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Storage Hazard
NFPA storage commodity & protection criteria analyzer.
📐
Feet / Inch
Add, subtract & convert feet-inch-fraction measurements.
⬚
Sprinkler Spacing
Max coverage area & spacing from protection criteria.
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Water Supply
Plot & read static/residual supply curves.
📖
NFPA 13 References
Common sections across 2016–2025 editions.
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NFPA 1142
Rural/suburban water-supply requirement.