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HomeMy WebLinkAbout~Master - Regulating Flammable Liquids i ORDINANCE 140. AN ORDINANCE REGULATING THE USE, HANDLING STORAGE AND SALE OF FLJUIIABLE LI(� ID AND PRODUCTS THEREOF Tit, I3SUANcc, OF PERIM . AIHs RZFOR A D PROVIDING FOR THE JITSPEC�IO OF STORAGE FACILITIES l"ID = Ea.�.sz—S' UP014 WHICH :SAID ST6 GE FACILITIES ARE LOCCATED AND P OVIJING PENALTIES FOR A VIOLNTIt:N OF SAID ORDD A3CE. Be It Ordained by the City Council (( �of the � City of Ames, Iowa: CHAPTER Section 1. APPLICATION TO NEW .414D XIST.I- G Ia SITAII.,ATIOINS. i Tyiis ordinance shell apply to all plants, stores, equipment and installations, storing, handling; or usinF. f1ammilable liquids, eithe lexisting prior to the effective date of this ordinance or construc�- ed or put in place subsequent thereto, except as )rovided in Section 10 hereof. All persons, firms, and corporations storing, handling' or usinf flammable liquids within the corporate ltmits ref the City of Ares, Iowa, shalt be governed by this ordinance whether or not specifically nerved in the ordinance. Section 2. CLASSItt ICAT OI)l OF FLA [.'ABLE LI�4UIDS. (a4) For th lurpose of t1iis ordinance, fl ami.�able liquid, are divided into thre classes, according to the flash -joint, as follows: Class I. Liquids with flash point below 25 deE,;rees Fah- renheit (-d de,,-,reel �,entlgra.de) closed cup tester. Class II. Liquids with Flash r)oint above tai�i.t for Class I and below 70 degrees Fahrenheit (21 degrees Centigrade) closed cur} tester. Class III. Liquids with flash point a7l7ove that for Clas II aired below 200 degrees Fahrenheit (93 1/3) degrees Centi- crr,ade) closed, cup tester. (b) The flash point -,hall be determined w}.th the al?.iott, Abel, .Abel-Pensky, or the Tad; closed cup testers, but the Tad; cloy d cup tester shall be :�uthoritative in case of dispute. All tests s.-:'all be - ade in accordance ;:pith the methods adopted b;r the -,v3eric Societ,,r for Testinf, Materials and a.,proved by the American Standards Association. (c) Representative exa,�ples of the classes of Flamriable Lio,ulds are: Class I Class II Class III Ether Alcohol Kerosene Carbon bis.cl')hide Amyl acetate Amyl alcohol I gl_ass I (cont. ) C*L,--,.sr, II (cont. ) Class_ITT (cont. ) Gasoline Toluol Turnentine Neptha Ztilyl acetate Fuel oil Benzol 11'ethyl acetate Collodion Acetone Section 3. MiLNUFACTUMED LIQ;JID CO-:-' �ODITJ!,--s INCL(IDED. Any manufactured liquid or fluid com-lodity, such a a Daunt, varnish, dryer, cleanin-- solution, and polig. int- liquid -Which contains flammable lic.pu1a,,3 shall T)e conr-,ide,2ed a flammable liquid and shall be classed by Section 2 according to the flash point of the mixtur i. Section 4. DZFLNITIi,:145. For the -pul-pose of interpreting this ordinance the following, words, ter-is a:;d exprersions are here�I by defined: (a. Co ntainer. A container sh.all be any can, bucket, barrel, tank or other vessel, except stati(>nary or fL-Ked tanks, tank wagons and tank cars, In w.1iich flammable liquids or mixtures are stored or ?gent. (b) Permit. A Permit is the written authority of the City Manager, or his authorized agent, issued pursuant to the requirements of t1his ordinance for the manufacture, storage, sale, or use of any fin.ished or unfinished product or article coveredby this ordinance or any material eintering, into the composition thereof. (c) Retail Store. By retail store shall be meant a store or oTh- 4.n w1nich flamma-ble liquids are sold direct to consumers. (d) Jobbe By jobber shall be meant a person, firm, or cornor-tion. sel,lim, flammable liquids at whblesUse. (e) Paint ;tore. By a paint store shall be meant a store or build*.--ig in w3d.ch ttre stored, handled end sold at retail, paints, varnishes, oils and flcnm-nable liquids, alc)ne or witll t1ae a,)purtenances necessary to such material. (f) Painte . By a painter shall * =e meant a person., fin-a, or corporation handlin , and m'xing T)r-Ant v,--,.rnishes, a am oils and other flmable lirm'ld.s to be used by himself or his employees on premises other than those controlled by him. (9) llanufrcturinf� Plant. By manufacturing plant is meant any factory or establishment In w'1ch )eoT)le axe employ- ed In the ha,,.ndlin,-., 1.n process of manufacture' of flammable liq,,ilds in other than original sealed containers, in mixing or compounding of flammable liquids o- in tlle usinp- of a f lamiatle liquid in the mnnufac-ture of production of any article. 'Ahen the use, storin[j, or handlin-,, of flammable liquids in such a manner as to peim It the e'- scaz-)e of flammable Vapot is entirely within fir.e-r-esistive rooms with no openings to any oth�-r part of the building and with vill-ndows equi:,�.ped with wired glass and metallic frames and arranged to close automatically in case of fire, the remainder of the building shall not be J.ncluded under the tem. "Manufacturing Plant". (h) Storehouse. By a storehouse is meant a building other than a ret,-7.,.!..1 store where flarvaable liquids are stored in quantity for futupe sale. -2- Section 8. FJ�111UJIT. If, f,,fter inspection of the premises, the conditions, surroundings and arrangements are found to be such -15,1hat the requirements of this ordinance are fulfilled, lie shall issue a permit therefor. Section 9. INSPECTION REQ[JIRED BEFORE I313T.4%,LL,%TI0N IS COVEER0. Wben It is proposed to install covered storage of flamma-ble liquid� an application for a permit, as req,,-tired by Sect-I.;--)n 5 and 7, shall) be made. Before such storage is covered, a written recuest for inspection shall be submitted to the City Manager. The City Lianager shall riali:e an inspection within forty-eight (48 ) hours fro'l the receipt of such rearrest and after inspection. shall give 'I' s written approval or disapproval thereof, indicating thereby that the ter-ras of this ordinance have been met or wherein such con- struct-ion fails to meet the terms of t"lis ordin,;.nce. Section 10. EXCEPTIONS. (a) This ordinance shall apply in all -carts to all flammable liquids of Class I, Ci,-,rs II, and Class III dispensed or stored within the corporate limits of the City of .4anes, Iowa, except that the following provisions shall not apply to underground or above--ro7,..tnd storage t°,-nks of five-hundred (500) gallons or --,reater capacity w11-11cl., are permanently lnstalled on the date of the 7 1 of this ordlnn,nce. Underground Storage Tan e Sec. 31 nar. ka), and See. 36 parts. (a) (b) and (c) Abeve ,round Storage Tanks Sec. 32 parts. (a b ,nd (c), 'lec. 37, and Sec. 40 par. (b) (b) The reoi;ireiments of Section 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 9-8, and 29 shall specifically apply to Jobbing plants, storehouses, retail stores, and ),-,.int and. oil stores, and shall generally ap-oly to the storage, use and handling; of flaznable liqtiida elsewhere. CHAPTIEM II G&IERAL f1,EQ1UI1MAENTS FOR THE STORAGE, USE AND HAIMING OF FLAMIIABLE LI(,jTJIDS. Section 11. CLASS I AND II LI(--�UIIDS PROHIBITED IN PLACES OF I BLI%C' AS3E1L,,BL)r .. No Class I no., Class II 11qiiids shall be kept or stored in any room used for public assembl-y in any school house . religious, amusement or other buildinf._� used for public assembly, -4- I esrcept in laboratories used for experimental purposes. Section 12. STORAGE (V CLASS I A 1D IT LIQvUIDS "'i� AR EXITS, E , No Mass I or Class II liquids may be stored viit'r in ten (10) feet of any stawirv-,ay, elevator or exit exce}at in sea-led containers or when stored in a space separated from the staimmy, elevator or exit by a fire-resistive partition. Section 13. TWO EITS REQUIRED IN STORES AND PLANTS. In all! stores and in all ,jobbers and manufacturing plants in which fl mable liquids are stored at least two (2) exists shell be provided ' one of which shall be remote from the storage. Section 14. HANDLING LIMITED IN BUILDINGS OCCUPIED BY FAIJILI:ES. The mixing storing, or handlin,,� o� y n � ��, f�, �, _ flamr��,ble liquids i of Class I and II in oven containers, is prohibited in any store, in any building housing, more than tno families or in a frame building; housing; more than one family, provided thf-:.t ti_i, shall not apply to drug stores where flammable liquids are used in mak- in ; a,nd compoun(Unp- medicines and prescriptions. Section 15. DISTRICTS. In order to minimize the jhaza.rds of Vine handling and storing; flamriab?e liquids, the follo gyring districts within the city are hereby created and the regulations herein set forth shall apply to the. iandling and storage of all flenmable li.cui ds In such districts. (a,) District "IT," Lot 6, Block 8, Duffs Highland Park A.dditi gin; The West 100 feet of Lo us 9 and 10, Bloch 1, Lee 's Addition; The 'Vest 90 feet of the .ast 1/2 of Lot 7, Block 5, Duff ' s Addition; Lot 9, Block 4, Lee 's Addition; Tie North 1�0 feet of Lot 1, Block 16, College Park Addition; Blocks 38 and 40 of Second Addition; That part of the Southwest Quarter ( S` ) of the Southeast 1' a.r'ter (V' ), Section 2, Township 83, Range 24, lying; Fast of Carroll Avenue, South of Fifth Street and North of the Chicago and North ',Ye stern Railway; Blocks 10, ll, 12, 13, 14, and 15, and the South 120 feet of Blocks 7, 8, and 9, all in the Orig-inal Tovrn of Ames; Bloch 17, and Lots 4, 5, 6, 7, 8, and 9, -5- Block 19 of Blair' s Addition; Lot 3, Bloc's 45 (except the `Jest 25 feet thereof), and Bj.ocks 46 and 47, all in T1,1rd Addit on; Lots 3 and 4, Bloc',,- 29, College Park Addition Second North; Blocks 1. 2, and 4, and Lots 1 2, Block 5, and Lots 1 and 2, Block 3, and the South 72 feet of Lot 7, Block 6, all in College Park Addition; Lot 1 in Northeast Quarter (NEj) of Northeast U-Narter of Section 10, Township 83, Eanp,-e .0.4; Lot 4 in Northwest Quarter (NVI-,) of North,<,,est quarter (N') of section 11, Township 83, Range 24; Lots 1, 2$ 3, 4, and 5, Block "A", Blacks Third Addition; Lots 1 end 61 Block 4, and the North 60 feet of Lot 1, and the North 60 feet of the 1,.ast 10 feet of Lot 2., Block 3, and Lots 1, 2, 7, 11, 12, and 13, Block 1; and Lots 5, 6, and 7, Block 5; all in Black 's Addition; Lots I -nd 2, LockiTmod's AdCjit7,-on; Ail of Ames Grain and Coal Addition; That land lyin­- betmeen the West line of Lot 13, Lockwood' s Addition, and Kellogg Avenue; Block 49, and Lot 1 of Block 48$ Fourth Addition; Lots 3, 4, 5, a), 9, and 12, Kingsbury's Addition; Lots 1 and 2, Block "B" and Lots 2 and 3, Bloc'-, "A", of Kingsbury' s second Ad(,Ati.on; Lot 2,, Biock, I., and Lot 1, Block 2 Of ".1'eatth's Addition; Blocks 15 and 18, and Lots 1, 2, 3, 4, 5, 6, 7, 8$ 9, and 10, Block 16, Borne's Additi.on; The 'Nest 2 acres of the South 10 acres of the Southeast quarter (SFJ) of the Southeast Quarter ( j), Section 2, Toimship 83, Rcange 24; That Part of the Southeast ;"J'uarter ( ,Szv, ) of the Southeast Quarter Section 2, Township 83, Range 24, lying betvie;en the Clliic,-4 0 and North Western Railway and 'Ziast ;33econd 3treet, and extending 575 feet East from the East line of Borne Avenue; Lot 3 in North- west 4marter (NIVIi.) of the Northeast �uarter (NE-D , Section 11, Township 83, Ran,-e 24; The South 60 feet of the East 240 feet of the est 273 feet -)f the South,.T,,est (17tiarter (SIVVL ) of the Northeast (.-Ijuarter WE,.) , Section ll,, Township 83,, Range 24; All of the Right-of-Vlay of the Chicago and -6- North Railway extendi'Arr froiii a point 745 feet Ilest of the -East corpor.*.tion line of the City of Ames to a line running from the Northeast corner of Lot 1,, Block 5, Collef-.;e Park Addition to the Northwest corner of Lot 6, Block 29, of College Park Addition Gecond North; All of the right-of-wa,,- of the Fort Dodge, Des Moines and Southern Railway between the West line of Grand Avenue and the 'gent line of Oak Avenue, (if extended) ; Thn,t part of Lots 2, 5 and 24, Parker's Addition, lyin,-, North of the Fort Bodge, Des Moines and Southern Railway; Lot 3 and the North 70 feet of Lot, 2, Riverside Addition; The North 180 feet of Lot 1, Parker's A:Ikdition; Lots 1, 2, 3, 4, 5, and 14, Block 1, Beardshear' s Addition; All of Block 4, and Lots 6, 6, 7., Bt 9, and 10, Block 5, of Auditor' s Plat of Blocks 3, 4, and 5, Beerdshear's Addition and. "I'alter's Subdivision; The IEast 1/2 of Lots 1 and 2, Block 1, Lee and Little' s Addition; The North 26 feet of Lot 3, Block 1, Lee' s Subdivision in North- west quarter (N*,,,7t',D of Northl.::est (,luarter (NW4-), Section 9, Toi,,mship 83, Range 24; Sublot 10 of Lot 13 of West Half Otis) of Southwest Quarter (Slazi), Section 4, Town- ship 83, Range 24; The South 50 feet of the 140 feet of Lot 2 of Otis, Illsley and Parnon 's Subdivision of Lot 4 and part of Lot 5 of "lest Half (W-J) of 6 uth- o ixest quarter ( SIRZ) , Section 4, Township 83, Range 24; Lot 9 and the East 65 feet of Lot 10 of Otis, Illsley and Parson' s Subdivision of Lot 4 and part of Lot 5, of "''rest Half of Southw-,est C�uarter (S11j), Section 4, Township 83, Range 24; The Tlast 50 feet of the South 75 feet of Lot 19 Lot , Stanley' s Subdivision of Lot 6, of Nest Half 01-) of Southwest Qunxter (311j), Section 4, Township 83, Range 24; The "'est 50 feet, and the North 68 feet of the East 50 feet of the `elest 100 feet, of Lot 1, Athletic Park- Addition; The North 102.2 feet --7®- of Lot 8, Athletic Park Addition; The East 62.4 feet of Lot 8, Woodland Park, Addithn; Lots 1, 2, 20, and 21 J.,, of Block 2, and Lots 23, 24., 25, 26, and 27 of Block 1,, 'West Ames Addition. (b) District "R11 All other land located within the cor,)orate limits of the City of Aries, Iowa ar.d not Included as a part and �-,,-,.rcel of District "IL". Section 16. UTORAGY, I1SSIDE BUILDIIJ("rS TNI DISTRICT "IL". The storage of fla.-,nable liquids inside all boil din,,<-:;s within District YIL14 shall be as follows.- (a) In f rpo�e bui1d1nrs: Class I and Class II - Storaf,,re prohibited. Class III - Maximum limit of any tank or container 60 gallons, exce-)t as provided in Secti-on 40. (b) In other than frame buildings: Class I - In sealed containers or s,,,,,,fety c&1-1s of not more than one (1) gallon capacity and not exceedinC a total of ten (lb) gallons. Class II - In sealed containers or safety cans of not mo-e than five (5) gallons capacity and in barrels, drums, or tanks of not ,more than sixty (60) ,,allons capacity. (Total quantity stored in t1tis manner unlimited. Class III - In sealed containers of not more than five (5) gallons capacity, in barrels, and drums and in tanks, not exceeding one hundred C' twenty (120) gallons capacity, except :-,.s mitted In Section 40. (Total quantity stored in this manner unlimited. ) (c) provided t';-i,-t In a special storage room or fire- resistive buildln[.;, conforming to requirements given in Section 18, an unlimited quantity of all flammable liquids.. except Class I, may be maintained therein. Section 17. STORAGE _P'NSIDE BUILDII-IGS ITT DISTRICT "R". The storage of flazimable liquids inside all buildings wit'-sin District "R" shall be as follows: (a) In frame buildings: Class I - In sealed containers or safety cans of not more than one (1) gallon capacity, and not exceeding a total of ten (10) gallons. Class II - In sealed containers of not -,ore than five ( 5) gallons capacity and in barrels, drums, or tanks not exceeding sixty (60) gallons capacity. (Total quantity stored in V'is i--ianner unlimited. Class III - In sealed containers not exceeding, five (5) gallons capacity, in barrels, drums, or tanks not exceeding on(-, hundred t1venty (120) gallons capacity 4 except as .permitted in Section 400 (Total quantity stored In t'hAs manner unlimited. ) (b) In other than frame buildin,';s: Class I - Not exceeding fifty (50) gad Ions in sealed cont�-J.ners or s,,,fety cans of not more thaji one (1) gallon capacity. 9 Class II - In sealed containers or safety cans of not more than five (5) gallons capacity, in drums and barrels and in tanks not :exceeding one hundred twenty (120) gallo-,-s capacity. (Total quantity stored in this manner unlimited. ) Class III - In sealed containers, drums, ball-rels, and tarj,:s not exceedinv- two hundred forty (240) gallons capacity, exce.-,-)t as permitted in Section 40. (Total quantity stored in this manner unlimited. ) Section 18. SPECIAL STORAGE ROOMIS OR BUILDINGS. (a) Special rooms or buildin,�-s for the storage of flammable liquids and the handling and use of flammable liquids shall, where required by other sect"Lons of this ordinance, be constructed in such manner as to afford not less than one hour ;'ire protection when tested in accordance w-1th the standard fire test of the National Board of Fire Underwriters (Appendix C of Bj.jilding Code, The National Board of Fire Unclerjvriters, Fifth Edition, 1934). N The following types of construction will be accept- able as meetin,_ this requirement: (1) 17alls carried continuously fro,,i floor to ceil- InC and securely anchored If constructed of four (4) inches of reinforced concrete; metal lath encased in solid cement or gypsum plaster not less than 2' Inches thick; gypsum or cement nlaster t least 3/4 inch thick on metal lath on each side of stud partitions or 8 inch tile, 1.,,:,!-psum or concrete blocks covered with 1/4 inch cement piFister on each si(�e. (2) Ceilinf-'s shall be of construction eq',aIvalent to not less th,?.,n 3/4 Inch of cerient or gypsum plaster on metal lat.'n'. (3) Floor surface may be of T,,Yood if laid over non-combustible material. (4) Windows shall be of wired glass in metallic sas-h and. framqes. (5) Doors oT)enin1­ to other rooms or building shall be provided with non-combustible sills raised 6 inches. SuchL openlm--s sha-11 be protected with incom- bustible fire doors of the automatic or self-closing type. Proper room ventilation shall be provided. Section 19. CONTA*1NERS FOR STORAGE C-T CLASS I LIQUIDS. Except w1rlere 1,ent in sealed containers, Class I liquids shall be kept In, storar.!,e tanks underground or ontside the build.-ing and no discharg,e systel'i shall have an outlet '_twice the building unless in a special room in accordance wit'l-, Section 18 of Vis ordinance. ! Safety cans of not over 10 ,allons capacity may be used in any part of buildings, exce,-t that if over one gallon capacity, they shall be kept and used in special rcons In accordance with Section 18. Section 20. CONTAINERS FOR STORAGE OF CLASS II Uf,�IUIDS. No receptacle containing Class II liquids and over five gallons Capacity may be used to fill other containers and appliances un- less outside the building or in a special room in accordance with Section -1-3. S4ction 21, WOSED WINDOWS MUST 11kVE WIR2D GLASS. Any building other than a frame building, within the limits of Distric; -4 III", containing more than 500 gallons of flammable liq-,ii(�, Is in other than sealed containers and wlt!'.in 50 feet o-j" any other buildinp), shall have all windowe 1-n side and rear walls and above first floor on street fronts provided with wired r-,lass In metalic sash and frame. Section 22. UANUFACTURI�,'G PLANTS PROHIBITED I'lli BUILDINGS OCCUPIED AS DWELLINGS. No manulaacturinf:, plant shall be located in any building used as a dwelling for more tht-ui one family un- less all Class I liquids ae kept in safety cans not exceeding one quart in capacity or In outside storage tanl-s with no dis- charge inside the building. Section 23. KETTLES, VATSP IETC. Kettles, vats, saturators, , and otl,-ier vessels used in manufacturinF processes, and contain trig more than five gallons of flammable liquid, shall not be Located. within five feet of combustible material nor within five feet of any exit, unless two or more exits are provided, and all combustible floor thereunder within a radius of ten feet shall be protected with non-combustible coverinr. . All kettles and other open vessels shall be provided vvrith substantial covers arranged to close automatically in case of fire or which can be -il- asily and reb;.dily placed in posit onl or provided with an auto- :tic extinguishAn ; device. Section 24. VE14TILkTION. Rooms in w� Ich Class I and. II iquid.s as-•e used in open vats, vans or other vessels, or in which lasses I, II, and III liquids are heated or ot_ . .rise treated n such manner as to produce flammable vapor, shall be yell entil =.ted. Wheµe natura.1 ventil_wt lon is not sufficient the City liana er may req =.ire forced ventilation with a, vent openin( of at i east 20 square inches in the wall at the floor level near each ! pen receptacle containing such liquids, or each heatinf; device tom which vapo ps may escape, and opposite to any door or other ,ir inlet. Such openings shall. be covered with 2x2 mesh No. 16 alva.nized wire web and shall be kept clear of all obstructions. rom each vent opening; a flue of at least 20 square inches area d of non-coribustible materials, built into the wall. or floor r securely fastened thereto and so arranged as sot to be sub- ject to mechanical injury, shall conduct to and through a spark- less exhaust fan, to be run continuously, and. which shall be of sufficient size to chant e the air in the room completely every five minutes. All discharge outlets of vent ,pipes s`rta.11 be pro- vided with 12x12 mesh or eq�. ivalent non-corrodible wire screen and skill be so located that they not expooe surround ng property. Any ether eq,,Jivalent system of ventilat 1.on may be used. Section 25. EXTINGUISHERS RF:( C9IIM, . ,-,here flammable liquids are 1111ept, (except In sealed contp.iners) u .ed, or handled, a quantity of loose non-combustib'.e absorbents, such as dry sand ,:-,r ashes, together with pals or scoops and chemical ex- tinguishers rot her extint.,uishing devices or materials :-hall be ,::,rovided in such quantities and be available in such locations as may be directed. by the City Manager. Sect! n 26. -STORAGE Or, BARRELS .ZD DRbUS LI11ITED. With- in the limits of D--strict "IL" barrels a.nd drums containi.n, Cl ass I, II, or III liquids stored outside any buildln, shall not be ailed upon each other nor stored in a passageway or be- neath any window and no open lif,hts shall be ,permitted in any such s toraFe yard. Section 27. DRUMS AND BAR 1EL s MUST R.F. Kla)T CLOSED. Drums -12- or barrels for flammable liquids shall have caps, plugs Pnd bunt,-rs replaced immediately after packagre As emptied. j Section 28. 51,10KING PROHIBITED. In all rooms or parts of buildini-s Vnich contain flammable ll uids in open containers or in which the vapors fro,,,l flammable liquids are resent, or in w`Y=1ch flammable liquids are used in any manufacturing process., the carrying of matches -1s prohibited, and. smoking, shah'. be a misdemeanor. Sizitable signs lettered 11SLIOKING PROHIBITILD" shall be displayed. Section 29. LIGHTI1JIG SHALL BE BY FL.-,,CTRI CITY. Flammable liquids shall not be drawn nor 'handled in the presence of open flame or fire, but may be drawn and handled when li,-ht1n,,;- Is by incandescent electric lamps. CHAPTER III STORAGE TA14KS - CAPACITY, LOCATION AND RMRICTIOt;S Section 30. STO-RAGE 11UST BY, OUTSIDE BUILDlir"CS. Except as otherwise provided in this ordinance the storage of flammable liquids shall be outside buildin.,-s, in under round tanks or above ground tanks; except that the storage in tn�iks above ground and outside buildin s is prohibited iaithin the lim.its of District "IL". f3ection 31. UNDE-MGROUND STORAGE L111"IMED. (a) Tank a buried undergro-ravjd shall have the top of the tan', not less than 2 feet below the surface of the ground and below he level- of any piping to r1rich the tanks may be connected, except thqt, in lieu of the 2 foot cover, tanks may be buried under 12 inches of earth and a cover of reinforced concrete at least 5 inches in thickness provided, 1.,4hich shall extend at least one foot beyond the outline of the tan7k, in all directions; the concrete cover to be placed on a firm well-tamped earth foundr:�.tion. '-,fhere necessary to prevent floating 5rh e r e a , tanl.s shall be securely anchored or weighted. 1 tail: cr,,.' �.not be entirely buried, it shall IF)e covered over vil th earth to a depth of at least 2 feet with a slope on all sides not steeper than l-_i. feet horizontal to 1 foot vertical. (b) The limit of store permitted shall de,,: end upon the location of the with respect to the building to be supplied and adjacent buildings as follows: 1.1aximum C5-:- Y .L)acit of Tanks for Underground Storage Location Maximum Allowable Stornj�e If ton of tank is lower in Ga 17-o n a than all floors, basements, Class I, I I, and III Class III cellars, or '?it of all Under 1000 F. Flash Above lk00o bull din.,c,--s. Point F.Flash Point (a) 'Within radius of 50 feet Unlimited Unlimited �b� 40 11 50"000 5000000 cr, If t, 30 P03,000 21003,000 (d) 25 15jP000 150.,000 (e) 20 50000 1000000 10rt 2$000 750000 If within 10 feet of any building and the to-. of the tan'K is above the low- est floor, basement, cellar or pit of building. 550 50$000 Tank located beneath a, building shall be below P-11 portions of that building, and is limited in capacity only in respect t other build inr�-s as given above tinder ,(a) to GO . Section 32. CAPACITY AND LOCATION OF ABOVE, GROUND TXJK3. (a) Above Ground storage tanks for Class I, II, eand III liquids located inside the limits of District 11R11 shall not be placed nearer to adjoining property or to the . nearest buildin,r than the f minimum distances specified in. Table 1. TABLE 1. LIXIMMUM Di-91RIMIca of kq A.1t).Qve GpotjnLl Tanks Lfor � _I, U and III Liguidga to Linc of Ad o es J� o in In P-_rt r to Nearest Buildir, Minimum distance to line of Capacity of Tan'- in adjoininIg Pronerty or nearest Gallons building'. 0 - 1, 000 5 feet 10001 - 31000 10 feet $001 - 21p000 20 feet 21,001 - 31,000 30 feet 31o001 - 45,000 40 feet (b) At marketin�-,-, stations and elsewhere, truck load- ing racks shall be separated from tanker, warehouses, and other plant buildings , by distances at least eqizivalent to V-ose speci- fied in Table 1, (c) The minimum distances between above ground storage tans.-s shall be in accordance with the following table: -1 A TABLE 2. Minim,= D stances Bf,!�trg� n -kLov oun---g Gr C3 Taroks tip gss 1, L1�2 III Ligtids. Capacity of Tan'-r (or of the larger Minimum Distance of twco twlks between which distance Betio yen Teals is to be measured) (Gallons) 18,000 or less 3 feet 18,001 to 240000 5 feet 24,001 to 42,000 10 feet 48,001 to 75J.000 13 feet 7115.1 _)Ol toloot000 15 feet Over 1000000 a distance equal to the diameter (or the greatest horizontal dimension of the taniz, if not cylindrical) of the tan'P- or of the of the two tanks between Wlrlich distance is to be r1easured. Section 33. OPLIINGS T�,! ABOVE GROUND TANKS. Zach above ground tank, inside or outside a buildinp-,, over 300 calions In capacity shall have a breather or vent openin-j (except-1.ng safety E valves) which openinf7 shall be com1pletely covered with ,), 40:440 mesh non-cor:,_,odible 'sire screen or other P.,".0oroved flame arrester. The screens on openln[ s may be removable but sbal 1 be 1cept normally firmly attached. me covers for r,,,ianhole­s, he-ndlioles -,.nd gauge hobs shall be made tilght fitting. Section 34. EMERGENCY ROLI17 OF EXCESSIVE rN*T'.1R1,T.AL PRESSURE (a) All above ground tanks used for the storage of Class 1, no or III liquids shall have some form of relief for t-,rove-i-it-t-ig the development of excessive intem-_d pressure in case of -fire surrounding the tank. 71�is may take the form of either a weak seam in the ton or at the joi�­Lt between the ton and the shell of the tank, or some other adequate form of emergency relief con- struction. (b) Vertical tan!-Is with cone roofs having a slope of less than inches in 12 Inches where the strength of the joint between the roof and the shell is no F,-reater than the weakest vertical joint in the shell r1hall require no other form of emer- gency relief construction. (c) Cone roof vertical ta-,1111s not nrovided -,rich a creak seam of approved design and flat roof vertical and horizontal tanks sha-11 be 7,rovldied with vent openings no "Iess In area than those specified in Table 3. TABLE 3. Free '=meKf,,engy, -iLxce - )n 2_e1 I cv_Q Regu.Arga to 1 wive Pressures In Above Gro nd. TanTzs for the jforage of Class I, .1j, and III Liquids. Capacity of Tank Area of Free ODeninF in square inches (unobstructed by valves, in Gallons c9iscs, etc. ) required. Cove roof Flat roof vertical Vertical Tanl7s & horizontal ta-Ra 0 - 1,000 gals. 12 5 1,001 - 4,000 gals. 35 11 4,001 - 18.,000 gals. 71 24 1 B,0 i-,'l - 25$000 gals. 89 28 25,001 - 56,000 gals. 127 41 Section 35. ABOVE' GROUND TAIIKS LABELED. Above -;round talk- a for Class I and II liouids shall have painted conspicuously in letters at least 2 Inches high, the wording, "FLA12,1ABLE - K'1'112 FIRE AWAY". Section 36. MATERIAL OF UNDERGROUND TANKS. (a) Tanks shall be constructed of Open Hearth steel or of wrought iron of a thickness not Less then that specified in TPble 4. For liquids heavier than 35 0 A.P.I. , tan, '-s may be of concrete construction of equal strength to that specified for metal in Table 4. .Vj,-IBLE 4. UndeMpo�-4nd and Enclosed Storage TRnka Minimum thickness of material Capacity Gauge (Gallons) (U. i9). Standard) Lbs. per sq. ft. 1 to 285 16 2. 50 286 to 560 14 3.125 561 to 11100 1112 4.375 1,1�01 to 4,000 7 7. 50 4,,001 to 12,,000 1/4 inch 10*00 12,001 to 20.'000 5/16 inch 12.50 200001 to 30t000 3/8 inch 15.00 For tanks of 1100 gallons or -iore a tolerance of 10 per cent in capacity shall be allowed. (b) All material lif-1-iter than No. 7 U. s. Standard gaug,e shall be galvanized. (c) For Class III liquids, if adequate internao bracinfg* is provided, tanks frol,"I 12,001 to 30p000 gallons capacity may be built of steel plate 1/4 inch thick. (d) All joints shall be riveted and caulked, brazed, ,,,,,eld_ed or made tight by some equally s,-tisfactory process. All connections shall be made thirough the to,'D of the tank above the liquid level. (e) �Ilith the approval of the City 1-11anager, tan'rs of copper or other si)itable material t.,iay be used if after the neces- sary handlILnf,,, incident to installation they elre equivalent in strength, riC7idity,, durability and tightness to the steel or iron tanks described above. Section 37. MATERIAL OF ABOVE CIRGUND TA',_KS. (a) Tanks (including tops) shall be constructed throughout of Open Hearth steel or of wrought iron of a thickness ir accordance with the follo-ffin,,c.,, req,. ire rents. No open tank sha.11 be used. For liquids of 350 A.14".I. or heavier, tanks many be of concrete construction equal in strength to that specified for metal tanks of the same capacity. (b) Horizontal or Vertical Tanks not over 1,100 capacity: Capacity-(Gall-ons) 1.1inimum thickness of material 1 to 60 18 grau­e (U. S. Std. 61 to 350 16 351 to 560 14 561 to 1100 12 (c) Horizontal Ta_,iT7,s Over 1,100 Gallons Capacity: (1) Tanks havinE, a diameter of not, aver 6 feet shall be glade -,f -,,.t least 3/16-inch steel. Tanks having, a diameter of over 6 feet and less than ll-;_- feet shall. be made of at least 1/4 inch steel. (2) Joints s'!Ii,-,Il be riveted and caulked, riveted and welded, or -welded. Tank heads over 6 feet in diameter shall be dished, stayed or "­,reced. Tanks shall be i'Droviaed with emergency re-",ief openinErs meeting the requirements of Section 34. (d) Vertical Twuks Over 1,100 Gallons Capacity: (1) Tanks of t_�iis class shall be of such material and so constructed to "'?,,.ve a factor of safety of at lea (2) The minimum thickness of shell or bottom shall be 3/16 inch. The minimum thickness of roof shall be 1/8 inch. (3) The t1licllsness of plates shall be in accord- F-,.nce with the following formula: t 2. 604 x H x Di F x S T x Where, t = thickness of �)lF,,.te In inches. H = heigh t of t,-.,.n'- in feet above the bottom of the ring., un,, er con si,'eratinn D = diameter of the tan- In feet. F = factor of safety (taken 2. 5). P) = specific ,::ravity of liquid stored (water T = tensile strength of ple-te Ln poiinOs per square Inch. = efficiency of vertical joint _..n ring under consideration. (e) The toisile strength of the steel shall be tPJ:en as 55,000 pounds T1,er square inch, and the shearing strength of rivets shall be taken as 40,.000 pounds per square J.nch. (f) Roofs or tops of tponks shall hove no unprotected openings. Roofs or tops shall be firmly and permanently Jointed to the tanlc and all join-us alhall be riveted and c8U?1'ed,, brazed, or welded. (9) With. the anproval of the City Manager tanhs of copper or otn-er si.iitable 71aterial r.,iay be used 1.f after tl,e necessary !-,iandlLn,, incident to installation, they are equivalent I.,a strength., rigidity, durability, and tight- nexs to the steel or iron tanks described above. Section 38. C,IM)TRUCTICN OF TAT'IKS. (a) Tanks shall be riveted, 1,,ielded,, or brazed and be soldered, caulked or 01-Iherlrjise made tir.,ht in a mechanical and workme.nlikze manner, and if 'to be used with a pressure discharge system shall sustain a hydrostatic test at least double the nressure to r.h.1ch tank may be subjected. Tanks stall be covered with red lead., asphaltum, or other non-rusting paint or coating. All pipe connections shall be made through r_.� flanges or metal reinforcements securely riveted, ,:;,eided or bolted to the tpaih- end shall be made thoroughly tight. -18- (b) Tanks shall �e constructed. entirely of metal,, in- cluding top, sides and bottom; all openings shall be gas tight, except breathor vent, which s1r)all be screened as provided In Section 33. Section 39. FOUNDATIONS: GROIJINDIINIG: DYKES. (a) All tanks shall be electrically grounded by restin- directly on moist earth or electrically t;roumded to pen,,ianent moisture. No insulated con- n8ctions shall be permitted. Utility poles or ot1-ter -_,rojections liable to act as lightning discharge points shall be kept not less than 25 feet from tanks. All steel work of reinforced concrete tanks shall be interconnected and grounded by an approved method. (b) Tanks more than one foot above the ground. shall have foundations of non-combustible materials except that wooden cushions may be used; no other combustible material shall be per- mitted under or within 10 feet of any above -round o,,.,tside storar.;e tank. (0) Supports for outside above ground horizontal taInks shall be of concrete, of masonry, or of steel protected by con- crete or other a nroved fir proof ink;. These supports shr.11 be so designed that their strength will not be materially affected by fire. (d) All tanks containing crude oil or other liquids W'I,-ich have a tendency to boll over, and all tanks exceeding 50,0001 gallons (1200 barrels) capacity shall be adequately and properly d1ked with a dike Waving,,, capacity no- less than equal in volume to that of the tank or tanks surrounded, minimum height or earth dikes to be 3 feet and of masonry dikes 30 Inches and said masonry dike so constructed so as to safely withstand hydrostatic pressure equal to the heighth of such dike. (e) Tanks of less than 500000 gallons (1, 200 barrels) capacity shall, when deemed necessary by the City Ilanager, on account of character of topography or nearness to buildings of public assembly, be di..ed or the. entire yard, provided with a curb or retaining wall or otl-,er suitable means taken to prevent the dis- charge of liquids on to other property in case of r�_i,nture in tank or Pi-Ding. Provided that when tanker are vertical and set on a solid foundation and exposed piping which will permit delivery -19- from tanks is protected from mechnnic,-,,1,l injury such dike or curb may be omitted. (f) "ihen dikes surround tai,,!1_s containing crude oil, they sllall h,,,),ve in addAtton to the above capacity,, copl�,g or de- flector projecting in_pard constructed to avoid the effect of a "boll-over" wave. Dikes surrounding crude oil tanks shall be not less than 50 feet from the shell of the tank or tanks surrounded. (g) The capacity of dikes req-i.Ared by this section shall be properly maintained. 1'�.arthen dikes s1r.all have a flat section at the top of not less than 3 feet and shall have a slope consistent with the angle of repose of the materials of they are constructed. Section 40, STATIONARY TAMS IINT BUILDLNG. INSULATION OF TANKS; PEMISSIBLE (-ZUANTITIZ8. Tanks in buildin,,,s shall be con- structed and installed as follows: (a) Ta=­,ks for Class II and III liqlAds of 120 gallons or less capacity shall be of steel or ti,,;i plate with al']_ joints locked, double seamed or riveted, and also soldered or made tight by some equally satisfactory method, material shall be, of not less than No. 16 gauge U. S. %'itandard; Original barrels, or drums may be used until contents are drawn, if placed to prevent tipping or rollinj­, v,7ith pump inserted throe g h a close fitti.1,tg co-.,,nection in side or head. (b) Tan` s for Class II and III lia,,Ads of capacities from 121 to 275 ;,,ollons shall be constructed of No. 14 gauge U. S. Standard, steel or wrought iron,, larger tanks shall be of thick- ness, specified in Table 4, Section 36. (c) Tan,,,-.s s1-iar. be located below the level of any pipinf to 1.-ihich they may be connected, or if this is impracticable, arrangements shall be Ytiade to %;)rev(-,,nt siplioning or gravity flow In case of accident to the equipment or pipinf,-,. (d) Tai3O.,.a shall be set on a firm foundation and those exceedi-,nig 2500 gallonns capacity shall be supported Independently of the floor co,,,,struction. . (e) Tan!.s for Class III lic,,iids shall not exceed 275 gallons ..,.ndividual capacity or 550 [,;�!llons aggregate capacity in one building unless installed in an enclosure or casinf constructed j as f ollo-�-,,78: The wa-' 19 of the enclosure shall be conetructed of reinforced concrete at least 6 Inches t.hick or of masonry at least 8 Inches thick., and shn,11 be bonded to the floor. The space be- tween the tank and the enclosure shall be corlpletely filled with sand or well tw:,.ped earth. Where the floor or oth�-r co- struction immediately above the tank in of fire-resistive construction cap- able of safely sustaining a load of 150 pounds per square foot, the walls of the enclosure shall be carried to a hei,,' not less than one foot above the tank and the space filled with send or well tamped earth to the top; ot-herwise the enclosure shall have a top of reinforced concrete at least 5 inches thick or of II equivalent constx-action. Instead of an enclosure as above described the tank may be encased in reinforced co-,,.crete -Lot- less then 68 inches in thickness, applied directly to the tank so as to co, ,.pletely eliminate any air space. Section 41. DEFECTIVE INSTALLATIONS. Defective or leaky tanks or a,�-_)lianoes shall be niade tight immediately, replaced or removed from use. CILA1'TER V. PIPING & OTHER APPUIRTENAETCES. section 42. NO CONNECTI('114S TO DIU111S. No .1amk shall be connected to any house or sub-surface drainage system and such tanks shall be so arranged as to prevent the flow of flammF,ble liquid to any such system. Section 43. VZNITI!�G (01F TA YS. (a) An open galvanized iron vent pipe arranged for proper draining, or an automatically operated vent, shall be -._'rovided for every tank w2)ich may contain flammable vapor. The lower end of the vent pipe shall not extend through the top into the tank for a distance of more than one Inch (b) Vent openings shall be screened., or provided with a flame arrester, and shall -0e of sufficient area to permit escape of air or vapor during the filling operation. Vent openings, except those automatically operated, shall in no case be less than one inch in diameter. Screens and arresters shall be accessible for exa,,,,iInf7t_!on and removal. Vent -)ipes shall be provided Faith weatherproof hoods and terminp.te outside of build:�.n3­ 12 feet above toy) of fill �pipe, or, If tight connection is ma .e in filling line to a point one foot above the level of the top of the highest reservoir from the tanks may be filled and ,preferably not less than three feet, measure 11,,.orizontally and vertically, fr.,-,m, any window or other buildinr-r o-oeninft where a _)ower pump is used in filling storage tanks and a tij3ht conniection is made to the fill pipe, the vent shall be no smaller than the fill pipe. (c) Individual vent ,�)ipes s-'riall be provided for each tank, exce-;-)t thrat ,where a. battery of tanks desi.,,:°ned to hold the same class of is installed, the vent pipes s1fiall be -.Iro- vided with screens betw7-en tank and header and the connection to the header s1nall. not be less than one foot above the level of the top of the highest reservoir from which the tar ks may be filled. Section 44. VALVES IN' DaWING.-OFF PIPE"S. All drawing-off pipes terziinat=nf, inside of any building shall have valves at the discharge end; when delivery is by gravity, -)ipe shall have a shut-ofa' valve (which shall preferably be of the automatically closing type) and In addition shall have an emergency valve. -22- Section 45. VALVE NEAR TANK IF ABOVE GROUND. Where tanks are above ground there shall be a valve located near the tank in each pipe. In case two or more tanks are cross-connected there shall be a valve near each tan:r. in each cross-connection. Section 46. P-LWS. Pumps delivering to or taking supply from above ground storage tanks shall be provided with valves on both auction and discharge of pump and in deliverinfi, to tanks a check valve to prevent flow of liquid from tank to pump. Electric motors or internal combustion engines shall not be --laced beneath ! tanks or else where within the line of vanor travel. Section 47. PIPING IREQUIUMIENTS. All pipin'. used for flammable liquids shall ',;e of the standard weight wrought Iron,, steel or brass pipe for wor1king pressures less than 100 pounds per square ln,.ch; for workiy'FF, -,,-_)rcssures In excess of 100 pounds per square inch extra heavy ipe and fittings shall be used. No pipe less than one-half inch internal diamtter aInall be used. Outside piping shall be protected, against any mechanical injury when with- in 5 feet of ground level. Inside pipirg, shall be rigidly support- ed. Section 48. L&AKY PIPI111G. Defective and leaking piping � shall be made tight imiediately or replaced. Section 49. PIPES FOR CLASS I AND 11 LIVIDS III ROOMS CONTAINING OPEN FLuU'1ZS. Piping carrying Class I and II liquids, unless without joints or connections,, shall not extend through any room which contains any open light or fire. Section 50. FILLING PIPS. The end of the fillir2g pipe for underf_,,round storage tanks for glass I and 11 liquids shall be carried to a location outside of any building, but not vilthin 5 feet of any entrance door., or cellar opening; this filling pipe shall be closed by a screw cap* Section 51. DaIVERY TO STORAGE TAIi'KS. Deliveries of flam- mable liquids of Class I and II, where practical, shall be made directly to the storage tank through the filli­,1C pipe by means of a hose or pipe between the fillinr, pipe and barrel, task wagon or tank car from which such liquid is being drawn. i Section 52. YUFIPS RE�:�UI�ED. Except as permitted in Section I 54, flam.mable lir,uids shall be drawn from tan:! s by pumps so const*t- ed as to prevent leaking or splashing, with controlling apparatus and so arranged as to allow control of the amount of dis- charge and prevent leakage or discharge inside the building, by any derangement of the system. When inside a building, the pump or other drawing-off device shall be located on or above the 'rase , Floor, preferably near an entrance or other well ventilated place. Section 53. 1,10 GRAVITY F&SD PEFUITTED. Excent as ner- mitted in Section 54 no tanks, drams nor other conta�Ln.ers '.nside a. buildinf,, or discharging inside a buildin{;;, shall be Drovided I with a faucet or other bottom-drawin, device which will permit the gravity flow of liq_,ids inside the building. Wipes shall not termin;-r.te at any point lower than the level of source supply. Section 54. EXCE TIONS TO SECTIOU S 52 A14D 53. The City llana,� er may permit the stora.-e and p-ra.vity flor of flammable liqui in connection with domestic oil burnim'., equipment, In m. nnufactur- in- and Jobbing plants where the nature of the manufacturing pro- cess requires such storage and flow, and also the storage and z-°ravity flog, of commodities of Classes II and III in stores, plant and establishments, where the nature of the liquid xill not permit pumping; provided that the contents of tanhe holdings; Class I liqui shall be sufficient only for one day's operati.an and such storage shall be in a room in accordance with Section 18. These exception shall. not apply to gasoline service or fillingstations or to dry cleaning; e stabli,sl-meats. Section 55. RELIEF VALVES FOR PUMPS FOR E`G ax ES AND FUM OIL E��,UIMMTS. In systeris using; pumps to supply auxiliary tanks or headers, which feed internal combustr:n engines or fuel oil burners, provisions shall be made to return surplus ail to the supply tawnk,, any valve in the line shall be of the pressure relief type. Section 56. FUM COIL EQUIPPIMMS. In equipments for the use of flami_ia,ble liquids as a fuel under -,oilers, furnaces, kilns, ovens, etc. , storage tan'cs shall be located as 4_,iven in `sections 31, 2 or 40. Section 57. VIOLATIONS AND PENAL7.1r. Any person, firm or corpor,,7,.tion v.Lolrting any provif3.".-In of t1his ordinp.nce shall,, upon convict_41.on., be imprisoned in jail not to exceed thirty (30) days,, or f ined not to exceed One Hundre d Dolls.rs (`AOO.00) Section 58. REPEAL OF CU'FETCTING ORDINANCES. All ordi- nances or parts of ordinances in conflict herewith are hereby repealed. Such repealing$ hontever, shall not exeq�)t from prosecu- tion any person guilty of violating; any ?rovisions of such re- pealed ordinances, nor shall It exel,".pt premises or storage facilities e-l-ected or re,)aired In violation of said ord-1nances fron removal or destructi,,nll on orders of the City Council. section 59. VALIDITY. Should any section, paragraph, sentence, clause, or phrase of this ordinance be declared un- constitutional or invalid for any reason, the remainder of said ordinance shall not be affected thereby. Section 60. 'IHIIJ EFFECTIVE. Zlis ordinance shall be in full force and effect from and after il,­,s passE,.,ge and publicatic,n as provided by law. Passed the 8th day of March _, 1`9 43 Mayor Witt to City _Clerk- Published in book of ordinances entitled, "The Ordinances of the City of Arnes, Iowa, 1943". 1, J. -X. Prather, City Clerk of the Uity of Amesjowa, do hereby certify that the above and foregoing Ordinance No. 588 was duly and properly passed at a meeting of the City Council on the 8th day of March 1943, and published in the book entitled "The Ordinances of the City of Ames, Iowa, 1943" . 44a e�r, City Clerk.