Stationary Engineers Grade 4 License
General Info - Statewide License
Grade 4 license - Operates 30-99 HP equipment in a building, regardless of use, in the state of Maryland.
Obtaining the License
Ready to get your license? - Steps, Requirements, and Documents
Six months as an active MD Grade 5; OR
Three credit hours or CEUs in boiler operations or safety.
Pass an examination with a score of at least 70%.
Work summary data sheet and/or proof of completion in boiler operations or safety.
Apply for the License
Complete the form
Maintaining Your License
Renewal and maintenance -
Maintaining your License (aka Related forms/requirements to maintain License/stay in good standing)
Submit a renewal application.
Pay renewal fee.
Why the License is required?
To ensure that qualified individuals provide stationary engineer services:
- oversee the operation of a power plant,
- plant of machinery, or
Each generating pressure of more than 15 PSI and operating at 30 or more horsepower (HP).
Or a hot water boiler that operates at pressures exceeding 160 psig or temperatures exceeding 250° F;
- To protect the public,
- Provide safe operation of equipment, and
- Promote high professional standards.
What laws and regulations give Department of Labor, Licensing & Regulation the legal authority to issue this approval?