CODES

ADOPTS WITH AMENDMENTS:

International Fire Code 2009 (IFC 2009)

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Heads up: There are no amended sections in this chapter.
The storage and use of flammable solids shall be in accordance with this rule.
Permits shall be required as set forth in rule 1301:7-7-01 of the Administrative Code.

The following words and terms shall, for the purposes of this rule and as used elsewhere in this code, have the meanings shown herein.

"Flammable solid." A solid, other than a blasting agent or explosive, that is capable of causing fire through friction, absorption or moisture, spontaneous chemical change or retained heat from manufacturing or processing, or which has an ignition temperature below 212°F (100°C) or which burns so vigorously and persistently when ignited as to create a serious hazard. A chemical shall be considered a flammable solid as determined in accordance with the test method of CPSC 16 CFR; Part 1500.44 as listed in rule 1301:7-7-47 of the Administrative Code, if it ignites and burns with a self-sustained flame at a rate greater than 0.1 inch (2.5 mm) per second along its major axis.

"Magnesium." The pure metal and alloys, of which the major part is magnesium.

The storage and use of flammable solids in amounts not exceeding the maximum allowable quantity per control area as indicated in paragraph (C)(1)(2703.1) of rule 1301:7-7-27 of the Administrative Code shall be in accordance with paragraphs (A)(2701) and (C)(2703) of rule 1301:7-7-27 of the Administrative Code and (A)(3601) of this rule.
The storage and use of flammable solids exceeding the maximum allowable quantity per control area as indicated in paragraph (C)(1)(2703.1) of rule 1301:7-7-27 of the Administrative Code shall be in accordance with rule 1301:7-7-27 of the Administrative Code and this rule.
Indoor storage of flammable solids in amounts exceeding the maximum allowable quantity per control area indicated in Table 2703.1.1(1) of rule 1301:7-7-27 of the Administrative Code shall be in accordance with paragraphs (A)(2701), (C)(2703) and (D)(2704) of rule 1301:7-7-27 of the Administrative Code and this rule.
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).
Aisle widths between piles shall not be less than the height of the piles or 4 feet (1219 mm), whichever is greater.
Flammable solids shall not be stored in basements.
Outdoor storage of flammable solids in amounts exceeding the maximum allowable quantities per control area indicated in Table 2703.1.1(3) of rule 1301:7-7-27 of the Administrative Code shall be in accordance with paragraphs (A)(2701), (C)(2703) and (D)(2704) of rule 1301:7-7-27 of the Administrative Code and this rule. Outdoor storage of magnesium shall be in accordance with paragraph (F)(3606) of this rule.
Outdoor storage of flammable solids shall not be located within 20 feet (6096 mm) of a building, lot line, public street, public alley, public way or means of egress. A 2-hour fire barrier without openings or penetrations and extending 30 inches (762 mm) above and to the sides of the storage area is allowed in lieu of such distance. The wall shall either be an independent structure, or the exterior wall of the building adjacent to the storage area.
Outdoor storage of flammable solids shall be separated into piles not larger than 5,000 cubic feet (141 m3) each. Piles shall be separated by aisles with a minimum width of not less than one-half the pile height or 10 feet (3048 mm), whichever is greater.
The use of flammable solids in amounts exceeding the maximum allowable quantity per control area indicated in Table 2703.1.1(1) or 2703.1.1(3) of rule 1301:7-7-27 of the Administrative Code shall be in accordance with paragraphs (A)(2701), (C)(2703) and (E)(2705) of rule 1301:7-7-27 of the Administrative Code and this rule. The use of magnesium shall be in accordance with paragraph (F)(3606) of this rule.
Storage, use, handling and processing of magnesium, including the pure metal and alloys of which the major part is magnesium, shall be in accordance with rule 1301:7-7-27 of the Administration Code and paragraphs (F)(2)(3606.2) to (F)(5)(h)(3606.5.8) of this rule.
The storage of magnesium shall comply with paragraphs (F)(2)(a) (3606.2.1) to (F)(4)(c)(3606.4.3) of this rule.
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.
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. Such storage shall not be located in nonsprinklered buildings of Type III, IV or V construction, as defined in the building code as listed in rule 1301:7-7-47 of the Administrative Code.
Where in nonsprinklered buildings of Type III, IV or V construction, as defined in the building code as listed in rule 1301:7-7-47 of the Administrative Code, magnesium shall not be stored in combustible containers or within 30 feet (9144 mm) of other combustibles.
The size of storage piles of magnesium articles in foundries and processing plants shall not exceed 1,250 cubic feet (25 m3). Piles shall be separated by aisles with a minimum width of not less than one-half the pile height.
The storage of magnesium pigs, ingots and billets shall comply with paragraphs (F)(3)(a)(3606.3.1) and (F)(3)(b)(3606.3.2) of this rule.
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.
Outdoor storage of magnesium pigs, ingots and billets shall be in piles not exceeding 1,000,000 pounds (453.6 metric tons) each. Piles shall be separated by aisles with a minimum width of not less than one-half the pile height. Piles shall be separated from combustible materials or buildings on the same or adjoining property by a distance of not less than the height of the nearest pile.
The storage of scrap magnesium shall comply with paragraphs (F)(4)(a) (3606.4.1) to (F)(4)(c)(3606.4.3) of this rule.
Magnesium fines shall be kept separate from other combustible materials.
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 at least 50 feet (15 240 mm) or by a fire barrier constructed in accordance with the building code as listed in rule 1301:7-7-47 of the Administrative Code.
Storage of fine magnesium scrap in quantities greater than 1,000 cubic feet (28 m3) shall be 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).
The use of magnesium shall comply with paragraphs (F)(5)(a)(3606.5.1) to (F)(5)(h) (3606.5.8) of this rule.
Floors under and around melting pots shall be of noncombustible construction.
Approved means shall be provided for control of magnesium fires in heat-treating ovens.
Magnesium grinding, buffing and wire-brushing operations, other than rough finishing of castings, shall be provided with approved hoods or enclosures for dust collection which are connected to a liquid-precipitation type of separator that converts dust to sludge without contact (in a dry state) with any high-speed moving parts.
Connecting ducts or suction tubes shall be completely grounded, as short as possible, and without bends. Ducts shall be fabricated and assembled 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.

Each machine shall be equipped with an individual dust-separating unit.

Exceptions:
  1. One separator is allowed to serve two dust-producing units on multiunit machines.
  2. One separator is allowed to serve not more than four portable dust-producing units in a single enclosure or stand.
Power supply to machines shall be interlocked with exhaust airflow, and liquid pressure level or flow. The interlock shall be designed to shut down the machine it serves when the dust removal or separator system is not operating properly.
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 of approved types and shall be approved for use in Class II, Division 1 hazardous locations in accordance with NFPA 70 as listed in rule 1301:7-7-47 of the Administrative Code.
Equipment shall be securely grounded by permanent ground wires in accordance with NFPA 70 as listed in rule 1301:7-7-47 of the Administrative Code.

Fire extinguishing materials shall be provided for every operator performing machining, grinding or other processing operation on magnesium as follows:

(i) Within 30 feet (9144 mm), a supply of extinguishing materials in an approved container with a hand scoop or shovel for applying the material; or

(ii) Within 75 feet (22 860 mm), a portable fire extinguisher complying with paragraph (F)(906) of rule 1301:7-7-09 of the Administrative Code.

All extinguishing materials shall be approved for use on magnesium fires. Where extinguishing materials are stored in cabinets or other enclosed areas, the enclosures shall be openable without the use of a key or special knowledge.

Chips, turnings and other fine magnesium scrap shall be collected from the pans or spaces under machines and from other places where they collect at least once each working day. Such material shall be placed in a covered, vented steel container and removed to an approved location.

Effective Date: November 1, 2011

Prior Effective Dates: 7/1/79; 6/1/85; 6/15/92; 7/1/93; 9/1/95; 1/9/98; 9/1/05; 7/1/07

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