Calcined Petroleum Coke Breeze (Dry)

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Enclosures shall be of 3.1 mm 11 gauge steel or heavier, with an accessible

drain plug. The oil level shall be clearly marked. The lid shall be

hinged and have quick release clamps to secure it in closed position. A

stop shall limit the swing of the lid when opened. A compressible, oil

resistant, positive sealing gasket shall be provided. The gasket shall

return to its original shape upon release of lid pressure. The gasket shall

be attached to the tank or lid and joints shall be free of gaps. Base

mounting using 102 mm 4 inch high channels shall be provided. Conduits

entering the enclosure shall be internally sealed and shall enter or exit

above the oil fill line.

2.3

COKE BREEZE

2.3.1

Calcined Petroleum Coke Breeze (Dry)

Breeze shall conform to the following requirements:

2.3.1.1

Electrical Resistivity

Resistivity shall not exceed 1 milliohm-meter (0.1 ohm-cm) Great Lake

Carbon C 12 A Test Method.

2.3.1.2

General Backfill Specifications

Bulk Density - 1044 to 1204 kg/cubic meter 65 to 75 lbs/cubic foot

Fixed Carbon - 99.0% or greater

Volatiles - 0.2% or less

Sizing - 100% less than 13 mm 1/2 inch

2.3.2

Metallurgical Coke Breeze (Processed)

Breeze shall conform to the following requirements:

2.3.2.1

Electrical Resistivity (Nominal)

Nominal electrical resistivity shall be:

a.

100 milliohm-meter (10 ohm-centimeter) Max., tightly compacted.

b.

100 milliohm-meter to 150 milliohm-meter, (10 to 15

ohm-centimeter,) lightly compacted.

c.

150 to 200 milliohm-meter, (15 to 20 ohm-centimeter,) loose.

2.3.2.2

General Backfill Specifications

Bulk density - 608 to 672 kg per cubic meter 38 to 42 pounds per cubic foot

Fixed Carbon - 80% or greater

Sizing - 100% less than 10 mm 3/8 inch

2.4

MISCELLANEOUS MATERIALS

2.4.1

Electrical Wire

2.4.1.1

Anode Connecting Wire

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SECTION 13112A

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