B-1.1, r. 2 - Construction Code

Full text
8.48. Siting of an aboveground tank must conform to the requirements of the following Tables 2 and 3:
TABLE 2
SITING OF ABOVEGROUND TANKS
TABLE 3
DISTANCES BETWEEN TWO ABOVEGROUND TANKS
__________________________________________________________________________

Tank capacity Minimum free distance
__________________________________________________________________________

Tanks where none exceeds 1 m
230,000 L
__________________________________________________________________________

Tanks of various capacities, One-half of smallest tank
one only exceeding 230,000 L diameter, but never less than 1 m
__________________________________________________________________________

Tanks of equal capacity, each One-half diameter of one tank
exceeding 230,000 L
__________________________________________________________________________

Tanks of various capacities, One-half diameter of smallest
each exceeding 230,000 L tank
__________________________________________________________________________
D. 220-2007, a. 1; 87-2018O.C. 87-2018, s. 28.
8.48. Siting of an aboveground tank must conform to the requirements of the following Tables 2 and 3:
TABLE 2
SITING OF ABOVEGROUND TANKS
__________________________________________________________________________

Minimum distance, in metres, measured
horizontally, between any point on
outside tank shell and

___________________________________________

Tank Product Dike centre line Closest Property
capacity when required by building* line
(Litres) sections 8.60 and
8.61
__________________________________________________________________________

2,000 to Class 1 D D D

5,000 Class 2 and 3 0.5 0.5 1.5
__________________________________________________________________________

5,001 to Class 1 D D D

47,000 Class 2 and 3** 1.5 1.5 1.5

Class 3 - flash 0.5 0.5 1.5
point above
93.3 °C
__________________________________________________________________________

47,001 to Class 1 D D D

200,000* Class 2 and 3** D D D

Class 3 - flash 1 1 D
point above
93.3 °C
__________________________________________________________________________

200,001 to All D 5 5
400,000

400,001 to All D 9 9
2,000,000

2,000,001 to All D 12 12
4,000,000

More than All D 15 15
4,000,000
__________________________________________________________________________
D: The greater distance between 3 m and one-half tank height. Tank height is measured from the bottom of the diked area.
* For tanks installed inside a building, distance is measured from the tank shell to the walls and ceiling of the building housing them.
** Class 3 products with a flash point not above 93.3 °C.
TABLE 3
DISTANCES BETWEEN TWO ABOVEGROUND TANKS
__________________________________________________________________________

Tank capacity Minimum free distance
__________________________________________________________________________

Tanks where none exceeds 1 m
230,000 L
__________________________________________________________________________

Tanks of various capacities, One-half of smallest tank
one only exceeding 230,000 L diameter, but never less than 1 m
__________________________________________________________________________

Tanks of equal capacity, each One-half diameter of one tank
exceeding 230,000 L
__________________________________________________________________________

Tanks of various capacities, One-half diameter of smallest
each exceeding 230,000 L tank
__________________________________________________________________________
O.C. 220-2007, s. 1.