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Equipment Spacing Calculator

DOT 49 CFR 192, API 2510, NFPA 59A

Professional Equipment Spacing Calculator
Determines minimum separation distances between process equipment, buildings, and property lines per DOT, API, and NFPA requirements for natural gas facilities.

Facility Type

Source Equipment

Target Location

Common Spacing Requirements

Compressor to Building:
  • 50 ft minimum (DOT/API)
  • 100 ft if building is occupied
Vent to Ignition Source:
  • 100 ft minimum (atmospheric vent)
  • 150 ft for high-pressure blowdown
Condensate Tank:
  • 50 ft to buildings
  • 100 ft to property line

Limitations & Assumptions

  • Distances are minimum code requirements - may need increase for thermal radiation or dispersion analysis
  • State and local requirements may be more stringent than federal
  • LNG facilities have additional NFPA 59A requirements not fully covered here
  • Consult with qualified engineer for final layout decisions

Standards & References

  • 49 CFR 192
    Transportation of Natural Gas by Pipeline
  • API 2510
    Design and Construction of LPG Installations
  • NFPA 59A
    Standard for LNG Production, Storage, and Handling
  • API RP 500
    Electrical Area Classification

Frequently Asked Questions

What regulations govern equipment spacing at gas facilities?

Equipment spacing is governed by DOT 49 CFR 192, API 2510, and NFPA 59A, which set minimum distances between compressor stations, tanks, and process equipment.

What does this equipment spacing calculator do?

It calculates minimum equipment spacing distances per DOT 49 CFR 192, API 2510, and NFPA 59A for compressor stations, tanks, and process equipment.

Why is equipment spacing important in facility design?

Proper equipment spacing ensures safety by maintaining adequate distances to reduce fire and explosion risk, and is required for regulatory compliance.