Virginia Law

A. Change Section 5901.2 to read:

5901.2 Permits. Permits shall be required as set forth in Section 107.2.

B. Change Section 5904.1 to read:

5904.1 Indoor storage. Indoor storage of flammable solids in amounts exceeding the maximum allowable quantity per control area indicated in Section 5003.1.1 and the applicable building code shall be maintained in accordance with Sections 5001, 5003, and 5004 and this chapter and approved in accordance with the applicable building code.

C. Change Section 5904.1.1 to read:

5904.1.1 Pile size limits and location. Unless otherwise approved in accordance with the applicable building code, flammable solids stored in quantities greater than 1,000 cubic feet (28 m³) shall be separated into piles each not larger than 1,000 cubic feet (28 m³).

D. Change Sections 5904.1.2 and 5904.1.3 to read:

5904.1.2 Aisles. Unless otherwise approved in accordance with the applicable building code, aisle widths between piles shall be maintained to be not less than the height of the piles or four feet (1219 mm), whichever is greater.

5904.1.3 Basement storage. Flammable solids shall not be stored in basements unless approved in accordance with the applicable building code.

E. Change Sections 5906.2 through 5906.2.3 to read:

5906.2 Storage of magnesium articles. The storage of magnesium shall comply with Sections 5906.2.1 through 5906.4.3.

5906.2.1 Storage of greater than 50 cubic feet. Unless otherwise approved in accordance with the applicable building code, magnesium storage in quantities greater than 50 cubic feet (1.4 m³) shall be separated from storage of other materials that are either combustible or in combustible containers by aisles. Piles shall be separated by aisles with a minimum width of not less than the pile height.

5906.2.2 Storage of greater than 1,000 cubic feet. Unless otherwise approved in accordance with the applicable building code, magnesium storage in quantities greater than 1,000 cubic feet (28 m³) shall be separated into piles not larger than 1,000 cubic feet (28 m³) each. Piles shall be separated by aisles with a minimum width of not less than the pile height. Unless approved by the applicable building code, such storage shall not be located in nonsprinklered buildings of Type III, Type IV, or Type V construction, as defined in the applicable building code.

5906.2.3 Storage in combustible containers or within 30 feet of other combustibles. Unless otherwise approved in accordance with the applicable building code, where stored in nonsprinklered buildings of Type III, Type IV, or Type V construction as defined in the applicable building code, magnesium shall not be stored in combustible containers or within 30 feet (9144 mm) of other combustibles.

F. Change Sections 5906.3.1 and 5906.4 to read:

5906.3.1 Indoor storage. Unless otherwise approved in accordance with the applicable building code, indoor storage of pigs, ingots, and billets shall only be on floors of noncombustible construction. Piles shall not be larger than 500,000 pounds (226.8 metric tons) each. Piles shall be separated by aisles with a minimum width of not less than one-half the pile height.

5906.4 Storage of fine magnesium scrap. The storage of scrap magnesium shall comply with Sections 5906.4.1 through 5906.4.3.

G. Change Sections 5906.4.2 through 5906.5 and Sections 5906.5.3, 5906.5.3.1, 5906.5.3.2, and 5906.5.4 to read:

5906.4.2 Storage of 50 to 1,000 cubic feet. Unless otherwise approved by the applicable building code, storage of fine magnesium scrap in quantities greater than 50 cubic feet (1.4 m³) (six 55-gallon (208 L) steel drums) shall be maintained separated from other occupancies by an open space of at least 50 feet (15,240 mm) or by a fire-resistance rated barrier constructed and approved in accordance with applicable building code.

5906.4.3 Storage of greater than 1,000 cubic feet. Storage of fine magnesium scrap in quantities greater than 1,000 cubic feet (28 m³) shall be maintained separated from all buildings other than those used for magnesium scrap recovery operations by a distance of not less than 100 feet (30,480 mm) unless otherwise approved by the applicable building code.

5906.5 Use of magnesium. The use of magnesium shall comply with Sections 5906.5.1 through 5906.5.8 and only be conducted in buildings or structures approved for that use in accordance with the applicable building code.

5906.5.3 Dust collection. Where provided, magnesium grinding and buffing and wire-brushing operations, other than rough finishing of castings, shall be conducted with approved hoods or enclosures for dust collection in accordance with the applicable building code.

5906.5.3.1 Ducts. Where provided, connecting ducts or suction tubes shall be maintained as completely grounded, as short as possible, and without bends. Ducts shall be maintained with a smooth interior, with internal lap joints pointing in the direction of airflow, and without unused capped side outlets, pockets, or other dead-end spaces which allow an accumulation of dust.

5906.5.3.2 Independent dust separators. Each machine shall be maintained with an individual dust-separating unit in accordance with the applicable building code.

5906.5.4 Power supply interlock. Where provided, power supply to machines shall be maintained to be interlocked with exhaust airflow and liquid pressure level or flow. The interlock shall be maintained to shut down the machine it serves when the dust removal or separator system is not operating properly.

H.

Change Section 5906.5.5 to read:

5906.5.5 Electrical equipment. Electric wiring, fixtures, and equipment in the immediate vicinity of and attached to dust-producing machines, including those used in connection with separator equipment, shall be maintained in accordance with Chapter 6, NFPA 70, and the applicable building code.

I. Change Section 5906.5.6 to read:

5906.5.6 Grounding. Where required by the applicable building code, equipment shall be maintained securely grounded by permanent ground wires in accordance with NFPA 70.