Acoustical Analysis 062826 resubmission 4901 2414 2009 v1

Acoustical Analysis of Site Sound Emissions Proposed Mavis Tire Center #2296 - West Orange, NJ 28 June 2026 Page 5 ATTACHMENT A: ACOUSTICAL CALCULATIONS Octave Band Center Frequency, Hz A† HVAC Equipment Analysis 63 125 250 500 1000 2000 4000 8000 Rooftop unit, Trane T/YSK060 5-ton, Outdoor Lw‡ 84 84 82 80 77 73 69 67 82 Attenuation due to distance, 170 feet, plus Lw to Lp§ -43 -43 -43 -43 -43 -43 -43 -43 Attenuation of rooftop parapet -5 -5 -5 -5 -5 -5 -5 -5 Total 5-ton rooftop unit Lp at residential façade 36 36 34 32 29 25 21 19 34 Rooftop unit, Trane T/YSK120 10-ton, Outdoor Lw 86 87 87 83 81 77 73 67 86 Attenuation due to distance, 138 feet, plus Lw to Lp -41 -41 -41 -41 -41 -41 -41 -41 Attenuation of rooftop parapet -5 -5 -5 -5 -5 -5 -5 -5 Total 10-ton rooftop unit Lp at residential façade 40 41 41 37 35 31 27 21 40 Rooftop unit, Trane T/YSK120 10-ton, Outdoor Lw 86 87 87 83 81 77 73 67 86 Attenuation due to distance, 95 feet, plus Lw to Lp -38 -38 -38 -38 -38 -38 -38 -38 Attenuation of rooftop parapet -5 -5 -5 -5 -5 -5 -5 -5 Total 10-ton rooftop unit Lp at residential façade 43 44 44 40 38 34 30 24 43 Exhaust Fan, Flo Aire Centrifugal Downblast, Outdoor Lw 74 78 80 69 65 63 58 52 74 Attenuation due to distance, 110 feet, plus Lw to Lp -39 -39 -39 -39 -39 -39 -39 -39 Attenuation of rooftop parapet -5 -5 -5 -5 -5 -5 -5 -5 Total exhaust fan Lp at residential façade 30 34 36 25 21 19 14 8 30 Summed rooftop units + exhaust fan at Lp at residential façade 46 47 47 43 40 36 32 27 45 N.J.A.C. 7:29 Nighttime Noise Code Limits 71 61 53 48 45 42 40 38 50 Margin of compliance 25 14 6 5 5 6 8 11 5 † A denotes the A-weighted sound level. ‡ Sound power levels, Lw, are given in dB re 1 picowatt. § Sound pressure levels, Lp, are given in dB re 20 μPa.