Ohio Administrative Code Title 4101:4 - Boiler Inspection: Ohio Boiler and Pressure Vessel Rules
Here’s an overview of Ohio Administrative Code Title 4101:4 – Boiler Inspection & Pressure Vessel Rules, current as of its July 1, 2024 effective date:
🔧 1. Chapter 4101:4‑1 – Definitions & Abbreviations
Provides core definitions such as boiler, pressure vessel, authorized inspector, certifications, repairs, etc. (codes.ohio.gov)
🏛️ 2. Chapter 4101:4‑2 – Administration
Establishes the scope, application, exemptions, inspection requirements, and appeal rights.
Applies to all boilers/pressure vessels except specified exclusions (e.g., federal boilers, residential units, farm use, etc.).
Requires fabrication/final construction inspections by authorized inspectors, and in-service inspections by Ohio‑commissioned inspectors.
Describes an appeal process for inspection disputes. (codes.ohio.gov)
📐 3. Chapter 4101:4‑3 – Practice & Standards
References technical standards—such as ASME Code, NBIC—for construction, repairs, testing, and approved engineering practices. (Chapter listing available; individual rules under further lookup)
📏 4. Chapter 4101:4‑4 – Specifications
Addresses design requirements, maximum allowable working pressures, safety devices, blowoff systems, and required clearances around boilers and vessels. (codes.ohio.gov)
🧩 5. Chapter 4101:4‑5 – Special Designs
Rules for boilers or vessels of nonstandard design requiring board review or approval. (regulations.vlex.com)
🏗️ 6. Chapter 4101:4‑6 – Construction & Stamping
Mandates conforming construction, ASME code stamp application, and compliance verification by authorized inspectors. (codes.ohio.gov)
📝 7. Chapter 4101:4‑7 – Registration & Permits
Covers contractor registration, issuance of boiler permits, and related administrative procedures. (regulations.justia.com)
🕵️ 8. Chapter 4101:4‑8 – Inspections
Rule 4101:4‑8‑01 requires:
Every boiler to be inspection‑commissioned before operation.
Assignment of state serial numbers, issuance of operation certificates, and fee collection ($3.25 per inspection/certificate).
Electric boilers must be electrically isolated with warning tags.
Hydrostatic testing if deemed necessary by inspector. (law.cornell.edu)
🏚️ 9. Chapter 4101:4‑9 – Existing Vessels
Rules governing boilers/vessels already in service, including safety and possible grandfathering provisions.
👷 10. Chapter 4101:4‑10 – Operators
Rule 4101:4‑10‑01 requires:
Licensed operators for boilers > 360 ft² heating area or engines > 30 hp.
Continuous manned attendance (on-site or via approved electronic controls).
Strict operational and testing documentation and preventative maintenance standards for boilers with automated controls. (codes.ohio.gov)
🔍 Other Chapters
Chapter 4101:4‑11: Low-pressure boilers
Chapter 4101:4‑15: Unfired pressure vessels
Chapter 4101:4‑17: Repair & inspection of unfired vessels
These chapters cover requirements for their respective systems. (law.cornell.edu)
✅ Summary Table
| Chapter | Focus |
|---|---|
| 4101:4-1 | Definitions & Abbreviations |
| 4101:4-2 | Administration, scope, inspections, appeals |
| 4101:4-3 | Technical standards (ASME, NBIC, NFPA) |
| 4101:4-4 | Design specs, safety devices, clearances |
| 4101:4-5 | Special/nonstandard designs |
| 4101:4-6 | Construction and code stamping |
| 4101:4-7 | Contractor registration & boiler permits |
| 4101:4-8 | Inspection procedures & fees |
| 4101:4-9 | Existing boilers & vessels |
| 4101:4-10 | Operator licensure and attendance standards |
| 4‑11, 4‑15, 4‑17 | Low‑pressure & unfired vessel regulations |
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