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Image 75 of The Kentucky building code / Judith G. Walden, editor

SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY TABLE 414.2.2 - TABLE 414.2.4 TABLE 414.2.2 DESIGN AND NUMBER OF CONTROL AREAS PERCENTAGE OF THE MAXIMUM FIRE-RESISTANCE RATING ALLOWABLE QUANTITY PER NUMBER OF CONTROL FOR FIRE BARRIERS FLOOR LEVEL CONTROL AREA' AREAS PER FLOOR° IN HOUR$° Higher than 9 5 I 2 7-9 5 2 2 6 12.5 2 2 Above grade g 5 3 50 2 l 2 75 3 1 1 100 4 1 1 75 3 1 Below glade 2 50 2 1 Lower than 2 Not Allowed Not Allowed Not Allowed a. Percentages shall be o1` the maximum allowable quantity per control area shown in Tables 307.7tl) and 307.7(2). with all increases allowed in the footnotes of those tables. h. 'l`hcre shall he a maximum ol` two control areas per lloor in Group M occupancies and in buildings or portions of buildings having Group S occupancies with stor- age conditions and quantities in accordance with Section -114.2.-1. c. Fire barriers shall include walls and lloors as necessary to provide separation from other portions of the building. TABLE 414.2.4 MAXIMUM ALLOWABLE QUANTITY PER INDOOR AND OUTDOOR CONTROL AREA IN GROUP M AND S OCCUPANCIES NONFLAMMABLE SOLIDS AND NONFLAMMABLE AND NONCOMBUSTIBLE LIQUIDS °’°‘l CONDITION MAXIMUM ALLOWABLE QUANTITY PER CONTROL AREA Solids Liquids gallons Material“ Class (pounds) (pounds) A. Health-hazard materials-—-nonflammable and noncombustible solids and liquids l. Corrosives"· ‘ Not A • licable 9.750 975 2. Highlv toxics Not A licable 20b·‘ 2“·° 3. —· sal A . llalllle 1.000 “ B. Physical-hazard materiaIs—n0nIlammable and noncombustible solids and li I uids 4 Not Allowed Not Allowed 3 1.150 115 l. Oxidizers"·" _ 2 2.250 225 _ 10.000 1.000 4 Not Allowed Not Allowed 3 550 55 2. Unstable trcactives)"·‘ 2 1.150 1 15 _ Nm Limitsd Nm Mmm 3** ° 550 55 3. Water (rcactives) 2l”·‘ 1.150 115 _ N¤t1—imi¤€d N¤*1~imit¢d For Sl; I pound : 0.454 kg. l gallon = 3.785 L. a. Ha/ard categories are as specitictl in the [}llt'l'Il(1Il(llIlI/ Fire (Yule. b. Maximum allowable quantities shall be increased 100 percent in buildings that are sprinklered in accordance with Section 903.3.1 .1. When Note c also applies. the increase 1`or both notes shall be applied accumulatively. c. Maxintuin allowable quantities shall be increased 100 percent when stored in approved storage cabinets. in accordance with the [l1f€I`lI(1Il0ll(l]FlT£’ Code. When Note b also applies. the increase lor both notes shall be applied accumulatively. _ _ d. See 'l`ablc 4l-1.2.2 1`or design and number of control areas. e. Allowable quantities 1`or other hazardous material categories shall be in accordance with Section 307. I`. l\l1aximttm quantities shall he increased 100 percent in outdoor control areas. 2002 KENTUCKY BUILDING CODE 61

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