Gas Systems

​​​Plan reviews are done by the Division of Industry Services (DIS) for gas systems - anhydrous ammonia, compressed natural gas, liquid natural gas, liquid petroleum gas, and liquid and gaseous hydrogen. Periodic inspections are done on the anhydrous ammonia and hydrogen systems. Inspections of the other systems are completed after initial installation or upon owner's request.

Questions regarding gas systems code can be sent to DSPSSBBoilertech@wisconsin.gov.


Report an Accident

To report a gas system accident during regular business hours please call 608-575-0583 or 262-524-3950. After hours, weekends, or holidays, please call Wisconsin Emergency Management after-hours incident reporting at 1(800) 943-0003 ext. 2 for assistance.

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  1. Start at the Plan Review page for general information on how to submit electronically to DIS.

  2. The following gas systems require DIS plan review:
    • Liquid Petroleum Gas tank installation - 2000 gallon and larger, or 4000 gallon aggregate, per SPS 340.42
    • Compressed Natural Gas tank installation - any size installations, per SPS 340.61
    • Liquid Natural Gas tank installation - 2000 gallon and larger, per Comm 40.51
    • Gaseous Hydrogen Facilities - any size installations, per SPS 340.71
    • Liquefied Hydrogen Facilities - 2000 gallon and larger, or 4000 gallon aggregate, per SPS 340.81
    • Installation of Anhydrous Ammonia systems per SPS 343.10.
  3. Start your plan review application on the eSLA portal

Inspections are required when a plan submittal is required. Remember to provide 5-day advanced notice to the inspector.

FormDescription
SBD-4341Inspection Report and Orders (Continued)
Plan Submittal ProceduresGas System Plan Submittal Procedures 
SBD-6038-A
SBD-6038-A		State Contractor SBD-6038-A Gas Systems Installation Application (LPG, LNG, CNG, NH3, H2) (PDF)
State Contractor SBD-6038-A Gas Systems Installation Application (LPG, LNG, CNG, NH3, H2) (fill-in)
SBD-6038-B
SBD-6038-B		District Inspector SBD-6038-B Gas Systems Installation Application (LPG, LNG, CNG, NH3, H2) (PDF)
District Inspector SBD-6038-B Gas Systems Installation Application (LPG, LNG, CNG, NH3, H2) (fill-in)
SBD-9656EGas Systems Certificate of Installation (DoA Document Sales for Carbon Copies)
SBD-10663-EAmmStor Gas Systems Regulated Object Inspection Report
SBD-10786-EAnhydrous Ammonia Systems Accident Report
SBD-10789-EGas Systems Accident Report
SPS 340.50 ChecklistLiquefied Petroleum Gas (LPG) Checklist, SPS 340.50, NFPA 58 - 2011
SPS 343 and K61.1 ChecklistAnhydrous Ammonia Checklist SPS 343 and K61.1 
SPS 340.70 CNG ChecklistCompressed Natural Gas (CNG) Checklist SPS 340.70, NFPA 52 - 2010
SPS 340.60 Prod/Stor/Handl ChecklistLiquefied Natural Gas (LNG) Checklist, SPS 340.60, NFPA 59-A - 2009, Prod/Stor/Handl
SPS 340.60 Dispensing ChecklistLiquefied Natural Gas (LNG) Checklist, SPS 340.60, NFPA 59-A - 2009, Dispensing
SPS 340.80 GH2 ChecklistGaseous Hydrogen System (GH2) Checklist, SPS 340.80, NFPA 52 - 2010
SPS 340.73 LH2 ChecklistLiquid Hydrogen (LH2) Fueling Facilities Checklist, SPS 340.73, NFPA 52 - 2010
SPS 340.42 ChecklistMotor Fuel Dispensing Facilities and Repair Garages Checklist, SPS 340.42, NFPA 30A - 2008 Ed
SBD-9890XApplication for Review, Petition for Variance

DocumentDescription
Damarc Memo Damarc Quality Inspection Service Memo, June 2014
SBD-10790Brochure describing the Industry Services Gas Systems Program
Act 203 MemoMemo - Liquefied petroleum gas notification and licensing changes, July 2008
LPG Piping Retrofit MemoMemo - Liquid Petroleum Gas, Reminder of 2011 LPG piping retrofit mandate
LPG Facility Owners Notice​Memo - LPG facility owners responsibility, written fire-safety incident prevention and operations/maintenance plan
Credentialing RequirementsCredentialing Requirements Boiler Industry Days 2016
Gas SystemGas Systems Boiler Industry Days 2016
Power PipingPower Piping Boiler Industry Days 2016
Rulemaking ProcessRulemaking Process Boiler Industry Days 2016

Additional Resources

Administrative Rules & Statutes

Code Archives

Trades Program Information

Inspection District Map​


Related Links

Liquefied Ga​s Supplier Insurance Information