appendix m acoustic assessment report - Government of Nova…
"Guidelines for Environmental Noise Measurement and Assessment, May 2005", NSDEL;. • NPC-233 Cone Crusher (S44 and S45); .. DEFRA, 29t, Tracked Hydraulic Excavator, 125 kW - Excavator mounted Rock Breaker. 2006 .. This practice has been shown to significantly reduce light trespass in other applications.