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(f) Reference minimum distances for use in Tables FL10 to FL13, inclusive.
Table FL10
Type of Tank 
Protection  Minimum Distance in Feet From Property Line Which May Be Built Upon, Including the Opposite Side of a Public Way ans Shall Be Not Less Than Five (5) Feet 
Minimum Distance in Feet From Nearest Side of Any Public Way or From Nearest Important Building and Shall Be Not Less Than Five (5) Feet 
Floating Roof 
Protection for Exposures 
1/2 times diameter of tank but need not exceed 90 feet 
1/6 times diameter of tank but need not exceed 30 feet 
None  Diameter of tank but need not exceed 175 feet 
1/6 times the diameter of the tank but need not exceed 30 feet  
Vertical with Weak Roof to Shell Seam 
Approved foam or inerting system on the tank 
1/2 times diameter of tank but need not exceed 90 feet 
1/6 times diameter of tank but need not exceed 30 feet 
Protection for Exposures 
Diameter of tank but need not exceed 175 feet 
1/3times the diameter of the tank but need not exceed 60 feet 

None  2 times diameter of tank but need not exceed 350 feet 
1/3times the diameter of the tank but need not exceed 60 feet 

Horizontal and Vertical, with Emer gency Relief Venting to Limit Pressures to 2.5 psig 
Approved inerting system on the tank or approved foam system on vertical tanks 
1/2 times Table FL15  1/2 times Table FL15 
Protection for Exposures  Table FL15  Table FL15  
None  2 times Table FL15  2 times Table FL15 
Table FL11
Type of Tank 
Protection  Minimum Distance in Feet From Property Line Which May Be Built Upon, Including the Opposite Side of a PublicWay 
Minimum Disatnce in Feet From Nearest Side of Any Public Way or From Nearest Important Building 
Any Type  Protection for Exposures

1 1/2 times table FL15 but shall not be less than 25 feet 
1 1/2 times table FL15 but shall not be less than 25 feet 
None  3 times table FL15 but shall not be less than 50 feet 
1 1/2 times table FL15 but shall not be less than 25 feet 
Table FL12
Type of Tank 
Protection  Minimum Distance in Feet From Property Line Which May 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 
Floating Roof 
Protection for Exposures 
1/2 times diameter of tank but need not exceed 90 feet 
1/6 times diameter of tank but need not exceed 30 feet 
None  Diameter of tank but need not exceed 175 feet 
1/6times diameter of tank but need not exceed 30 feet 

Fixed Roof 
Approved foam or inerting system 
Diameter of tank but need not exceed 175 feet 
1/3 times diameter of tank but need not exceed 60 feet 
Protection for Exposures 
2 times diameter of tank but need not exceed 350 feet 
2/3 times diameter of tank but need not exceed 120 feet 

None  4 times diameter of tank but need not exceed 350 feet 
2/3 times diameter of tank but need not exceed 120 feet 
Table FL13
Type of Tank 
Protection  Minimum Distance in Feet From Property Line Which May 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 
Horizontal and Verticle 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 FL15 but not less than 25 feet 
Not less than 25 feet 
Protection for Exposure 
2 1/2 times table FL15 but not less than 50 feet 
Not less than 50 feet  
None  5 times table FL15 but not less than 100 feet 
Not less than 100 feet  
Horizontal and Verticle Tanks With Emergency Relief Venting to Permit Pressure 
Tank protected with any one of the following: Approved water spray, Approved inerting, Approved insulation and refrigeration, Approved barricade 
2 times table FL15 but not less than 50 feet 
Not less than 50 feet 
Protection for Exposure 
4 times table FL15 but not less than 100 feet 
Not less than 100 feet  
None  8 times table FL15 but not less than 150 feet 
Not less than 150 feet 
Table FL14
Capacity Gallons 
Minimum Distance in Feet From Property Line Which May 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 
12,000 or less  5  5 
12,001to 30,000  10  5 
30,001 to 50,000  10  10 
50,001 to 100,000  15  10 
100,001 or more  15  15 
Table FL15
CapacityTank Gallons 
Minimum Distance in Feet From Property Line Which May 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 
275 or less  5  5 
276 to 750  10  5 
751 to 12,000  15  5 
12,001 to 30,000  20  5 
30,001 to 50,000  30  10 
50,001 to 100,000  50  15 
100,001 to 500,000  80  25 
500,000 to 1,000,000  100  35 
1,000,001 to 2,000,000  135  45 
2,000,001 to 3,000,000  165  55 
3,000,001 or more  175  60 