Sound Level Analysis & Regulatory Compliance
| Parameter | Formula |
|---|---|
| Distance Attenuation | SPLd = SPLref - 20 log10(d / dref) |
| Multiple Sources | Ltotal = 10 log10(Σ 10Li/10) |
| Multiple Units | LN = L1 + 10 log10(N) |
| Barrier Insertion Loss | IL = 10 log10(3 + 20N) where N = Fresnel number |
Understand compressor station noise assessment methodology and mitigation strategies
It estimates combined sound pressure levels from compressor station equipment at specified distances, accounting for propagation losses, ground effects, and barriers, then compares results to regulatory noise limits.
You need equipment sound levels at a reference distance, number of units, distance to property boundaries, barrier heights, ground type, and the applicable regulatory noise limit.
Common mitigation measures include sound barriers or walls, exhaust silencers, acoustic enclosures, and increasing setback distance from property boundaries.