WORKING DRAFT OF COMMITTEE MEETING … DRAFT OF COMMITTEE MEETING OUTPUT CONTENT NOT FINAL –SUBJECT TO REVISION PRIOR TO LETTER BALLOT AND PUBLICATION OF FIRST DRAFT REPORT Document:

WORKING DRAFT OF COMMITTEE MEETING OUTPUT

CONTENT NOT FINAL –SUBJECT TO REVISION PRIOR TO LETTER BALLOT AND PUBLICATION OF

FIRST DRAFT REPORT

Document: NFPA 30

Technical Committee on Tank Storage and Piping Systems

Revision Cycle: A2017

Meeting Dates: September 11, 2015

Committee Activity: Input Stage

Attached please find a record of the First Revisions generated at the Technical Committee’s First Draft Meeting.

This Preliminary Report is being provided to committee members for the purpose of facilitating early review, particularly for those Committee members who must obtain input from their respective organizations in preparation for the Letter Ballot.

First Revision No. 21-NFPA 30-2015 [ Section No. 21.2 [Excluding any Sub-Sections] ]

For the purpose of this chapter, the term in this section shall have the definitions given. following definitions shallapply:

Submitter Information Verification

Submitter Full Name: Janna Shapiro

Organization: [ Not Specified ]

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Submittal Date: Mon Sep 14 15:54:17 EDT 2015

Committee Statement

Committee Statement: This provides clarification.

Response Message:

Public Input No. 52-NFPA 30-2015 [Section No. 21.2 [Excluding any Sub-Sections]]

National Fire Protection Association Report http://submittals.nfpa.org/TerraViewWeb/ContentFetcher?commentPara...

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WORKING DRAFT OF COMMITTEE MEETING OUTPUT - Flammable and Combustible Liquids Code NFPA 30, Technical Committee on Tank Storage and Piping Systems, September 11, 2015;

SUBJECT TO REVISION - NOT FOR PUBLICATION

Page 1 of 17

First Revision No. 22-NFPA 30-2015 [ Section No. 21.4.1 ]

21.4.1 Materials of Construction.

Tanks shall be of steel or other approved noncombustible material and shall meet the applicable requirements ofin accordance with 21.4.1.1 through 21.4.1.4, or of combustible materials in accordance with 21.4.1.1 and21.4.1.3 through 21.4.1.5 .

21.4.1.1

The materials of construction for tanks and their appurtenances shall be compatible with the liquid to be stored. Incase of doubt about the properties of the liquid to be stored, the supplier, producer of the liquid, or other competentauthority shall be consulted.

21.4.1.2

Tanks shall be permitted to be constructed of combustible materials when approved. Tanks constructed ofcombustible materials shall be limited to any of the following:

(1) Underground installation

(2) Use where required by the properties of the liquid stored

(3) Aboveground storage of Class IIIB liquids in areas not exposed to a spill or leak of Class I or Class II liquid

(4) Storage of Class IIIB liquids inside a building protected by an approved automatic fire-extinguishing system

21.4.1.3

Unlined concrete tanks shall be permitted to be used for storing liquids that have a gravity of 40° API or heavier.Concrete tanks with special linings shall be permitted to be used for other liquids, provided they are designed andconstructed in accordance with recognized engineering standards.

21.4.1.4 3

Tanks shall be permitted to have combustible or noncombustible linings. The selection, specification, and type oflining material and its required thickness shall be based on the properties of the liquid to be stored. When there is achange in the characteristics of the liquid to be stored, the compatibility of the lining and the liquid shall be verified.

21.4.1.5 4

An engineering evaluation shall be made if the specific gravity of the liquid to be stored exceeds that of water or ifthe tank is designed to contain liquids at a liquid temperature below 0°F (-18°C).

21.4.1.5

Tanks shall be permitted to be constructed of combustible materials when approved. Tanks constructed ofcombustible materials shall be limited to any of the following:

(1) Underground installation

(2) Use where required by the properties of the liquid stored

(3) Aboveground storage of Class IIIB liquids in areas not exposed to a spill or leak of Class I or Class II liquid

(4) Storage of Class IIIB liquids inside a building protected by an approved automatic fire-extinguishing system




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Page 2 of 17

Committee Statement

CommitteeStatement:

The FR addresses PI 53 by renumbering the section in a more logical order and by providingclarification as to applicability of subsections.

ResponseMessage:

Public Input No. 53-NFPA 30-2015 [Section No. 21.4.1 [Excluding any Sub-Sections]]


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Page 3 of 17

First Revision No. 11-NFPA 30-2015 [ Section No. 21.4.2.1.1 ]

21.4.2.1.1 *

Atmospheric tanks shall be designed and constructed in accordance with recognized engineering standards.Atmospheric tanks that meet any of the following standards shall be deemed as meeting the requirements of21.4.2.1:

(1) API Specification 12B, Bolted Tanks for Storage of Production Liquids

(2) API Specification 12D, Field Welded Tanks for Storage of Production Liquids

(3) API Specification 12F, Shop Welded Tanks for Storage of Production Liquids

(4) API Standard 650, Welded Steel Tanks for Oil Storage

(5) UL 58, Standard for Steel Underground Tanks for Flammable and Combustible Liquids

(6) ANSI/UL 80, Standard for Steel Tanks for Oil-Burner Fuels and Other Combustible Liquids

(7) ANSI/UL 142, Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids

(8) ANSI/ UL 1316, Standard for Glass-Fiber Reinforced Plastic Underground Storage Tanks for PetroleumProducts, Alcohols, and Alcohol-Gasoline Mixtures

(9) ANSI/UL 1746, Standard for External Corrosion Protection Systems for Steel Underground Storage Tanks

(10) UL 2080, Standard for Fire Resistant Tanks for Flammable and Combustible Liquids

(11) ANSI/UL 2085, Standard for Protected Aboveground Tanks for Flammable and Combustible Liquids




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Submittal Date: Fri Sep 11 12:15:46 EDT 2015

Committee Statement

Committee Statement: This FR corrects the title for API 650 and ANSI/UL 1316.

Response Message:

Public Input No. 54-NFPA 30-2015 [Section No. 21.4.2.1.1]


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Page 4 of 17


21.4.2.1.2

Except as provided for in 21.4.2.1.3 and 21.4.2.1.4 , atmospheric Atmospheric tanks designed and constructedin accordance with Appendix F of API Standard 650, Welded Steel Tanks for Oil Storage, shall be permitted tooperate at pressures from atmospheric to a gauge pressure of 1.0 psi (6.9 kPa). All other tanks shall be limited tooperation from atmospheric to a gauge pressure of 0.5 psi (3.5 kPa) except as permitted in 21 . 4.2.1.3 and21.4.2.1.4 .




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Committee Statement

Committee Statement: This committee-generated FR clarifies the intended application of 21.4.2.1.2.

Response Message:


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Page 5 of 17


21.4.2.1.3

Atmospheric tanks that are not designed and constructed in accordance with Appendix F of API Standard 650,Welded Steel Tanks for Oil Storage, shall be permitted to operate at pressures from atmospheric to a gaugepressure of 1.0 psi (6.9 kPa) only if an engineering analysis is performed to determine that the tank can withstandthe elevated pressure.




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Committee Statement

Committee Statement: This FR corrects the title of API 650.

Response Message:


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Page 6 of 17


21.4.2.2.1

Low-pressure tanks shall be designed and constructed in accordance with recognized engineering standards.Low-pressure tanks that meet either of the following standards shall be deemed as meeting the requirements of21.4.2.2:

(1) API 620, Recommended Rules for the Design and Construction of Large, Welded, Low-Pressure StorageTanks

(2) ASME Code for Unfired Pressure Vessels, Section VIII, Division 1




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Committee Statement

Committee Statement: This FR corrects the title of API 620.

Response Message:



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Page 7 of 17

First Revision No. 7-NFPA 30-2015 [ Section No. 21.6.3 ]

21.6.3 Management of Fire and Explosion Hazards.

The extent of fire and explosion prevention and control procedures and measures provided for tank storagefacilities shall be determined by an engineering evaluation of the installation and operation, followed by theapplication of recognized fire and explosion prevention and process engineering principles. The evaluation shallinclude, but not be limited to, the following:

(1) Analysis of fire and explosion hazards of the facility

(2) Analysis of local conditions, such as exposure to and from adjacent properties, flood potential, or earthquakepotential

(3) Fire Facility, fire department or mutual aid response




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Committee Statement

Committee Statement: Initial response in many facilities is by trained and equipped facility personnel.

Response Message:

Public Input No. 60-NFPA 30-2015 [Section No. 21.6.3]


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Page 8 of 17

First Revision No. 8-NFPA 30-2015 [ Section No. 21.6.5.5 ]

21.6.5.5

Emergency procedures shall be kept available in an operating area. The procedures shall be reviewed andupdated whenever conditions change. (See in accordance with 6.4.2 .)




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Committee Statement

Committee Statement: This FR provides guidance to the user as to what must be reviewed and updated.

Response Message:

Public Input No. 61-NFPA 30-2015 [Section No. 21.6.5.5]


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Page 9 of 17


21.7.4.3.1 * General.

Underground tanks taken out of service or abandoned shall be emptied of liquid, rendered vapor-free, andsafeguarded against trespassing in accordance with this section and in accordance with NFPA 326, Standard forthe Safeguarding of Tanks and Containers for Entry, Cleaning, or Repair, or in accordance with the requirements ofthe authority having jurisdiction. The procedures outlined in this section shall be followed when taking undergroundtanks temporarily out of service, closing them in place permanently, or removing them. (See Annex C foradditional information.)

Supplemental Information

File Name Description

Annex_Material_A.21.7.4.3.1.docx New Annex Material for A.21.7.4.3.1




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Committee Statement

CommitteeStatement:

The committee determined that API 1604 could not be referenced in the body of the code as proposed inPI 62 because it is not entirely written in mandatory language. Therefore, the committee has includedreference to it and to Annex C in a new Annex A item.

ResponseMessage:



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Page 10 of 17

A.21.7.4.3.1 See API 1604, Closure of Underground Petroleum Storage Tanks and Annex C for additional information.

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Page 11 of 17

First Revision No. 25-NFPA 30-2015 [ Section No. 22.4.1.1 ]


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Page 12 of 17

22.4.1.1


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Page 13 of 17

Tanks storing Class I, Class II, or Class IIIA stable liquids whose internal pressure is not permitted to exceed agauge pressure of 2.5 psi (17 kPa) shall be located in accordance with Table 22.4.1.1(a) and Table 22.4.1.1(b).Where tank spacing is based on a weak roof-to-shell seam design, the user shall present evidence certifying suchconstruction to the authority having jurisdiction upon request.

Table 22.4.1.1(a) Location of Aboveground Storage Tanks Storing Stable Liquids — Internal Pressure Not toExceed a Gauge Pressure of 2.5 psi (17 kPa)

Minimum Distance (ft)

Type of Tank Protection

From Property Line ThatIs or Can Be Built Upon,Including the Opposite

Side of a Public Waya

From Nearest Side ofAny Public Way or from

Nearest ImportantBuilding on the Same

Propertya

Floating roofProtection for

exposuresb1⁄2 × diameter of tank 1⁄6 × diameter of tank

NoneDiameter of tank but neednot exceed 175 ft

1⁄6 × diameter of tank

Vertical with weak roof-to-shellseam

Approved foam or

inerting systemc on tanksnot exceeding 150 ft in

diameterd

1⁄2 × diameter of tank 1⁄6 × diameter of tank

Protection for

exposuresb Diameter of tank 1⁄3 × diameter of tank

None2 × diameter of tank butneed not exceed 350 ft

1⁄3 × diameter of tank

Horizontal and vertical tankswith emergency relief ventingto limit pressures to 2.5 psi(gauge pressure of 17 kPa)

Approved inerting

systemb c on the tankor approved foam systemon vertical tanks

1⁄2 × value in Table22.4.1.1(b)


Protection for

exposuresb Value in Table 22.4.1.1(b) Value in Table 22.4.1.1(b)

None2 × value in Table22.4.1.1(b)

Value in Table 22.4.1.1(b)

Protected aboveground tank None1⁄2 × value in Table22.4.1.1(b)


For SI units, 1 ft = 0.3 m.

aThe minimum distance cannot be less than 5 ft (1.5 m).

bSee definition 3.3.46, Protection for Exposures.

cSee NFPA 69, Standard on Explosion Prevention Systems.

dFor tanks over 150 ft (45 m) in diameter, use “Protection for Exposures” or “None,” as applicable.

Table 22.4.1.1(b) Reference Table for Use with Tables 22.4.1.1(a), 22.4.1.3, and 22.4.1.5


TankCapacity

(gal)

From Property Line that Is or Can Be BuiltUpon, Including the Opposite Side of a

Public Way

From Nearest Side of Any Public Way or fromNearest Important Building on the Same

Property

275 or less 5 5

276 to 750 10 5

751 to 12,000 15 5

12,001 to30,000

20 5

30,001 to50,000

30 10


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Page 14 of 17


TankCapacity

(gal)

From Property Line that Is or Can Be BuiltUpon, Including the Opposite Side of a

Public Way

From Nearest Side of Any Public Way or fromNearest Important Building on the Same

Property

50,001 to100,000

50 15

100,001 to500,000

80 25

500,001 to1,000,000

100 35

1,000,001 to2,000,000

135 45

2,000,001 to3,000,000

165 55

3,000,001 ormore

175 60

For SI units, 1 ft = 0.3 m; 1 gal = 3.8 L.




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Committee Statement

CommitteeStatement:

In the row for horizontal/vertical tanks with emergency relief venting, the footnote reference forapproved inerting system has been corrected.

ResponseMessage:


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Page 15 of 17

First Revision No. 15-NFPA 30-2015 [ Section No. C.4.3 ]

C.4.3

Prepare a safe workplace by following the special safety precautions and cleaning and closure procedures in eitherof the following documents:

(1) API 1604, Removal and Disposal Closure of Used Underground Petroleum Storage Tanks

(2) NEIWPCC, Tank Closure Without Tears: An Inspector’s Safety Guide




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Committee Statement

Committee Statement: Title of reference document has been corrected.

Response Message:

Public Input No. 63-NFPA 30-2015 [Section No. C.4.3]


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Page 16 of 17

First Revision No. 16-NFPA 30-2015 [ Section No. C.8 ]

C.8 Resources.

Other resources to check for information related to safety during tank closure include the following:

(1) API 1604, Removal and Disposal Closure of Used Underground Petroleum Storage Tanks

(2) API 1631, Interior Lining of Underground Storage Tanks

(3) API 2015, Cleaning Petroleum Storage Tanks

(4) API 2217A, Guidelines for Work in Inert Confined Spaces in the Petroleum Industry

(5) API 2219, Safe Operating Guidelines for Vacuum Trucks in Petroleum Service

(6) OSHA 2226, Excavation and Trenching Operations

(7) NIOSH, Criteria for Recommended Standard for Working in Confined Spaces

(8) NIOSH 87–113, A Guide to Safety in Confined Spaces

(9) NFPA 69, Standard on Explosion Prevention Systems (table with minimum oxygen levels necessary tosupport combustion for various products)

(10) NFPA 77, Recommended Practice on Static Electricity

(11) NFPA 326, Standard for the Safeguarding of Tanks and Containers for Entry, Cleaning, or Repair

(12) NFPA 306, Standard for the Control of Gas Hazards on Vessels (practical procedures for vapor-freeing tanksand testing guidance)

(13) NEIWPCC, Tank Closure Without Tears: An Inspector’s Safety Guide




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Committee Statement

Committee Statement: Title of reference document has been corrected.

Response Message:

Public Input No. 64-NFPA 30-2015 [Section No. C.8]


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Page 17 of 17

Documents

WORKING DRAFT OF COMMITTEE MEETING … DRAFT OF COMMITTEE MEETING OUTPUT CONTENT NOT FINAL –SUBJECT TO REVISION PRIOR TO LETTER BALLOT AND PUBLICATION OF FIRST DRAFT REPORT Document: