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Last Updated: 2010-01-11

Procedures for Dust Explosion Hazards

Permit Holder Guideline #7

PERMIT TITLE: Procedures for Dust Explosion Hazards

CODE SECTION: (Virginia Statewide Fire Prevention Code) 1301.2

FEE: $225.00 (Check payable to the City of Richmond)

SCOPE: Permit required for operations involving combustible dusts*.

*Defined: Finely divided solid material which is 420 microns or less in diameter and when dispersed in the air in proper proportions; could be ignited by a flame, spark, or other source of ignition. Combustible dust will pass through a U.S. #40 standard sieve.

*Examples of where dust might be found include:Grain elevator, feed mills or operations in pulverizing aluminum, coal, spices or similar materials.

PERMIT EXPIRATION: ONE (1) year from date issued.

REQUIREMENTS: Permit holder agrees to abide by the Virginia Statewide Fire Prevention Code and any special stipulations noted on permit, as well as the following:

  1. Smoking or the use of heating or other devices employing an open flame or the use of spark-producing equipment is prohibited in areas where combustible dust is generated, stored, manufactured, processed or handled.
  2. Accumulation of combustible dust shall be kept to a minimum in the interior of buildings. Accumulated combustible dust shall be collected by vacuum cleaning or other means that will not place combustible dust into suspension in air. Forced air or similar methods shall not be used to remove dust from surfaces.

Contact Information:

Fire Department
City of Richmond
201 E. Franklin St.
Richmond, VA
23219 USA
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Phone: (804)646-2500

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