Draft Environmental Impact Report - California Off Highway Vehicle ...

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3.3 Noise TABLE 3.31. SUMMARY OF SHORT–TERM, AMBIENT NOISE LEVELS MONITORED DURING THE DAYTIME Site Location Date/Time Noise Sources 1 2 3 SVRA west boundary, 130 feet east of Larkin Road SVRA center, 825 feet south of Larkin Road and 1,045 feet west of Clay Pit SVRA east boundary SVRA east boundary, 610 feet south of Larkin Road April 24, 2010 11:00 a.m.–12:00 p.m. April 24, 2010 12:00–1:00 p.m. April 24, 2010 1:00–2:00 p.m. April 24, 2010 2:00–3:00 p.m. April 24, 2010 11:00 a.m.–12:00 p.m. April 24, 2010 12:00–1:00 p.m. April 24, 2010 1:00–2:00 p.m. April 24, 2010 2:00–3:00 p.m. April 24, 2010 11:00 a.m.–12:00 p.m. April 24, 2010 12:00–1:00 p.m. April 24, 2010 1:00–2:00 p.m. April 24, 2010 2:00–3:00 p.m. AWeighted Sound Level (dBA) Leq Lmax L10 L50 L90 OHVs, traffic on Larkin Road, aircraft overflights 59.9 82.4 55.0 44.9 37.2 OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights 55.7 76.7 56.7 48.2 38.1 64.4 97.6 55.0 46.0 36.2 66.8 97.5 57.9 48.0 39.5 OHVs, traffic on Larkin Road, aircraft overflights 52.2 79.7 51.9 44.6 39.2 OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights 54.3 71.8 57.1 47.6 42.7 65.2 90.7 60.0 48.8 41.3 52.3 74.8 52.4 44.5 40.1 OHVs, traffic on Larkin Road, aircraft overflights 60.1 87.0 55.8 50.1 42.1 OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights OHVs, traffic on Larkin Road, aircraft overflights 54.9 77.0 56.9 50.4 42.7 69.2 95.3 65.2 52.6 44.6 51.5 74.2 51.6 43.4 38.7 Notes: Leq = the equivalent hourly average noise level; Lmax = maximum noise level; L10 = the noise level exceeded 10% of a specific period of time; L50 = the noise level exceeded 50% of a specific period of time; L90 = the noise level exceeded 90% of a specific period of time. Monitoring locations correspond to those depicted in Figure 3.3‐2. Source: Data collected by AECOM in 2010 Clay Pit State Vehicular Recreation Area February 2012 3.3-10 <strong>Draft</strong> EIR
3.3 Noise Table 3.3‐2 summarizes the modeled traffic noise levels, provides noise levels at 100 feet from the centerline of each major roadway, and lists distances from the roadway centerlines to the 60 dBA, 65 dBA, and 70 dBA Ldn traffic noise contours. These traffic noise modeling results are based on existing peak‐hour traffic volumes. As shown in Table 3.3‐2, the location of the 60 dBA Ldn contour ranges from 2 to 234 feet from the centerline of the modeled roadways. The extent to which existing land uses in the project area are affected by existing traffic noise depends on their proximity to the roadways and their individual sensitivity to noise. TABLE 3.32. SUMMARY OF EXISTING TRAFFIC NOISE LEVELS MODELED IN THE PLANNING AREA Roadway Saturday Afternoon Segment Ldn, 100 Feet from Roadway Centerline (dBA) Distance (feet) from Roadway Centerline to Ldn Contour From To 70 dBA 65 dBA 60 dBA SR 162 SR 99 Larkin Road 60 21 46 98 SR 162 Larkin Road SR 70 64 37 80 173 Larkin Road SR 162 Challenger Avenue 59 18 39 83 Larkin Road Challenger Avenue SVRA Access 60 20 43 92 Larkin Road SVRA Access Airport Park 59 19 40 86 Larkin Road Airport Park Hamilton Road 59 19 42 90 Larkin Road Hamilton Road to the south 58 17 36 77 Challenger Avenue Larkin Road to the west 37 1 1 3 SVRA Access Larkin Road to the south 41 1 2 5 Airport Park Larkin Road to the north 43 2 3 7 Hamilton Road Larkin Road to the west 45 2 5 10 Weekdays SR 162 SR 99 Larkin Road 61 23 51 109 SR 162 Larkin Road SR 70 66 50 108 234 Larkin Road SR 162 Challenger Avenue 62 30 65 139 Larkin Road Challenger Avenue SVRA Access 63 32 69 148 Larkin Road SVRA Access Airport Park 54 9 19 41 Larkin Road Airport Park Hamilton Road 61 27 58 125 Larkin Road Hamilton Road To the south 60 22 48 104 Challenger Avenue Larkin Road To the west 44 2 4 9 SVRA Access Larkin Road To the south 35 0 1 2 Airport Park Larkin Road To the north 49 4 9 19 Hamilton Road Larkin Road To the west 47 3 7 14 Notes: dBA = A‐weighted decibels; Ldn = day‐night average noise level. See Figure 3.1‐1 for roadway locations. Source: Modeled by AECOM in 2010 Clay Pit State Vehicular Recreation Area <strong>Draft</strong> EIR 3.3-11 February 2012
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STATE VEHICULAR RECREATION AREA Dra
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CALIFORNIA STATE PARKS Draft Enviro
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TABLE OF CONTENTS Table of Contents
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LIST OF ACRONYMS μg/l micrograms p
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Lmax maximum noise level Ln statist
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VELB valley elderberry longhorn bee
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Chapter S.0 - Summary S.0 Summary T
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S.0 Summary No mitigation measures
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Chapter 1.0 - Introduction 1.0 Intr
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Source: Adapted by AECOM 2011 1.0 I
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State Parks, California Department
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Safety proximity to California Dep
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1.7 DEIR Contents and Organization
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Chapter 2.0 - Project Description 2
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Source: AECOM 2011 2.0 Project Desc
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2.0 Project Description The OHMVR D
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2.0 Project Description the signifi
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Natural Resources Management (NRM)
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Open OHV Recreation Area 2.0 Projec
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TABLE 21. USE AREA MATRIX TOPICS
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Source: Topographic information pro
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Chapter 3.0 - Environmental Analysi
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3.1 Transportation and Traffic 3.1
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3.1 Transportation and Traffic cont
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Source: KD Anderson & Associates 20
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TABLE 3.11. DEFINITION OF LEVEL O
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TABLE 3.13. EXISTING ROADWAY LEVE
Page 59 and 60: 3.1 Transportation and Traffic A tr
Page 61 and 62: TABLE 3.14. PEAKHOUR LOS VOLUME
Page 63 and 64: Trip Distribution 3.1 Transportatio
Page 65 and 66: Source: KD Anderson & Associates 20
Page 67 and 68: 3.1 Transportation and Traffic TABL
Page 71 and 72: 3.1 Transportation and Traffic Othe
Page 77 and 78: Clay Pit State Vehicular Recreation
Page 79 and 80: 3.1.5 Summary of Significant Impact
Page 81 and 82: 3.2 Air Quality 3.2 Air Quality Thi
Page 83 and 84: 3.2 Air Quality During this 3‐yea
Page 85 and 86: 3.2 Air Quality geographic barriers
Page 87 and 88: 3.2 Air Quality Rule 205, “Fugit
Page 89 and 90: 3.2 Air Quality URBEMIS2007 also in
Page 91 and 92: 3.2 Air Quality Substitute electri
Page 93 and 94: 3.2 Air Quality Implementation of t
Page 95 and 96: 3.2 Air Quality Fugitive Dust All f
Page 97 and 98: 3.2 Air Quality the project area, t
Page 99 and 100: 3.2.6 Mitigation Measures 3.2 Air Q
Page 101 and 102: 3.3 Noise 3.3 Noise This section pr
Page 103 and 104: 3.3 Noise the way humans perceive s
Page 105 and 106: 3.3 Noise nonauditory health effect
Page 107 and 108: 3.3 Noise Vegetation can be used to
Page 109: Source: Data collected by AECOM in
Page 113 and 114: Source: City of Oroville 1990 3.3 N
Page 115 and 116: 3.3 Noise existing or proposed noi
Page 117 and 118: General Plan Impact Analysis IMPACT
Page 119 and 120: 3.3 Noise The extent to which noise
Page 121 and 122: 3.3 Noise equipment. Noise levels f
Page 123 and 124: 3.3 Noise the headquarters faciliti
Page 125 and 126: 3.4 Visual Resources 3.4 Visual Res
Page 127 and 128: 3.4 Visual Resources resource ident
Page 129 and 130: 3.4 Visual Resources scenic vistas
Page 131 and 132: 3.4.6 Mitigation Measures 3.4 Visua
Page 133 and 134: 3.5 Biological Resources 3.5 Biolog
Page 135 and 136: Source: TRA 2004, 2007, 2008, AECOM
Page 137 and 138: 3.5 Biological Resources An AECOM b
Page 139 and 140: Source: CNDDB April 2011 3.5 Biolog
Page 141 and 142: 3.5 Biological Resources The annual
Page 143 and 144: 3.5 Biological Resources Central Va
Page 145 and 146: 3.5 Biological Resources Plan conta
Page 147 and 148: 3.5 Biological Resources or during
Page 149 and 150: 3.6 Cultural Resources 3.6 Cultural
Page 151 and 152: California Public Resource Code 3.6
Page 153 and 154: Section 7050.5 Section 7050.5 inclu
Page 155 and 156: 3.6 Cultural Resources directly or
Page 157 and 158: Mitigation Measures: No mitigation
Page 159 and 160: 3.7 Geology and Soils 3.7 Geology a
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3.7 Geology and Soils a designated
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3.7 Geology and Soils 19, On‐Site
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3.7 Geology and Soils constructed i
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3.7 Geology and Soils As noted unde
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3.8 Hydrology and Water Quality 3.8
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State Plans, Policies, Regulations,
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3.8 Hydrology and Water Quality to
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3.8 Hydrology and Water Quality Im
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3.8 Hydrology and Water Quality dra
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3.8 Hydrology and Water Quality DMA
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3.8 Hydrology and Water Quality So
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3.8 Hydrology and Water Quality IE
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3.8 Hydrology and Water Quality Bec
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3.9 Public Services and Utilities 3
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3.9.2 Regulatory Setting 3.9 Public
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3.9 Public Services and Utilities I
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3.9 Public Services and Utilities r
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IMPACT 3.9-4 Risk of Exceeding Wast
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3.10 Hazards and Hazardous Material
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Federal Plans, Policies, Regulation
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Regional Plans, Policies, Regulatio
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General Plan Impact Analysis IMPACT
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3.10 Hazards and Hazardous Material
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3.11 Climate Change 3.11 Climate Ch
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3.11 Climate Change New developmen
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3.11 Climate Change This informatio
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3.11 Climate Change increased atten
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Headquarters Facilities Impact Anal
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Chapter 4.0 - Cumulative Analysis 4
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4.0 Cumulative Analysis extend far
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TABLE 43. CUMULATIVE PROJECTS Pro
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4.0 Cumulative Analysis Year 2030 P
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4.0 Cumulative Analysis display the
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Clay Pit State Vehicular Recreation
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4.0 Cumulative Analysis future anal
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4.0 Cumulative Analysis generated b
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4.0 Cumulative Analysis The potenti
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4.0 Cumulative Analysis required to
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Chapter 5.0 - Other CEQA-Required A
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5.0 Other CEQA Required Analysis an
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Chapter 6.0 - Alternatives to the P
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Source: AECOM 2010 6.0 Alternatives
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6.0 Alternatives to the Proposed Ac
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6.0 Alternatives to the Proposed Ac
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Chapter 7.0 - References Summary St
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7.0 References Kamian, Armen. Assoc
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7.0 References Ecologist, Off‐Hig
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7.0 References California Departmen
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7.0 References CalRecycle. 2010. Fa
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7.0 References City of Oroville. 20
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Chapter 8.0 - Report Contributors 8
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