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Maintenance engineer inspection at the pressure tank during plant shutdown.
Programs

Boilers and Pressure Vessels

Program Code Chapter: SPS 341

  • Disclaimer: Review WI statute for full program requirements


Overview

Enforces s​afety requirements for power boilers, heating boilers, pressure vessels, nuclear power plant components, and power piping. Shop and field consultation and inspections are provided.

Installation Registration

Boilers and Pressure Vessels

Equipment not exempted under SPS 341.41(b) must be registered with DSPS before commencing operation. The installer/contractor must submit SBD-6314-E, Registration for Pressure Vessel Installation, prior to placing the equipment into service.

After installation, the owner must provide the SBD-6314 registration form (revised, if appropriate) via esla.wi.gov. Registration by the owner will result in a permit to operate (PTO). You will need to provide:

  1. Owner information

  2. Site location

  3. Equipment information

  4. Insurance information

  5. Contractor information 

  6. Supporting documentation

    1. The SBD-6314 registration form

    2. Additional documents including, but not limited to: MFG Data, R-1, R-2

See the eSLA Information page for user guides and general instructions.

Power Piping

Systems not exempted under SPS 341.41(2)(b) must be registered with DSPS before commencing operation. The shop fabricator/installer must submit SBD-5204, Registration for Power Piping and Welded Refrigeration Piping Installation, to the inspector prior to placing the equipment into service.

Registration will result in a permit to operate (PTO).

Permit and Inspection

Owners must hold an active permit to operate (PTO) for each boiler and pressure vessel equipment object (unless the boiler is in a one- or two-family dwelling unit).

Any boiler, even stand-by boilers connected for occasional operation, must be inspected by DSPS or its contracted agent prior to renewing a PTO. Inspections required for PTO renewal are performed separately from inspections required by your insurance agency.

PTO Renewal

PTOs must be renewed by the owner via esla.wi.gov. See the eSLA Information page for user guides and general instructions.

Expiration Schedule

Power Boiler - Annual
Heating Boiler (steam or hot water) - Every 3 Years
Pressure Vessels - Every 3 Years

See the Boiler and Pressure Vessel Permit/Inspection Requirements for more information.

Report an Accident

During regular business hours, call 262-524-3950.

After hours, weekends, or holidays, call Wisconsin Emergency Management after-hours incident reporting at 1-800-943-0003 x2.

Contact Us

Use the Inspector Look-Up Tool to determine the DSPS-appointed inspector for your county.

DSPS maintains program-specific email inboxes (tech boxes) to answer general code questions. Responses should not be construed as formal code interpretations nor do they supersede any previously issued correspondence from DSPS. Tech boxes should not be used for projects where code officials are already involved.

For general questions not related to specific programs or technical codes, use these contacts:

Subscribe to email updates from DSPS and receive upcoming announcements and notifications.

  1. Go to https://public.govdelivery.com/accounts/WIDSPS/subscriber/new

  2. Enter your email address and click Submit.

  3. Under Subscription Topics, expand the Industry Updates section.

  4. Check all the topics of interest to you.

  5. Scroll to the bottom and click Submit.

More Information

Related Pages

You may be interested in the pages below.

Codes and Statutes

Explore codes and statutes for DSPS public safety programs.

Credentialing

Look up DSPS credentials.

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