Urban Honolulu vs Waipahu
How do propane storage rules compare between Urban Honolulu, HI and Waipahu, HI?
Waipahu has fewer restrictions than Urban Honolulu.
Urban Honolulu, HI
Honolulu County
Urban Honolulu propane installations are regulated by ROH Chapter 20, which adopts NFPA 1 Chapter 69 and NFPA 58, triggering plan review at 125-gallon water capacity and vehicle barrier requirements.
View full Urban Honolulu rules →Waipahu, HI
Honolulu County
Waipahu homes, restaurants, and light industrial sites using propane must follow Honolulu's Fire Code LP-Gas rules, with plan review for larger storage installations.
View full Waipahu rules →Key Facts Comparison
| Fact | Urban Honolulu | Waipahu |
|---|---|---|
| Code | ROH Ch. 20 / NFPA 1 Ch. 69 | - |
| National standard | NFPA 58 LP-Gas | - |
| Plan review at | 125 gal water capacity | - |
| Barrier trigger | Within 10 ft of roadway | - |
| Permit office | HFD Fire Prevention | - |
| Plan Review Threshold | - | 125+ gallon capacity |
| Standard | - | NFPA 58 / NFPA 1 Ch. 69 |
| Barrier Rule | - | Within 10 ft of road |
| Permit | - | Per NFPA 1 Sec. 69.1.2 |
| Code Chapter | - | ROH Ch. 20 |
Highlighted rows indicate differences between cities.
Urban Honolulu FAQ
Do Urban Honolulu restaurants need permits for rooftop propane tanks?
Yes. Fixed commercial propane installations require HFD permits and plan review under NFPA 1 Chapter 69, plus compliance with NFPA 58 on setbacks, rooftop access, and relief valve orientation.
Are bollards required for curbside tanks at a Urban Honolulu business?
Yes, when a tank sits within 10 feet of a public vehicular way. Steel-filled bollards or comparable impact barriers approved by HFD must protect the container from vehicle strikes.
Waipahu FAQ
Does a Waipahu restaurant's bulk propane tank need plan review?
Yes. Aggregate LP-Gas installations of 125 gallons water capacity or more require plan submittal to HFD and must satisfy NFPA 58 installation standards.
Is a small cylinder at home subject to plan review?
No. Typical 20-pound BBQ cylinders do not trigger plan review but must be stored upright, outdoors, away from ignition sources per NFPA 58.
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