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Tanks having a capacity of more than 500 gallons (2 m3) placed in or on a building shall be supported on masonry, reinforced concrete, steel or Type IV construction provided that, where such supports are located in the building above the lowest story, the support shall be fire-resistance rated as required for Type IA construction.
1509.3.1 Valve
Such tanks shall have in the bottom or on the side near the bottom, a pipe or outlet, fitted with a suitable quick opening valve for discharging the contents in an emergency through an adequate drain.
1509.3.2 Location
Such tanks shall not be placed over or near a line of stairs or an elevator shaft, unless there is a solid roof or floor underneath the tank.
1509.3.3 Tank Cover
Unenclosed roof tanks shall have covers sloping toward the outer edges.

Related Code Sections

1509.3 Roof Assemblies and Rooftop Structures, Tank Supports
Tanks having a capacity of more than 500 gallons (2 m3) placed in or on a building shall be supported on masonry, reinforced concrete, steel or Type ...
1509.3 Roof Assemblies and Rooftop Structures, Tank Supports
Tanks having a capacity of more than 500 gallons (2 m3) placed in or on a building shall be supported on masonry, reinforced concrete, steel or Type ...
1509.3.1 Roof Assemblies and Rooftop Structures, Valve
Such tanks shall have in the bottom or on the side near the bottom, a pipe or outlet, fitted with a suitable quick opening valve for discharging ...
24.2.4.1.2 Water Supplies,
The tank supports shall be designed on the basis of a full tank. The tanks shall be supplied with water through a fixed pipe, independent ...