1305.11.1.2 Inside of buildings; above ground on the lowest floor.
MC § 1305.11.1.2
Fuel-oil storage tanks installed above ground on the lowest floor of a building shall be mounted on and anchored by adequate noncombustible supports. The maximum size of each individual tank shall be 660 gallons (2498.4 L), and a total of not more than 1,375 gallons (5204.9 L) shall be stored within the same 2-hour fire and smoke barrier construction. Exceptions. Fuel-oil storage tanks shall be permitted to exceed 660 gallons (2498.4 L), and the total quantity within a fire area shall be permitted to exceed 1,375 gallons (5204.9 L) in accordance with any one of the following options: 1. Buildings of Type I, II, IIIA, IV or VA construction with a total limit of 15,000 gallons (56 781.1 L). The maximum size of each individual tank shall be 15,000 gallons (56 781.1 L) provided that all such tanks are located in a room or enclosure dedicated to oil storage that is separated from the rest of the building by fire and smoke barrier construction of at least 3 hours. Notwithstanding Section 1305.11.1, in such cases, the maximum total quantity in the building shall be limited to 15,000 gallons (56 781.1 L).
2.Buildings of Type IIIB or VB construction with a total limit of 10,000 gallons (37 854.1 L). The maximum size of each individual tank shall be 10,000 gallons (37 854.1 L) provided that all such tanks are located in a room or enclosure dedicated to oil storage that is separated from the rest of the building by fire and smoke barrier construction of at least 3 hours. Notwithstanding Section 1305.11.1, in such cases, the maximum total quantity in the building shall be limited to 10,000 gallons (37 854.1 L).
3.Buildings of any type construction with a total limit of 100,000 gallons (378 541.8 L). The maximum size of each individual tank shall be 25,000 gallons (94 635.3 L) provided that all such tanks are enclosed in a vault (i) with walls, floor, and top having a fire and smoke barrier construction of not less than 3 hours, (ii) with such walls bonded to the floor, and (iii) with such top and walls of the vault independent of the building structure. An exterior building wall having a fire and smoke barrier construction of not less than 3 hours shall be permitted to serve as a wall of the vault. The vault shall be located in a dedicated room or area of the building that is cut off vertically and horizontally from other areas and floors of the building by assemblies having a fire and smoke barrier construction of not less than 2 hours. Where the aggregate fuel-oil storage on the lowest level of the building exceeds 50,000 gallons (189 270.6 L), such storage shall be protected with an alternative automatic fire-extinguishing system complying with this code and the New York City Fire Code. (Am. L.L. 2018/195, 12/1/2018, eff. 5/30/2019; Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2018/195 and L.L. 2023/077.
