Dept. of Industrial Relations logo

Pressure Vessels

Pressure Vessel Unit

The pressure vessel unit is responsible under Labor Code sections 7620 et seq. for the inspection of boilers (any fired or unfired pressure vessel used to generate steam pressure by the application of heat), and tanks (any fired or unfired pressure vessel used for the storage of air pressure or liquefied petroleum gases).

Pressure Vessel Unit Office Locations

Pressure Vessel Headquarters Office

Manager: Don Cook, Principal Engineer
1515 Clay Street, Suite 1622-A
Oakland, CA 94612
(510) 622-3052
FAX (510) 622-3063

Apply for a "Permit to Operate"

To apply for a "Permit to Operate" for an air tank, liquefied petroleum tank or a boiler:

  1. Click on the link Pressure Vessel Inspection Request Form ;
  2. Fill it out and mail (or fax) a printed copy to the appropriate office listed above;
      Or
    Email a scanned copy to capvinsp@dir.ca.gov.

Payment Status Inquiries

BEFORE YOU CONTACT US:

To expedite our response to your payment status inquiry, please have the following information ready when contacting us.

Check EFT Credit Card
  • Invoice number(s)
  • Amount paid
  • Check No(s).
  • Address check was remitted
  • Copy of front and back of check(s) if check(s) cleared
  • Invoice number(s)
  • Amount paid
  • Confirmation No.
  • Transaction or process date
  • Invoice number(s)
  • Amount paid
  • Confirmation No.
  • Transaction or process date
  • Card type and last 4 numbers of card

Contact Information for Payment Status Inquiries:

Below are the frequently requested Circular Letters:

Where can I request a W-9 form?

Please email your request to DIRW9Inquiry@dir.ca.gov and specify which collection unit and/or type of fee you will be paying.

March 2015