Class 3 Blaster

License Information

Per Wis. Admin. Code § 305.20, no person may prepare explosive charges or conduct blasting operations unless the person holds a credential as a licensed Class 1 Blaster, licensed Class 2 Blaster, licensed Class 3 Blaster, licensed Class 4 Blaster, licensed Class 5 Blaster, licensed Class 6 Blaster, or licensed Class 7 Blaster or is under the direct supervision of a person who holds a credential as a licensed Blaster in one or more of the categories.

A person who holds a credential as a licensed Class 3 Blaster or is under the direct supervision of a person who holds a credential as a licensed Class 3 Blaster is limited to conducting blasting operations and activities for underground mining, underground construction or tunnels.


Application for Licensure

FormDescription
3090Application for Class 3 Blaster License
3073​Fax Payment Form

Reinstate a Class 3 Blaster License that has been Expired more than 4 Years

Submit an application, supporting documentation and fee:

  • Application for Class 3 Blaster License (Form #3090)
  • $78.00 total fee ($15.00 application fee, $30.00 exam fee, $8.00 CIB fee and $25.00 late renewal fee)

Renewal Information

Requirements

  • FEE (See Renewal Dates and Fees)
  • Receive a passing score of 70% or greater on take home exam (sent by Department with renewal application).

Renewal Method

A renewal application and exam will be mailed by the Department at least 30 calendar days prior to the expiration of the credential.

  • Mail Renewal Reminder/Application to: 

Department of Safety and Professional Services

Trades Credentialing Unit
PO Box 78780
Milwaukee, WI  53293-0780


If you have questions regarding your renewal, please email DSPSCredTrades@wisconsin.gov.

When mailing your renewal, please allow up to 21 calendar days [per Wis. Admin. Code SPS § 305.04 (1)] from the date your payment is processed to receive an update regarding your renewal.