammable and Combustible Liquids Code
2008 Edition Reference: F.I. 90-2 Section 9.4

Background: An intermediate bulk container (IBC), referred to in Section 9.4 of NFPA30 as a “portable tank,” that is constructed of a blow-molded plastic bottle, of 61 to 660 gallons capacity, that is structurally supported by a metal overpack and is attached to a pallet. The plastic overpack provides primary liquid containment. The sheet metal overpack provides structural rigidity and impact protection, but is not liquidtight. Question: Does a container such as described meet theintent of the phrase “approved metal portable tank” as cited in Section 9.4 of NFPA 30? Answer: No.

Issue Edition: 1990 Reference: 4-2 Issue Date: January 22, 1991 Effective Date: February 11, 1991

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Formal Interpretation

NFPA 30
Flammable and Combustible Liquids Code
2008 Edition Reference: 22.4.2 F.I. No.:...