### S-3, r. 2 - Regulation respecting safety in public buildings

44. Heating oil tanks: No tank may be used under pressure to feed fuel-fired heating appliances.
(1)  Heating oil tanks are permitted:
(a)  inside buildings:
i.  without enclosure, when:
(A)  no more than 230 litres are stored above the basement or above the lowest floor;
(B)  the tank is located in the basement and the capacity of such tank is 2,300 litres or less. In such a case, the total capacity permitted shall be 4,500 litres;
ii.  with enclosure, when the capacity of the tank is greater than 2,300 litres. In such a case, the total capacity permitted shall be 55,000 litres;
iii.  with enclosure and located in a room which is vertically and horizontally separated from the rest of the building by a fire separation with a fire-resistance rating of at least 2 hours, when the capacity of the tank does not exceed 90,000 litres. In such a case, the total capacity permitted is 180,000 litres;
(b)  outside buildings and above ground level, in populous areas, when:
i.  the tank does not obstruct any exit;
ii.  the total capacity of such tanks does not exceed 2,300 litres when such tanks are located at ground level; or if
iii.  the total capacity of such tanks does not exceed 230 litres per heating units when such tanks are located above basement level;
iv.  such tanks are fastened by means of fixed anchors made of non-combustible materials;
(c)  underground, when:
i.  such tanks are laid upon solid foundations;
ii.  embedded in running soil and not in dross;
iii.  protected against damages that may result from the passing of vehicles;
iv.  securely fixed to the foundations;
v.  located so that no pressure be exerted by the foundations on such tanks.
(2)  The enclosure required in subparagraphs ii and iii of paragraph a of subsection 1 shall:
(a)  be made of bricks or concrete;
(b)  have a fire-resistance rating of at least 3 hours;
(c)  be fastened to the floor which shall be made of concrete or of fire resistant material;
(d)  have a ceiling of reinforced concrete not less than 125 mm thick or of equivalent material;
(e)  be of such dimensions as to provide a free space of at least 380 mm to allow people to circulate around such tank(s);
(f)  be provided with a fire resistant door equipped with a self-closing mechanism;
(g)  be properly lighted and ventilated.
(3)  Ventilating pipes shall: