The storage, handling, and
use of combustible metals shall be in accordance with this
Chapter and NFPA 484.
Storage of fine magnesium scrap in quantities greater than 50 cubic feet (1.4 m3) [six 55-gallon (208 L) steel drums] shall be separated from other occupancies by an open space of not less than 50 feet (15 240 mm) or by a fire barrier constructed in accordance with Section 707 of the California Building Code.
The storage, handling,
and use of titanium and zirconium shall comply with
the following:
- Titanium and zirconium chips, turnings, and fines shall be stored in covered steel containers and limited to 50 pounds (23 kg) per container.
- Titanium and zirconium chips, turnings, and fines shall be stored in an approved outside location, or in a detached scrap-storage building, or in a special scrap-storage room of fire-resistive construction. Such rooms or buildings shall be constructed in accordance with Chapter 9 of the LAMC (Building Code).
- Titanium and zirconium chips, turnings, and fines shall be stored in piles one container high with a total of 500 pounds (230 kg) maximum per pile.
- Every pile shall be separated from every other pile by an aisle at least 5 feet (1525 mm) wide to facilitate the removal of containers.
- Storage areas shall be separated from other occupancies by appropriate fire-resistive construction without openings or by an open space of at least 50 feet (15 240 mm).
- All chips, turnings, and fines shall be separated from all combustible storage, flammable solids, flammable and combustible liquids, dangerous chemicals, and corrosive liquids.
- No open flame or spark-producing device shall be permitted in operating, storage, or disposal areas. The above areas shall be clearly posted with "No Smoking" signs in accordance with Section 310 of this article.
- A permit is required in accordance with Section 105.6 of this article when the quantities exceed the exempt amount of combustible metals in Table 105.6.14.