Any Type Protection for 1½ Table 3-6 but 1½ times Table 3-6 but Exposures not less than 25 feet not less than 25 feet Any Type None 3 times Table 3-6 but 1½ times Table 3-6 but not less than 50 feet not less than 25 feet Table 3-3 Boil-Over Liquids Type of Tank Protection Minimum distance in Minimum distance in Feet from property Feet from nearest line that is or can be side of any public upon, including way or from nearest the opposite side of a important building on public way and shall the same property be not less than 5 ft. and shall be not less than 5 ft. Floating Roof Protection for ½ times diameter of 1/6 times diameter of exposures tank tank None Diameter of tank 1/6 times diameter of tank Fixed Roof Approved foam or Diameter of tank times diameter of ⅓ inerting system tank Protection for 2 times diameter of times diameter of ⅔ exposures tank tank None 4 times diameter of times diameter of ⅔ tank tank Table 3-4 Unstable Liquids Type of Tank Protection Minimum distance in Minimum distance in Feet from property Feet from nearest line that is or can be side of any public built upon, including way or from nearest the opposite side of a important building on public way the same property Horizontal and vertical Tank protected with Table 3-6 but not less Not less than 25 ft tanks with emergency any one of the than 25 ft relief venting to permit following: approved pressure not in excess water spray, approved of 2.5 psig inerting, approved insulation and refrigeration, approved barricade
Any Type Protection for Exposures 1½ Table 3-6 but not less than 25 feet 1½ times Table 3-6 but not less than 25 feet Any Type None 3 times Table 3-6 but not less than 50 feet 1½ times Table 3-6 but not less than 25 feet Table 3-3 Boil-Over Liquids Type of Tank Protection Minimum distance in Feet from property line that is or can be upon, including the opposite side of a public way and shall be not less than 5 ft. Minimum distance in Feet from nearest side of any public way or from nearest important building on the same property and shall be not less than 5 ft. Floating Roof Protection for exposures ½ times diameter of tank 1/6 times diameter of tank None Diameter of tank 1/6 times diameter of tank Fixed Roof Approved foam or inerting system Diameter of tank ⅓ times diameter of tank Protection for exposures 2 times diameter of tank ⅔ times diameter of tank None 4 times diameter of tank ⅔ times diameter of tank Table 3-4 Unstable Liquids Type of Tank Protection Minimum distance in Feet from property line that is or can be built upon, including the opposite side of a public way Minimum distance in Feet from nearest side of any public way or from nearest important building on the same property Horizontal and vertical tanks with emergency relief venting to permit pressure not in excess of 2.5 psig Tank protected with any one of the following: approved water spray, approved inerting, approved insulation and refrigeration, approved barricade Table 3-6 but not less than 25 ft Not less than 25 ft