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34 \WISCONSIN ADMINISTRATIVE CODE <br /> Ind 8 <br /> equipped with emergency venting which will permit pressures to exceed <br /> 2.5 psig,shall be located in accordance with Table 8.19-2. <br /> (d) [2-2.1.41 1. Every aboveground tank for storage of liquids with <br /> boil-over characteristics shall be located in accordance with Table 8.19- <br /> 3. <br /> 2. Liquids with boil-over characteristics shall not be stored in fixed • <br /> roof tanks larger than 150 feet diameter, unless an approved inerting <br /> system is provided on the tank. <br /> (e) [2-2.1.5] Every aboveground tank for the storage of unstable li- <br /> quids shall be located in accordance with Table 8.19-4. . <br /> (f) [2-2.1.6] Every aboveground tank for the storage of Class IIIB <br /> liquids, excluding unstable liquids, shall be located in accordance with <br /> Table 8.19-5 except when located within a diked area or drainage path <br /> for a tank or tanks storing a Class I or Class II liquid.When a Class IIIB <br /> liquid storage tank is within the diked area or drainage path for a Class I <br /> • <br /> or Class II liquid, par. (a) or (b) shall apply. <br /> Table 8.19-1 <br /> Stable Liquids (Operating Pressure 2.5 psig or Less) <br /> Type of Tank Protection Minimum Distance Minimum Distance <br /> in Feet from Property in Feet from Near- <br /> Line Which is or Can est Side of any Pub- <br /> be Built Upon,Includ- lic Way or from <br /> ing the Opposite Side Nearest Important <br /> of a Public Way and Building on the <br /> shall be Not Leas Same Property and <br /> Than 5 feet Shall be Not Leas <br /> Than 5 feet <br /> Floating Roof Protection for 1/2 times diameter of 1/6 times diameter of <br /> Exposures• tank tank <br /> None Diameter of tank,but 1/6 times diameter of <br /> need not exceed 175 tank <br /> feet <br /> Vertical with Approved foam or in- 1/2 times diameter of 1/6 times diameter of <br /> Weak Roof-to- erting system on tanks tank tank <br /> Shell Seam not exceeding 150 feet <br /> in diameter•• <br /> Protection for Diameter of tank 1/3 times diameter of <br /> Exposures• tank <br /> None 2 times diameter of 1/3 times diameter of <br /> tank,but need not ex- tank • <br /> ceed 350 feet <br /> Horizontal and Approved inerting sys- 1/2 times Table 8.19-6 1/2 times Table 8.19-6 <br /> Vertical with tem on the tank or ap- <br /> Emergency proved foam system on <br /> Relief Venting vertical tanks <br /> to Limit Pres- <br /> sures to 2.5 psig <br /> Protection for Table 8.19-6 Table 8.19-6 <br /> Exposures• <br /> None 2 times Table 8.19-6 Table 8.19-6 <br /> •See definition for"Protection for Exposures." <br /> "For tanks over 150 feet in diameter use"Protection for Exposures"or"None"as appli• <br /> cable. <br /> Register,March, 1982,No.315 <br />