ML20094H464

Proposed Eddleman Exhibits on Contention 116 Re Fire Protection.Certificate of Svc Encl

ML20094H464
Person / Time
Site:	Harris
Issue date:	08/09/1984
From:	Eddleman W EDDLEMAN, W.
To:
References
82-468-01-OL, 82-468-1-OL, OL, NUDOCS 8408140002
Download: ML20094H464 (33)

Text

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UNITED STATES OF AMERICA August 9, 1984 NUCLEAR REGULATOBY COMMISSION ,

~UYs[G BEPOEE THE Glenn A'!OMIC SAFETY AND LICENSING BOAEh4 A6013 O. Bright 0.47 Dr. James H. Carpenter W-James L. Kelley, Chairman j 00Clihg; In the Matter of

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CAROLINA POWER AND LIGHT CO. et al. )

(Shearon Harris Nuclear Power Plant, )

Unit 1) ) ASLBP No. 82-h66-Ol

) OL Proposed Wells Eddleman Exhibits on Contention 116 As my case in chief on this con tention, I am herewith filing the following Exhibits:

116-1*: National Fire Protection Assn. NFPA-31 re oil Burning Equipment, including section 2-4 Installation of Enclosed Supply Tanks Inside Buid1 dings; 116-2: NFPA-30 Table of Contentions re Flammable and Combustible Liquids.

116-3: NFPA-30 pp 8,9,12,13,14,15 Definitions 116-4: NFPA-30 pp 16,17,18,19,30,31-35,38-39,40-45 re Tank Storage 116-5: NFPA-30 pp 68-75 re industrial plants where use of l

liquids is incidental to the principal business.

116-6: NFPA-30 pp 78-79, Bulk Plants and Terminals, re storage in Buildings (sec. 6-2); Sec. 6-1 re storage.

116-7: NFPA-300 pp 88-89 and 106-107 distinguishing bervice Stations and Processing Plants (definitions) 116-8; NFPA-30 Appendix C re information and recommendations forstorageofflammableandcombustibleliouids.[.g/gf g hf(((4/2 B408140002 840809 l s" f P _ " #8# . _ _ _ _ _ -- - _ _ _ _ _ . _

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I l CONTENTS 31-3 5

i .SE" .".v . s Contents

' c,]L Chapter 1 General Provisions . 31- 5

tJ Committee on Flammable Liquids 1-1 Definition of Terms t ,.-3.. . . 31- 5

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Correlating Committee 1-2 Application and Scope 31-13

^ M *- 1-3 Use of Approved Equipment 31-13

. I *eY Paul C. Lamb CA.hmen i

, S M. i  ; Muna r. neary.t her ry 1-4 General 31-14 n f. g%p%

Natione rim Proccetion A ociatica 1-5 Air for Combustion and Ventilation 31-14 4  ; W* c. E. cas . normie., tae. (rep. Manufac. Captain Wunam R. Rucen.ks. si ate t et t=nne chemanus A.ne.) Michiana. Dept. d State Pdice. Mre Mw. 1-6 DisEosal of Flue Gases 31-20

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c [4"Da**31*M 'g' l;,*l F. o. K ublan. Glidden.Durhee. Dw. af SCM i"*

l-7 Chimneys and Chimney Connectors 31-20

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1-8 Special Ventmg Arrangements 31-23  !

Steven Landen. P.E., Washes Machinery

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c .S.ommer. Emuna crep. Amences Renaarch Petroleum & Enriam-lamutute) 1-9 Electrical Wiring and Equipment 31-23 i c . %,;t**

4 .j N ne.n.e Monser 1-10 Fuel Oil 31-24

' . if*,;,-( Dr. Isse. Cert M aanus. Branddirektor, Munheim. Gwmany f .ff. ,i Chapter 2 Tank Storage 31-25

's .:# p. 2-1 Design and Construction of Tanks 31-25 t A 2-2 Installation of Underground Tanks (Including

. .g. f Tanks Under Buildings) . 31-26 i;' W 2-3 Installation of Unenclosed Supply Tank Inside s 3J g Sectional Committee on Liquid Fuel Burning Equipment Building 31-27 h 2-4 Installation of Enclosed Supply Tanks Inside Dt >N' ,?'

w. J. Smith. ca.e se ,

vader.nto tas tories rae. Buildings 31-29

' '.h Muna r. neory.t w,,.m 2-5 Installation of Outside Aboveground Tanks Not jg National Dre Protection Association Larger Than 660 Gal. 31-31

W. n. Aumaa. American Deuer Mrs. Assa. Rafael J. Nieves. Prince Genesee County

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nre Departmaat 2-6 Installation of Outside Aboveground Tanks Larger *

. n .. cmee E. nas.t. oin nurner Mea. rJeea- R. J. re.rce. Jr., radoetrini Riek taeurere Than 660 Gal. 31-32

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2-7 Supports, Foundations and Anchorage for All

.'.*1 w . s imetedt. American Ine m ace I t t,

"@ A m. B. I Weller. National Oil Jobbers Council Tank Locations 31-41 y .].

,,,,,,,,,,, 2-8 Testing . 31-42 V7 Robert D. Lynch. Emrire State Petroleure . F. E. Rademacher, Industrial Risk taeurero 2-9 Special Situations 31-43

- Q ? (Alternate to Uurton L. Weller) (Alternate to P J. Pearce. Jr ) .

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, Nome,tia, Chapter 3 Piping, Pumps and Valves . 31-44

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a.r.ai, es es. e.., en. c...ner,. .a. netroe.d en en. e.rc ef en.. ersri a.r.5., ne nn-.4 3-1 Piping Materials and Design 31-44 3-2 Fill and Return Piping 31-45

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.Ye OENEnAL P!tOVIRtONS 31-5

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c. k yf' g 31-4 ott. nuns NO Equ PhtE.Tr lf M i 33 Supply Connections . . . . . . 31-45 hNN 3-4 Vent Piping . . .. . . 31-46 Standard for the Installotion of N 3-5 Pressurized Tank Feed 31-47 l-

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,g 3-6 Oil Gauging .

. 31-47 Oil Burning Equipment NFP A 31 - 197:

3-7 Oil Pumps and Valves 31-47 h .' . M ?JM7;; . . ..

, pf ,f 3-8 Centralized Oil Distribution Systems .. 31-48

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3-9 Oil Distribution Systems for Roof-hfounted or Ceihng-Suspended Oil-Fired Umts . 31-50 Chapter 1 General Pavisions l

"q,m M fi 3-10 Tests of Piping . . . . .. 31-52 1-1 Definition of Terms.

,4 1-1.1 For the purpose of this installation standani, the g.- } ,

Units .

Chapter 4 Installation of Oil Burners and Oil-Fired 31-53 following terms shall be interpreted in accordance with the following H f.; . .

definitions.

- 4-1 General Requirements . . . 31-53 Air IIcater. An indirect. fired appliance intended to supply 1

4-2 Posting of Instructions . 31-53 heated air for space heating and other purposes, but not intended

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for permanent installation.

- h . .d. 4-3 Controls . . 31-54 Antillooding Device. A primary safety control which causes

' ',- ',' ' a 4-4 Requirements for Specific Appliances (Clearances. the flow of fuel to be shut olT upon a rise in fuel level or upon receiv-hiounting, Etc.) . . . 31-56 ing excess fuel, and which operates before the hazardous discharge f fuel can occur.

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4-5 Installation of Outdoor Appliances .. . 31-67 I] Appliarces, Industrial.

Chapter 5 Installation of Heating and Cooking Ap-g (a) Low-Heat Indmtrial Appliance. An industrial appli-

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pliances .. 31-68 ance such as a commercial cooking range, pressing machine boiler

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- 5-1 Kerosene and Oil Stoves and Portable Kerosene at any pressure, bake oven, candy furnace, stereotype furnace, dry-I IIcaters 31-68 ing and curing appliance, and other prccess appliances in which

• 3~I y materials are heated or melted at temperatures (excluding flue-gas

- E' 'l Appendix A . . . . 31-71 temperaturrs) not execeding 600*F. Appliances otherwise classed as y i medmm-heat appliances may be considered as low-heat appliances if not larger than 100 cu ft in size excluding any burner equipment

".i Appendix B . ... . 31-73 and blower compartment. -

31-75 (b) hfedium-llcat Industrial Appliance. An industrial appli.

v 1 Appendix C . ...

ance such as an annealing furnace (glass or metal), charroal furnace, T*- galvanizing furnace, gas prtxtucer, commercial or industrial incin-Appendix D Suggested Prov . mons for a hium. .eipal Or-9 .J dmance . . . . . . 33_77 erator, and steam boiler operating at over 50 psig pressure when such appliance is larger than 100 cu ft in size, and other furnaces A '- classified as medium-heat appli..nces in accordance with nationally Appendix E . ..... 31-80 recognized good practice. Appliances otherwise classed as medium'-

. [dg )'i heat appliances may be considered as low-heat appliances if not

$4 larger than 100 cu ft in size excluding any burner equipment and

.#u h blower compartment.

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TANK STO!! AGE ' 31-25

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.,M 1-10 Fuel Oil. 3 l

%. Chapter 2 Tank Storage 6*YC

. 1-10.1 The grade of fuel oit used in a btxner shall be that y(.%. for which the burr.cr is approved and as stirulated hv the manu- l ' 2-1 Design and Construction of Tanks.

g- ,131 ggg facturer. Cr.mkcase mi or any oil contammg gasoline shall not 1 be used. For use of oil fucis other than tho.,- defined herein, see l 2-1.1 hiaterials.

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J M'd; y 2-1,1.1 Tanks shall be built of steel except as provided in NOTE: The thJ cf Ur,r> writers f.aboreiories Ene stipulates for each

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l burner the grade +.t 4ael oil for whach the but ner is listed.

2-1.1.2 through 2-1.1.5.

- 4 M l' 2-1.1.2 Tanks for underground senice may be built of 1-10.2 whm. heavy oils are used, provision shall be made material other than steel.

, 3 p@,g 4 for maintaining the oii e,t the pccper atomizing temperature. I i t

, y,r T; Automatically operated burn r4 requiring the preheating of oil shall 2-1.1.3 Tanks built of materials cther than steel shall be q .. be arranged so thn no oil can be dePrecred fcr combustion until c'esigned to speciGeatiom embody tng principles reengnized ae ig .h the oil is at a suita!Ae atomizing terupt 4ture. , good engineering esign for the materia! used and natt.Le spreuved

Q- ?l'f by the authority having jurisdiction.

h 1-103 Except as permitted in 1-2.3, na sicam coil operatin-

, c at a pressure greater than 15 lbs per sq in. gage shall be insta!ied  ; 2-1.1.4 Unlined concrete tank.s may be used for above-y,"fQ(.q in an oil tank. When a pressure reducing valve is used to limit the ground or undergrotmd semcc for fuel oils having a gravity of

%e steam pr-ssure 15 psi or less: (a) a triief' valve set at not more than '

40 degrec< API or heavier. Concrete tanks chall be built in accord-ance with sound engineering practice.

, - Qp 5 psi above the normal pressure in the coil shall be provided, and .

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, 9.,Qg (b) provision ; hall be made ~to limit the steam temperature to 2-1.1.5 Tanks may have combustible or noncombustible

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250*F.

,. M/; linings.

,a 7 M !. NOTE: Tank hea'ers which are connected sa that %: condensate or water e

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,.w i is not returned to the boiler are preferred. 2-1.2 Fabrication. ,

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1-10.4 Hot water coils may be installed in oil tanks provided 2-1.2.1 Tanks may be of any shape ne type consistent with y FyN. ; they are connected to indirect heaters and provisions are made to i sound engiacering design. s limit the water temperature to 250'F. ,,

.' ;< ?@T-/i , L i 2-1.2.2 hietal t. inks shall be welded, riveted ar.d caulked,

' 'WU 1-10.5 Electric heaters may be installed in oil tanks provided I

brazed, or bolted, or constructed by use of a combination of these

~ ,, , N".j' j they are equipped with appmved thermostats designed to preven; i methods. Filler metal ur.ed in brazing shali be nonferrous metal or

-y 1 the oil from exceeding its minimum flash point.  ! an alioy having a melting point above 1,000,F and below that cf the 4g , metal j,o,med.

9Qj 1-10.6 When heaters are insta!!cd in an oil tank, provisions i 2-1.23 Tanks shall be used. imder substantially atmm-shall be made to prevent the oil level m the tank from droppmg to

' N. g. a point which exposes the surface of the heater.

i 8 pher.ic pressure and shall be built m accordance w.

standart's of design. Atmospheric tanks may mbeaccordance built ,ith appmm q

,,,,, with:

N.y ' (a) Underwriters Laboratories Inc., Standard for Steel Above- ,

' D m- ) . ground Tants for Flammable and Combustible Liquids, UL 142-1972:  ;

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Standard for Steel Underground Tanks for Flammable and Combustible

[, Liquids, U L 58-1972; or Standard for Steel inside Tanks for Ost-Burner Fuel, UL 80-1974.

'4wl (b) American Petroleum Institute Standard No. 650,

\' Welded Steel Tanksfor OilStorage, Sixth Edition,1977.

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. - :f..~ '.,. y 3I-26. ' TANK FLTORAGE 3I-77 y ort, at:MNING EQtMPstENT nn 2-2.4 Corrosion protection for the tank and its associated 2-1.2.4 Tanks built according to Underwriters Laborato.

Q a%.g.j 4 + ri . buried piping shall be provided by one or more of the following ries Inc. requirements in 2-1.2.3(a) may be used for operating pres. -

methods: (1) use of pmtectise coatings or wrappmgs, (2) cathodic

]M, sures not exceeding 1 psig and shall be limited to 2.5 psig under ,

protection, or (3) corrosion resistant materials of construction.

...-g emergency venting conditions. I l 2-2.5 Underground tanks shall be equipped with an open j

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2-1.2.5 The tank shall be designed mr the maximum static vent or an automatically operated vent, arranged to discharge

-%Y head which will be imposed when the vent or fill pipe is filled with .

'L. oil. The maximum static head so imposed on tanks built in ac. to the open air. Vent openings and vent pipes shall be of ampic cordance with 2-1.2.3(a) shall not exceed 10 psig at the bottom of size to prevent abnormal pressure in the tank during filling but not smaller than the pipe size specified in Table 2-1.

W< ~y' the tank. I

. 2-1.2.6 Pressure tanks if required t, conform to 2-1.2.5 l 7 .j shall be built in accordance with the principles of the ASME Boiler i Table 2-1 y and Pressure Vessels Code, Section Vill Pressure Vessels,1)ivision i 1 or 2,1977 Edition, and Addenda dated Summer 1977 and Winter . A pprox.

. .;~. ,1 Capacity of Tank, Imperial D.iameter of Vent, 1977, Iron Pape Sire U.S. Callons Gallone 500 or less 500 ne less 1% inches Cr 2-2 Installation of Underground Tanks (Including Ta ks 501 to 2,500 1% inches 501 to 3,000 j Under Buildings).  ;

3,00t to 10,000 2,501 to 8,300 2 inches m], N 2-2.1 Only a tank complying with the comtruction provision

• 10,001 to 20,000 R,301 to 16,600 2% inches jj p

of Standard UL 58 [see 2-1.2.J(a)] or as provided in 2-1.2.6 shall be bur,edi underground.

20.001 to 35,000 16.601 to 29,000 3 inches NOTE: Where tanks are filleil by the nie of a pump through tight enumec-n '; 2-2.2 Excavation for underground tanks shall be made with i:nns, a vent pipe not less in sire than the discharge of the pump shall be usert.

~'- due care to avoid undermining of foundations of existing structures. t W Underground tanks or tanks under buildings shall be so located i 3 5., with respect to existing building foundations and supports that the 2-2.6 Except as provided in 3-8.8, all connections to an under-9? i loads carned by the latter cannot be transmitted to the tank. The ground tank shall be made through the top of the tank.

7 distance from any part of a tank storing fuel oil to the nearest wall M of any basement, pit or property line shall be not less than I ft. ,

2-2J An underground tank shall be provided with means for gauging. (See J-6.)

.l-l 2-2.3 An underground tank shall be set on a firm foundation i and surrounded with at least 6 in. of noncorrosive inert materials i 2-3 Installation of Unenclosed Supply Tank Inside Building.

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. such as cican sand, earth or gravel well tamped m place. The tank i shall be placed in the hole with care since dropping or rolling the 2-3.1 An unenclosed supply tank inside of a building shall tank into the hole can break a weld, puncture or damage tha tank conform to the following provisions:

31 '

metal or scrape off the protective coating of coated tanks. A tank 2-3.1.1 A supply tank not larger than 10 gal shall be spc-M' Uj shall be covered with a minimum of 2 ft of carth, or shall be covered with not less than I ft of carth on top of which shall be placed a slab cifically appromt for the purpose.

? of remforced concrete not less than 4 in. thick. When underground l 2-3.1.2 An approved safety can may be used as a storage

.] tanks are, or are likely to be, subjected to trallic, they shall be pro- l tank.

 ; 6 rected against damage from vehicles passing over them by at least f  ;.3.3.3 A ,upply tank larger than 10 gal but not larger 4 3 ft of earth cover, or 18 in, of well-tamped carth, plus 6 in. of rein- l than 660 gal shall meet the construction provisions of Standard

.j forced concrete or 8 in. of asphaltic concrete. When asphaltic or  ! UL 80 [sre 2-1.2.J(a)], or as provided in 2-1.2.5.

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- reinforced concrete paving is used as part of the protection, it shall l 2-3.1.4 A supply tank shall be of such s.ize and shape that

'M extend at least I ft horizontally beyond the outline of the tank in all i d directions.  ;

it can be intralled in and removed from the buildmg as a umt.

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31-28 c:1. BtTANING FQtHMtENT l

'FA NK BTORAGE 3I-29

'h.*.,3,h 2-3.2 The size and location cf u.: enclosed tanks inside of any  ! 2-3.9 A supply tank provided with fill and vent pipes shall

, . .gq building or any one portion of a building separated from ether por- '

be equipped with a gauging device. (See Section 3-6.)

PWc / tions by a fire wall shall be in accordance with the following: I kMr%

iv a 2-3.2.1 Not more than six safety cans may be located in any one or more stories of a building. No such safety can shall have an l

2-3.10 Any unused opening in a tank equipped with fill and vent pipes shall be closed vapor ti-ht by a pipe plug or cap screwed UP tightly.

9Mf $1 individual capacity exceeding 5 gal.

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% 2-3.2.2 A supply or storage tank located above the lowest 2-3.10.1 Two supply tanks connected to the same burner story, cellar or basement shall not exceed 60 gal capacity and the l as permitted by 2-3.2.3 may be cross-connected and provided with t ' d' I S'ij total capacity of tanks so located shall not em :-d 60 gal. a single fill and a single vent pipe as described in Appendix A.

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t ff! S ' . i 2-3.2.3 A supply tank shall be not large- than 660 gal. Not i

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td f W! 9 more than one 660-gal tank or two tanks of aggregate capacity of j 2-4 Installation of Enclosed Supply Tanks Inn.de Buildings.

660 gal or less shall be connected to oil-burning appliances and the j.MtM p aggregate capacity of such tanks mstalled m the lowest story, cellar, 2-4.1 A supply tank larger than 660-gal capacity shall be enclosed when installed inside of a building.

wdQ l or casement of a building ar.d unenclosed shall not exceed 1,320 Mpp gal, unless separation is provided for each 660 gal of tank capacity. 2-4.2 Tankage inside of a bmlding in excess of that permitted JiWp @hg Such separation shall consist of an unpierced masonry wall or  ;

in unenclosed tanks by 2-3.2.3 shall oc enclosed.

yg partition extending from the lowest floor to the ceiling above. the ,

h tank or tanks and shall have a fire irsistance rating of not less than 2-4.3 Regardless of enclosure, a supply or storage tank located n (,.;@g'} w ,

2 hrs. See Appendix A, Figure A-3 for further details.

(' abose the lowest story, cellar, or basement shall not exceed 60-gal 2-3.3 An unenclosed supply tank not larger than 10 gal capacity and the total capacity of tanks so located shall not exceed ip(EMd[ .h' ;Mf shall be placed not less than 2 ft horizontally from any source of heat either in or externel to the appliance being served but in any l 60 gal.

. c '* A case shall be located so that the temperature of the oil in the tank i 2-4.4 Only a tank meeting the constmction provisions of UF0 g" will not exceed 25'F above room temperature.  ; Standards UL 58 and UI. 80 [rre ?-1.2.J(a)], or as provided m 2-1.2.6, shall be mstalled enclosed mside of a buildmg.

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a 4 s y 'j f0 F 2-3.4 An unenclosed supply tank larger than 10 gal shall be placed not less than 5 ft from any fire or flame either in or 2-4.5 Enclosed tanks in buildings shall be in accordance with

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9 external to any fuel-burning appliance, nor shall such a tank obstruct the following:

Y.M,b? quick and safe access to any utility service meters, switch panels  ;

'. : 4 M .h h and shutoff valves. ,

-4.5.1 In buildings of other than fire-resistive construction the gross capacity of the tank (s) shall be not more than 10,000 gal.

?F. - 2-3.5. An unenclosed supply tank shall be securely supported by rigid noncombustible supports to prevent settling, sliding or 2-4.5.2 In buildings of fire-resistive construction the gross

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(Wh' mv lifting. capacity of the tank (s) shall be not more than 15,000 gal.

, g4; 2-3.6 When a supply tank larger than 10-gal capacity is 2-4.5.3 The enclosure for tanks in 2-4.5.1 and 2-4.5.2 shall "M@,

provided with an opening in the lettom for use as a burner supply connection or as a drain, the tank shall be pitched toward the open-include walls, a floor and a top and be fermed from walls, partitions, I floors or floor. ceiling assemblics having a fire resistance rating of Ay ing with a slope of not less than % in. per ft oflength.

not Irss than 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> with the walls bonded to the floor. If the walls

!I 2-3.7 A shutoff valve shall Le provided immediately adjacent f such enclosure extend to and are bonded to the undeiside of a db 4 to the burner supply connection at the bottom of a supply tank. concrete flooc or roof which has a fire resistance ratmg of not less yW than 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />, a separate top is not required for the tank enclosure.

.O W, 2-3.8 A supply tank larger than 10-gal c.:pacity shall be i

' " M. , provided with an open vent pipe not smaller than the pipe size Exception: The gross capacity of tanks may not be more than 50,000 4 21

~N' s specified in Table 2-1 and a fill pipe, both terminating outside I in any buildmg troerded: -

'f , the building. , (a) The indiridual capacity of any tank is not more than 25,000 gal.

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ag h 31-30 OIL DURNING EQUIP 1 TENT TANK STORAGE 31-31 a * ./cN [ (b) The tank (s) are in an enclosure having walls, a foor and a top, 2-4.11 An enclosed supply tank shall be provided with a u 4deGt and constructed of asser:iblier having afre resistance rating of not less than gaugmg device. (See Sectwn J-6.)

{. / f,W M gV 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> with walls bonded to thefloor.

J . S'? 1 (c) The tank enclosure is located in a room or area of the building cut of 2-5 Installation of Outside Aboveground Tanks Not Larger

-' 'Ql;;p ver:ically and horizontally from other areas and foors of the building by gy,, ggg g,g, assemblies han.ng a fre renstance ratetg of not less than 2 hr. Access snto M the room shall be by an opening protected with a self-closing listed 3-hr f:3 d:y %@f

y Ef p (Class A) fre door. Fire doors shall be installed in accordance with NFPA 80, Standard for Fire Doors and Windews. The top and walls of the 1

I t ah.2-5.1 The provisions zed oil distribution of Sectney systems. 2-5J-8.)

(See arction do not apply to cen-y tank enclosure shall be independent of the building construction except that an a.Q 7, y:d exterior building wall hanng a fre resistance rating of not less than 3 hr 2-5.2 Tankage not in excess of that permitted by 2-3.2 may g ,, may serre also as a wall of the tank enclosure. be installed outside aboveground in a bmit-up area. The tanks Mf d2 1 may be adjacent to buildings but the distance to the line of adjoin-ing property shall be in accordance with Table 2-2. Such tanks y nj 2-4.G The tank shall be supported at least 4 in. above the floor shall be suitably protected from the weather and from physical by masonry saddles at least 12 in. thick, spaced not more than 8 ft damage incident to outside use. The tanks shall not block normal

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YgI.t . on centers and extending the full width of the tank. At least 15-in. means of egress.

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~%%-MA clearance shall be provided between the tank and the top and walls of the tank enclosure for the purpose of inspection and repair.

r. rl 2-5.5 A tank not larger than 60-gal capacity may be a DOT-5

@ @@ {

l Shipping Container (drum), and so mmked, a listed safety can, or a tank meeting the provisions of Standard UL 80 [see 2-1.2.J(a)], or 2-4.7 All unnei.: ions to an enclosed supply tank having a f[ ^. $i dY

. . f' '

capacity of more than 660 gal shall be made through the top of the tank, and the transfer of oil shall be by pump only and through con-as provided m 2-1.2.6.

q 8, tinuous piping to and from the consuming appliances. 2-5.4 A tank other than a DOT-5 Shipping Container hav-N,3& q#l

> t ing a capacity of not more than 660 gal shall meet the provisions of Standard UL 80 [see 2-1.2.J(a)l, or as provided in 2-1.2.6.

2-4.8 Each tank enclosure shall be provided with an opening y?

D A' y y;[!@e k

protected by a self-closing listed 3-hr (Class A) fire door and a non-

- t-combustible liquid-tight sill or ramp at least 6 in. high. Fire doori 2-5.5 Not more than one 660-gal tank or two tanks of aggregate

..M1'3 shall be installed in accordance with NFPA 80, Standard for Fir, capacity of 660 galor less shall beconnected to oil-burning appliances.

@ Dcors ani Windows. If th(. :ill or ramp is more than 6 in. high, the i V @f p walls to a height corresponding to the level of oil that will be i 2-5.6 Two supply tanks connected to the same burner as

,;jdg retamed shall be built to withstand the lateral pressure due to the permitted by 2-5.5 above may be cmss-connected and provided g hquid head, with a single fill and a single vent as described in Appendix A but

'k when so connected they shall be on a common slab and rigidly i-M'

.,7 o 2-4.9 Provision shall be made for adequate ventilation of secured, one to the other.

such enclosures prior to entering for inspection or repair of tanks.

' y@ 2-5.7 Tanks having a capacity of 660 gal orless shall be securely M

i supported by rigid noncombustible supports to prevent setthng, 2-4.10 An enclosed supply tank shall be equipped with an  ! sliding or lifting.

- ' [91,/* M open vent or an automatically operated vent, terminating out- I g

,. .p*

s'ide the building. Vent openings and vent pipes shall be of ample size to prevent abnormal, pressure m ,the tank during fillmg but i 2-5.8 The filling of a portable container fmm a storage tank

7. ,,f g,% larger than 60 gal shall be by means of a hand pump only.

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not smaller than the pipe size specified m Table 2-1.

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ruMMABLE AND COMBUsDB12 UQUm5 CODE CONUNrs 30-5 ,

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,'.L. Chapter 5 ' Industrial Plants. . . . . . . . . . . . . . . . . . . . . . . . . 30- 69 ,

g M) a$w . '

5-1 Scope. . .30- 69 5*. 'W k. s 1 9 Contents

.30- 69 '!

52 IncidentalStorageor Uscof Liquids . .

Il/ 's 5-3 Unit Physical Operations. ,, . . .30 70 l Chapter l General P rovisions . . . . . . . . . . . . . . . . . . . . . . . . 30- 7 Tank Vehicle and Tank Car Loading and Unloading 30- 72 Q k1 QDbd I '.

5-4 l

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11 Scopeand Application .. .. ............

I-2 Defmitions .. ... . .. .... .

. 30- 7

... 30- 9 5-5 Fire Control ,

. . .30- 72

.30- 73 56 Sources of lgm, tion .

8 M l k y' 13 Storage.. ...... . ....... . . ... ..... . 33-16 .30- 73 +

W 1-4 Pressure Vessel . . . . . . .. 30-16 5-7 Electrical Equipment. .

5-8 Repairs to Equipment . .30- 74 j f , ,J g jlgy* l 15 Exi ts . . . . . . . . . . . . . . . . . . . . . . . . . . .30-16 59 llousekeeping . . .30 74 a . T. .- (

- d ( pp h 3 'I Chapter 2 Ta nk Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30- 17 21 Design and Construction of Tanks . . . . . . . . . . . . 30-17 Chapter 6 Bulk Plants . . . . . . ...... . ........... 30- 78 L p. i 2-2 Installation of Outside Aboveground Tanks . . . . . . .30-19 61 Storage . . .30- 78

) M($g ;ffj 23 Installation of Underground Tanks . .. . . . . 30-35 62 Buildings .30- 78 4 2-4 Installation of Tanks inside of Buildings . . ... . 30-39 . .30- 79 63 Loading and Unloading Facilities J M. o. T ' bp 2-5 Supports, Foundations and Anchorage for All Tank 64 Wharves .30- 81 f.I b d d b 'i Locations . . . .. . .. ... . . .30-40 6-5 Electrical Equipment .

.30- 81 26 Sources of lgnition . . . ..... .. .. . .

/<J {

. . . 30-43 f? @ ' l .30-43 6-6 Sources of lgnition . .30- 81 27 Testing . ....... ...

.30- 88 67 Drainage and Waste Disposal .

34 - g%,. 3 2-8 Fire Protection and Identification . . . . 30-44

.30- 88 g "1 f  % t 2-9 Prevention of Overfilling of Tanks . . . . ...... 30-44 68 Fire Control p, (.j 210 Leakage Detection and Inventory Records for g j UndergroundTanks . . . . . ... ..... . . 30-45 I Chapter 7 Service Stations . . ...................... 30- 89

.30 89 N '",y Chapter 3 Piping, Valves and Fittings . . . . . . . . . . . . . . . . . 30-46 7-3 SCOPE.

72 Storage . .30- 89

>- 9 3-1 General . . . . . ........ ... ... . . ... 30-46 .30- 91

" 32 Materials for Piping. Valves and Fittings. . ... 30-46 7-3 Piping. Valves and Fittings . ...

N .

7-4 Fuel Dispensing System . .30- 92 3-3 PipeJoints. . ... ... .... .... . . ... .. .30-47 .

(* g 3-4 Supports . . . . ....... ...... ....... . 30-48 7-5 Service Stations Located Inside Buildings . .30- 95

. 30-48 7-6 Electrical Equipment. .30- 97 9 'O i

tl1 1 35 Protection Against Corrosion . . . .... ........

36 Valves . . . . ... . .. . .. . . . .... 30-48 77 Heating Equipment . . . .30- 98 78 Operational Requirements . .30 98 fj 37 Testing . . . . . . ....... .. ................ 30-48 7-9 Sources of Ignition . .30-105 g J .30 105 3 j Chapter 4 Container and Portable Tank Storage . . . . . . . . 30-49 41 Scope......... . .-... . . .... . . . .. 30-49 7 10 Fire Control 4 ,

jr 42 Design, Construction, and Capacity of Containers . .30-49 t

l[ 43 Design. Construction, and Capacity of Storage Chapter 8 Processing Plants . . . . . . . . . . .............30-106 ig i, 8-1 Scope. .30-106 E'. . .

Cabinets . . . . .

-4 ....... . . ... .. ... . 30-51 i

82 Location . . . .. .30-106 p 4-4 Design, Construction, and Operation of Separate .

.30-107 Inside Storage Areas .. .. ... .. 30-52 8-3 Processing Building . . ..

[4 - f lj .30-108 i 4-5 Indoor Storage . . . . . . . . . . . .......... . .. 30-56 8-4 Liquid liandling yl 46 Protection Requirements for Protected Storage of 8-5 Tank Vehicle and Tank Car Loading and Unloading 30-110 86 Fire Control .30-110 g p}egl Liquids . . . . . . . . . .

4-7 Fire Control

... . . ... .. ..... .. 30-62

... 30-65 8-7 Sources of Ignition . .. .

.30-1I1 g .. .. . .. ... ... ....

4-8 Outdoor S torage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-67 .30-115 g;p 88 Ilousekeeping . . . .

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($ ' ) ps T /.,d g.? 9 30 6 rt.AMM ABLE AND eoMBtJmSt.E WQUiDs CODE ,,_ ,

,C.F.N r R,A4. PRoVismNs _ 30 7

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<?y Chapter 9 Refineries, Chemical Plants and Distilleries . 30- 116 Flammable and Combustible Liquids Code b; th'.d

% 9-1 Storage . . . .30 116

.jj d. 9-2 Wharves . . .30-116 NFPA 30-1981 9-3 Location of Process Units .30 116 d .' W M . . . I{,[)Fire:.-Control

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.30-116 Foreword 1h Q.?y%MdC[ A ppe n d i x A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 0 1 18 6- - .M?.

M ' This standard, known as the Flammable and Combustible, Liquids g

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,p 4 gy h A ppe n d i x B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 - 12 4 Code. is r-commended for use as the basis of legal regulations. Its .

A, Ahh A ppe n d ix C . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 12f. provisi ns are intended to reduce the hazard to a, degree consistent with reasonable pubhc safety, without undue mterference with

[

. W /( g of ... public convenience and necessity which requires the use of flam.

l

1. i,.. , M Appendix D . . . . . . . . . . . .. .............. . .30-134 mable and combustible h,qmds. "1 hus, comphance with this standard

'p g ap eg'p does not eliminate all hazard in tbc use of flammable and combusti.

d.rh,f..P O Appendix F.. . . . .. .. ...... ... . . .. . . 30 140

$! ble h,qu,ds.

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Chapter 1 Ceneral Provisions h; .

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[.k N14) p;;p li l-1 Scope and Application. g l-1.1 This code applies to all flammable and cc,mbustible liquids Q'

a.,- J' except those that are solid at 100*F (37.8'C) or above.

t 1 1.2 Requirements for the safe storage and use of the great variety

]3g i of flammable and combustible liquids commonly available depend dj/ .5 1 primarily on their fire characteristics, particularly the flash pomt.

. j, 2

O . /.i which is the basis for ihe several classifications of liquids as de'ined in

.$ gi Section 1-2. It should be noted that the classification of a liquid can f.., g.k he changed by contamination. For example. filling a Class 11 liquid

$y;O 3

' .d into a tank which last contained a Class I liquid can alter its i.-

y p classification. as can exposing a Class Il liquid to the vapors of a Class I liquid sia an interconnecting vapor line (see 2-2.6.4 and g

pt 2 3.3.6). Care shall be exercised in such cases to apply the re-

.s 9

.r g$g quirements appropriate to the actual classification.

j' W3 e N,pf 'l -gh I-1.3 The volatility of liquids is increased by heating. When Class

II or Class lit hquids are heated above their flash points. ventilation  !

p/<g'q' and electrical classification may be necessary in the immediate area. l R8 . y < l-1.4 Additional requirements may be npcessary for the safe g

, gi.h

< storage and use of liquids which have unusual burning 9 Q

sh,b, .h!%

$ch k characteristics. which are subject to self ignition when exposed to ahe air, which are highly reacti e with other substances, which are sub-k'tefgyid ject to explosive decompos(ition, or have other special proper which dictate safeguards o er and above those specified for a normal

j. fp.rd,Mpff liquid of similar flash point classification.

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y $_0-8 FLAMM ARLF. AND CoMRUsTIRLE I.!QUms CODE Cr.Nr.R AL PRoVIMoNs

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,1-1.5 In particular installations the provisions of this code may be 1-1.7.5 Mists, sprays or foams. (Exceptflammable aerosols in con.

h.,. ' . altered at the discretion of the authoiity having jurisdiction after tainers, which are included in Chapter 4.) ,

l

@ consideration of the special features such as topographical condi. '

h j tions. barricades. walls, adequacy of building exits, nature of oc- 1-1.8 Installatiens made in accordance with the applicable re.

capancies, proximity to buildmgs or adjo,m mg property and quirements of standards of the National Fire Protection Association:

g- 0 -

character of construction of such buildings., capacity and construc. NFPA 32. Dry Cleaning Plants: NFPA 33. Spray Application Using i

f tion of proposed tanks and character of hquids to be stored, nature Flammable and Combustible Afaterials: NFPA 34. Dip Tanks Con.

of process, degree of private fire protection to be provided and the taining Flammable or Combrutible Ligurds: NFPA 35. Afanufacture

- 1 adequacy of facilities of the fire department to cope with flammable of Organic Coatings: NFPA 36. Solvent Extraction Plants: NFPA 37 y or combustible hquid fires. Installation and Use ofStationary Combustion Engines and Gas Tur.

sw bines: NFPA 45. Fire Protectionfor laboratories Using Chemicals:

f ,

and NFPA SCC. Laboratories in llealth Related Institutions, shall i ,efy Y l-1.6 Existing plants, equipment, buildings, structures and in.

be deemed to be in compliance with this code.

• f, M stallations for the storage, handling, or use of Hammable or com.

g y7 bustible liquids which are not in strict compliance with the terms of

,, y this code may be continued in use at the discretion of the authority 1-2 Definitions.

fr $(. 3 yj r having junsdiction provided they do not constitute a recognized hazard to life or adjoining property. The existence of a situation Aeront. A material which is dispensed from its container as a ho which might result in an explosion or sudden escalation of a fire, mist spray or foam by a propellant under pressure.

[  :

L ) w g }, such as inadequate ventilation of confined spaces. lack of adequate D supports of Apartment flouse. A building or that portion of a building con.

emergency clevated tanks,venting ofdramage a tank. or failure tomntrol fireproof spi the,lls may con.taining more than two dwelling units.

T Q-b f[~j or lack of stitute such a hazard.

dikes to

w. Approved. Means " acceptable to the authority having jurisdic.

, St . > l 3 h g l-1.7 This code shall not apply to: tion."

ft ' T  %,p; g, S.q 1-1.7.1 Transportation of flammable and combustible liquids. NOTE: The National Fire prnicciion Assariation does not approve, inepert I

f df4 These requirements are contamed m the U.S. Department of n, cenity any in.ianaiinn..d,rmniure.. npiipmeni.theoraccepiabini, materiai nor or d,c.

in ii ap-Jh- Transportation regulations or in NFPA 385 Recommended prove or evaluair teuint I maimiet in acicemining a ,! Regulatory Standard for Tank Vehicles for Flammable arid Com.  ?'* Hat.i<m' or prmntu re.. eriois-ni m mainial. ihe authorit, havine 5

N . . jurmtwtion may haue acreptance on compharue wnh NFpA or other ap-g a

q propriate standantt in the absence or such etandarde, said authoriiv may se

g % %pbustibleE89ulds. quire evidence or proper installation prnredure or use. 'I he authority hasing er an rzanira

,$ .h$1-1.7.2 Storage.

connected withilo, handling burnmg and use equipment. of fuel

~1hese oil tanks and requirements d',i""

are containers

• '7M','",',",',',h',lf,',$"',/*j'("(pra

, , , , , ,9 compi;,nce wiin appropri , ,,na ,a, go is, chr,,n, p,oduciion or s ird

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,  % %$% covered separately in NFPA 31, Standardfor the Installation of Gil Rurning Eguipment.

iirms.

I

.f, Assembly Occupancy. The occupancy or use of a building or ye ,

structure or any portion thereof by a gathering of persons for civic.

P "' , 1-1.7.3 Storage of flammahle and combustible liquids on farms p litical. travel, rehgmus or recreational purposes.

and isolated construction projects. These requirements are covered j

>. - separately in NFPA 395. Standardfor the Storage of Flammable and

, Atmospheric Tank. A storage tank which has been designed to

k. %Q fy Combustible Liquids on Farms and Isolated Construction Projects.

operate at pressures from atmospheric through 0.5 pug.

(!

9#' 1-1.7.4 Liquids without flash points that can be Hammable under e

• hl some conditions. such as certain halogenated hydrocarbons and mix.

tures containing halogenated hydrc, carbons. (See NFPA J21, Basic Authority Having Jucisdiction. The " authority having jurisdiction" is the organization. office or individual responsible for

" approving" equipment, an installation or a procedure.

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Classification of Flammable and Combustible Liquids.)

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N ^"" ' H 30-12 rl AMM ABt.E ann coMBUSTIBI.E UQUIDs CODE Combustible Liquids shall be subdivided as follows:

/M The flash point of a liquid having a viscosity of 45 SUS or more at 'l 100*F (37.8 C) or a flash point of 200'F (93.4*C) or higher shall be Y Class 11 li9 uids shall include those having flash points at or

' i ,{p  ; ,

determmed m accordance with AS FM D.93 73

• Standard Afethod 5

above 100*F (37.8*C) and below 140*F (60oC).

? of Testfor Flash Point by the Pensky Afartens Closed Tester. '

I, Class llI A liquids shall include those having flash points at or lr ,N ,

!1 As an alternate, ASTM D 3243-73T. Standard Afethods of Tests for Flash Point ofAt.iation Turbine Fuels by Setaflash Closed Tester.

' above 140*F (60*C) and below 200*F (93.4*C).

,?

may be used for testing aviation turbine fuels within the scope of this

-  % Class IllB liquids shallinclude those having flash points at or

- %pg77ai procedure. '

above 200*F (93.4'C).

3 As an alternate. ASTM D-3278 73, Standard Afethod of Testsfor

g,3fp g]

4 y M Flash Point of Liquids by Setaflash Closed Tester, may be used for Flammable Liquid. A liquid having a flash point below 100'F g

4x r pamts, enamels, lacquers, varmshes and related products and their (37, goc) and having a vapor pressure not exceedmg 40 pounds per g4 t components having flash pomts between 32'F (O'C) and 230'F '

square inch (absolute) at 100*F (37.8'C) shall be known as a Class I (110 C), and havmg a viscosity lower than 150 stokes at 7 7'F(25'C).

hhgk l liquid.

% m e g; y Class I liquids shall be subdivided as follows:

'h{ -y llotel. Buildings or groups of buildings under the same manage-ment in which there are s!cepmg accommodations for hire, primarily

'q,%2 U by ,

Class IA shall include those having flash points below 73*F WQ@ggh.$ i ed by transients ,who are lodged with or without meals mcluding but not limited to mns, clubs. motels and apartment hotels. (22.8'C) and having a boiling point below 100*F (37.8'C).

Class In shall inclade those having flash points below 73*F (g

h -

Institutional Occupa ncy. The occupancy or use of a building or (22.8*C) and having a boiling point at or above 100*F (37.8'C).

j<

structure or any portion thereof by persons harbored or detained to receive medical, charitable or other care or treatment, or by persons Class IC thall include those having flash points at or above e involuntarily detained.

1 j} 73*F (22.8'C) and below 100*F (37.8'C).

, @ Labeled. Equipment or materials to which has been attached a e u label, symbol or other identifying mark of an organization accep- Unstable (Reactive) Liquid. A liquid which in the pure state table to the " authority hasing jurisdiction" and concerned with pro- or as commercially produced or transported will vigorously p

[ %v }.

7 duct evaluation, that maintains periodic inspection of production of polymerire, decompose, condense, or will become self-reactive under q conditions of shock, p. essure, or temperature.

labeled equipment or materials and by whose labeling the manufac-i turer indicates compliance with appropriate standards or perfor-hygep L ,

Wi W c mance m a specified manner.

Listed. Equipment or materials included i a list published by  ;

N, 'N f }d M ,

Liquid. For the purpose of this code, any material which has a an organization acceptable to the" authority hav7ng jurisdiction" and h, ? , 4 fluidity greater than that of 300 penetration asphalt when tested in concerned with product evaluation, that maintains periodic insgwc-hqy p accordance with ASTM D-5 -7 3 * , Test for Penetration for tion of production of listed equipment or materials and whose hstmg states either that the equipment or material meets appropriate stan.

P'.Qllf ;,; Bituminous Afaterials. When not otherwise identified, the term dards or has been tested and found suitable for use m a specified I

't ,, [$l liquid shall mean both flammable and combustible liquids.

manner.

tg',  ;

,r t e < ,. )1 Combustible Liquid. A liquid having a flash point at or NOTE The means for identifying li-ted equipment may vary for each 3! G above 100'F (37.8'C). organisation concerned with product evaluation, some of which do not f; '-$ A M recognise ceguipment as listed unicu it is alan labeled. The " authority having k e

• " "" "I * "I ""* "

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• Available from American Society for Testing and Materials. 1916 Rece St..

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30-14 rt.AMM Ant.F. AND CoMBUsUnt.F. UQtRDs CODF, Cr.N r.R A1, PROVIstoNs 30 15 te T b Attached Building. A buildin ll peg ;+;..g 3 [ Low Pressure Tank. A storage tank designed to withstand an VW internal pressure above 0.5 psig (3.45 kPa) but not more than 15 psig ! with a building having other type oc'g having only one comm cupancies.

MM >

(103.4 kPa). ]

k 3  ;

Service Stations.

) Dy ) hiercantile Occupancy. The occupancy or use of a building or '

That portion of property where ,

structure or any portion thereof for the displaying, selling or buying . Automotive Serv. ice Stat. ion.

' Qt

,g of goods, wares, or merchandise.

' I.'9". ids used as motor fuels are stored and dispemed from fixed t equipment into the fuel ianks of motor vehicles and shall include any

.O-

1. *. g.sz.g@( Off. ace Occupancy. The occupancy or use of a building or struc-facilities available for the sale and service of tires batteries and ac'-

cessories, and for minor automotive maintenance work. Major '

QP f.. D ig ture or any portion thereof for the transaction of busmess, or the automotive repairs, painting, body and Iender work are excluded.

d rendermg or receivmg of professional services.

Marine Service Station. That portion of a property wherelig-

'k m t Portable Tank. Any closed vessel having a liquid capacity over '

uids used as fuels are stored and dispensed from fixed equipment on shore, piers, wharves. or floating docks into the fuel tanks of self.

g dj h' 60 U.S. gallons (227.1 L) and not intended for fixed installatmn. '

propelled craft. and shall include all facilities used in connection 4' ' Pressure Vessel. Any fired or unfired vessel within the scope of ,

therewith.

@I~' '.h . g sh the applicable seuion of the ASME Boiler and Pressure Vessel Code. Serv. ice Stati n Located Ins.de Build.m gs. That portion of an i

.y- !d available from American Society of Mechanical Engineers. United autmnmive service station located wuhm the perimeter of a building iN N Engineering Center. 345 East 47th St., New York. NY 10017. or building structure that also contams other occupancies. The ser-fp. g*: vice station may be enclosed or partially enclosed by the building h tlgM<.

Protection for Exposures. Fire protection for structures on pro-

) '

walls, floors, ceilings, or partitions or may be open to the outside.

jl perty adjacent to hquid storage. Fire protection for such structures The service siation dispensing area shall mean that area of the service i- shall be acceptable when located (1) withm the unsdiction of any station required for dispensing of fuels to motor vehicles. Dispensing f,g public fire department, or (2) adjacent to plants aving private fire of fuel at manufacturing, assembly, and testing operations is not iri bngades capable of provid,mg cooling water streams on structures on cluded within this definition.

y property adjacent to hquid stor. ige.

f[. 4 3  ;. 3

> Vapor Pressure. The pressure. measured in pounds per square Mg ' 'h,

~

Refinery. A plant in which flammable or combustible liquids inch (ahsolute), exerted by a volatile liquiu as determined by ASTM are produced on a commercial scale from crude petroleum, natural D323 72* Standard Afethod of Test for Vapor Pressure of

?g.g~

ph gg' gasoline, or other hydrocarbon sources. Petroleunt Products (Reid Afethod).

M Q ,e a Vapor Processing Equipment. Those components of a vapor Safety Can. An approved container, of not more than five h j'.N ' ' . 'l" gallons capacity, having a spring closing lid and spout cover and so processmg system which are designed to process vapors or h, quids c pityred dunng filhng operations at service statmns, bulk plants, or Mb;gb./, qesigned t.aat it will safely relieve internal pressure when subjected to tenmnals. ,

p

t. T fire exposure.

2.j ($ ..

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Vapor Processing System. A system designed to capture and p: g.gQ Separate Ins.de Storage Area. A room or building used for the i process vapors displaced during filling operations at service stations.

M We y storage of hquids in containers or portable tanks, separated from hulk plants, or terminals by use of mechanical and/or chemical n, . A N- other types of occupancies. Such areas may mclude: means. Examples are systems using blower. assist for capturing h vapors. and refrigeration, absorption and combdstion systems for

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r Inside Roo,m. A room totally enclosed within a building and processing vapors.

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.y gh hav,mg no extenor walls.

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Cut-Off Room. A room within a building and having at least ggg. ,,

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y p jQ ygf}q one exterior wall. Philadelphia. PA 19103.

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Vapor Recovery System. A system designed to capture and re-tain, without processing, vapors displaced du ing filling operations

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d at service stations, bulk plants, or terminals. Examples are balanced- E' pressure vapor displacement systems and vacuum assist systems ,

[" without vapor processmg. ,

j Ventilation. As specified in this code, ventilation is for the Chapter 2 Tank Storage  !

j. prevention of fire and explosion. It is considered adequate ifit is suf-aW r $, 4y ficient to prevent accumulation of significant quantities of vapor-air xtures m concentration over one fourth of the lower flammable kS O.ypg 2-1 Design and Construction of Tanks.

sPM Ur i Warehouses. 2-1.1 Materials. Tanks shall be designed and built in accordance with recognized good engineering standards for the material of con-8y ' " ;-

General Purpose Warehouse. A separate, detached building struction being used, and shall be of steel with the following limita-

, y k @ [f. or portion of a building used only for warehousing type operations. tions and exceptions:

• . . , .i;fE NOTE: Warehousing operations referred to above are thme operations not (a) The material of tank construction shall be compatible with the

$r,% W accruible to t he public and include general purpose. merchandisc. dm ribution , liquid to be stored in case of doubt about the properties of the liquid

$ and induurial wrehouse-type operatiom. to be stored, the supplier, producer of the liquid, or other competent

> authority sha!I be consulted.

Liquid Warehouse. A separate, detached building or at. , (b) Tanks constructed of combustible materials shall be subject to tached buildm, g used for warehousmg type operations for hquids. the approval of the authority having jurisdiction and limited to:

1-3 Storage. Liquids shall be stored in tanks or in containers in ac- 1. In:tallation underground, or cordance with Chapter 2 or Chapter 4. 2. Use where required by the properties of the liquid stored, or l-4 Pressure Vessel. All new pressure vessels containing liquids 3. Storage of Class IIIB liquids aboveground in areas not expos-shall comply with I 4.1,1-4.2 or 1-4.3, as applicable. ed to a spill or leak of Class I or Class 11 liquid, or l-4.1 Fired pressure vessels shall be designed and constructed in ac. 4. Storage of Class tilB liquids inside a building protected by

, / an approved automatic fire extmguishing system.

j cordance with Section I (Power Boilers) 1971, or Section V!!!, Divi- ,

i sion 1 or Division 2 (Pressure Vessels) 1974, as applicable, of the (c) Unlined concrete tanks may be used for storing liquids having ASME Boiler and Pressure Vessel Codet a gravity of 40 degrees API or heavier. Concrete tanks with special r linings may be used for other services provided the design is in f g 1-4.2 Unfired pressure vessels shall be designed and constructed in accordance with Section VIII, Division 1 or Division 2,1974 of the accordance with sound engmeermg practice.

(d) Tanks may have combustible or noncombustible linings.

(y ( ASME Boiler and Pressure Vessel Codet (e) SPecial engincesing consideration shall be required if the  :

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1-13 Fired and unfired pressure vessels which do not conform to i I 1-4.1 or 1-4.2 may be used provided approval has been obtained '{cc8Iic granty of d tothe hqu,d,to contain hquidsbe at stored excee,ds that a hquid temperature of water below from the state or ot'her governmentaljurisdiction in which they are to h*p'*fy. d,es'.8 C

• y' 9  ; be used. Such pressure vessels are generally referred to as " State l Special."

l-5 Exits. 2-1.2 Fabrication. (

2-1.,2.1 Tanks may be of any shape or type consistent with sound l-5.1 Egress from buildings and areas covered by this code shall be engmeermg design.

in accordance with NFPA 101, 8 the Life Safety Codes. ,,

2-1.2.2 Metal tanks shall be welded, riveted and czulked, or I

4 ', E A,,,lable frorn the Arnerican Society of Mechanical Engineers. United Engineering l Center. 345 East 47th St.. New York NY 10017. bolted, Or constructed by use of a combination of these methods.

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j 4 T l y~ TANK sTOlt Act 30 19 30,}8 rt.AMM Ant.r. ann coM nusT st.r. t.sqvms conr. j _

M, {[.) 2-1.3 Atmospheric Tanks. l (b) The principles of the Codefor Unfired Pressure Vessels. Sec.

2-1.3.1 Atmospheric tanks shall be built in accordance with I 'I " YIII . Division I of the ASME Boiler and Pressure Fessels Code, 1974 Edition'.

recognized standards of design. Atmospheric tanks may be built and l W

, used within the scopes of the following: 2-1.4.3 Tanks built according to Underwn.ters . Laboratories Inc. [

4 requirements in 21.3.1 may be used for operating pressures not ex-(a) Underwriters Laboratories Inc.. Standard for Steel ccedmg 1 psig (6.895 kPa) and shall he limited to 2.5 ps:g (17.24 q I i

Aboteground Tanks for Flammeble and Combustible Liquids. kPa) under emergency venting conditions.

,. ULl42 - 1972; Standardfor Steel Underground Tanks for Flam.

rnable and Combustible Liquids. UL58 - 1976; or Standard for f 2-1.4.4 Pressure vessels may be used as low pressure tanks. t SteelInside Tanksfor Oil Burner Fuel. UL80 - 1974..

(b) American Petroleum Institute Standard No. 650, Irelded ! 2-1.5 Pressure Vessels.

Steel Tanksfor Oil Stcrage. Sixth Edition,1978.' i a . j 2-1.5.1 The normal operating pressure of the vessel shall not ex.

, (c) American Petroleum Institute Spec.fications i 12B. Bolted i ceed the design pressure of the vessel.

Tanksfor Storage of Production Ltqurds. Twelfth Ed,tson. n January ,

,.y 1977 " : 12D. Field Irelded Tanks for Storage of Production Li.  ;

2-1.5.2 Storage tanks designed to withstand pressures above 15 psig quads. Eighth Editmn, January 1977"; or 12F. Shop IVelded Tank.s i

shall meet the requirements of Section 14.

for Storage of Production Arquids. Seventh Edition, january 1977". l j (d) Stect Tank Institute Standard No. STI.P3. Speerfication for 2-1.6 Provisions for Internal Corrouon. ) i y p STI-P3 System of Corrosion Protection of Underground Steel Storage 2't.6.1 When tanks are not designed in accordance with the 4 . . , 3 Ta n ks. 1980'" . i American Petroleum Institute. American Society of Mechanical r f*b I i Engineers or the Underwriters Laboratories Inc. Standards. or if cor- i l 2-1.3.2 , Low pressure tanks and pressure vessels may be used as at- rosion is anticipated beyond that provided for in the design formtdas i' l .  ; mospheric tanks. used, additional metal thickness or suitable protective coatings or ,

i I '

linings shall be provided to compensate for the corrosion loss ex- -

2-1 U l A tmosnher.ic tanks -hall not be used for the stnrace of a liq. pected during the design life of the tank.  !

utd at a temperature at or above its hoiline point. <

4 2-2 Installation of Outside Aboveground Tanks. '

.i 2-1.4 Low Pressure Tanks. i (4 2-2.1 Location With Respect to Property Lines, Public Ways and I

y L'

)g 2-1.4.1 The normal operating pressure of the tank shall not exceed the deu,gn pressure of the tank.

Important Buildings on the Same Property.

gg g and atose liquids g

F 2-1.4.2 Low pressure tanks shall be built in accordance with or with Class Ill Acharactenst boil over liquids. except es and asumtable providedhquiin 2 2.1.2,ds, ope rating at c

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recognized standards of design. Low pressure tanks may be built in accordance with:

pressures not m excess of 2.5 psig (17.24 kPa) and designed wnh a d weak roof to shell scam or equipped with emergency ventmg dev,ces i i

[1 which will not permit presuires to exceed 2.5 psig (17.24 kPa). shall (a) American Petroleum Institute Standard No. 620. Recom. be located m accordance w,ith *1 able 2-1.

he? m' mended Rulesfor the Design and Construction of Large, IVelded, (jW t Low. Pressure Storage Tanks. Fifth Edition.1973." (a) For the purpose of Section 2 2 a floating roof tank is defined W'

t as one which incorporates either: s

1. A pontoon or double deck metal floating roofin an open top t

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• Asaitahic from Underwriters t.aboratories Inc. 333 Pfinguen Rd.. Northbmok. IL h

)f 60062. g,

• • Available from America Pettnicum Ingiitute. 2101 L St.. N.W.. Washinginn. DC f )

20 W . syy,.labic from the American Safety of Mechanical Engineers tJnited Engineering l

• • • Available from Steel Tank Institute. 666 Dundee Rd. Northbronk. IL 60062. Centes. 345 East 47th St. New York. NY 10017.

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ki 8 30,30 Ft.AMMABt.E AND COMBUST!B1.E UQUms CODE TANK sToRACE 30-31 2-2.4.7 Flame arresters or venting devices required in 2-2.4.6 may Table 2-s j be omitted for IB and IC liquids where conditions are such that their wett: 1 Area Versus Cubic Teet Free Air per Hour' use may, in case of obstruction, result in tank damage. Liquid pro- (14.7 psia and 60' F)(101.3 kPa and 15.6 C) ,

perties justifying the omission of such devices include, but are not L.

limited to, condensation. corrosiveness, crystallization, polymeriza- -

J '

tion, freezing or plugging. When any of these conditions exist, con. Sq. Ft. CFH Sg. Ft. CFH Sg Ft. CFH sideration may be given to heating, e e of devices employing special s, I, 2m 21s p 1p 524 p materials of construction, the use of liquid seals, or inerting (see 20 21.100 p

' 'sn NFPA 69, Standard on Explosion Prevention Systems). 0

','y l *&$ $ &*,*noo 50 52,700 350 288.000 1.600 614.C00 60 63,200 400 312,000 1,800 639,000

• 70 73,700 500 354,000 2,000 662,000 2-2.5 Ernergency Relief Venting for Fire Exposure for so s4,200 60c 392.000 2,400 704.000 Aboveground Tanks, 90 94,s00 7m 42s p 2.sm 742 p 100 105,000 800 462,000 and over 2-2.5.1 Except as provided in 2-2.5.2, every aboveground storage ' ,,$

tank shall have some form of construction or device that will reheve N$ iQU" $3'$, r 160 168.000 excessive internal pressure caused by exposure fires. 180 100,0m

, 200 211,000 2-2.5.2 Tanks larger than 12,000 gal (45,420 L) capacity storing si unia: I sq fi - 0.0929 sq m: I cu f: - 0 02832 cu m.

i p Class IIIB liquids and not within the diked area or the drainage path .interpotate inr intern,ediate values.

k of Class I or Class 11 hquids do not require emergency relief ventmg. g 2-2.5.3 In a vertical tank the construction referred to in 2-2.5.1 L may take the form of a floating roof, lifter roof, a weak roof-to-shell Table 2-9 "

scam, or other approved pressure relieving construction. The weak Wetted Aren Over 2,800 sq ft and Pressures Over 1 psig roof to shell seam shall tie constructed to fail preferennal to any ,

other seam.

Sq. Ft. CTII Sq. Tt. CTII 2-2.5.4 Where entire dependence for emergency relief is placed 2,800 742,090 9,000 1,930,000 7 0m l upon pressure relieving devices, the total venting capacity of both 3j0j 2Q;999  ; ;

i normal and emergency vents shall be enough to prevent rupture of 3Qmo Q@m 20,000 3,720,000 4,oon 995,000 the shell or bottom of the tank if vertical, or of the shell or heads if L 4,500 1,100,000 25.000 4,470,000 f horizontal. If unstable liquids are stored.,the effects of heat or gas resulting from polymettration, decomposition, condensation, or self.

5,000 j(go.0W 30g '

y9yg g

000 570,000 40,000 6,570,000 l

[ reachvity shall be taken into account. The total capacity of both nor- s,000 1,760,000 mal and emergency venting devices shall be not less than that derived from Table 2 8 except as provided in 2-2.5.6 or 2 2.5.7. Such device SI Units: I sq ft = 0.0929 sq m; I cu it = 0.02832 cu m.

,, may be a self-closing manhole cover, or one using long bolts that per.

4 .

mit the cover to lift under internal pressure, or n additional or

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larger relief valve or valves. The wetted area of the tank shall be calculated on the basis of 55 percent of the total exposed area of a L

F I sphere or spheroid,75 percent of the total exposed area of a horizon. ~

,  ! tal t::nk and the first 30 ft (9.1 m) abovegrade of the exposed shell area of a vertical tank. (See Appendix A for the squarefootage of n typical tank sizes.)

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30732 FLAMM Am&A ND COMBt!sTJRM t.IQUIDs coDF. 1 ANM, sTOR ACF. 30 33

' W 2-2.5.5 For tanks and storage vessels designed for pressures over 1 3. Maintain a maximum conductance value of 4.0 Btu's per Y

I psig (6.895 kPa) the total rate of venting shall be determined in ac.

cordance with Table 2 8. except that when the exposed wetted area hour per s mare foot per degree F (Btu /hr/sq ft/'F) when the outer insulation (acket or cover is at a temperature of 1.660*F (904.4*C)

( >

] of the surface is greater than 2.800 sq ft (260 m') the total rate of and when the mean temperature of the insulation is 1.000'F

venting shall be in accordance with Table 2 9 or calculated by the (537.8 'C). -

following formula: E CFil = 1.107 A"3 2-2.5.8 The outlet of all vents and vent drains on tanks crjuipped t p Where: with emergency venting to peimit piessures exceeding 2.5 psig (17.2  ;

4 kPa) shall be arranged to discharge in such a way as to prevent E CFil = venting requirement, in cubic feet of free air per hour localized overheating of or flame impingement on any part of the r A = exposed wetted surface, in square feet tank, in the event vapors from such vents are ignited.

The foregoing formula is based o, Q = 21.000 A "3 P 2-2.5.9 Each commercial tank venting dev. ice shall have stamped ,

2-2.5.6 The total emergency relief venting capacity for any specific n it the opening pressure. the pressure at which the valve reaches

, 3 stable liquid can be determined by the following formula: the full open pmition and the now capacity at the latter presmre. II i the start to open pressure is less than 2.5 ps,g i (17.2 kPa) and the

'& > pressure at full open position is greater than 2.5 psig (17.2 kPa). the 1 Cubic feet of free air per hour = V 1,3372-

- i flow capacity at 2.5 psig (17.2 kPa) shall also be stamped on the vent-

. j l'IEI ing device. The flow capacity shall be expressed in cubic Icet per V = cubic feet of free air per hour from Table 2 8 hour of air at 60*F (15.6 C) and 14.7 psia (101.3 kPa).

. L = latent heat of vaporization of specific liquid in I tu per (a) The now capacity of tank venting devices under 8 in. (203.2 f

pound mm)in nominal pipe site shall he determined by actual test of each >

M = molecular weight of specific liquids type and sire of vent. These now tests may be conducted by the manufacturer if certified by a qualified impartial observer, or may 2-2.5.7 For tanks containing stahic liquids, the required airflow he conducted by a qualified, impartial outside agency. The flow 5

rate of 2 2.5.4 or 2 2.5.6 may be multiplied by the appropriate fac. capacity of tank venting devices 8 in. (203.2 mm) nominal pipe sire g tor listed in the following schedule when protection is provided as in, and larger, including manhole covers with long bolts or equivalent, m dicated. Only one factor can be used for any one tank, may be calculated provided that the opening pressure is actually

.5 measured, the rating pressure and corresponding free orifice area are g for dra. mage in accordance with 2 2.3.2 for tanks over 200 sq stated, the word " calculated" appears on the nameplate, and the [

g  ; ft (18.6 m') of wetted area computation is based on a flow coefficient of 0.5 applied to the rated -

). .3 for water spray in accordance with NFPA 15. Standard for rifice area. I

^

IVater Spray Fixed Systemsfor Fire Protection, and drainage in ac. (b) A suitable formula for this calculation is:

, cordance with 2 2.3.2 CFli - 1,667 C: A VP P.

- !j ,.

3 for insulation in accordance with 2 2.5.7(a) '

where CFH - venting requirement in cubic feet of free air per d .15 for water spray with ir.sulation in accordance with 2 2.5.7(a) hour

[

and drainage in accordance with 2-2.3.2 (see Appendix A) '

"' C - 0.5 [the flow coefTicient] -

(a) Insulation systems for which credit is taken shall meet the A - the orifice area in sq in.

h following performance criteria:

Ps - the absolute pressure inside the tank in inches of k 1. Remam m place under fire exposure cond. .itions, water i

2. Withstand dislodgment when subjected to hose stream imp.

P. - t.he. absolute atmosP heric Pressure oMside the tank i mgement durmg fire exposure. 'Ihis requirement may be wa,ived ,

T j where use of solid hose streams is not contemplated or would not be in inches of water <

l practical.

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e" 30-31 rt.Ast.htABl_F. AND COhtRtjsTIRI.F.,t.tQt' ins CONF. _ _ _,

TANK smRAc.E _,,30 35 .

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', 2-2.6 Vent Piping for Aboveground Tanks. 2-2.7.5 Filling ami emptying connections for Class I. Class 11 and 2-% 6.1 Vent piping shall be constructed in accordance with Class lil A liquids which are made and broken shall be located out.

f f Chapter 3. side of buihlings at a location free from any source of ignition and l .

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r not less than 5 ft (1.5 m) away from any building opening. Such con.

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L , 2-2.6.2 Where vent pipe outlets for tar.ks storing Class I liquids are nections for any liquid shall be closed and liquidtight when not in use

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adjacent to buildings or public ways, they shall be located so that the vapors are released at a safe point outside of buildings and not less and shall be properly identified. .

"  %" 3 M than 12 ft (3.7 m) above the adjacent ground level. In order to aid P3 L

^

g their dispersion, vapors shall be discharged upward or horizontally 2-3 InuaHation of Underground Tanks.

, y away from closely adjacent walls. Vent outlets shall be located so that flammable vapors will not be trapped by caves or other obstructions 2-3.1 Location. Excavation for underground storage tanks shall [lj lr he made with due care to avoid undermining of foundations of ex.

g 4 anyl shall be at least 5 ft (1.5 m) from building openings, isting structures. Underground tanks or tanks under buildings shall (l

i 2-2.6.3 The manifolding of tank vent piping shall be avoided ex. he so located with respect to existing building foundations and sup. .!

M,b k"f cept where required for special purposes such as vapor recovery, ports that the loads carried by the latter cannot be transmitted to the vapor conservation or air pollution control. When tank vent piping is tank. The distance from any part of a tank storing Class I liquids to manifolded. pipe siics shall be such as to discharge. within the the nearest wall of any basement or pit shall be not less than 1 It pressure limitations of the system. the vapors they may be required to (0.3018 m). and to any property line that can be built upon. not less 94 j handle when marMolded tanks are subject to the same fire exposure. than 3 ft (0.91 m). The distance from any part of a tank storing Class 3

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II or Class III liquids to the nearest wall o any basement. pit or pro-

? d 2-2.6.4 Vent piping for tanks storing Class I liquids shall not be perty line shall be not less than I ft (0.3018 m).

y' Ar , pg

"*g manifolded with vent piping for tanks storing Class ll or Class 111 liq.

j/( g) -

uidt unless positive means are provided to prevent the vapors from Class I hqu,dsi from entermg tanks stormg Class 11 or Class III hq.

2-3.1 Burial Depth and Cover.

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y.4 uids, to prevent contamination (sce 11.2) and possible change in classification of the less volatile liquid.

2-3.2.1 Steel underground tanks shall be set on firm foundations and surrounded with at least 6 in. (152.4 mm) of noncorrosive inert f material such as clean sand or gravel well-tamped in place. The tank

$ed" T '

2-2.7 Tank Openings Other Than Vents for Aboveground Tanks. shall be placed in the hole with care, since dropping or rolling the j tank into the hole can break a,wehl. puntture or damage the iank. or n

2-2.7.1 Each connection to an aboveground tank through whicli liquid can normally flow shall be pmvided with an internal or an ex. scrape off the protective coatmg of coated tanks.

s.

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ternal valve located as close as practical to the shell of the tank.

2-3.2.2 Steci underground tanks shall be covered with a minimum 2-2..,,2 Each connection below the h.qmd , level through which liq. of 2 ft (.6096 m) of earth, or shall be covered with not less than I ft

, i (v' . ., , u d does not normally flow shall be provided with a liquidtight (0.3048 m) of earth, on top of which shall be placed a slah of rein.

4 closure. 'I his may be a valve. plug or blind. or a combination of forced concrete not less than 4 in. (101.6 mm) thick. When they arc.

b ' [b 1

! t he,se. or are likely to be. subjected to traffic. they shall be protected against amage Imm ve cles pa ng vn ihnn by at leau 3 ft p no d 1i 2-2.7.3 Openings for gaging on tanks storing Class I liquids shall be cart covn. r 18 in. y>L2 mm) of wcStamped cartli plus e, n hn 6 l

• ng provided with a vaportight cap or cover. Such covers shall be closed in. (152.4 mm) of remforced concrete, or 8 m. (203.2 mm) of g,7 AQ when not gaging. asphaltic concrete. When asphaltic or remforced concrete parmg is used as part of the protectimy, it shall extemi, at Icast I ft (0.3018 m) gg'gf[, , y1-f; 2-2.7.4 For Class IB and Class IC liquids other than crude oils. horuontally beyond the outhne of the tank in all directions.

. gasolines and asphaits, the fill pipe shall be so designed and installed as to minimize the possibility of generating static electricity. A fill c.'g*$,1 pipe entering the top of a tank shall terminate within 6 in. (152.4 2-3.2.3 Nonmetallic undergro'und tanks shall be installed in accor.

d mm) of the bottom of the tank and shall be installed to avoid ex.

cessive vibration.

dance with the manufacturer's instructions. The minimum depth of cover shall be as specified in 2 3.2.2 for steel tanks.

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~. g  ; 2-3.5.5 When tank vent piping is manifolded. pipe sires shall be 2-3.6.6 Tank openings provided for purposes of vapor recovery such as to discharge. within the pressure limitations of the system, shall be protected against possible vapor release by means of a the vapors they can be required to handle when manifolded tanks are spring loaded check valve or dry break connection, or other ap- g filled simultaneously. Float type check valves installed in tank open, proved device. unless the openmg is pipe-connected to a vapor proc.

ings connected to manifolded vent piping to prevent product con. essing system. Openings designed for combined fill and vapor tamination may be used provided that the tank pressure will net ex. recovery shall also be protected against vapor release unless connec.

ceed that permitted by 2 3.2.4 when the valves close. tion of the liquid delivery line to the fill pipe simultaneously connects the vapor recovery line. All connections shall be vaportight. (

,, Exception: For sertice stations, the capacity of mantfolded tent piping shall be su[ficient to discharge topors generated when two 2-4 Installation of Tanks Inside of Buildings.

manifolded tanks are simultaneouslyfilled. 2-4.1 Location. Tanks shall not be permitted inside of buildings except as provided in Chapters 5. 6. 7. 8 or 9.

2-3.5.6 Vent piping for tanks storing Class I liquids shall not be manifolded with vent piping for tanks storing Clau II or Class ill liq- 2-4.2 Vents. Vents for tanks inside of buildings shall be as re- .[

uids unless positive means are provided to prevent the vapors from quired in 2 2.4. 2 2.5, 2-2.6.2 and 2 3.5. except that emergency Class I liquids from entering tanks storing Class 11 or Class III lig. venting by the use of weak roof seams on tanks shall not be per-unds. to prevent contamination (see I-I.2) and possible change in mitted. Automatic sprinkler systems designed in accordance with the classification of the less volatile liquid. requirements of NFPA 13, Standardfor fr c Irutallation ofSprinkler Systems. may be accepted by the authority having jurisdiction as .

2-3.6 Tank Openings Other Than Vents for Underground equivalent to water spray systems for purposes of calculating the re. i t, Tanks. quired air flow rates for emergency vents in 2-2.5.7. Except for tanks c 2-3.6.1 Connections for all tank openings shall be liquidtight. co}tain g Class IllB liquids, vents shall terminate outs,ipegh 2-3.6.2 Openings for manual gaging, if independent of the fill # b5# M I' 2-4.3 Vent P. .iping. Vent pipmg shall be%.$, d m accor-N $ b.

pipe. shall be provided with a liquidtight cap or cover. Covers shall constructe be kept closed when not gaging. Ifinside a building. cath such open. dance with Chapter 3.

mg shall be pro'ected against liquid overflow and possible vapor 5 y release by means of a spring loaded check valve or other approved 2-4.4 Tank Openings Other Than Vents for Tanks Inside device. Buildmgs. ,

i 2-4.4.1 Connections for all tank openings shall be liquidtight.

.-3.6.3 Fill and discharge lines shall enter tanlis only through the l top. Filllines shall be sloped toward the tank. Underground tanks for 2-4.4.2 Each connection to a tank inside of buildings through -

f Class I liquids having a capacity of more than 1,000 gal (3.785 L) which liquid can normally flow shall be provided with an internal or jl? '_.

shall be equipped with a tight fill device for connecting the fill hose an external valve located as close as practical to the shell of the tank. i to the tank. I I

n 2-4.4.3 Tanks for storage of Class I or Class .II liquids inside d-3.6.4 For Class IB and Class IC liquids other than crude oils, buildings shall be provided with either: h gasolines and asphalts. the fill pipe shall be so designed and installed (a) a normally closed remotely activated valve, }

as to mmimue the,poss,bihty i of generaung static electricity by ter. (b) an automatic-closing heat activated valve. or mmatmg within 6 m. (152.4 mm) of the bottom of the tank. l 4* (c) another approved device on each h. quid transfer connection

• 2-3.6.5 Filling and emptying and vapor recovery connections for below the liquid level, except for connections used for emergency 1 9 disposal, to provide for quick cut-off of flow m the event of fire m ihe l, Class I. Class II or Class 1 IIA liquids which are made and broken

, shall be located outside of buildings at a location free from any vicmity of the tank.

source of ignition and not less than 5 ft (1.5 m) away from any This function can be incorporated in the valve required in 2-4.4.2.

building opening. Such connections shall be closed and liquidtight and if a separate valve. shall be located adjacent to the valve re.

when not m use and shall be properly identified.

quired in 2 4.4.2.

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q 30-40 F1.AktM ABL_F AND COMBUST!Bt.E UQ" Ins CoDr- - . - TA

. . - . _ _ NK.sToRACi; .. . - . . 41 u 1 2-4.4.4 Openings for manual gaging of Class I or Class II liquids. if 2-5.1 Tanks shall rest on the ground or on foundations made of independent of the fill pipe, shall be provided with a vaimrtight cap concrete, masonry, iling or weel. Tank foundations shall be de- h

' g or cover. Openings shall be kept closed when not gaging. Each such signed to minimite t e possibility of uneven settling of the tank and g opening for any hquid shall be protected against liquid overflow and to minimire corrosion in any par't of the tank resting on the founda-possible vapor release by means of a spring loaded check valve or . tion. Appendix E of API Standard 650. Speerfication for irrlded 1 other approved deuce. Substitutes for manual gaging include, but Steel Tanksfor Od Storage. and Appendix B of API Standard 620 4 are not h,mited to. heavy duty flat gage glasses, magnetic. ,

hydraulic l Recommended Rules for the Design and Construction of Large,

y. or hydrostatic remote readmg devices and scaled float gages. Irelded. Low. Pressure Storage Tanks.' provide information on tank l

, foundations.

2-4.4.5 For Class IB and Class IC liquids other than crude oils, gasolines and asphalts, the fill pipe shall be so designed and installed 2-5.2 When tanks are supported above the foundations, tank sup- ,

as to minimite the possibility of generating static electricity by ter- [mrts shall be installed on firm foundations. Su ports for tanks stor-

)' ' l minating within 6 in. (152.4 mm) of the bottom of the tank.

' mg Class I. Class II or Class IIIA liquids s all be of concrete.

masonry or protected steel. Single wood timber supports (not crib.

I 2-4.4.6 The fill pipe inside of the tank shall be installed to avoid ex. bing) laid horizontally may be used for outside abovegrouml tanks if l cessive vibration of the pipe, n t m re than 12 in. 58 inm) high at their lowest gent.

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2-5.3 Steel supports or exposed piling for tanks storing Class I.

2 4.4.7 The inlet of the fill pipe and the outlet of a vapor recovery Class II or Class III A liquids shall be protected by materials having a line for which connections are made and broken shall be located out- fire resistance rating of not less than 2 hrs except that steel saddles side of buildings at a location free from any source of ignition and need not be protected if less than 12 in. (304.8 mm) high at their not less than 5 ft (1.5 m) away from any buihling opening. Such con- Iowest point. At the discretion of the authority having jurisdiction.

lll *  !

nections shall be closed and tight when not in use and shall be prop-erly identified.

water spray protection in accordance with NFPA 15. Standard for IVater Spray Fixed Systemsfor Fire Protection, or NFPA 13. Stan-s dardfor the Installation of Sprinkler Systems, or equivalent may he 2-4.4.8 Tanks storing Class 1. Class II and Class lil A liquids inside used.

, buiklings shall be equipped with a device, or other means shall he

-

• a provided. to prevent overflow into the building. Suitable devices m-

, i 2-5.4 The design of the supporting structure for tanks such as h clude. but are not brmted to, a Hoat valve, a preset meter on the fill spheres shall require special engineering consideration. Appendix N ime. a valve actuated by the we,ght i of the tank contents, a low head M& Pi Standard 6".0, Recommended Rulesfor the Design and pump which is meapable of producmg overflow, or a h, uidtight Construction of Large. Irelded. Low-Pressure Storage Tanks.' con-overflow pipe at least one pipe sire larger than the fill pipe < ischarg. rains information regarmne supportmg structures.

ing by gravity back to the outside source of liquid or to an approved I location, 2-5.5 Every tank shdi he so supported as to prevent the excessive i concentration of loads on the supporting portion of the shell.

, 2-4.4.9 Tank openings provided for purposes of vapor recovery 2-5.6 Where a tank is located in an area subject to flooding, provi.

j shalli be protected against possible vapor release by means of a . sions shall be taken to prevent tanks cither full or empty. from

spring loaded check valve or dry break connections, or other ap- floating during a rise in water level up to the established maximum proved device, unless the opening is pipe connected to a vapor proc. flood stage.

essing system. Openings designed for combined fill and vapor recovery shall also be protected against vapor release unless connec. 2-5.6.1 Aboveground Tanks.

tion of the liquid delivery line to the fill pipe simultaneously connects 2-5.6.1.I Each vertical tank shall be located so ahat its top extends the vapor recovery line. All connections shall be vaportight, above the maximum flood stage by at Icast 30 percent ofits allowahic 1

1. storage capacity. .,

% 2,-5 Supports, Foundations and Anchorage for All Tank Loca-

• Amtavrr7nrAmencan retroscum insniuie. 2:01 t_ si.. N.w. washinginn. tic tions.

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, 30;42 rt.AMM ABli AND COMBUSTIBLE LIQU_fDs Cone TANK sToRAGr. 30-43 L

2-5.6.1.2 llorizontal tanks located so that more than 70 percent of 2-5.6.4 Operating Instructions.

the tank's storage capacity will be submerged at the established Dood 2-5.6.4.1 Operating instructions or rocedures to be followed in a stage shall be anchored: attached to a foundation of concrete or of flood emergency shall be readily avaibable.

steel and concrete of sufficient weight to provide adequate load for

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the tank when filled with Hammable or combustible liquid and 2-5.6.4.2 Personnel relied upon to carry out flood emergency pro-submerged by Dood water to the established Good stage: or ade- cedures shall be informed of the location and operation of valves and quately secured from floating by other means. Tank vents or other other equipment necessary to effect the intent of these requirements.

openmgs which are not liquidtight shall be extended above man h imum Hood stage water Icvel. 2-5.7 in areas subject to earthquakes the tank supports and con-nections shall be designed to resist damage as a result of such shocks.

2-5.6.1.3 A dependable water supply shall be available for filling 2-6 Sources of Ignition.

~

an empty or partially filled tank, except that where filling the tank with water is impractical or harardous because of the tank's contents. 2-6.1 In locations where Hammable vapors may be present, precau-tanks shall be protected by other means against movement or col- tions shall he taken to prevent ignition by eliminating or controlling lapse. sources of ignition. Sources of ignition may include open flames. t lightning. smoking. cutting and welding, hot surfaces, frictional ,

2-5.6.1.4 Spherical or spheroid tanks shall be protected by ap- heat sparks (static. electrical and mechanical). spontaneous igni- f plicable methods as specified for either vertical or horizontal tanks. tion, chemical and physical. chemical reactions and radiant heat, u l NYPA 77. Recommended Practice on Static Electricity. and NYPA >

l 78. Lightning Protection Code, provide information on such protec-2-5.6.2 Underground Tanks. tion. p l 2-5.6.2.1 At locations where there is an ample and dependable i I 2-7 Testing.

water supply available, underground tanks containing flammable or j i combustible liquids, so placed that more than 70 percent of their 2-7.1 All tanks, whether shop. built or field. erected, shall be tested -

storage capacity will be submerged at the maximum flood stage, before they are placed in service in accordance with the applicable [

l shall he so anchored. weighted or secured as to prevent movement paragraphs of the Code under which they were built. The ASME i when filled or loaded with water and submerged by Hood water to Code stamp. API monogram, or the Listing Mark of Underwriters q the established flood stage. Tank vents or other openings which are Laboratories Inc. on a tank shall be evidence of compliance with this h not liquidtight shall

• extended above maximum Hood stage water test. Tanks not marked in accordance with the above Codes shall he Icvel, tested before they are placed in service in accordance with good engineering principles and reference shall be made to the sections on .

2-5.6.2.2 At locations where there is no ample and dependable testing in the Codes listed in 2 1.3.1, 2-1.4.2. or 21.5.2. [

water supply or where filling of underground tanks with water is im- 2-7.2 When the verticallength of the fill and vent pipes is such that practical because of the contents, each tank shall be safeguarded 3

agagnst movement when empty, and submerged by high ground when filled with liquid the static head imposed up'on the bottom of the tank exceeds 10 lbs per sq in. (68.95 kPa), the tank and related  ;

means' '

water Each suchor nood water tank shall be sobyconstructed anchormg orinstalled and by securmg that it wiby other,llsafely

{iping shall be tested hfdrostatically to a pressure cr3ual to the static cad thus imposed. In special cases' where the height of the vent resist external pressures if submerged.

above the top of the tank is excessive. the hydrostatic test, pressure j shall be determined by using recognized engmeermg practice.

2-5.6.3 Water Loading. The filling of a tank to be protected by ,

water loading shall be started as soon as Good waters are predicted to 2-7.3 In addition to the test called for in 2 7.1 and 2-7.2. all tanks reach a dangerous flood stage. Where independently fueled water and connections shall be tested for tightness. Except for 5 pumps are relied upon, sufficient fuel shall be available at all times underground tanks. this tightness shall be made at operating to permit continuing operations until all tanks are filled. Tank valves pressure with air. inert gas or water prior to placing the tank in ser-shall be closed and locked in closed position when water loading has vice, in the case of field-erected tanks the test called for in 2 7.1 or y been completed. 2 7.2 may be considered to be the test for tank tightness. 9

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3M4 Ft.AMMARLE AND CoMBUgBLQQt1tDs CODE TANK sTOR Anr. 30 45 c Underground tanks and piping, before being covered, enclosed, or (b) Equipped with an independent high level alarm locatnl where placed in use, shall be tested for tightness hydrosratically, or with air personnel are on duty durmg the transfer and can promptly arrange ,

pressure at not less than 3 lbs per sq in. (20.68 kPa) and not more for How stoppage or diversion, or than 5 lbs per sq in. (34.475 kPa). (See 3 7.1for testing pressure pip- (c) Equipped with an independent high level alarm system that ing.) T e

will automatically shut down or divert flow. ,

) 2-7.4 Before the tank is initially placed in service, all leaks or defor-  :

2-10 Leakage Detection and Inventory Records for Underground g g mations shall be corrected in an acceptable manner. Mechanical Tanks.

, F caulking is not, permitted for correcting leaks in welded tanks except pm hole leaks m the roof. 2-10.1 Accurate inventory records or a leak detection program -

shall be maintained on all Class I Liquid Storage Tanks for in lica-2-7.5 Tanks to be operated at pressure ir ign pressure tion of possible leakage from the tanks or associated piping. (See may be tested oy the applicable provm,s below ons of 2-7.1 the.

or 2-7.2 des.

hased NFit! J29, Underground Leakage of Flammable and Combustible upon the pressure developed under full emergency venting of the Li Tuids')

tank.

2-8 Fire Protection and Identification. L 2-8.1 A fire extinguishing system in accordance with an applicable NFPA standard shall be prosided or be available for vertical at- f

- 4 mospheric fixed roof storage tanks larger than 50.000 gal (189.250 I L) capacity storing Class I liquids if located in a congested area where there is an unusual exposure hazard to the tank from adjacent property or to adjacent property from the tank. Fixed roof tanks stor-

ing Class 11 or Ill liquids at temperatures below their flash points and floating roof tanks storing any hquid generally do not require protec-tion when installed in compliance with Section 2-2. ,

2-8.2 The application of NFPA 704, Identification of the Fire

! Ilazards of Afaterials, to storage tanks containing liquids shall not bc required except when the contents have a health or reactivity degree l of harard of 2 or more or a flammabil:ty rating of 4. The marking ,

i p need not be applied directly to the tank but located where it can readily be seen, such as on the shoulder of an accessway or walkway to the tank or tanks or on the piping outside of the diked area, if

) more than one tank is involved. the markings shall be so located that a cach tank can readily be identified. ,

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. 2-9 Prevention of Overfilling of Tanks.

2-9.1 Tanks receiving transfer of Class I liquids fmm mainline pipelines or marine vessels and located in an area where overfilling l may endanger a place of habitation or public assembly shall be  ;

either: '

s (a) Gaged at frequent intervals while receiving transfer of pred-uct, and communications maintained with mainline pipeline or marine personnel so that flow can be promptly shut down or diverted, or ,

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. INm'sta: At. *t. ann E

MI) 4-8.2.1 tected , The quantity of liquids stored adjacent to a hui' ding pro-4 (T. ,y m accordance with 4 8.2(h) may exceed that permitted in 4 8.2. provided the marimum quantity per pile does not exceed

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g 1.100 gal (4163.5 L) and cach pile is separated by a 10 ft (3.05 m) mamm am clear space along the common wall. ' Chapter 5 Industrial Plants

. ,, g . 4-8.2.2 Where the quantity stored exceeds the 1.100 gal (4163.5 L)

-Q; I permitted adjacent to the building given in 4 8.2(a). or the rovi E*

3 sums of 4 8.2(b) cannot be met. a minimum distance in accorbance. This chapter shall apply to those m .

. dustrial plants where (1) wah column 4 of Table 4 8 shall be maintained between buildin8, 5-1.1 g%'ry #gM4 and neare t container or portable tank. the use of liquids is incidental to the prme, spal hus,mess (sce Section 3 2) or (2) where liquids are handled or used imly m umt physical

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operations such as mixing, drying. evaporating, filtering distil,la.

A} p.f gj 4-8.3 The storage area shall be graded in a manner to divert ossi, bic sp,lls away from buildings or other exposures or shall he sur-i tion. and similar operations which do not mvolve chem, cal icactmn (g

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[3;; k (sce Section 3 3). This chapter shall not apply to chemical plants,

rounded by a, curb at least 6 in. (152.4 mm) high. When curl.s are refincrics or distil,leries, as defined, which are covered m Chapter 9.

a used. pmvisions shall be made for draining of accumulations of Refineries. Chemical Plants and Distilleries.

ground or rain water or spills of li uids. Drams shall terminate at a l

U: safe location and shall be accessib e to operation under fire condi- ical reactions

'*"'- 5 1.2 Where portions of such plants involve chem.

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such as oxidation, reduction, halogenation, hydrogenation, alkyla.

,3 4-8.4 Storage area shall be protected against tampering or tion, polymerization, and other chemical processes, those portions of g

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j trespassers where necessary and shall be kept free of weeds, debris and other combustible materials not necessary to the storage.

the plant shall he in accordance with Chapter 8. Processmg Plants.

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5-2 Incidental Storage or Use of Liquids.

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5-2.1 Section 5-2 shall be applicable to those portions of an in-

' dustrial plant where the use and handling of liquids is only inculental D""k to the principal business, such as automobile assembly, comtrijctmn

, of electronic equipment. Iurniture manufacturmg or other sumlar s e4 J activitics.

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5-2.2 Liquids shall be stored in tanks or closed containers.

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Except as pmvided in 5 2.2.2 and 5 2.2.3, all storage shall 5-2.2.1 comply with Chapter 4. Contamer Storage.

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1. ;y ' 5-2.2.2 The quantity ofliquid that may beloca,ted outside of anin- '

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• ride storage room or storage cabinet or in any one fire area of a buihling shall not exceed the greater of that given in (a) or (b). (c) l h and (d) below:

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g,,9 (a) A supply for one day, or

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Ik (b) 25 gal (94.6 L) of Class I A liquids in containers. and Sh [d (c) 120 gal (454.2 L) of Class ID. IC.11 or III liquids in con-e tainers, and g@ 1.,

(d) One portable tank not exceeding 660 gal (2498.1 L) of Class

.G y M jkj f IB. IC, Class 11 or Class III bquids.

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g dk r 30-70 Ft.AhtM ARK AND COM BUsBBLI UQUms CODE

.V 5-2.2.3 Where large quantities of liquids are necessary. storage are pl ants compounding cosmetics. pharmaceuticals. solvents cican-

.p f, may be in tanks. which shall comply with the apphcable re- ing Guids, insecticides and similar types of activities.

e h quirements of Chapter 2, Tank Storage, and Sections 53.54.5-5. .

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jU '* 5 6. 5 7 and 5 8. 5-3.2 Industrial plants shall he located so that each building or u nit of equipment is accessible from at least one side for fire fighting and lM 5-2.3 Areas in which liquids are transferred from one tank or con- fire control purposes.11uildings shall be located with respect to lines '.

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of adjoining property which may be built upon as set forth in 8 2.1 M g tainer to another container shall be separated from other operations in the building by adequate distance or by construction having ade, and 8 2.1.1, except that the blank wall referred to in 8-2.1.1 shall

}'t have a fire resistance rating of at least 2 hr.

(  ; quate fire resistance. Drainage or other means shall be provided to g

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- a control spills. Adequate natural or mechanical ventilation shall be provided. NFPA 91. Standard for the Installation of Blouer and Ex. 5-3.3. Areas where unstable liquids are handled or small scale unit I

• haust Systems for Dust, Stock and Vapor Remotut or Cont.cring. chemical processes are carried on shall be separated from the re-

% D- mainder of the pl.nt by a fire wall having a fire resistance rating of p (; provides information on the design and installation of mecha'nical ventilation. not less than 2 hr.

p.~ w 5-2.4 Ilandling Liquids at Point of Final Use. 5-3.4 Drainage.

-p I 5-3.4.1 Emergency drainage systems shall be provided to direct 5-2.4.1 Class I and Class II liquids shall be kept in covered con- flammable or combustible hquid leakage and fire protectmn water to p .h, ,,y,M 4 tainers when not actually in use. a safe location. This may require curbs. scuppers, or special d rainage j 6 .i pd*C 5-2.4.2 Where liquids are used or handled. except in closed con- systems to control the spread of fire (sce 2-2.3.1). Appendix A of

S tainers means shall be provided to dispose promptly and safely of NFPA 15. Standardfor trater Spray Fixed Systemsfor Fire Protec 4 [ ^

tion provides information on such protecimn. 7)o9 l k M.mM p 4 , [/

5 leakage or spills.

5-2.4.3 Class I liquids may he used only where there are no open 5-3.4.2 Emergency drainage systems. if connected to public scwcrs or discharged into public waterways, shall he equipped with traps or

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i flames or other sources of ignition within the possible path of vager t ra vel. separators.

5-2.4.4 Class I and Class Il liquids shall be drawn from or trans- 5-3.4.3 The industrial plant shall be designed and operated to pre-k.mgy 3

ferred into vessels. containers, or portable tanks within a building vent the normal discharge of flammable or combustible liquids mto only from (1) original shipping containers with a capacity of ' gal public waterways public sewers. or adjoining property.

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(18.92 L) or less, or (2) from safety cans, or (3) through a closed pip-gf., p%g y 5

~3! ing system. or (4) from a portable tank or container by means of a 5-3.5 Ventilation.

device drawing through an opening in the top of the tank or con- 5-3.5.1 Areas as defined in 5 3.1 usin Class I liquids shall be ven-  ?

4 p , tilated at a rate of not less than 1 cu It'g(0.028 m') per min per sq ft tamer or (5) by gravity through a hsted self-closmg valve or self-gj{ , closmg faucet. (0.0929 m') of solid floor area. This shall be accomplished by natural or mechanical ventilation with discharge or exhaust to a safe location M '

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. i 5,2.4.5 Transferr.mg h. quids by means of pressurizing the contamer outside of the building. Piovision shail be made for introduction of kgjy y with air is prohibited. Transferrms hquids by pressure of inert gas is make up air in such a manner as not to short circuit the ventilation.

permitted only if controls, meludmg pressure relief devices are pro- Ventilation shall be arranged to include all floor areas or pits where p.

p.g.,g p,g g yg vided to hmit the pressure so it cannot exceed the design pressure of the vesseh, tank or contamer.

flammable vapors can colicci. l.ocal or spot general ventilation may he needed for the control of special fire or health hazards. Such ven-

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tilation, if provided. may be utdized for up to 75 percent of the re- l 8 Q.*4'qQ, j 5-3 Unit Phys.ical Operations. quired ventilation. NFPA ol. Standardfor the Installation of filmcer and Exhaust Systemsfor Dust,. Stock and Vapor Remotolor Conocy- l 5-3.1 Section 5 3 shall be applicable in those portions of industrial D

Fm  ?"., "3 W plants where liquids are handled or used in unit physical operations ing. and NFPA 90A. Standard [or the Installation of Air Condition- t such as mixing, drying evaporating, filtering. distillation, and ing and Ventilating Syster,is, of other than residence type. provide

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7 similar operations which do not involve chemical change. Examoles information on this subject.

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T. h ;}. hh*jmd 30-72 rim u4ste aso count;srinte t_iquins cone isni' sin: AL ci. ANT 4 30 73 j i 5-3.5.2 E ipment used in a building nd the ventilation of the 5-5.5 An appmved fire alarm system is recommended for prompt building sha i be designed so as to limit llammable vapor-air mix- notification of fire. Where service is available. it is recommende I (

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• f.g, /pMg.ment, tures under normal opera:ing conditions to the interior of equip-and to not more than 5 ft (1.5 m) from equipment which ex-that a public fire alarm hos he located nearby. It may he advisahic to connect the plant svsicm with the public sysicm. NFPA 72D. Stan-a

fg.J# poses Class I liquids to the air. Examples of such equipment are dardfor the Installatirm, Maintenance and Use of Proprietary Pro.

i g 'gg dispensmg stations, open centrifuges, plate and frame filters. open tectiw Signaling Systemsfor IPatchman. Fire Alarm and Supertuary Q" Q.g vacuum filters, and surfaces of open equipment.

MD kW 1

5-3.6 Sec. ice, provides information on this subject.

The storage, transfer and handling of liquids shall comply 5-5.6 All plant fire protection facilitics shall be adequately main-b/pgK ,

with Section 8 4 of Chapter 8. Processing Plants. tained and periodically inspec:cd and tested to make sure they arc }

h?%, always in satisfactory operating condition. and they wdl serve their ,

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+4a S purpme m time of emergency.

5-4 Tank Vehicle and Tank Car Loading and Unloading.

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p [ft 5-4.1 Tank vehicle and tank car loading or unloading facilities 5-6 Sources of Ignition.

4 4

shall be separated from aboveground tanks, warehouses, other plant 5-6.1 Precautions shall he taken to prevent the ignition of flam-p $q buildmgs or nearest hne of adjoining property which can be built mahic vapors. Sources of ignition include but are not hmited to:

g'A j upon by a distance of 25 ft (7.62 m) for Class I liquids and 15 ft (4.57 open names: lightning: smoking: cutting and welding: hot surfaces:

r m) for Class 11 and Class Ill liquids, measured from the nearest posi- frictional heat: static, electrical and met hanical sparks; spontaneous tion of any fill stem. Buildings for pumps or shelters for personnel ignition including heat. producing chemical teartions: and radiant 1,y3 J can be a part of the facility. Operations of the facility shall comply licat.

rpg gg 4 with the appropriate portions of Section 6 3 of Chapter 6, Bulk Pla nts. .

^g 5-6.2 Class I liquids or Class 11 or Class Ill h.quals at a temperaturc W

hyd .

above their Dash points (see 1 1. 3) shall not he dispensed ..ito metal containers unicss the norile or fill pipe is in electrical contact with

5-5 Fire Control. the comainen This can he accomplished by maintaining metalh,e g/,,1 g { contact during filling, by a bond wire between them, or by other con; p

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5-5.1,ded mvi m such quantitics and types as are needed ductive for the path specialPortable having an electncal resistance fire not extinguishment greater than 10 and c hpu.g. azards of operation and storage. NFPA 10. Standardfor Portab/c Fire Extinguishers, pmvides information as to the suitability of ohms. Bonding is not required where a container is fille I through a closed system. or the container is made of glass or other nonconduct-y,;d;$y 4 various types of extinguishers and their number and location, ing material. NFPA 77. Recommended Practice on Static Elec-M l '

tricity, provides information on static protection: NFPA 78. l.rght-Ffjh(

G 5-5.2 Water shall be available in volume and at adequate pressure ning Protection Code, pmvides information on lightning protection. t g.4 - J to supply water hose streams, foam pmducing equipment, automatic f spnnklers or water spray systems as the need is indicated by the 5-7 Electrical Equipment.

?,]g special hazards of operation, dispensing and storage.

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5.3 Spec. ia l extinguishing equipment such as diat utilizing foam.

5-7.1 This Section. 5 7. shall apply to areas where Class I liaguids are stored or handled or where Class 11 or Class til liquids are stored

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j or handled at a temperature above their Dash points (5cc l l. 7 ) For

,,[yg mert gas, or dry chemical shall be pmvided as the need is indicated areas where Class II or Class lit liquids only are stored or handled at N. g# ,wg D by the special hazards of operation, dnpensing and storage. a temperature below their Dash points, the electrical equipment may

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5-5.4 be installed in ncordance with provisions of NFPA 70. National glg!93

, Jp Where the need is indicated by special hazards of operation, hquid pmcessing equipment, major pipmg. and supporting steel Electrical Code for ordinary locations; however, care shall he t,ned in locating clectrical apparatus m prevent Imt metal fmni faHing ento

4. ,,g.gM shall be protected by approved water spray systems, deluge systems. open equipment.

appmved fire resistant coatings, insulanon, or any combination of ghgq.j ,h. these. NFPA 13. Standardfor thc Installation of Sprinkler Systems, 5-7.2 All electrical equipment and wiring shall be of a type g.j,gg , and NFPA 15. Standardfor Irater Spray Fixed Systemsfor Fire Pro-tection, provide mformauon on this subject.

specified by and shall be installed in accordance with NFPA 70. Na-tional Electrical Code.

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Ft. A MM A RLF. AND CoMat'sTt RLr. L.IQUms CoDF. :NousTitl AL Pt. ANTS 30-75 I , 5-7.3

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So far as it applies. Table 5 7.3 shall be used to delincate and

' rrh~ yWM' i 'p 5-9.2 Adequate aisles shall be maint classify areas for the purpose of installation of electrical reipmentment of personnel an< so et for "" $

9n cq i e en

[ under normal circumstances. In the application of classified arcas, a brought to bear on any part of Hammable or combustible liquid [

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' classified area shall not extend beyond an unpierced floor, wall, roni or other solid partition. The deugnuion of classes and divisions l' storage, use, or any unit phyn, cal operation.

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defined Code, in Chapter 5. Article 500, of NFPA 70. National Electrical 5-9.3 Combustibt aste material and residues in a building or umt W,.@?.[A.

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i operatmg area sha 1 rninimum, stored in covered metal l receptacles and disposed of daily.

h 5-7.4 Rff g  ? The area classifications listed in Tahic 5-7.3 are based on5-9.4 the Ground area around buiblings and unit operating areas s a

.W p premise that the installation meets the applicahic re

$$y f3 this code in all respects. Shouhl this not he the case,quirements the authority having jurisdiction shall have the autliority to determine the extent ofbe kept free of weeds, trash or other unnecessary materials.

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,jg h- E of the classified areas.

Q ;; C Q.Ti;;g . 4 5-7.5

!*J/jY f Extent of classified areas shall be as shown in Table 5-7.3.  ;

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5-7.6 Where the provisions of5 7.1. 5-7.2. 5 7.3. 5 7.<l and 5 7.5 i

require the installation of electrical equipment suitable for Class 1.  ;

,,.- r i Q;k 3 Division I or Division 2 locations, ordinary cic(trical equipment in-f p'li i ? gi A

. .: a cluding switchgear may be used if installed in a room or enclosure which is maintained under positive pressure with respect to the

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Wi clauified area. Ventilation makeup air shall he uncontaminated by flammable vapors. NFPA 106. Standard for Purged Es closures for

{; Mythj {d Electrical Equif> ment in llazardous 1.ocations, provides details for these types of installations. I

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5-8 Repairs to Equipment. '

@ y pg 5-8.1 I tot work, such as welding or cutting operations, use of spark.

' Q~ afhi ,g producing power tools, and chipping operanons shall be permitted only under supervision of an individual in responsible charge. The t

/M $1f individual in responsible charge shall make an inspection of the area I

"4 %[d to be sure that it is safe for the work to be donc and that safe pro-I e

cedures will be followed for the work specified. NFPA 327. Standard

if'i @f.s f'i Pmc<tdures for the Standard for Cicaning or Safeguarding Small

, N. 4; ~,h hs Tanks and Containers, and NYYA 3fl. Standardfor Solvent Extrac- >

tion Plar tr. provide information on such operations.

.1 %[ji k f @k t yn 5-9 Ilousekeeping.

g k'd @ 5-9.1 Maintenance and operating practices shall be in accordance I

p,.! -

with established procedures which will tend to control Icakage and Qjfy@M;.h p,, g M prevent the accidental escape of flammable or combustible liquids. 1 n .i. s,: Spills shall be cleaned up promptly.

.s g

s a.m-sdu I s f, h.

up~

a.,, ~ -r 1 . ~ n. . .

. c. .

s

'l f ( g h...

y ' :t 30.-78__ Ft AMM ARI.F. ann CoMnt'srint.r. UQtMns CONF. Rt'13,ct.AN1% ant > TERMIN At.s 30 79

{

' //,u h J Chapter 6 Bulk Plants and Terminals travel, unless such area is pmvided with ventilation designed to pre-f vent the accumulation of Hammable vapors therein.

fy!K h k 3

Qf t/g l e

' 6-1 Storage.

6-2.3.3 Containers of Clau I liquids shall not he drawn from or A

.y 6-1.1 Class I liquids shall be stored in closed containers, or in filled within buildings unicu provisi(m is made to prevent the ac- b

.c hg "' """#""*""'

storage t nks abovegmund outside of buildings, or underground in # ""* I" 'mechamcal Where *" "I . 0 " * "'ventilaimn

" .""I""'."is reqmred."I"" hall be kept m opera-J nW accordance with Chapter 2.

tion while Hammahic liquids are being hamiled.

it s ,

"AyT1

. j 6-1.2 Class 11 and Class Ill liquids shall be stored in containers, or k y

6-3 Loading at..I Unloading Facilities.

y. $pp m tanks withm buildings or aboveground outside of buildings, or underground m accordance with Chapter 2. 6-3.1 Tank vehicle and tank car loading or unloading facilitics c .g .

shall be scoarated from aboveground tanks. warehouses, other plant

{

W y

%g y 6-1.3 Containers of liquids when piled one upon the other shall he buildings or nearest line of adjoining property that can be huih upon h 1

gjeg J separated by dunnage sufficient to provide stability and to prevent excessive stress on container walls. The height of pile shall be consis.

hv a distance of at least 25 ft (7.62 in) for Claw I liquids and at lead l Ih ft (l.57 m) for Clau 11 an I Claw III liquids measured from the g

i.

4gg 5. g/gi tent with stabihty and strength of containers. nearest position of any fill spout. Iluildings for pumps or shelters for J personnel may be a part of the Iacility.

NZ$, .

' k:

6-1.4 P. . aping, Valves and Fitting *. Piping systems shall he in ac-g cordance with Chapter 3- 6-3.2 F.quipment such as piping pumps, and meters used for the transfer of Claw I liquids between storage tanks and the fill stem of y%

h h.(

b

+ogp 6-2 Iluildings. ihe loading rack shall not he used for the transfer of Claw II or Claw q C 6-2.1 Exits. Rooms in which liquids are stored or handled by

" E

~

pumps shall have exit facilitics arranged to prevent occupants being -"

h Q{qlQ trapped m the event of fire. NFPA 101, Life Safety Code, provides 0

}hh 9[

3 mformation on the number and location of exits. 6 3.3.1 when top loading a tank schicle w. h Cla s I and Clau II it liquids without vapor contml. valves med for the final control of Gow g

shall he of the scif.cfming type and shall he manually behl open ex- g g[gJ l

6-2.2 Heating. Rooms in which Class I liquids are stored or han.

dled shall be heated only by means not constituting a source of igni-

"'In where automatic meam are provided for shutting off the Dow q 4 p. o tion, such as steam or hot water. Rooms containing heating ap- when the vehicle is full. b phances mvolvmg sources of ignition shall be located and arranged h g; g d.y e 6-3.3.2 When top loading a tank vehicle w.ith sapor control. How Mi*fp -3 to prevent entry of Hammable vapors.

tontrol shall be in acconlance with 6-3. l.1 and 6 3.4.2. .

3 M 6-2.3 Ventilation.

h@g g

I y

y. 6-2.3.: Ventilation shall he provided for all rooms, buildings or 6-3.4 Ilottom Loading.

6-3.4.1 When bottom loading a tank vehicle. with or without vapor

(

enclosures m which Class I liquids are pumped or dispensed. Design connol, a positive means shall be pmvided for Iqading a predeter-gbg N..

g 3 of ventilation systems shall take into account the relatively high specific gravity of the vapors. Ventilation may be provided by acie, mined quantity of liquid. together with an automatic secondary /

shut.off control to prevent overfill. The connecting components he.  ;

'W,3 p .

quate openmgs m outside walls at Door level unobstructed execpt by tween the loading rack and the tank vehicle required to operate the g louvers or coarse screens. Where natura! ventilation is inadequate,

{} g+

( .,

mechamcal ventilation shall be provided. NFPA 91, Standardfor In.

stallation of Blower and Exhaust Systemsfor Dust, Stock and Vapor secondary control shall be functionally compatible. p

~

Remomt or Conecying, provides information on the installation of 6-3.4.2 when bottom loading a tank vehicle that is equ.ipped for [

hg$

g{fj $gy. , mechanical exhaust systems.

6-2.3.2 " Class I liquids shall not be stored or handled within a vagmr contml. but when vapor control is not used. the tank shall be vented to the atmosphere to prevent preumiration of the tank. Sm h venting shall be at a height not lower than the top of the cargo tank e

g t building having a basement or pit into which Hammable vapors may on the vehicle. [

&.0 '

jit

&4 N1 ~

J

e < ..d....< .c; w _ . p. ,, Q . , y, 4 m 3 % .., agpgg,. . w .  ; ,

1,pn,g Sh1 f f b- 30-89 3,0 88 stRVICF. STATIONS l/J[eq. rt.AMM ABM AND CoMBUsr1BR UQUms CoDF.

or s

+Q y

! gQsq 6-7 Drainage and Waste Disposal.

6-7.1 Provision shall be made to prevent liquids which can bc Chapter 7 Service Stations

• P* *

1. gi1 e

i spilled at loading or unloading points from entering public sewers and drainage systems, or natural waterways. Connection to such 7-1.1 Th.is chapter applies to automotive and mar.me service sta-I

, j' 1 tions and to service stations located inside buildings. Reference shall

% sewers, drains. or waterways by which liquids might enter shall be

' :* j provided with separator boxes or other approved means whereby also be made to NFPA 302. Fire Protection Standard for Motor p p j such entry is precluded. Crankcase drainings and liquids shall not be Craft, for safety precautions while fuelmg at marme service statmns.

dumped mto sewers, but shall be stored in tanks or tight drums out. and to NFPA 303, Fire Protection Standard for Marinas and M: g ..

t side of any building until removed from the premises. Boatyards, for additional requirements applicable to marme service hd

%;.A,. q*/ 6-8 Fire Control.

stations.

b f 6-8.1 Listed portable fire extinguishers of appropriate size, type ' '* E*

• 6 ; ',], '

and number shall be provided. NFPA 10. Standardfor Portable Fire 7-2.1 General Provisions.

g 3, p W Extinguishers provides information on this subject. At least one ex-tmguisher with a mmimum classification of 20.B shall be provided at 7-2.1.1 Liquids shall be stored in approved closed containers not exceeding 60 gal (227.1 L) capacity, in tanks in special enclosures as

(

M*+ cach loading or unloading facility. Where piped water is available, described in 7-2.2 in aboveground tanks as provided for in 7 2.1.5, ready connected hose m size appropriate for the water supply shall or in tanks located underground as in Sectmn 2-3. Vent pipes on

,j g be provided at locations where fires aie likely to occur. 'anks storing gasoline shall be in accordance with 2-3.5.1. 2 3.5.2  !

fy' A and 2 3.5.6 as applicable, and shall discharge only upward in order

,;- f, . , 6,8.2 All plant fire protection facilities shall be adequately main- to disperse vapors. (Also see 7-8.3.4 and 7 8.J.5.)

g' W i tamed and periodically inspected and tested to make sure they ar-g.g(g g ,Y 1

always in satisfactory operating condition, and they will serve their purpose m time of emergency.

7-2.1.2 Aboveground tanks located at a bulk plant, shall not be connected by piping to service station underground tanks. Apparatus G 6.5h dispensing Class I liquids into the fuel tanks of motor vehicles of the W iDh 9 6-8.3 Bulk plants and terminals shall have a written emergency public shall not be located at a bulk plant unless separated by a fence .

[' Af M.; ) procedure plan. The plan shall be designed to minimite the harard or similar barrier from the area in which bulk operations are con.

g ,

W" to the public and,to plant employees in the event of a fire or other emergency conditions. The plan shall be posted, or located in a ducted.

2 c.O g g

'P Q strategic and accessible location. Plant personnel assigned to 7-2.1.3 Class I liquids shall not be stored or handled within a g;gg g emergency duties shall be trained in these duties. building having a basement or pit into which Hammable vapors can travel, unless such area is provided with ventilation which will pre-

[gAi g i

vent the accumulation of flammable vapors therem.

iw ,g 3

h, ;^p f 7-2.1.4 Accurate daily inventory records shall be maintained and  ;

h. ~ g I reconciled on all Class I liquid and dicsci fuel storage tanks for in-dication of possible leakage from tanks or pipihg. The records shall

'.3 % $ yk be kept at the premises, available for inspection by the enforcing authority, and shall include, as a minimum, records showing by pro-

%(N]',Me*@Mi@ duct, daily reconciliation between sales, use receipts, and inventory p;. T .h on hand, if there is more than one system consisting of a tank (s) serv-ing separate pump (s) or dispenser (s) for any product, the reconcilia-j{tg .p M"g 9 tion shall be maintained separately for each tank system. API  !

Publication 1621, Recommended Practice for Bulk Liquid Stock

[fsty n. i*f Control at Retail OutIcts, provides information on this subject.'

I

. - U ) p .t FAvaHable from American Petroleum Institute. 2l01 L St. N.W.. Wnhington, DC M JN f Jf' .

• t*q

, &, e 20037.

e Y, Y;

,w 30-107 yh,.ff, JW 30-106 rt.WMAB@_AND CoM BUsUni.E UQmDs CODE fROCFss:NG Pl. ann h

gr.w .W 8-3 Processing Buildings. []

g@b d ' [ Chapter 8 Process.mg Plants 8-3.1 Construction.

i pit 8-3,1.1 Process.mg buildings shall be of fire resistive or noncom.

l )f4 g M,y $ bustible construction, except heavy timber construction with load-bearing walls may be permitted for plants utilizing only stable Class i r$ ' Y+ 8-1 Scope, 11 or Class 111 liquids. Except as provided in 8 2.1.1 or in the case of p S,g'gQ g.f '"" 8-1.] Th.is chapter shall apply to thos'e plants or buildings which contain chemical operat.onsyuch as oxidation reduction, halogend explosion resistant walls used in conjunction with explosion iclieving facilities (sec 3-3. 4). load. bearing walls shall be prohibited.

3ps, a tion hydrogenation. alkylation, polymerization, and other chemical h Buildings handling Class I or Class 11 liquids shall be without g;.yg

. ., . , q ,  ;

processes but shall not apply to chemical plants, refineries or distillenes as defined and covered m Chapter 9. Refineries, Chemical basements or covered pits. Processing buil lings are normally limited in height and area, depending upon the type of construction and d j Plants and Distilleries. private fire protection provided, to minimire the possibility of fire of such extent as to jeopardige public safriy. processing buildings with

, galMI g 8-2 Location. ,

- numerous accessible extenor opemngs offer favorable features for 8-2.1, The location of each processing vessel shall be base d upon its fire fighting. Provision for smoke amt heat venting may be desirable I kI p* 4c3 hquid capacity. Processing vessels shall be located, with respect to to ass'ist access for fire fighting. NFPA 204. Guide for SmoAc and

p. yQ g ig;,g. ,.g distances to lines of adjoining property which can be built upon, in accorda. ice with Table 8 2.1, except i. hen the processing plant is Heat Venting, provides information on this subject.

f.. y -

designed m accordance with 8-2.1.1. .

8-3.1.2 Areas shall hase adequate exit facih. . ties arranged to pre- .l

[M % w@j hh@.

l' vent occupants from being trapped in the event of fire. Exits shall not ll P M1 4 l be exposed by the drainage facilities described in 8 3.2. NFPA 101, l 4k .

{ , Table 8-2.I Life Safety Code, provides information on this subject.

g heation of Processing Vessels from Property Lines l- 8-3.2 Drainage.

d 7,, , ,

> Processing Vessels

• • *# T "CI "'S . 3 flammable or combustthic ht]tnd leakage aml fire protection water to r On : 1 wit,h Emergency Relief Ventmg to Permit Pressure Stable Liquids Unstable Li9uids a safe location. Tins may reqm,re cutbs, scuppers, or special drainage N - systems to control the spread of fire (sce 2 2.3.1). Appendix A of )!

k Not in excess of 2.5 peig Table 2-6* 2M times A "W ".

tion. provides mformation on tlus subject.

1. 9 *!

Table 2-6*

k, Q (17.2 kPa) 10%ffh 45& . % Over 2.5 psig IH times 4 times 8 3.2.2 Emergency drainage systems. if connected to public sewers ,

Table 2-6* Table 2-6* or discharged into public waterways, shall be equipped with traps or j

k. (17.2 kPa) separators.

I h, f y.,, g

• Double distances where protection of exposure is not provided.

!.W :sy

.'. W . .

8-3.2.3 The processing plant shall be designed and operated io pre-vent the normal discharge of flammable or combustible liquids to [

$1 .S

%,,D@ y 8-2.1.1 The distances required in 8-2.1 may be waived when the public waterways, public sewers, or adjoining property.

. vessels are housed within a building and the exterior wall facing the

@9 j J, h '

.y*g -

line of adjoining property which can be built upon is a blank wall

, 8-3*3 Ventilation * '

Tgg - having a fire resistance ratmg of not less than four hours. When Class -

8-3.3.1 Enclosed processing build.mgs handh.ng Class I or Class 11 >

!M > IA or unstable liquids are handled. the blank wall shall have explo.

p%jg t,, k sion resistance in accordance with good engineering practice (see liquids shall be ventilated at a rate of not less than I cu ft,(0.02832 gy L.

8-3. f). m') per minute per sq ft (0.0929 m') of solid floor area. This shall be I

7% 9. .f,yeg -

, p, g .- a.  ;

hN

~

L

}2gg 5r, 30 126 Ft.AMM ABl E AND COMBUs'T!Bt.E UQUms CODE ArrEsoix c

~- 30327 Ew b ieC 4'31 Q

ME M [g . ,y, Appendix C !j:i

.g. ja 4

e c j j

(

p&. , g

. u.g .

I, , , ,

%' .T W j,.kY i 20 d " "'

1 i

i I m sprensa, a ..ep.,e jtsa aas. amants etus, strs daa.mr.r. s.: a ma.orsja,mjarm .

.fg t~ ru'rmn =+ l n g g

.c y ,( p g The fr,llowing contains additional information and recommenda- y

} .g j g 8 p @

~

p ,,, n a 3

."- g 33,

.} , Z M'el tions bearing the same number as the text of the Flammable and .o d=

Combustible Liquids Code to which they apply: j Sh],*fts ) .y

)

~ :E 8 e e c

. 4(w .m[ -[k

qys^

h% a, e C-4-4 The preferred method of storage of liquids in buildings is in cutoff rooms or in attached buildings rather than in inside rooms d.'

g

-o l.

j.g 3g

}

g e

g g g g

e g

g g

g e

g g g 7

because of fire department accessibility and the advantages of pro-y,gshp;p viding explosion venting where needed. a .]

gg A 3= - - - - ~

fn 3 ;:-

lgg g .a.. g C-4-6.2 (a) Sprinkler system densities and areas of application presented in this appendix are based upon limited test data and fire ho E *g*

o

.y c d

Ugl- a g g cf experience. Design criteria in this appendix do not apply to storage $

y,~ &;,g-l1lp  ;

in plastic drums. (See Appendix Dfor additionalinformation on this 3

.l}

' C : subj_ect.) g g

?

., .j '4 b $ Qlh. (b) ( For design criteria for specific installations. insurance ye 2E 3 x a,. y-Hip g

'a

}

}

• f

%? ,

engineers fire protection consultants. and other knowledgeable per-sons should be consulted. -@

{

m 30 ** h h, A,' W 2 , , , }-dh (c.) Palletired an g#

M r i %,Lq- h. quids, as specified ,d Solid Pile Storage. For protected storage of m Table 4 6.l(a). automatic sprinkler protection should be provided in accordance with Table C 4 6.2(a).

(3 m

E 1 8 ,.

j I-A f f f h f f 7

}

N,k f (d) Rack Storage. In protected storage of liquids arranged. as

= E.

j j(WN

.M%gh. specified in Table 4 6.l(b). automatic sprinkler protection should be provided in accordance with Tables C 4-6.2(by and C-4 6.2(c), as j

g {

y((g.

g {j $i U

Y g

-h"

.= m ,

j

, /

l i

@,.'-i. sf;]f"

?

applicable, except that ncks with solid shelves should be provided 3

.j

.e jg 3 u 5{ g3 di g. E 65 6 5 3 g.3 o y .

, , I J s:4 68 m,. m; -

with in-rack sprinklers at every tier or level y j gy 5 7 ij g" I

? gy El g 8

h

..I$% e n e- e4 ra f.),( ~..!:,-Q

?1' it . . , J-C-4-6.2.1 (a) Automatic aqueous film forming foam (AFFF). water sprinkler systems for container storage of liquids has been shown to 3

, 1 .p4

, Ej 4B L'8 -y ei ag ;of

=

.s j

' .a, 6 g.a" g o. 3 g B.g BS $g $Bg .

M 31f*.;g f be an acceptable method for providing fixed protection. (See Appen-dix Dfor additionalinformaticn on this subject.)

H g, .i 3 .jl a qg e

(

. k 4 lI*k A

(b) For design criteria for specific installations, insurance engineers, fire protection consultants and other knowledgeable per-d 2 1,y au *3.7 yy g*y

" "0- *so* y j*g_j},o{

-}j =j[ '

YM.i

.7 ^Q sons should be consulted.

I']

M Yh~ WMrh p (c) Rack storage of liquids in containers [ drums of 55 gal (208.1 dd fl M L) capacity) stored on end on wood pallets on conventional double- h

%ff(dbp P. . ,wQIM.

row racks to a maximum height of storage of 25 ft (7.62 m) should be Provided protection in accordance with Table C-4 6.2.1

> < vv>.4 [7 s

n f, , ao L

k. ,D"h, h r*f [!:

.2 f.'k'h ,. ' - M  ! * *

• g *p m

.#^

q -y Q p--,+D A; .*y,:;..p:.n.4, w g.fhg&

%K, m,Q .:sys Wr#gG *q, f.'

y.y i

s j . ".s y . e .

+ . g p~

g.j...m.%

j.s QQ,n.%.

h~ $

=M" ' ' '

e '

'~

. = _ y . _- ; . .. ..---

q } w;, l Liih} M'y.h. .

                                          -                                Table C 4 6.2(a) Continued                                                                          , t.e
                                                                                                                                                                                       . tap;i
                                                                                                                                                                                       ,1       %.

Storage Conditions whu ! Ceiling SprinUer Design and Demand $ . .Vp# i Area (sq ft) Minimum Minimum

                                                                                                                                                                                       @k                      l Class Liquid Cantainer Size Denn.ey gpm/          Ifigh          Ord.         Maximum llose Stream            Duration                   k
                                                                                                                                                                                                            -j a

and Arrangement sq ft Demand Sprink! cts & 5 Temp. Temp. Spacing (gpm) Ifose Streams +$  ! II portable tanks, two high $ gfx 0.60 5000 3000 80 sq ft 750 2 hrs > 5 gal. or less, with/without cartons, palletized or solid pile 0.25 3000 5000 120 sq ft 500 t hr . [z T ?j V., container greater than 5 gal., ,a on psHets or solid pile, on 0.25 A . 3000 5000 120 sq ft 6 K.'. g

                           --end or sides, up to three high                                                                              500                 1 hr III I      d .,
                                                                                                                                                                              @        dS container greater than 5 gal.,                                                                                                                 ,4 on pallets or solid pile, on                                                                                                                                   i' end or sides up to 18 feet high 0.35          3000           5000          100 sq ft              750 5          ^

g, 2 hre $ g portable tanks, one high 0.25 3000 5000 120 sq ft 500 '@ 1 hr portable emah, two high O 0.50 3000 5000

                                                                                                                                                                             +

80 sq ft 750 2 hrs j o t'l Notes: (1) See Table 4-6.l(a) and Section 4 6 for additional information pertaining u s.to protected paDe (2) Minimum home stream demand includes small hand 12ase (IM inches) required in 4-713 ... "' (3) The desigt, area contemplates the use of wet pipe systems. Where dr a possible delay which needs to be compensated for by increased areas cy pipe systems are re. quired,it introduces f application (plus 30 percent). 58 Unim i gal = 3.785 t.; I sq ft = 0 0929 m'; I - o. so se m. o nts for Rach Storage of 1.iquids 1 Table C4-6.2(b1 Autornade Sprinkler Protec o,n in Containers of fire G lo p ' i Ca as on Conventional wood Pallets t out rtons b It Scrapped to Pallets ., erlammable Aerosda Not included , Cet11as Sprinkler Deetan *utelm. Mintm.

                                     & Demand                                go.nack sprtakter Ansagement and Demand                                                                                     '.
                                                                                                                                                      % Dure                               .c Strea m Spri Claes               ues req f t) 1.lquid Densit7

• tilth Ord.

8,'q*[ Temp. Temp. SP8CI"g M a s. Racks up to 9 f t. 12.7m) deep Rackse m f t. g)8 deep r Q N'**,*$ '* Number of spetaktere Demand & iloes (gym) stream y ' h a) ord. temp. a) ord. temp. a) 8 sprin-g,, ,g ,ogy io sprinklers 8 feet spnnk'ers 8 feet gg g a art horizontally apart bortzont y b one line sprin- b) two lines sprio- W 6 pn-klers above each k!crs above each 3, g, ;g level of storage level of sgrage I c) locate m trane o,3y ,,, geyeg, 750 2bn

                    .S    0.40 3000 5000           gh, c) tulocate in longi-                                         30 . c) 6 sprin.

height)

                                                              , tag e                      'M8          '*

d) shields req'd and within 20 m. ] 3 le, ,. where multilevel of 8i818 d) shields re- levels quired where d) bydraulic-mu'tilevel ,13 y ,g,, ,,,

                                                                                                                            . mote u
                                                                                                                                                                               'o I

to ta

                                                                                                                                                                                         -* a.$. ea.

                                                                                                                      ."M , MMNYdD O'"iS $ $ $ %,mWy at .%c hI'hh                           h r...- [ M hip @/**/MT % @ yrgM 9 W M W F[p @i@ d @

me s%d-- ' -- . - - '

                                                . Q .- .y .         3;,        -._ ; n . ,, n .:2 .                 ;   -

_. *; , -#l. p ,e % e.% q r V. g,.

                                                                                                                                                                                      >3y Table C-4-6.2(b) Continued 3.yp[

[ } Celling Sprfakter Deelga

                                           & Demand G U      'd7 Qh
                                                                                                                                                                                      *A-k[I In. Rack Sprinkler Arrangement and Demand                           M talm.

Clase Minam. Area (sq ft) Hoea Duration Liquid Donalty Screa m Sprinkler

                                                                                                                                                                                           ?

gpm/ Hists Ord. M a s. Racks up to 9 ft. Racka oeer 9 fr. Minim. Number of Demand & Hoes . eq f a Temp. Temp. Spectog (2.7m) deep (2.7ml to il it. Nouale Sprtaktere (gym) Stream M (3.7m) deep a) ord. temp. a) ord. temp. Preeeure Operating (I ,wg y I a) hydraulic- - sprinklers 8 feet sprinklers 8 feet apart horizontally apart horizontally ally most re- p g j;i , b) one line sprin- b) two lines betw. mote - 6 ;l!! 'g([c ' ', sprinklers at m +9 11 klen betw. levels levels at nearest each level, up (mas. 0.30 3000 5000 100 sq at nearest 10 foot wnical tenals 10 foot vertical to max. of h

                                                                                                                                                                            %       1 ch C'-*f 3 25                                                                             intenals                            three Icwls ft/hd.       c) locate @in longs,-      c) locate in trans-         39 p,;,                      750     2 hrs height)                                                                                                                                                      p@,         A.4 tudinal flue space, verse flue spaces, staggered vertical staggered vertical                                                                  y           b.y.

d) shields required and within 20 in. 3 g? -d where multi'evel of aisle d) shields required d es g'ifw

                                                                                                                                                                                               .g where multifevel                                                             fl          n I2o '                                                                                                                 C           y
                       ,,    0.25 3000 5000            g,jhd        Same as Class II                                                    S                                   to Same as Cass II            30 psi.      g g^8           500     2 hrs        j           Q m           e Notes:(1) See Table 4-6.l(b) and Section 4 6 for additional information pertaining to protected rack storage.                                                  n Qf (2) Additional in.racir protection required for solid shelves, as indicated in D.4-6.2(d).

M f (3) See 4-6.3 for types of rack permitted. h (4) See 4-6.5 for additional information pertaining to in-rack sprink'ers. , (5) Minimum hose stream demand includes small hand hose (IH inches) required in 4-7.1.3 7 (6) The design area contemplates the use of wet pipe systems. Where dry pipe systems are required, it introduces g. . . a possible delay which needs to be compensated for by increased areas of application (plus 30 percent). y' SI Unh I gal = 3.785 L: I *1 ft = 0 0929 m'; I ft - o.so4s m; & in - ts.40 mm. DI

                                                                                                                                                                                             . ar '

4

                                                                                                                                                                                    'MW        4
                                                                                                                                                                                        -4 Table C-4-6.2(c) Automatic Sprinkler Protection for Rack Storage of Liquids in Containen Creater Than 5 Callon Capacity (See notes en follemma snee.)

Cetting& DemandSprinkler Design In-Rack Sprinkler Arrangement and Demend Mlaim. Mlaim. Ilose Durmelon Stream Sprinkler Area (eq it) / CIsme On-End Storage Mintm. Number of Demand & Home Llquid Denetty (on pattets) up to Nozzle Sprinklere (spm) Strea m spm/ lifsta Ord. Mas. On.SMe Storsge Rack.a up to 9 it. 9 f t. deep racks ' Pressure operating eq f a Temp. Temp. Spectog a) ord. temp. a) cnl. temp. a) hydraulic-sprinklers 8 feet sprinklers 8 feet ally most re-mote 6 sprin-apart horizontally apart horizontally b) one line sprin- b) one line sprin- klers at each  %.b .,. IA klers above each klers above each levei 2 hrs

                                                                                                                                                                                      ~$-. '
                       **   0.60 3000 5000                         tier of stor e              tier of storage             30 psi.                     1000
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• C) 30Cate in E h'58ht) tudinal flue space, tudinal flue space, pt stargered vertical stargered vertical ~O d) shields required d) shields required where multilevel where multalevel
• a) m a) above a) see a) above a) see a) abow IB,IC b) one line sprin- b) see b) above

                 & II                                  100 sq klen every three                  c) see c) above            30 psi.                       750     2 hrs (mas. 0.60 3000 5000                    ft/hd. uers of storage                  d) see d) above 2y c) see c) above height)                                              d) see d) above a) see a) above                      a) see a) above a) see a) above 111                                             b) one line sprin-         b) one line sprin-120 sq kleri every sisth                klers every third           15Pti-                       500      l br       w (mas.        0'25 3000 5000 40                                  ft/h l. level (maximum)                level (maximum)                                                             8 height)                                               c) see c) above            c) see c) above d) see d) above             d) see d) above

(&s mv3  % SI(* nits I gal = 1 ~% l.- I sq ft = 0 0929 m' 1 It = 0.3048 m: 1 in. = 25.40 mm. G

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UNITED STATES OF AMERICA NUCLIAR REGUIATORY COMMISSION In the matter of CAROLHA POWER k LIGHT CO. Et al. ) Docket 50-h00 Shearon Harris Nuclear Power Plant, Unit 1- ) 0.L. CE!tTIFICATEOF SERVICE 3d WE Notice of Documents Relied Upon and I hereby certify that copies of Previous 1v Served. ~AsgTi nnnv-in-Chief and case-in-chief on Joj nt Contentio~n I and EdcTemst9 h3,4@t ' 7 0f

     ronosed W.Em Exhibits on Contention 116 and nr TNe;&dn                               f(s
      =EmA % (4Pnh aks/ 9c Eme.rgeum Ptawwc AM Mt Euk.id HAVE been sefved this         o   day of      A uc.u d-     198L,bidepos,1,tg, dancy the US W il, first-class postage prepaid, upon all parties whose nanes are listed below, except those whose nanes are marked with an asterisk, for whom service was accomplished by M S (A Ph (JAI Y h k f8 W h b ' N N OY&hf O/?pr19Utd klin g GSDccuAsuck                                     4kt v ka Judges   sSedOf Dtis rw  w/ R' James Ke11ev, crc  r  ep 6 cs4s'fvNi herGre+ yoshu.&p caH erfdrweg@Bar)ter-N
                                            -                            TN NSt ivnmw GlennBrightandJanasCarpenter(1copyeac{h)QlgI-Tuge .

Atonic Safety and Licensing Board US Nuclear 9egulatory Connission Washin6 ton DC 20555 GeorEe F. Trowbridge (attorney for Applicants) Shaw, Pittman, Potts & Trowbridge R uthanne G. Miller 1800 M St. NW ASLB Panel WashinEton, DC 20036 USNRC Washington DC 2C65 5 Office of the Executive Legal Director (, % Spence mA W. Perry R m 840 Attn Doeke ts 50-400/h01 0.L. Orai To 500 C St. sW USnRC Washington DC 20555 Washington DC 207EO Dan Read Docketing and Service Section (3x)

• CEA?UE/FLP t,t Ax 215-)

Attn Doeke ts 50-h00/hC1 0.L. . Office of the Secretary Maleigh,p wpegigiigiosNC 2760Q

                                                       ""' Li"d" "* Littl*

a naton DC 20555 Governor's Waste Mst. Bd. 513 Albenarle B3dg John Runkle - 325 N. Salisbun St. E" ' '8 Granville Ed . Chapel Hill Nc 2751k Bradley W. Jones Robert Gruber USNRC Region II Travi.a Payne Exec. Director 101 Marietta St. Edelstein & Payne Public Staff Atlanta GA 30303 Box 1260'] Box 991 Raleigh NC 27605 Raleigh NC 27602 Richard Wilson, M.D. Certified by h 729 Hunter St. Apex NC 27502}}