Operational Permits - Commercial or Institutional

Operational permits pertain to processes and materials used on a regular basis. In most cases, operational permits must be renewed annually, a renewal fee must be provided and an on-site inspection will be done.

Annual permits are effective for 12 months from the date of issue unless otherwise stated on the permit. Once you have a permit in place, we will automatically contact you to renew it in subsequent years. Please contact us if there are any changes that would affect the status of your permit (i.e., no longer using a particular hazardous material or process, or starting to use additional ones). 

 

Operational Permits - Commercial or Institutional

For these permits:

  Please contact:

Fire Watch

  Fire Prevention Division, Permit Section
  745 West Colfax Avenue - First Floor
  Denver, CO 80204
  Monday - Friday
  7:00 a.m. to 5:00 p.m.
  Phone: 720-913-3474
  email: denfpb@denvergov.org
 

Confined spaces

Occupant load calculations

Hazardous materials - storage, use or manufacture, including hazardous operations; process piping related to hazardous operations, radioactive material

  Fire Prevention Division
  Hazardous Materials 
  Permits and Inspections
  745 West Colfax Avenue - First Floor
  Denver, CO 80204
  Monday - Friday
  7:00 a.m. to 4:00 p.m. (Permits 6:30 – 9:00 a.m.)
  Phone: 720-913-3513

  email: roy.johnson@denvergov.org

  Note: HMIS forms also required;
  see Hazardous Materials / HMIS.
 

Fumigation / thermal insecticidal fogging

Medical gas systems

Hot works

  Fire Prevention Division, Flammables Unit
 745 West Colfax Avenue - First Floor
  Denver, CO 80204
  Monday - Friday
  6:30 a.m. to 9:00 a.m.
  Phone: 720-913-3518
  Note: Annual HMIS forms are also required;
  see Hazardous Materials / HMIS.
 

Emergency generator

 
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