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900 King Street Equipment Library 2021-5-27
Equipment Description Source Usage Factor Spec (dBA, slow) Chain Saw FHWA Roadway Construction Noise Model 20% 85.0 78.0 109.7 Chipping Gun FHWA Roadway Construction Noise Model 20% 85.0 78.0 109.7 Compactor (ground) FHWA Roadway Construction Noise Model 20% 80.0 73.0 104.7 Concrete Mixer Truck FHWA Roadway Construction Noise Model 40%85.0 81.0 112.7 Concrete Pump Truck FHWA Roadway Construction Noise Model 20% 82.0 75.0 106.7 Crane (including Crawler Cranes and Lulls) FHWA Roadway Construction Noise Model 16% 85.0 77.0 108.7 Dozer FHWA Roadway Construction Noise Model 40% 85.0 81.0 112.7 Dump Truck FHWA Roadway Construction Noise Model 40% 84.0 80.0 111.7 Excavator FHWA Roadway Construction Noise Model 40% 85.0 81.0 112.7 Front End Loader / Backhoe FHWA Roadway Construction Noise Model 40% 80.0 76.0 107.7 Grapple (on Backhoe) FHWA Roadway Construction Noise Model 40% 85.0 81.0 112.7 Mounted Impact Hammer (Hoe Ram) FHWA Roadway Construction Noise Model 20% 90.0 83.0 114.7 Cadna Input Lw Leq at 50 feet Comment: Spec 721.560 values are Lmax @ 50 ft, dBa, slow.