ZIP Code 99619
Kodiak Island County, Alaska
What This Means
Kodiak Island County, Alaska has a moderate ground snow load of 30 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.
Snow Load Details
| ZIP Code | 99619 |
| County | Kodiak Island |
| City | — |
| State | Alaska (AK) |
| Ground Snow Load | 30 PSF — Moderate |
| Classification Range | 21 - 40 PSF |
| Data Quality | Measured |
Source: ASCE 7-22 ground snow load polygons via ArcGIS
Roof Snow Load Calculator
ASCE 7-22 flat roof formula: pf = 0.7 × Ce × Ct × Is × pg
Your ground snow load (pg): 30 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Kodiak Island County Snow Load Map
Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.
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Frequently Asked Questions
What is the ground snow load for ZIP code 99619?
ZIP code 99619 is in Kodiak Island County, Alaska, with a ground snow load of 30 PSF, classified as moderate per ASCE 7-22.
Is my roof strong enough for snow in 99619?
With a moderate ground snow load of 30 PSF, standard residential construction typically handles this load, but verify with your local building code.
What county is ZIP code 99619 in?
ZIP code 99619 is in Kodiak Island County, Alaska (AK).