WebGPU + Wasm SIMD128
MUNICIPAL PERMIT PRESET · SEATTLE, WA

Seattle, WA Exterior Photometric Permit Requirements

Automated browser-native IESNA RP-8 & Seattle Commercial Energy Code C405.4 + SMC compliance verification and ARCH D vector submittal compilation.

Submittal Compliance Parameters

Property-Line Spill Limit≤ 0.10 fc @ 5'-0" Eye Ht
Uplight RequirementTM-15-20 U0 (0° Tilt)
Post-Curfew Dimming50% Driver Profile
Energy Code BaselineIECC 2024 LZ3

Electrical contractors, civil engineers, and lighting distributors submitting exterior parking plans in Seattle, WA must demonstrate horizontal & vertical boundary spill below 0.10 fc and exact luminaire wattage reconciliation with IECC 2024.