Moreno Valley Business Park-
Phase II
NOISE IMPACT ANALYSIS
CITY OF MORENO VALLEY
PREPARED BY:
Bill Lawson, PE, INCE
[email protected]
(949) 584-3148
MAY 16, 2023
14397-03 Noise Study
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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TABLE OF CONTENTS
TABLE OF CONTENTS ................................ ................................ ................................ ......................... III APPENDICES ................................ ................................ ................................ ................................ .... IV LIST OF EXHIBITS ................................ ................................ ................................ .............................. IV LIST OF TABLES ................................ ................................ ................................ ................................ . V LIST OF ABBREVIATED TERMS ................................ ................................ ................................ ........... VI EXECUTIVE SUMMARY ................................ ................................ ................................ ....................... 1 1 INTRODUCTION ................................ ................................ ................................ ......................... 3
1.1 Site Location .................................................................................................................................. 3
1.2 Project Description ........................................................................................................................ 3 2 FUNDAMENTALS ................................ ................................ ................................ ....................... 7
2.1 Range of Noise .............................................................................................................................. 7
2.2 Noise Descriptors .......................................................................................................................... 8
2.3 Sound Propagation ........................................................................................................................ 8
2.4 Noise Control ................................................................................................................................ 9
2.5 Noise Barrier Attenuation ............................................................................................................. 9
2.6 Land Use Compatibility With Noise ............................................................................................ 10
2.7 Community Response to Noise ................................................................................................... 10
2.8 Vibration ..................................................................................................................................... 11 3 REGULATORY SETTING ................................ ................................ ................................ ............. 13
3.1 State of California Noise Requirements ...................................................................................... 13
3.2 State of California Green Building Standards Code .................................................................... 13
3.3 City of Moreno Valley General Plan Noise Element ................................................................... 14
3.4 Operational Noise Standards ...................................................................................................... 16
3.5 Construction Noise Standards .................................................................................................... 17
3.6 Vibration Standards .................................................................................................................... 18 4 SIGNIFICANCE CRITERIA ................................ ................................ ................................ ........... 19
4.1 Noise Level Increases (Threshold A) ........................................................................................... 19
4.2 Vibration (Threshold B) ............................................................................................................... 20
4.3 CEQA Guidelines Not Further Analyzed (Threshold C) ............................................................... 20
4.3 Significance Criteria Summary .................................................................................................... 21 5 EXISTING NOISE LEVEL MEASUREMENTS ................................ ................................ .................. 23
5.1 Measurement Procedure and Criteria ........................................................................................ 23
5.2 Noise Measurement Locations ................................................................................................... 23
5.3 Noise Measurement Results ....................................................................................................... 24 6 SENSITIVE RECEIVER LOCATIONS ................................ ................................ .............................. 27 7 OPERATIONAL NOISE IMPACTS ................................ ................................ ................................ 29
7.1 Operational Noise Sources .......................................................................................................... 29
7.2 Reference Noise Levels ............................................................................................................... 29
7.3 CadnaA Noise Prediction Model ................................................................................................. 32
7.4 Project Operational Noise Levels ................................................................................................ 33
7.5 Project Operational Noise Level Compliance .............................................................................. 34
7.6 Project Operational Noise Level Increases ................................................................................. 34 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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7.7 Off-Site Traffic Noise Analysis ..................................................................................................... 35 8 CONSTRUCTION IMPACTS ................................ ................................ ................................ ........ 39
8.1 Construction Noise Levels ........................................................................................................... 39
8.2 Construction Reference Noise Levels ......................................................................................... 39
8.3 Construction Noise Analysis ........................................................................................................ 41
8.4 Construction Noise Level Compliance ........................................................................................ 42
8.5 Typical Construction Vibration Impacts ...................................................................................... 42 9 REFERENCES ................................ ................................ ................................ ............................ 45 10 CERTIFICATION ................................ ................................ ................................ ........................ 47
APPENDICES
APPENDIX 3.1: CITY OF MORENO VALLEY MUNICIPAL CODE
APPENDIX 5.1: STUDY AREA PHOTOS
APPENDIX 5.2: NOISE LEVEL MEASUREMENT WORKSHEETS
APPENDIX 7.1: CADNAA OPERATIONAL NOISE MODEL INPUTS
APPENDIX 8.1: CADNAA CONSTRUCTION NOISE MODEL INPUTS
LIST OF EXHIBITS
EXHIBIT 1-A: LOCATION MAP ................................ ................................ ................................ ............. 4 EXHIBIT 1-B: SITE PLAN ................................ ................................ ................................ ...................... 5 EXHIBIT 2-A: TYPICAL NOISE LEVELS ................................ ................................ ................................ ... 7 EXHIBIT 2-B: NOISE LEVEL INCREASE PERCEPTION ................................ ................................ ............ 10 EXHIBIT 2-C: TYPICAL LEVELS OF GROUND-BORNE VIBRATION ................................ .......................... 12 EXHIBIT 3-A: LAND USE NOISE COMPATIBILITY CRITERIA ................................ ................................ .. 15 EXHIBIT 5-A: NOISE MEASUREMENT LOCATIONS ................................ ................................ .............. 25 EXHIBIT 6-A: SENSITIVE RECEIVER LOCATIONS ................................ ................................ .................. 28 EXHIBIT 7-A: OPERATIONAL NOISE SOURCE LOCATIONS ................................ ................................ ... 30 EXHIBIT 8-A: TYPICAL CONSTRUCTION NOISE SOURCE LOCATIONS ................................ ................... 40
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LIST OF TABLES
TABLE ES-1: SUMMARY OF CEQA SIGNIFICANCE FINDINGS ................................ ................................ . 1 TABLE 3-1: OPERATIONAL NOISE STANDARDS AT 200 FEET FROM THE SOURCE ................................ 17 TABLE 3-2: CONSTRUCTION NOISE STANDARDS FROM THE SOURCE LAND USE ................................ . 18 TABLE 4-1: SIGNIFICANCE CRITERIA SUMMARY ................................ ................................ ................ 21 TABLE 5-1: 24-HOUR AMBIENT NOISE LEVEL MEASUREMENTS ................................ ......................... 24 TABLE 7-1: REFERENCE NOISE LEVEL MEASUREMENTS ................................ ................................ ...... 31 TABLE 7-2: DAYTIME PROJECT OPERATIONAL NOISE LEVELS ................................ .............................. 33 TABLE 7-3: NIGHTTIME PROJECT OPERATIONAL NOISE LEVELS ................................ .......................... 34 TABLE 7-4: OPERATIONAL NOISE LEVEL COMPLIANCE ................................ ................................ ....... 34 TABLE 7-5: DAYTIME PROJECT OPERATIONAL NOISE LEVEL INCREASES ................................ ............. 36 TABLE 7-6: NIGHTTIME OPERATIONAL NOISE LEVEL INCREASES ................................ ........................ 37 TABLE 8-1: TYPICAL CONSTRUCTION REFERENCE NOISE LEVELS ................................ ........................ 41 TABLE 8-2: CONSTRUCTION EQUIPMENT NOISE LEVEL SUMMARY ................................ .................... 42 TABLE 8-3: VIBRATION SOURCE LEVELS FOR CONSTRUCTION EQUIPMENT ................................ ........ 42 TABLE 8-4: CONSTRUCTION VIBRATION LEVELS ................................ ................................ ................ 43
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LIST OF ABBREVIATED TERMS
(1) Reference
ADT Average Daily Traffic
ANSI American National Standards Institute
CEQA California Environmental Quality Act
CNEL Community Noise Equivalent Level
dBA A-weighted decibels
EPA Environmental Protection Agency
FHWA Federal Highway Administration
FTA Federal Transit Administration
Hz Hertz
INCE Institute of Noise Control Engineering
Leq Equivalent continuous (average) sound level
Lmax Maximum level measured over the time interval
Lmin Minimum level measured over the time interval
MARB/IPA March Air Reserve Base / Inland Port Airport
OPR Office of Planning and Research
PPV Peak particle velocity
Project Moreno Valley Business Park-Phase II
REMEL Reference Energy Mean Emission Level
RMS Root-mean-square
VdB Vibration Decibels
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
1 EXECUTIVE SUMMARY
Urban Crossroads, Inc. has prepared this noise study to determine the potential noi se impacts and the necessary noise mitigation measures, if any, for the proposed Moreno Valley Business Park-Phase II development (“Project”). The Project site is located east of Heacock Street and north of the 60 Freeway in the City of Moreno Valley. The proposed Project is to consist of 220,390 square foot industrial building
The results of this Noise Impact Analysis are summarized below based on the significance criteria in Section 4 of this report consistent with Appendix G of the California Environmental Quality Act (CEQA) Guidelines (1). Table ES -1 shows the findings of significance for each potential noise and/or vibration impact under CEQA.
TABLE ES-1: SUMMARY OF CEQA SIGNIFICANCE FINDINGS
Analysis Report
Section
Significance Findings
Unmitigated Mitigated
Operational Noise 7 Less Than Significant -
Construction Noise
8 Less Than Significant -
Construction Vibration Less Than Significant -
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3 1 INTRODUCTION
This noise analysis has been completed to determine the noise impacts associated with the development of the proposed Moreno Valley Business Park-Phase II (“Project”). This noise study briefly describes the proposed Project, provides information regarding noise fundamentals, sets out the local regulatory setting, presents the study methods and procedures for noise analysis, and evaluates the future exterior noise environment. In addition, this study includes an analysis of the potential Project -related long-term stationary-source operational noise and short-term construction noise and vibration impacts.
1.1 SITE LOCATION
The proposed project is located east of Heacock Street and north of the 60 Freeway in the City of Moreno Valley as shown on Exhibit 1-A. The nearest residential land uses are located to the north and west of the Project site, with industrial uses to the south and east.
1.2 PROJECT DESCRIPTION
Exhibit 1-B illustrates a preliminary site plan for the Project. The proposed Project is to consist of 220,390 square foot industrial building (Building 5) which will be evaluated assuming 154,270 square feet of warehousing use (70% of the overall square footage), 33,060 square feet of manufacturing use (15% of the overall square footage), and 33,060 square feet of high-cube cold storage warehouse use (15% of the overall square footage) for a total of 220,390 square feet of industrial uses.
The on-site Project-related noise sources are expected to include: loading dock activity, roof-top air conditioning units, trash enclosure activity , parking lot vehicle movements , and truck movements. This noise analysis is intended to describe noise level impacts associated with the expected typical operational activities at the Project site.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
4 EXHIBIT 1-A: LOCATION MAP
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5 EXHIBIT 1-B: SITE PLAN
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7 2 FUNDAMENTALS
Noise is simply defined as "unwanted sound." Sound becomes unwanted when it interferes with normal activities, when it causes actual physical harm or when it has adverse effects on health.
Noise is measured on a logarithmic scale of sound pressure level known as a decibel (dB). A - weighted decibels (dBA) appr oximate the subjective response of the human ear to broad frequency noise source by discriminating against very low and very high frequencies of the audible spectrum. They are adjusted to reflect only those frequencies which are audible to the human ear. Exhibit 2 -A presents a summary of the typical noise levels and their subjective loudness and effects that are described in more detail below.
EXHIBIT 2-A: TYPICAL NOISE LEVELS
Source: Environmental Protection Agency Office of Noise Abatement and Control, Information on Levels of Environmental Noise Requisite to Protect Public Health and Welfare with an Adequate Margin of Safety (EPA/ONAC 550/9-74-004) March 1974.
2.1 RANGE OF NOISE
Since the range of intensities that the human ear can detect is so large, the scale frequently used to measure intensity is a scale based on multiples of 10, the logarithmic scale. The scale for measuring intensity is the decibel scale. Each interval of 10 decibels indicates a sound energy ten times greater than before, whic h is perceived by the human ear as being roughly twice as loud. (2) The most common sounds vary between 40 dBA (very quiet) to 100 dBA (very loud). Normal conversation at three feet is roughly at 60 dBA, while loud jet engine noises equate to 110 dBA
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
8 at approximately 1,000 feet, which can cause serious discomfort. (3) Another important aspect of noise is the duration of the sound and the way it is described and distributed in time.
2.2 NOISE DESCRIPTORS
Environmental noise descriptors are generally based on averages, rather than instantaneous, noise levels. The most used metric is the equivalent level (Leq). Equivalent sound levels are not measured directly but are calculated from sound pressure levels typically measured in A - weighted decibels (dBA). The equivalent sound level (Leq) represents a steady state sound level containing the same total energy as a time varying signal over a given sample period and is commonly used to describe the “average” noise levels within the environment.
Peak hour or average noise levels, while useful, do not completely describe a given noise environment. Noise levels lower than peak hour may be disturbing if they occur during times when quiet is most desirable, namely evening and nighttime (sleeping) hours. To account for this, the Community Noise Equivalent Level (CNEL), representing a composite 24-hour noise level is utilized. The CNEL is the weighted average of the intensity of a sound, with corrections for time of day, and averaged over 24 hours. The time -of-day corrections require the addition of 5 decibels to dBA Leq sound levels in the evening from 7:00 p.m. to 10:00 p.m., and the addition of 10 decibels to dBA L eq sound levels at night between 10:00 p.m. and 7:00 a.m. These additions are made to account for the noise sensitive time periods during the evening an d night hours when noise can become more intrusive. CNEL does not represent the actual sound level heard at any time, but rather represents the total sound exposure. The City of Moreno Valley relies on the 24-hour CNEL level to assess land use compatibility with transportation related noise sources.
2.3 SOUND PROPAGATION
When sound propagates over a distance, it changes in level and frequency content. The way noise reduces with distance depends on the following factors.
2.3.1 GEOMETRIC SPREADING
Sound from a localized source (i.e., a stationary point source) propagates uniformly outward in a spherical pattern. The sound level attenuates (or decreases) at a rate of 6 dB for each doubling of distance from a point source. Highways consist of several localized noise sources on a defined path and hence can be treated as a line source, which approximates the effect of several point sources. Noise from a line source propagates outward in a cylindrical pattern, often referred to as cylindrical spreading. Sound levels attenuate at a rate of 3 dB for each doubling of distance from a line source. (2)
2.3.2 GROUND ABSORPTION
The propagation path of noise from a highway to a receiver is usually very close to the ground.
Noise attenuation from ground absorption and reflective wave canceling adds to the attenuation associated with geometric spreading. Traditionally, the excess attenuation has also been expressed in terms of attenuation per doubling of distance. This approximation is usually Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
9 sufficiently accurate for distances of less than 200 ft. For acoustically hard sites (i.e., sites with a reflective surface between the source and the receiver, such as a parking lot or body of water), no excess ground attenuation is assumed. For acoustically absorptive or soft sites (i.e., those sites with an absorptive ground surface between the source and the receiver such as soft dirt, grass, or scattered bushes and trees), an excess ground attenuation value of 1.5 dB per doubling of distance is normally assumed. When added to the cylindrical spreading, the excess ground attenuation results in an overall drop -off rate of 4.5 dB per doubling of distance from a line source. (4)
2.3.3 ATMOSPHERIC EFFECTS
Receivers located downwind from a source can be exposed to increased noise levels relative to calm conditions, whereas locations upwind can have lowered noise levels. Sound levels can be increased at large distances (e.g., more than 500 feet) due to atmospheric temperature inversion (i.e., increasing temperature with elevation). Other factors such as air temperature, humidity, and turbulence can also have significant effects. (2)
2.3.4 SHIELDING
A large object or barrier in the path between a noise source and a receiver can substantially attenuate noise levels at the receiver. The amount of attenuation provided by shielding depends on the size of the object and the frequency content of the noise source. Shielding by trees and other such vegetation typically only has an “out of sight, out of mind” effect. That is, the perception of noise impact tends to decrease when vegetation blocks the line-of-sight to nearby residents. However, for vegetation to provide a substantial, or even noticeable, noise reduction, the vegetation area must be at least 15 feet in height, 100 feet wide and dense enough to completely obstruct the line-of-sight between the source and the receiver. This size of vegetation may provide up to 5 dBA of noise r eduction. The Federal Highway Administration (FHWA) does not consider the planting of vegetation to be a noise abatement measure. (5)
2.4 NOISE CONTROL
Noise control is the process of obtaining an acceptable noise environment for an observation point or receiver by controlling the noise source, transmission path, receiver, or all three. This concept is known as the source -path-receiver concept. In general, noise control measures can be applied to these three elements.
2.5 NOISE BARRIER ATTENUATION
Effective noise barriers can reduce noise levels by 10 to 15 dBA, cutting the loudness of traffic noise in half. A noise barrier is most effective when placed close to the noise source or receiver.
Noise barriers, however, do have limitations. For a noise barrier to work, it must block the line - of-sight path of sound from the noise source.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
10 2.6 LAND USE COMPATIBILITY WITH NOISE
Some land uses are more tolerant of noise than others. For example, schools, hospitals, churches, and residences are more sensitive to noise intrusion than are commercial or industrial developments and related activities. As ambient noise levels affect the perceived amenity or livability of a development, so too can the mismanagement of noise impacts impair the economic health and growth potential of a community by reducing the area’s desirability as a place to live, shop and work. For this reason, land use compatibility with the noise environment is an important consideration in the planning and design pro cess. The FHWA encourages State and Local government to regulate land development in such a way that noise-sensitive land uses are either prohibited from being located adjacent to a highway, or that the developments are planned, designed, and constructed in such a way that noise impacts are minimized. (6)
2.7 COMMUNITY RESPONSE TO NOISE
Approximately sixteen percent of the population has a very low tolerance for noise and will object to any noise not of their making. Conseque ntly, even in the quietest environment, some complaints may occur. Twenty to thirty percent of the population will not complain even in very severe noise environments. (7 pp. 8-6) Thus, a variety of reactions can be expected from people exposed to any given noise environment.
Surveys have shown that community response to noise varies from no reaction to vigorous action for newly introduced noises averaging from 10 dB below existing to 25 dB above existing. (8) According to research originally published in the Noise Effects Handbook (7), the percentage of high annoyance ranges from approximately 0 percent at 45 dB or less, 10 percent are highly annoyed around 60 dB, and increases rapidly to approximately 70 percent being highly annoyed at approximately 85 dB or greater. Despite this variability in behavior on an individual level, the population can be expected to exhibit the following responses to changes in noise levels as shown on Exhibit 2 -B. A change of 3 dBA is considered barely perceptible, and changes of 5 dBA are considered readily perceptible. (4)
EXHIBIT 2-B: NOISE LEVEL INCREASE PERCEPTION
0 1 2 3 4 5 6 7 8 9 10
Just Perceptible
Barely Perceptible
Readily Perceptible
Twice as Loud
Noise Level Increase (dBA)
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
11 2.8 VIBRATION
Per the Federal Transit Administration (FTA) Transit Noise Impact and Vibration Impact Assessment Manual (8) , vibration is the periodic oscillation of a medium or object. The rumbling sound caused by the vi bration of room surfaces is called structure -borne noise. Sources of ground-borne vibrations include natural phenomena (e.g., earthquakes, volcanic eruptions, sea waves, landslides) or human -made causes (e.g., explosions, machinery, traffic, trains, construction equipment). Vibration sources may be continuous, such as factory machinery, or transient, such as explosions. As is the case with airborne sound, ground -borne vibrations may be described by amplitude and frequency.
There are several different methods that are used to quantify vibration. The peak particle velocity (PPV) is defined as the maximum instantaneous peak of the vibration signal. The PPV is most frequently used to describe vibration impacts to buildings but is not always suit able for evaluating human response (annoyance) because it takes some time for the human body to respond to vibration signals. Instead, the human body responds to average vibration amplitude often described as the root mean square (RMS). The RMS amplitude is defined as the average of the squared amplitude of the signal and is most frequently used to describe the effect of vibration on the human body. Decibel notation (VdB) is commonly used to measure RMS. Decibel notation (VdB) serves to reduce the range of numbers used to describe human response to vibration.
Typically, ground -borne vibration generated by man -made activities attenuates rapidly with distance from the source of the vibration. Sensitive receivers for vibration include structures (especially older masonry structures), people (especially residents, the elderly, and sick), and vibration-sensitive equipment and/or activities.
The background vibration -velocity level in residential areas is generally 50 VdB. Ground -borne vibration is normally p erceptible to humans at approximately 65 VdB. For most people, a vibration-velocity level of 75 VdB is the approximate dividing line between barely perceptible and distinctly perceptible levels. Typical outdoor sources of perceptible ground -borne vibration are construction equipment, steel-wheeled trains, and traffic on rough roads. If a roadway is smooth, the ground-borne vibration is rarely perceptible. The range of interest is from approximately 50 VdB, which is the typical background vibration -velocity level, to 100 VdB, which is the general threshold where minor damage can occur in fragile buildings. Exhibit 2 -C illustrates common vibration sources and the human and structural response to ground-borne vibration.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
12 EXHIBIT 2-C: TYPICAL LEVELS OF GROUND-BORNE VIBRATION
Source: Federal Transit Administration (FTA) Transit Noise and Vibration Impact Assessment Manual.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
13 3 REGULATORY SETTING
To limit population exposure to physically and/or psychologically damaging as well as intrusive noise levels, th e federal government, the State of California, various county governments, and most municipalities in the state have established standards and ordinances to control noise. In most areas, automobile and truck traffic is the major source of environmental no ise. Traffic activity generally produces an average sound level that remains constant with time. Air and rail traffic, and commercial and industrial activities are also major sources of noise in some areas.
Federal, state, and local agencies regulate different aspects of environmental noise. Federal and state agencies generally set noise standards fo r mobile sources such as aircraft and motor vehicles, while regulation of stationary sources is left to local agencies.
3.1 STATE OF CALIFORNIA NOISE REQUIREMENTS
The State of California regulates freeway noise, sets standards for sound transmission, provi des occupational noise control criteria, identifies noise standards, and provides guidance for local land use compatibility. State law requires that each county and city adopt a General Plan that includes a Noise Element which is to be prepared per guidelines adopted by the Governor’s Office of Planning and Research (OPR). (9) The purpose of the Noise Element is to limit the exposure of the community to excessive noise levels . In addition, the California Environmental Quality Act (CEQA) requires that all known environmental effects of a project be analyzed, including environmental noise impacts.
3.2 STATE OF CALIFORNIA GREEN BUILDING STANDARDS CODE
The State of California’s Green Building Standards Code contains mandatory meas ures for non- residential building construction in Section 5.507 on Environmental Comfort. (10) These noise standards are applied to new construction in California for controlling interior noise levels resulting from exterior noise sources. The regulations specify that acoustical studies must be prepared when non-residential structures are developed in areas where the exterior noise levels exceed 65 dBA CNEL, such as w ithin a noise contour of an airport, freeway, railroad, and other areas where noise contours are not readily available. If the development falls within an airport or freeway 65 dBA CNEL noise contour, the combined sound transmission class (STC) rating of the wall and roof-ceiling assemblies must be at least 50. For those developments in areas where noise contours are not readily available and the noise level exceeds 65 dBA L eq for any hour of operation, a wall and roof -ceiling combined STC rating of 45, a nd exterior windows with a minimum STC rating of 40 are required (Section 5.507.4.1).
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
14 3.3 CITY OF MORENO VALLEY GENERAL PLAN NOISE ELEMENT The City of Moreno Valley Noise Element typically provides the standards for land use compatibility for community noise exposure. However, the City of Moreno Valley General Plan does not include a noise element or specific transportation -related noise standards. Rather, noise is considered in the Environmental Safety section of the General Plan Safety Element. (11) While the General Plan provides background and noise fundamentals, it does not identify criteria to assess the impacts associated with off -site transportation-related noise impacts. Therefore, for this analysis, the transpo rtation noise criteria are derived from standards contained in the California Office of Planning and Research (OPR) General Plan Guidelines. (9) The OPR land use/noise compatibility standards are used by many California cities and counties and specify the maximum noise levels allowable for new developments impacted by transportation noise sources. The OPR land use/noise compatibility criteria, found in Figure 2 of the General Plan Guidelines, Appendix D: Noise Element Guideline s, identify the criteria for industrial land uses such as the Project, as shown on Exhibit 3-A. When the unmitigated exterior noise levels approach 70 dBA CNEL industrial land use is considered normally acceptable. With exterior noise levels ranging from 70 to 80 dBA CNEL, industrial land uses are considered conditionally acceptable , and with exterior noise levels greater than 80 dBA CNEL, they are considered normally unacceptable . For normally unacceptable land use, new construction or development should generally be discouraged. If new construction or development does proceed, a detailed analysis of the noise reduction requirements must be made and needed noise insulation features included in the design. (9) For the purposes of this analysis, industrial land use such as the Project does not contain outdoor living areas requiring exterior noise mitigation as outlined in the OPR General Plan Guidelines, and therefore, only the interior noise levels experienced by employees at the Project site are evaluated against the appropriate noise level standards.
The purpose of the transportation noise criteria is to protect, create, and maintain an environment free from noise and vibration that may jeopardize the health or welfare of sensitive receptors, or degrade quality of life. City General Policies (City of Moreno Valley General Plan, pp.9-31, 9-32) act to ensure that when exterior noise levels exceed 65 dBA CNEL at sensitive receivers, mitigation is provided to ens ure that interior noise levels of 45 dBA CNEL are maintained. General Plan Policies in this regard are consistent with, and support, the California Building Code interior noise standards.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
15 EXHIBIT 3-A: LAND USE NOISE COMPATIBILITY CRITERIA
Source: OPR General Plan Guidelines, Appendix D: Noise Element Guidelines, Figure 2.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
16 3.4 OPERATIONAL NOISE STANDARDS
To analyze noise impacts originating from a designated fixed location or private property such as the Moreno Valley Business Park -Phase II Project, stationary-source (operational) noise such as the expected loading dock activity, roof -top air conditioning units, trash enclosure activity, parking lot vehicle movements, and truck movements are typically evaluated against standards established under a City’s Municipal Code. The City of Moreno Valley Municipal Code, Chapter
11.80 Noise Regulation , provides performance standards and noise control guidelines for determining and mitigating non -transportation or stationary -source noise impacts from operations at private properties.
The City of Moreno Valley Municipal Code defines Maximum Sound Levels (in dB(A)) for Source Land Uses in Table 11.80.030 -2 for Residential and Commercial land uses. As defined by the Municipal Code, Section 11.80.020 Definitions, Commercial land use means all uses of land not otherwise classified as residential, and Residential land use means all uses of land primarily for dwelling units, as well as hospitals, school s, colleges and universities, and places of religious assembly. (12) For the purpose of this analysis, the Moreno Valley Business Park-Phase II Project is considered Commercial land use since it is not classified as residential. Based on this standard, the operational noise level limits for commercial land use, from Table 11.80.030-2, of 65 dBA Leq during the daytime (8:00 a.m. to 10:00 p.m.) hours and 60 dBA Leq during the nighttime (10:01 p.m. to 7:59 a.m.) hours shall apply to the operational noise source activities from the Project.
Further, Section 11.80.030 (C) Prohibited Acts , Nonimpulsive Sound Decibel Limits , states: No person shall maintain, create, operate or cause to be operated on private property any source of sound in such a manner as to create any nonimpulsive sound which exceeds the limits set forth for the source land use category (as defined in Section 11.80.020) in Table 11.80.030 -2 when measured at a distance of two hundred (200) feet or more from the real property line of the source of the sound, if the sound occurs on a privately owned property… (12) Therefore, at a distance of 200 feet from the property line, the Project’s operational noise levels shall not exceed the 65 dBA Leq daytime and 60 dBA Leq nighttime noise level standards for commercial land uses, as shown on Table 3-1.
The City of Moreno Valley Municipal Code also identifies continuous sound level limits in Table
11.80.030-1 based on the Center for Disease Control and Prevention and the National Institute for Occupational Safety and Health (NIOSH) noise exposure guidelines. A division of the U.S.
Department of Health and Human Services, NIOSH identifies a noise level threshold based on the duration of exposure to the source. The City of Moreno Valley noise level threshold starts at 90 dBA for more than eight hours per day, and for every increase, the exposure time is reduced. The City of Moreno Valley identifies noise level thresholds of 92 dBA for more than 6 hours per day, 95 dBA for more than 4 hour per day, 97 dBA for more than 3 hours per day, and up to 100 dBA for more than 2 hou rs per day. However, this noise study uses the more restrictive City of Moreno Valley commercial noise level limits identified on Table 11.80.030-2 for source land uses in the Municipal Code, shown on Table 3 -1 of this report, to evaluate the potential op erational noise levels due to the operation of the Project.
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17 TABLE 3-1: OPERATIONAL NOISE STANDARDS AT 200 FEET FROM THE SOURCE City Source
Land use
Noise Level Standards (dBA Leq)1
Daytime Nighttime
Moreno Valley Commercial 65 60
1 City of Moreno Valley Municipal Code, Chapter 11.80 Noise Regulation, Table 11.80.030-2 Maximum Sound Levels (in dB(A)) for Source Land Uses when measured at 200 feet from the property line of the source land use (Appendix
3.1). Leq represents a steady state sound level containing the same total energy as a time varying signal over a given period. "Daytime" = 8:00 a.m. to 10:00 p.m.; "Nighttime" = 10:01 p.m. to 7:59 a.m.
3.5 CONSTRUCTION NOISE STANDARDS
To analyze noise impacts originating from the const ruction of the Moreno Valley Business Park- Phase II site, noise from construction activities is typically evaluated against standards established under a City’s Municipal Code. The Municipal Code noise standards for construction are described below for the City of Moreno Valley to determine the potential noise impacts at the nearest receiver locations. The construction-related noise standards are shown on Table 3 -
2. The Municipal Code noise standards for construction are described below for the City of Moreno Valley to determine the potential noise impacts at the nearest sensitive receiver locations. As a subset of its stationary-source noise regulations, the City Municipal Code establishes permitted hours of construction activity. More specificall y, Municipal Code Section 11.80.030 (D)(7), Construction and Demolition, provides the following:
No person shall operate, or cause operation of any tools or equipment used in construction, drilling, repair, alteration, or demolition work between the hours of eight p.m. and seven a.m. the following day such that the sound there from creates a noise disturbance, except for emergency work by public service utilities or for other work approved by the city manager or designee.
Therefore, based on the Section 11.80.030 (D)(7) construction regulations, a construction-related noise disturbance occurs if Project construction activity occurs outside of the permitted hours.
However, for this analysis, the stationary -source noise level limits of 65 dBA L eq during the daytime hours and 60 dBA Leq during the nighttime hours are used as appropriate thresholds for the nearest sensitive land uses ( e.g., residential homes) in the Project study area. In addition, grading operations shall be limited to the hours identified in Section 8.21.050 (O) of 7:00 a.m. to 6:00 p.m., Monday through Friday, and 8:00 a.m. to 4:00 p.m. on weekends and holidays or as approved by the City Engineer. The City of Moreno Valley construction noise standards are shown on Table 3 -2 and included in Appendix 3.1. As previously discussed in Section 3.4, the construction noise level threshold used in this noise study represents a c onservative approach, since it is more restrictive than the continuous sound level limits of Table 11.80.030-1 of the City of Moreno Valley Municipal Code.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
18 TABLE 3-2: CONSTRUCTION NOISE STANDARDS FROM THE SOURCE LAND USE City Permitted Hours of
Construction Activity
Construction Noise Level
Standard (dBA Leq)2
Daytime Nighttime
Moreno Valley1
General Activity: 7:00 a.m. to 8:00 p.m. on any day.
Grading is limited to 7:00 a.m. to 6:00 p.m. Monday to
Friday; 8:00 a.m. to 4:00 p.m. on weekends and holidays. 65 603
1 City of Moreno Valley Municipal Code, Section 11.80.030 (D)(7) as shown in Appendix 3.1. 2 Acceptable threshold for determining the relative significance of short-term Project construction noise levels, based on the City of Moreno Valley stationary noise standards shown on Table 3-1. 3 Any nighttime construction activity requires an exemption from the City of Moreno Valley Municipal Code as indicated in Section
11.80.030 (E)(8) for a special event permit (Section 11.80.040). The special event permit application shall be submitted to the City of Moreno Valley Planning Department for approval and meet the requirements of Municipal Code Section 11.80.040. "Daytime" = 8:00 a.m. to 10:00 p.m.; "Nighttime" = 10:01 p.m. to 7:59 a.m.
3.6 VIBRATION STANDARDS
Construction activity can result in varying degrees of ground -borne vibration, depending on the equipment and methods used, distance to the affected structures and soil type. Construction vibration is generally associated with pile driving and rock blasting. Other construction equipment such as air compressors, light trucks, hydraulic loaders, etc., generates little or no ground vibration. (8) To analyze vibration impacts originating from the operation and construction of the Moreno Valley Bus iness Park -Phase II , vibration -generating activities are appropriately evaluated against standards established under a City’s Municipal Code, if such standards exist. However, the City of Moreno Valley does not identify specific vibration level limits. Therefore, for analysis purposes, the Caltrans Transportation and Construction Vibration Guidance Manual, (13 p. 38) Table 19, vibration damage are used in this noise study to assess potential temporary construction -related impacts at adjacent building locations. The nearest noise sensitive buildings adjacent to the Project site can best be described as “older residential structures” with a maximum acceptable continuous vibration threshold of 0.3 PPV (in/sec).
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
19 4 SIGNIFICANCE CRITERIA
The following significance criteria are based on currently adopted guidance provided by Appendix G of the California Environmental Quality Act (CEQA) Guidelines. (1) For the purposes of this report, impacts would be potentially significant if the Project results in or causes:
A. Generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in excess of standards es tablished in the local general plan or noise ordinance, or applicable standards of other agencies?
B. Generation of excessive ground-borne vibration or ground-borne noise levels? C. For a project located within the vicinity of a private airstrip or an airp ort land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels?
4.1 NOISE LEVEL INCREASES (THRESHOLD A)
Noise level increases resulting from the Project are evaluated based on the Appendix G CEQA Guidelines described above at the closest sensitive receiver locations. Under CEQA, consideration must be given to the magnitude of the increase, the existing baseline ambient noise levels, and the location of noise -sensitive receivers to determine if a noise increase represents a significant adverse environmental impact. This approach recognizes that there is no single noise increase that renders the noise im pact significant. (14) This is primarily because of the wide variation in individual thresholds of annoyance and differing individual experiences with noise. Thus, an important way of determining a person’s subjective reaction to a new noise is the comparison of it to the existing environment to which one has adapted —the so -called ambient environment. In general, the more a new noise exceeds the previously existing ambient noise level, the less acceptable the new noise will typically be judged.
The Federal Interagency Committee on Noise (FICON) (15) developed guidance to be used for the assessment of project-generated increases in noise levels that consider the ambient noise level.
The FICON reco mmendations are based on studies that relate aircraft noise levels to the percentage of persons highly annoyed by aircraft noise. Although the FICON recommendations were specifically developed to assess aircraft noise impacts, these recommendations are of ten used in environmental noise impact assessments involving the use of cumulative noise exposure metrics, such as the average-daily noise level (CNEL) and equivalent continuous noise level (Leq).
As previously stated, the approach used in this noise study recognizes that there is no single noise increase that renders the noise impact significant , based on a 2008 California Court of Appeal ruling on Gray v. County of Madera. (14) For example, if the ambient noise environment is quiet (<60 dBA) and the new noise source greatly increases the noise levels, an impact may occur if the noise criteria may be exceeded. Therefore, for this analysis, a readily perceptible 5 dBA or greater project-related noise level increase is considered a significant impact when the without project noise levels are below 60 dBA. Per the FICON, in areas where the without project noise levels range from 60 to 65 dBA, a 3 dBA barely perceptible noise level increase appears to be appropriate for most people. When the without project noise levels already exceed 65 dBA, any Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
20 increase in community noise louder than 1.5 dBA or greater is considered a significant impact if the noise criteria for a given land use is exceeded, since it likely contributes to an exis ting noise exposure exceedance. The FICON guidance provides an established source of criteria to assess the impacts of substantial temporary or permanent increase in baseline ambient noise levels.
Based on the FICON criteria, the amount to which a given noise level increase is considered acceptable is reduced when the without Project (baseline) noise levels are already shown to exceed certain land -use specific exterior noise level criteria. The specific levels are based on typical responses to noise leve l increases of 5 dBA or readily perceptible , 3 dBA or barely perceptible, and 1.5 dBA depending on the underlying without Project noise levels for noise - sensitive uses. These levels of increases and their perceived acceptance are consistent with the guidance provided by both the Federal Highway Administration (4 p. 9) and Caltrans (16 p. 2_48).
4.2 VIBRATION (THRESHOLD B)
As described in Section 3.5, the vibration impacts orig inating from the construction of Moreno Valley Business Park -Phase II, vibration-generating activities are appropriately evaluated using the Caltrans vibration damage thresholds to assess potential temporary construction -related impacts at adjacent build ing locations. The nearest noise sensitive buildings adjacent to the Project site can best be described as “older residential structures” with a maximum acceptable continuous vibration threshold of 0.3 PPV (in/sec).
4.3 CEQA GUIDELINES NOT FURTHER ANALYZED (THRESHOLD C)
CEQA Noise Threshold C applies when there are nearby public and private airports and/or air strips and focuses on land use compatibility of the Project to nearby airports and airstrips. The Project site is not located within two miles of an airport or air strip. The closest airport is The March Air Reserve Base/Inland Port Airport (MARB/IPA). The MARB/IPA boundary is located approximately 2.3 miles southwest of the Project site. As such, the Project site would not be exposed to excessive noise levels from airport operations, and therefore, impacts are considered less than significant, and no further noise analysis is conducted in relation to Appendix G to the CEQA Guidelines, Noise Threshold C.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
21 4.3 SIGNIFICANCE CRITERIA SUMMARY
Noise impacts shall be considered significant if any of the following occur as a direct result of the proposed development. Table 4-1 shows the significance criteria summary matrix.
TABLE 4-1: SIGNIFICANCE CRITERIA SUMMARY
Analysis Receiving
Land Use Condition(s) Significance Criteria
Daytime Nighttime
Operational Noise-
Sensitive
At 200' from the property
line of the source1 65 dBA Leq 60 dBA Leq
if ambient is < 60 dBA Leq2 ≥ 5 dBA Leq Project increase if ambient is 60 - 65 dBA Leq2 ≥ 3 dBA Leq Project increase if ambient is > 65 dBA Leq2 ≥ 1.5 dBA Leq Project increase Construction Noise-
Sensitive
At 200' from the property
line of the source1 65 dBA Leq 60 dBA Leq
Vibration Level Threshold3 0.3 PPV (in/sec)
1 FICON, 1992.
2 City of Moreno Valley Municipal Code, Chapter 11.80 Noise Regulation (Appendix 3.1). 3 Caltrans Transportation and Construction Vibration Manual, April 2020 Table 19. "Daytime" = 8:00 a.m. - 10:00 p.m.; "Nighttime" = 10:01 p.m. - 7:59 a.m.
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23 5 EXISTING NOISE LEVEL MEASUREMENTS
To assess the existing noise level environment, 24-hour noise level measurements were taken at five locations in the Project study area. The receiver locations were selected to describe an d document the existing noise environment within the Project study area. Exhibit 5-A provides the boundaries of the Project study area and the noise level measurement locations. To fully describe the existing noise conditions, noise level measurements we re collected by Urban Crossroads, Inc. on Wednesday, October 6th, 2021. Appendix 5.1 includes study area photos.
5.1 MEASUREMENT PROCEDURE AND CRITERIA
To describe the existing noise environment, the hourly noise levels were measured during typical weekday conditions over a 24 -hour period. By collecting individual hourly noise level measurements, it is possible to describe the equivalent daytime and nighttime hourly noise levels. The long-term noise readings were recorded using Piccolo Type 2 integrating sound level meter and dataloggers. The Piccolo sound level meters were calibrated using a Larson -Davis calibrator, Model CAL 150. All noise meters were programmed in "slow" mode to record noise levels in "A" weighted form. The sound level meters and mi crophones were equipped with a windscreen during all measurements. All noise level measurement equipment satisfies the American National Standards Institute (ANSI) standard specifications for sound level meters ANSI S1.4-2014/IEC 61672-1:2013. (17)
5.2 NOISE MEASUREMENT LOCATIONS
The long -term noise level measurements were positioned as close to the nearest sensitive receiver locations as possible to assess the existing ambient hourly noise levels surrounding the Project site. Both Caltrans and the FTA recognize that it is not reasonable to collect noise level measurements that can fully represent every part of a private yard, patio, deck, or balcony normally used for human activity when estimating impacts for new develo pment projects. This is demonstrated in the Caltrans general site location guidelines which indicate that, sites must be free of noise contamination by sources other than sources of interest. Avoid sites located near sources such as barking dogs, lawnmowe rs, pool pumps, and air conditioners unless it is the express intent of the analyst to measure these sources. (2) Further, FTA guidance states, that it is not necessary nor recommended that existing noise exposure be determined by measuring at every noise -sensitive location in the project area. Rather, the recommended approach is to characterize the noise environment for clusters of sites based on measurements or estimates at representative locations in the community. (8)
Based on recommendations of Caltrans and the FTA, it is not necessary to collect measurements at each individual building or residence, because each receiver measurement represents a group of buildings that share acoustical equivalence. (8) In other words, the area represented by the receiver shares similar shielding, terrain, and geometric relationship to the reference noise source. Receivers represent a location o f noise sensitive areas and are used to estimate the future noise level impacts. Collecting reference ambient noise level measurements at the nearest sensitive receiver locations allows for a comparison of the before and after Project noise levels Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
24 and is necessary to assess potential noise impacts due to the Project’s contribution to the ambient noise levels.
5.3 NOISE MEASUREMENT RESULTS
The noise measurements presented below focus on the average or equivalent sound levels (Leq).
The equivalent sound level (Leq) represents a steady state sound level containing the same total energy as a time varying signal over a given sample period. Table 5 -1 identifies the hourly daytime (8:00 a.m. to 10:00 p.m.) and nighttime (10:0 0 p.m. to 8:00 a.m.) noise levels at each noise level measurement location.
TABLE 5-1: 24-HOUR AMBIENT NOISE LEVEL MEASUREMENTS
Location1 Description
Energy Average
Noise Level
(dBA Leq)2 CNEL
Daytime Nighttime
L1 Located north of the Project site near single-
family residence at 11989 Tabor Drive. 65.4 60.9 64.1
L2 Located north of the Project site near single-
family residence at 24130 Ironwood Avenue. 71.5 68.5 70.4 L3 Located east of the Project site near single-
family residence at 12079 Nita Drive. 51.8 48.3 50.5
L4 Located west of the Project site near single-
family residence at 12095 Heacock Street. 67.1 65.5 66.5 L5 Located west of the Project site near single-
family residence at 12065 Heacock Street. 70.1 67.8 69.3 1 See Exhibit 5-A for the noise level measurement locations. 2 Energy (logarithmic) average levels. The long-term 24-hour measurement worksheets are included in Appendix 5.2. "Daytime" = 8:00 a.m. to 10:00 p.m.; "Nighttime" = 10:01 p.m. to 7:59 a.m.
Table 5 -1 provides the equivalent noise levels used to describe the daytime and nighttime ambient conditions. These daytime and nighttime energy average noise levels represent the average of all hourly noise levels observed during these time periods expre ssed as a single number. Appendix 5.2 provides summary worksheets of the noise levels for each of the daytime and nighttime hours.
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25 EXHIBIT 5-A: NOISE MEASUREMENT LOCATIONS
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27 6 SENSITIVE RECEIVER LOCATIONS
To assess the potential for long-term operational and short-term construction noise impacts, the following sensitive receiver locations, as shown on Exhibit 6-A, were identified as representative locations for analysis. Sensitive receivers are generally defined as locations where people reside or where the presence of unwanted sound could otherwise adversely affect the use of the land.
Noise-sensitive land uses are generally considered to include schools, hospitals, single -family dwellings, mobile home pa rks, churches, libraries, and recreation areas. Moderately noise - sensitive land uses typically include multi -family dwellings, hotels, motels, dormitories, out - patient clinics, cemeteries, golf courses, country clubs, athletic/tennis clubs, and equestrian clubs. Land uses that are considered relatively insensitive to noise include business, commercial, and professional developments. Land uses that are typically not affected by noise include:
industrial, manufacturing, utilities, agriculture, undeveloped land, parking lots, warehousing, liquid and solid waste facilities, salvage yards, and transit terminals.
To describe the potential off -site Project noise levels, five sensitive receiver locations in the vicinity of the Project site were identified. All distances are measured from the Project site boundary to the outdoor living areas (e.g., private backyards) or at the building façade, whichever is closer to the Project site. The selection of receiver locations is based on FHWA guidelines and is consistent with additional guidance provided by Caltrans and the FTA, as previously described in Section 5.2. Other sensitive land uses in the Project study area that are located at greater distances than those identified in this noise study will experience lowe r noise levels than those presented in this report due to the additional attenuation from distance and the shielding of intervening structures. Distance is measured in a straight line from the project boundary to each receiver location.
R1: Location R1 represents existing noise sensitive residence at 11989 Tabor Drive , approximately 111 feet north of the Project site. R1 is placed in the private outdoor living areas (backyard) facing the Project site . A 24-hour noise measurement was taken near this location, L1, to describe the existing ambient noise environment.
R2: Location R2 represents the existing noise sensitive residence at 24130 Ironwood Avenue, approximately 123 feet north of the Project site. Since there are no private outdoor living areas (backyards) facing the Project site, receiver R 2 is placed at the building façade. A 24-hour noise measurement was taken near this location, L2, to describe the existing ambient noise environment.
R3: Location R3 represents the existing noise sensitive residence at 12079 Nita Drive , approximately 1,262 feet east of the Project site. R3 is placed in the private outdoor living areas (backyard) facing the Project site . A 24-hour noise measurement was taken near this location, L3, to describe the existing ambient noise environment.
R4: Location R4 represents the existing noise sensitive residence at 12107 Heacock Street , approximately 103 feet west of the Project site. Since there are no private outdoor living areas (backyards) facing the Project site, re ceiver R4 is placed at the building façade . A 24-hour noise measurement was taken near this location, L 4, to describe the existing ambient noise environment.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
28 R5: Location R5 represents the existing noise sensitive residence at 12065 Heacock Street , approximately 184 feet west of the Project site. Since there are no private outdoor living areas (backyards) facing the Project site, receiver R 5 is placed at the building façade . A 24-hour noise measurement was taken near this location, L 5, to describe the existing ambient noise environment.
EXHIBIT 6-A: SENSITIVE RECEIVER LOCATIONS
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
29 7 OPERATIONAL NOISE IMPACTS
This section analyzes the potential stationary -source operational noise impacts at the nearest receiver locations, identified in Section 6, resulting from the operation of the proposed Moreno Valley Business Park -Phase II Project. Exhibit 7-A identifies the noise source locations used to assess the operational noise levels.
7.1 OPERATIONAL NOISE SOURCES
This operational noise analysis is intended to describe noise level impacts associated with the typical daytime and nighttime activities at the Project site. The on -site Project -related noise sources are expected to include: loading dock activity, roof -top air conditioning units, trash enclosure activity, parking lot vehicle movements, and truck movements.
7.2 REFERENCE NOISE LEVELS
To estimate the Project operational noise impacts, reference noise level measurements were collected from similar types o f activities to represent the noise levels expected with the development of the proposed Project. This section provides a detailed description of the reference noise level measurements shown on Table 7-1 used to estimate the Project operational noise impacts. It is important to note that the following projected noise levels assume the worst- case noise environment with the loading dock activity, roof -top air conditioning units, trash enclosure activity, parking lot vehicle movements, and truck movements all operating at the same time. These sources of noise activity will likely vary throughout the day.
9.2.1 MEASUREMENT PROCEDURES
The reference noise level measurements presented in this section were collected using Piccolo Type 2 integrating sound level meter and dataloggers. The Piccolo sound level meters were calibrated using a Larson -Davis calibrator, Model CAL 150. All noise meters were programmed in "slow" mode to record noise levels in "A" weighted form. The sound level meters and microphones wer e equipped with a windscreen during all measurements. All noise level measurement equipment satisfies the American National Standards Institute (ANSI) standard specifications for sound level meters ANSI S1.4-2014/IEC 61672-1:2013. (17)
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30 EXHIBIT 7-A: OPERATIONAL NOISE SOURCE LOCATIONS
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
31 TABLE 7-1: REFERENCE NOISE LEVEL MEASUREMENTS
Noise Source1
Noise
Source
Height
(Feet)
Min./
Hour2
Reference
Noise Level
(dBA Leq)
@ 50 Feet
Sound
Power
Level
(dBA)3 Day Night
Loading Dock Activity 8' 60 60 65.7 111.5
Roof-Top Air Conditioning Units 5' 39 28 57.2 88.9
Trash Enclosure Activity 5' 10 10 57.3 89.0
Parking Lot Vehicle Movements 5' 60 60 56.1 87.8
Truck Movements 8' 60 60 58.0 93.2
1 As measured by Urban Crossroads, Inc.
2 Anticipated duration (minutes within the hour) of noise activity during typical hourly conditions expected at the Project site. "Daytime" = 7:00 a.m. - 10:00 p.m.; "Nighttime" = 10:00 p.m. - 7:00 a.m. 3 Sound power level represents the total amount of acoustical energy (noise level) produced by a sound source independent of distance or surroundings. Sound power levels calculated using the CadnaA noise model at the reference distance to the noise source.
7.2.2 LOADING DOCK ACTIVITY
The reference loading dock activities are intended to describe the typical outdoor operational noise activities associated with the Project. This includes truck idling, reefer activity (refrigerator truck/cold storage), deliveries, backup alarms, trailer docking including a combination of tractor trailer semi-trucks, two-axle delivery trucks, and background operation activities. Since the noise levels generated by cold storage loading dock activity can be slightly higher due to the use of refrigerated trucks or reefers, this analysis conservatively assumes that all loading dock activity is associated with cold storage facilities, even though only 15 percent cold storage is anticipated.
The reference noise level measurement was taken in the center of the loading dock activity area and represents multiple concurrent noise sources resulting in a combined noise level of 65.7 dBA Leq at a uniform distance of 50 feet. Specifically, the reference noise level measurement represents one truck located approximately 30 feet from the noise level meter with another truck passing by to park roughly 20 feet away, both with their engines idling. Throughout the reference noise level measurement, a separate docked and running reefer truck was located approximately 50 feet east of the measurement location. Additional background noise sources included truck pass-by noise, truck drivers talking to each other next to docked trucks, and air brake release noise when trucks parked.
7.2.3 ROOF-TOP AIR CONDITIONING UNITS
The noise level measurements describe a single mechanical roof -top air conditioning unit. The reference noise level represents a Lennox SCA120 series 10-ton model packaged air conditioning unit. At the uniform reference distance of 50 feet, the reference noise le vels are 57.2 dBA L eq.
Based on the typical operating conditions observed over a four -day measurement period, the roof-top air conditioning units are estimated to operate for and average 39 minutes per hour during the daytime hours, and 28 minutes per hour during the nighttime hours. These operating conditions reflect peak summer cooling requirements with measured temperatures approaching Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
32 96 degrees Fahrenheit (°F) with average daytime temperatures of 82°F. For this noise analysis, the air conditioning units are expected to be located on the roof of the Project buildings.
7.2.4 TRASH ENCLOSURE ACTIVITY
To describe the noise levels associated with a trash enclosure activity, Urban Crossroads collected a reference noise level measurement at an existing tras h enclosure containing two dumpster bins. The trash enclosure noise levels describe metal gates opening and closing, metal scraping against concrete floor sounds, dumpster movement on metal wheels, and trash dropping into the metal dumpster. The referenc e noise levels describe trash enclosure noise activities when trash is dropped into an empty metal dumpster, as would occur at the Project Site. The measured reference noise level at the uniform 50 -foot reference distance is 57.3 dBA L eq for the trash enclosure activity. The reference noise level describes the expected noise source activities associated with the trash enclosures for the Project’s proposed building. Typical trash enclosure activities are estimated to occur for 10 minutes per hour.
7.2.5 PARKING LOT VEHICLE MOVEMENTS
To describe the on -site parking lot activity, a long -term 29 -hour reference noise level measurement was collected in the center of activity within the staff parking lot of a warehouse distribution center. At 50 feet from the center of activity, the parking lot produced a reference noise level of 56.1 dBA Leq. Parking activities are expected to take place during the full hour (60 minutes) throughout the daytime and evening hours. The parking lot noise levels are mainly due cars pulling in and out of parking spaces in combination with car doors opening and closing.
7.2.6 TRUCK MOVEMENTS
The truck movements reference noise level measurement was collected over a period of 1 hour and 28 minutes and represents multiple heavy trucks entering and exiting the outdoor loading dock area producing a reference noise level of 59.8 dBA Leq at 50 feet. The noise sources included at this measurement location account for trucks entering and existing the Project driveways and maneuvering in and out of the outdoor loading dock activity area.
7.3 CADNAA NOISE PREDICTION MODEL
To fully describe the exterior operational noise levels from the Project, Urban Crossroads, Inc. developed a noise prediction model using the CadnaA (Computer Aided Noise Aba tement) computer program. CadnaA can analyze multiple types of noise sources using the spatially accurate Project site plan, georeferenced Nearmap aerial imagery, topography, buildings, and barriers in its calculations to predict outdoor noise levels.
Using the ISO 9613-2 protocol, CadnaA will calculate the distance from each noise source to the noise receiver locations, using the ground absorption, distance, and barrier/building attenuation inputs to provide a summary of noise level at each receiver and the partial noise level contributions by noise source. Consistent with the ISO 9613 -2 protocol, the CadnaA noise prediction model relies on the reference sound power level (L w) to describe individual noise sources. While sound pressure levels (e.g., L eq) quantify in decibels the intensity of given sound Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
33 sources at a reference distance, sound power levels (L w) are connected to the sound source and are independent of distance. Sound pressure levels vary substantially with distance from the source and dimi nish because of intervening obstacles and barriers, air absorption, wind, and other factors. Sound power is the acoustical energy emitted by the sound source and is an absolute value that is not affected by the environment.
The operational noise level c alculations provided in this noise study account for the distance attenuation provided due to geometric spreading, when sound from a localized stationary source (i.e., a point source) propagates uniformly outward in a spherical pattern. A default ground attenuation factor of 0.5 was used in the CadnaA noise analysis to account for mixed ground representing a combination of hard and soft surfaces. Appendix 7.1 includes the detailed noise model inputs used to estimate the Project operational noise levels presented in this section.
7.4 PROJECT OPERATIONAL NOISE LEVELS
Using the reference noise levels to represent the proposed Project operations that include loading dock activity, roof-top air conditioning units, trash enclosure activity, parking lo t vehicle movements, and truck movements , Urban Crossroads, Inc. calculated the operational source noise levels that are expected to be generated at the Project site and the Project -related noise level increases that would be experienced at each of the s ensitive receiver locations and at 200 feet from the property line of the source . Table 7-2 shows the Project operational noise levels during the daytime hours of 8:00 a.m. to 10:00 p.m. The daytime hourly noise levels at the off - site receiver locations are expected to range from 47.3 to 57.1 dBA Leq.
TABLE 7-2: DAYTIME PROJECT OPERATIONAL NOISE LEVELS
Noise Source1
Operational Noise Levels by Receiver Location (dBA Leq) R1 R2 R3 R4 R5 at 200'
Loading Dock Activity 54.9 55.2 47.1 54.5 53.7 56.9
Roof-Top Air Conditioning Units 37.8 30.7 22.4 29.8 34.6 31.0 Trash Enclosure Activity 25.8 28.6 16.2 21.3 22.0 30.5
Parking Lot Vehicle Movements 47.2 45.1 31.4 44.5 43.3 41.8 Truck Movements 45.1 42.2 31.3 46.8 43.3 39.9
Total (All Noise Sources) 56.0 55.8 47.3 55.6 54.5 57.1 1 See Exhibit 7-A for the noise source locations. CadnaA noise model calculations are included in Appendix 7.1.
Table 7-3 shows the Project operational noise levels during the nighttime hours of 10:01 p.m. to 7:59 a.m. The nighttime hourly noise levels at the off -site receiver locations are expected to range from 47.3 to 57.1 dBA Leq. The differences between the daytime and nighttime noise levels are largely related to the estimated duration of noise activity as outlined in Table 7-1 and Appendix 7.1.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
34 TABLE 7-3: NIGHTTIME PROJECT OPERATIONAL NOISE LEVELS Noise Source1 Operational Noise Levels by Receiver Location (dBA Leq) R1 R2 R3 R4 R5 at 200'
Loading Dock Activity 54.9 55.2 47.1 54.5 53.7 56.9
Roof-Top Air Conditioning Units 35.4 28.3 20.0 27.4 32.2 28.6 Trash Enclosure Activity 24.9 27.7 15.2 20.3 21.1 29.5
Parking Lot Vehicle Movements 46.3 44.2 30.4 43.5 42.3 40.8 Truck Movements 44.1 41.2 30.4 45.8 42.4 39.0
Total (All Noise Sources) 55.8 55.7 47.3 55.4 54.3 57.1 1 See Exhibit 7-A for the noise source locations. CadnaA noise model calculations are included in Appendix 7.1.
7.5 PROJECT OPERATIONAL NOISE LEVEL COMPLIANCE
To demonstrate compliance with local noise regulations, the Project-only operational noise levels are evaluated against exterior noise level thresholds based on the City of Moreno Valley exterior noise level standards at the nearest noise-sensitive recei ver locations. Table 7-4 shows the operational noise levels associated with Moreno Valley Business Park-Phase II Project will satisfy the City of Moreno Valley 65 dBA L eq daytime and 60 dBA L eq nighttime exterior noise level standards at all the nearest receiver locations and at 200 feet from the property line of the source. Therefore, the operational noise impacts are considered less than significant at the nearest noise-sensitive receiver locations.
TABLE 7-4: OPERATIONAL NOISE LEVEL COMPLIANCE
Receiver
Location1
Project Operational
Noise Levels (dBA Leq)2
Noise Level Standards
(dBA Leq)3
Noise Level Standards
Exceeded?4
Daytime Nighttime Daytime Nighttime Daytime Nighttime
R1 56.0 55.8 65 60 No No
R2 55.8 55.7 65 60 No No
R3 47.3 47.3 65 60 No No
R4 55.6 55.4 65 60 No No
R5 54.5 54.3 65 60 No No
at 200' 57.1 57.1 65 60 No No
1 See Exhibit 6-A for the receiver locations.
2 Proposed Project operational noise levels as shown on Tables 7-2 and 7-3. 3 Exterior noise level standards, as shown on Table 4-1. 4 Do the estimated Project operational noise source activities exceed the noise level standards? "Daytime" = 8:00 a.m. - 10:00 p.m.; "Nighttime" = 10:01 p.m. - 7:59 a.m.
7.6 PROJECT OPERATIONAL NOISE LEVEL INCREASES
To describe the Project operational noise level increases, the Project operational noise levels are combined with the existing ambient noise levels measurements for the nearest receiver locations potentially impacted by Project operational noise sources. Since the units used to measure noise, decibels (dB), are logarithmic units, the Project -operational and existing ambient noise levels Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
35 cannot be combined using standard arithmetic equations. (2) Instead, they must be logarithmically added using the following base equation:
SPLTotal = 10log10[10SPL1/10 + 10SPL2/10 + … 10SPLn/10] Where “SPL1,” “SPL2,” etc. are equal to the sound pressure levels being combined, or in this case, the Project-operational and existing ambient noise levels. The difference between the combined Project and ambient noise levels describes the Project noise level increases to the existing ambient noise environment. As indicated on Tables 7-5 and 7-6, the Project will generate a noise level increase ranging from 0.1 to 2.5 dBA L eq operational noise level increase at the nearest receiver locations and at 200 feet from the property line of the source . Project -related operational noise level increases will satisfy the operational noise level increase significance criteria presented in Table 4 -1. Therefore, the incremental Project operational noise level increase is considered less than significant at all receiver locations.
7.7 OFF-SITE TRAFFIC NOISE ANALYSIS
Traffic generated by the operation of the proposed Project will influence the traffic noise levels in surrounding off-site areas and at the Project site. The off-site Project-related traffic represents an incremental increase to the existing roadway volumes, which is not expected to generate a barely perceptible noise level increase of 3 dBA CNEL at nearby sensitive land uses adjacent t o study area roadways, since a doubling of the existing traffic volumes would be required to generate a 3 dBA CNEL increase. (4) Therefore, the off-site traffic noise levels generated by the Project are considered less than significant and no further analysis is required.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
36 TABLE 7-5: DAYTIME PROJECT OPERATIONAL NOISE LEVEL INCREASES Receiver
Location1
Total Project
Operational
Noise Level2
Measurement
Location3
Reference
Ambient
Noise
Levels4
Combined
Project
and
Ambient5
Project
Increase6
Increase
Criteria7
Increase
Criteria
Exceeded?
R1 56.0 L1 65.4 65.9 0.5 1.5 No
R2 55.8 L2 71.5 71.6 0.1 1.5 No
R3 47.3 L3 51.8 53.1 1.3 5.0 No
R4 55.6 L4 67.1 67.4 0.3 1.5 No
R5 54.5 L5 70.1 70.2 0.1 1.5 No
R6 57.1 L5 70.1 70.3 0.2 1.5 No
1 See Exhibit 6-A for the receiver locations.
2 Total Project daytime operational noise levels as shown on Table 7-2. 3 Reference noise level measurement locations as shown on Exhibit 5-A. 4 Observed daytime ambient noise levels as shown on Table 5-1. 5 Represents the combined ambient conditions plus the Project activities. 6 The noise level increase expected with the addition of the proposed Project activities. 7 Significance increase criteria as shown on Table 4-1.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
37 TABLE 7-6: NIGHTTIME OPERATIONAL NOISE LEVEL INCREASES Receiver
Location1
Total Project
Operational
Noise Level2
Measurement
Location3
Reference
Ambient
Noise
Levels4
Combined
Project
and
Ambient5
Project
Increase6
Increase
Criteria7
Increase
Criteria
Exceeded?
R1 55.8 L1 60.9 62.1 1.2 5.0 No
R2 55.7 L2 68.5 68.7 0.2 1.5 No
R3 47.3 L3 48.3 50.8 2.5 5.0 No
R4 55.4 L4 65.5 65.9 0.4 1.5 No
R5 54.3 L5 67.8 68.0 0.2 1.5 No
R6 57.1 L5 67.8 68.2 0.4 1.5 No
1 See Exhibit 6-A for the receiver locations.
2 Total Project nighttime operational noise levels as shown on Table 7-3. 3 Reference noise level measurement locations as shown on Exhibit 5-A. 4 Observed nighttime ambient noise levels as shown on Table 5-1. 5 Represents the combined ambient conditions plus the Project activities. 6 The noise level increase expected with the addition of the proposed Project activities. 7 Significance increase criteria as shown on Table 4-1.
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39 8 CONSTRUCTION IMPACTS
This section analyzes potential impacts resulting from the short -term construction activities associated with the development of the Project. Exhibit 8-A shows the construction noise source activity (building area) in relation to the nearest sensitive receiver locations previously described in Section 6.
To prevent high levels of construction noise from impacting noise -sensitive land uses, City of Moreno Valley Municipal Code Section 11.80.030 (D)(7) limits general construction activities within 200 feet of residential uses to weekdays, between 7:00 a.m. and 8:00 p.m. In addition, grading operations shall be limited to the hours identified in Section 8.21.050 (O) of 7:00 a.m. to 6:00 p.m., Monday through Friday, and 8:00 a.m. to 4:00 p.m. on weekends and holidays or as approved by the City Engineer.
8.1 CONSTRUCTION NOISE LEVELS
The FTA Transit Noise and Vibration Impact Assessment Manual recognizes that construction projects are accomplished in several different stages and outlines the procedures for assessing noise impacts during construction . Each sta ge has a specific equipment mix, depending on the work to be completed during that stage. As a result of the equipment mix, each stage has its own noise characteristics; some stages have higher continuous noise levels than others, and some have higher impact noise levels than others. The Project construction activities are expected to occur in the following stages:
• Site Preparation
• Grading
• Building Construction
• Paving
• Architectural Coating
8.2 CONSTRUCTION REFERENCE NOISE LEVELS
To describe construction noise activities, this construction noise analysis was prepared using reference construction equipment noise levels from the Federal Highway Administration (FHWA) published the Roadway Construction Noise Model (RCNM), which includes a national database of construction equipment reference noise emission levels. (18) The RCNM equipment database, provides a comprehensive list of the noise generating characteristics for specific types of construction equipment. In add ition, the database provides an acoustical usage factor to estimate the fraction of time each piece of construction equipment is operating at full power (i.e., its loudest condition) during a construction operation.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
40 EXHIBIT 8-A: TYPICAL CONSTRUCTION NOISE SOURCE LOCATIONS
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
41 8.3 CONSTRUCTION NOISE ANALYSIS
Using the reference construction equipment noise levels and the CadnaA noise prediction model, calculations of the Project construction noise level impacts at the nearby sensitive recei ver locations were completed. Consistent with FTA guidance for general construction noise assessment, Table 8-1 presents the combined noise levels for the loudest construction equipment, assuming they operate at the same time. As shown on Table 8-2, the construction noise levels are expected to range from 43.4 to 62.1 dBA Leq at the nearby receiver locations and
59.1 dBA Leq at 200 feet from the property line of the source. Appendix 8.1 includes the detailed CadnaA construction noise model inputs.
TABLE 8-1: TYPICAL CONSTRUCTION REFERENCE NOISE LEVELS Construction
Stage
Reference
Construction Activity
Reference Noise
Level @ 50 Feet
(dBA Leq)1
Combined
Noise Level
(dBA Leq)2
Combined Sound
Power Level
(PWL)3
Site
Preparation
Crawler Tractors 78
80 112 Hauling Trucks 72
Rubber Tired Dozers 75
Grading
Graders 81
83 115 Excavators 77
Compactors 76
Building
Construction
Cranes 73
81 113 Tractors 80
Welders 70
Paving
Pavers 74
83 115 Paving Equipment 82
Rollers 73
Architectural
Coating
Cranes 73
77 109 Air Compressors 74
Generator Sets 70
1 FHWA Roadway Construction Noise Model (RCNM).
2 Represents the combined noise level for all equipment assuming they operate at the same time consistent with FTA Transit Noise and Vibration Impact Assessment guidance.
3 Sound power level represents the total amount of acoustical energy (noise level) produced by a sound source independent of distance or surroundings. Sound power levels calibrated using the CadnaA noise model at the reference distance to the noise source.
Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
42 TABLE 8-2: CONSTRUCTION EQUIPMENT NOISE LEVEL SUMMARY Receiver
Location1
Construction Noise Levels (dBA Leq)
Site
Preparation Grading Building
Construction Paving Architectural
Coating
Highest
Levels2
R1 59.1 62.1 60.1 62.1 56.1 62.1
R2 57.2 60.2 58.2 60.2 54.2 60.2
R3 46.4 49.4 47.4 49.4 43.4 49.4
R4 58.2 61.2 59.2 61.2 55.2 61.2
R5 57.2 60.2 58.2 60.2 54.2 60.2
at 200' 56.1 59.1 57.1 59.1 53.1 59.1
1 Noise receiver locations are shown on Exhibit 8-A.
2 Construction noise level calculations based on distance from the construction activity, which is measured from the Project site boundary to the nearest receiver locations. CadnaA construction noise model inputs are included in Appendix 8.1.
8.4 CONSTRUCTION NOISE LEVEL COMPLIANCE
The construction noise analysis shows that the construction noise levels of 59.1 dBA L eq will satisfy the City of Moreno Valley daytime 65 dBA L eq significance threshold at 200 feet during Project construction activities. Therefore, the unmitigated noise impact due to Project construction activities is considered less than significant.
8.5 TYPICAL CONSTRUCTION VIBRATION IMPACTS
Construction activity can result in varying degrees of ground vibration, depending on the equipment and methods employed. Operation of construction equipment causes ground vibrations that spread through the ground and diminish in strength with distance. Ground vibration levels associated with various types of construction equipment ar e summarized on Table 8-3. Based on the representative vibration levels presented for various construction equipment types, it is possible to estimate the potential for human response (annoyance) and building damage using the following vibration assessmen t methods defined by the FTA. To describe the vibration impacts the FTA provides the following equation: PPV equip = PPV ref x (25/D)1.5
TABLE 8-3: VIBRATION SOURCE LEVELS FOR CONSTRUCTION EQUIPMENT Equipment PPV (in/sec)
at 25 feet
Small bulldozer 0.003
Jackhammer 0.035
Loaded Trucks 0.076
Large bulldozer 0.089
Federal Transit Administration, Transit Noise and Vibration Impact Assessment Manual Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
43 Table 8-4 presents the expected Project related vibration levels at the nearby receiver locations.
At distances ranging from 103 to 1,262 feet from Project construction activities, construction vibration velocity levels are estimated to range from 0.000 to 0.0 11 in/sec PPV. Based on maximum acceptable continuous vibration threshold of 0.3 PPV (in/sec), the typical Project construction vibration levels will fall below the building damage thresholds at all the noise sensitive receiver locations and at 200 feet from the property line of the source. Therefore, the Project-related vibration impacts are considered less than significant during typical construction activities at the Project site. Moreover, the vibration levels reported at the sensitive receiver locations are unlikely to be sustained during the entire construction period but will occur rather only during the times that heavy construction equipment is operating adjacent to the Project site perimeter.
TABLE 8-4: CONSTRUCTION VIBRATION LEVELS
Receiver1
Distance
to
Const.
Activity
(Feet)2
Typical Construction Vibration Levels
PPV (in/sec)3 Thresholds
PPV
(in/sec)4
Thresholds
Exceeded?5 Small
bulldozer Jackhammer Loaded
Trucks
Large
bulldozer
Highest
Vibration
Level
R1 111' 0.000 0.004 0.008 0.010 0.010 0.3 No
R2 123' 0.000 0.003 0.007 0.008 0.008 0.3 No
R3 1,262' 0.000 0.000 0.000 0.000 0.000 0.3 No
R4 103' 0.000 0.004 0.009 0.011 0.011 0.3 No
R5 184' 0.000 0.002 0.004 0.004 0.004 0.3 No
at 200' 200' 0.000 0.002 0.003 0.004 0.004 0.3 No
1 Receiver locations are shown on Exhibit 8-A.
2 Distance from receiver location to Project construction boundary (Project site boundary). 3 Based on the Vibration Source Levels of Construction Equipment (Table 8-4). 4 Caltrans Transportation and Construction Vibration Guidance Manual, April 2020, Table 19, p. 38. 5 Does the peak vibration exceed the acceptable vibration thresholds? "PPV" = Peak Particle Velocity
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45 9 REFERENCES
1. State of California. California Environmental Quality Act, Appendix G. 2018.
2. California Department of Transportation Environmental Program. Technical Noise Supplement - A Technical Supplement to the Traffic Noise Analysis Protocol. Sacramento, CA : s.n., September 2013.
3. Environmental Protection Agency Office of Noise Abatement and Control. Information on Levels of Environmental Noise Requisite to Protect Public Health an d Welfare with an Adequate Margin of Safety. March 1974. EPA/ONAC 550/9/74-004.
4. U.S. Department of Transportation, Federal Highway Administration, Office of Environment and Planning, Noise and Air Quality Branch. Highway Traffic Noise Analysis and Abate ment Policy and Guidance. December 2011.
5. U.S. Department of Transportation Federal Highway Administration. Highway Noise Barrier Design Handbook. 2001.
6. U.S. Department of Transportation, Federal Highway Administration. Highway Traffic Noise in the United States, Problem and Response. April 2000. p. 3.
7. U.S. Environmental Protection Agency Office of Noise Abatement and Control. Noise Effects Handbook-A Desk Reference to Health and Welfare Effects of Noise. October 1979 (revised July 1981).
EPA 550/9/82/106.
8. U.S. Department of Transportation, Federal Transit Administration. Transit Noise and Vibration Impact Assessment Manual. September 2018.
9. Office of Planning and Research. State of California General Plan Guidelines. October 2017.
10. State of California. 2016 California Green Building Standards Code. January 2017.
11. City of Moreno Valley. General Plan Safety Element. July 2006.
12. —. Municipal Code, Chapter 11.80 Noise Regulation.
13. California Department of Transportation. Transportation and Construction Vibration Guidance Manual. April 2020.
14. California Court of Appeal. Gray v. County of Madera, F053661. 167 Cal.App.4th 1099; - Cal.Rptr.3d, October 2008.
15. Federal Interagency Committee on Noise. Federal Agency Review of Selected Airp ort Noise Analysis Issues. August 1992.
16. California Department of Transportation. Technical Noise Supplement. November 2009.
17. American National Standards Institute (ANSI). Specification for Sound Level Meters ANSI S1.4 - 2014/IEC 61672-1:2013.
18. U.S. Department of Transportation, Federal Highway Administration, Office of Environment and Planning. FHWA Roadway Construction Noise Model. January, 2006.
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47 10 CERTIFICATION
The contents of this noise study report represent an accurate depiction of the noise environment and impacts associated with the proposed Moreno Valley Business Park -Phase II Project. The information contained in this noise study report is based on the best available data at the time of preparation. If you have any questions, please contact me directly at (949) 584-3148.
Bill Lawson, P.E., INCE
Principal
URBAN CROSSROADS, INC.
1133 Camelback #8329
Newport Beach, CA 92658
(949) 581-3148
[email protected]
EDUCATION
Master of Science in Civil and Environmental Engineering California Polytechnic State University, San Luis Obispo • December, 1993 Bachelor of Science in City and Regional Planning
California Polytechnic State University, San Luis Obispo • June, 1992
PROFESSIONAL REGISTRATIONS
PE – Registered Professional Traffic Engineer – TR 2537 • January, 2009 AICP – American Institute of Certified Planners – 013011 • June, 1997–January 1, 2012 PTP – Professional Transportation Planner • May, 2007 – May, 2013 INCE – Institute of Noise Control Engineering • March, 2004
PROFESSIONAL AFFILIATIONS
ASA – Acoustical Society of America
ITE – Institute of Transportation Engineers
PROFESSIONAL CERTIFICATIONS
Certified Acoustical Consultant – County of Orange • February, 2011 FHWA-NHI-142051 Highway Traffic Noise Certificate of Training • February, 2013
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APPENDIX 3.1:
CITY OF MORENO VALLEY MUNICIPAL CODE
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Moreno Valley Municipal Code
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Title 11 PEACE, MORALS AND SAFETY
Chapter 11.80 NOISE REGULATION
11.80.010 Legislative findings.
It is found and declared that:
A. Excessive sound within the limits of the city is a condition which has existed for some time, and the amount and intensity of such sound is increasing.
B. Such excessive sound is a detriment to the public health, safety, and welfare and quality of life of the residents of the city.
C. The necessity in the public interest for the provisions and prohibitions hereinafter contained and enacted is declared as a matter of legislative determination and public policy, and it is further declared that the provisions and prohibitions hereinafter contained and enacted are in pursuance of and for the purpose of securing and promoting the public health, safety, welfare and quality of life of the city and its inhabitants. (Ord. 740 § 1.2, 2007)
11.80.020 Definitions.
For purposes of this chapter, certain words and phrases used herein are defined as follows:
“A-weighted sound level” means the sound pressure level in decibels as measured with a sound level meter using the A-weighting network. The unit of measurement is the dB(A). “Commercial” means all uses of land not otherwise classified as residential, as defined in this section. “Construction” means any site preparation, and/or any assembly, erection, repair, or alteration, excluding demolition, of any structure, or improvements to real property.
“Continuous airborne sound” means sound that is measured by the slow-response setting of a meter manufactured to the specifications of ANSI Section 1.4-1983 (R2006) “Specification for Sound Level Meters,” or its successor. “Daytime” means eight a.m. to ten p.m. the same day.
“Decibel” (dB) means a unit for measuring the amplitude of sound, equal to twenty (20) times the logarithm to the base ten (10) of the ratio of the pressure of the sound measured to the reference pressure, which is twenty (20) microPascals (twenty (20) microNewtons per square meter.)
“Demolition” means any dismantling, intentional destruction or removal of structures or other improvements to real property.
“Disturb” means to interrupt, interfere with, or hinder the enjoyment of peace or quiet or the normal listening activities or the sleep, rest or mental concentration of the hearer. “Emergency” means any occurrence or set of circumstances involving actual or imminent physical trauma or significant property damage which necessitates immediate action. Economic loss alone shall not constitute an emergency.
It shall be the burden of an alleged violator to prove an “emergency.” “Emergency work” means any work made necessary to restore property to a safe condition following an emergency, or to protect persons or property threatened by an imminent emergency, to the extent such work is, in fact, necessary to protect persons or property from exposure to imminent danger or damage. “Frequency” means the number of complete oscillation cycles per unit of time. “Impulsive sound” means sound of short duration, usually less than one second, with an abrupt onset and rapid decay.
Examples of sources of impulsive sound include explosions, drop forge impacts, and discharge of firearms. “Nighttime” means 10:01 p.m. to 7:59 a.m. the following day. “Noise disturbance” means any sound which:
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2. Exceeds the sound level limits set forth in this chapter; or
3. Is plainly audible as defined in this section. Where no specific distance is set forth for the determination of audibility, references to noise disturbance shall be deemed to mean plainly audible at a distance of two hundred (200) feet from the real property line of the source of the sound, if the sound occurs on privately owned property, or from the source of the sound, if the sound occurs on public right-of-way, public space or other publicly owned property. “Person” means any person, person’s firm, association, copartnership, joint venture, corporation, or any entity public or private in nature.
“Plainly audible” means that the sound or noise produced or reproduced by any particular source, can be clearly distinguished from ambient noise by a person using his/her normal hearing faculties. “Public right-of-way” means any street, avenue, boulevard, sidewalk, bike path or alley, or similar place normally accessible to the public which is owned or controlled by a governmental entity. “Public space” means any park, recreational or community facility, or lot which contains at least one building that is open to the general public during its hours of operation. “Residential” means all uses of land primarily for dwelling units, as well as hospitals, schools, colleges and universities, and places of religious assembly.
“Sound” means an oscillation in pressure, particle displacement, particle velocity or other physical parameter, in a medium with internal forces that causes compression and rarefaction of that medium capable of producing an auditory impression. The description of sound may include any characteristic of such sound, including duration, intensity and frequency.
“Sound level” means the weighted sound pressure level as measured in dB(A) by a sound level meter and as specified in American National Standards Institute (ANSI) specifications for sound-level meters (ANSI Section 1.4-1971 (R1976)).
If the frequency weighting employed is not indicated, the A-weighting shall apply. “Sound level meter” means an instrument, demonstrably capable of accurately measuring sound levels as defined above.
All technical definitions not defined above shall be in accordance with applicable publications and standards of the American National Standards Institute (ANSI). (Ord. 740 § 1.2, 2007)
11.80.030 Prohibited acts.
A. General Prohibition. It is unlawful and a violation of this chapter to maintain, make, cause, or allow the making of any sound that causes a noise disturbance, as defined in Section
11.80.020.
B. Sound causing permanent hearing loss.
1. Sound level limits. Based on statistics from the Center for Disease Control and Prevention and the National Institute for Occupational Safety and Health, Table 1 and Table 1-A specify sound level limits which, if exceeded, will have a high probability of producing permanent hearing loss in anyone in the area where the sound levels are being exceeded. No sound shall be permitted within the city which exceeds the parameters set forth in Tables 11.80.030-1 and
11.80.030-1-A of this chapter:
Table 11.80.030-1
MAXIMUM CONTINUOUS SOUND LEVELS*
Duration per Day
Continuous Hours Sound level [db(A)]
8 90
6 92
4 95
3 97
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2 100
1.5 102
1 105
0.5 110
0.25 115
* When the daily sound exposure is composed of two or more periods of sound exposure at different levels, the combined effect of all such periods shall constitute a violation of this section if the sum of the percent of allowed period of sound exposure at each level exceeds 100 percent
Table 11.80.030-1A
MAXIMUM IMPULSIVE SOUND
LEVELS
Number of Repetitions per
24-Hour Period
Sound level
[dB(A)]
1 145
10 135
100 125
2. Exemptions. No violation shall exist if the only persons exposed to sound levels in excess of those listed in Tables
11.80.030-1 and 11.80.030-1A are exposed as a result of:
a. Trespass;
b. Invitation upon private property by the person causing or permitting the sound; or c. Employment by the person or a contractor of the person causing or permitting the sound.
C. Nonimpulsive Sound Decibel Limits. No person shall maintain, create, operate or cause to be operated on private property any source of sound in such a manner as to create any nonimplusive sound which exceeds the limits set forth for the source land use category (as defined in Section
11.80.020) in Table 11.80.030-2 when measured at a distance of two hundred (200) feet or more from the real property line of the source of the sound, if the sound occurs on privately owned property, or from the source of the sound, if the sound occurs on public right-of-way, public space or other publicly owned property. Any source of sound in violation of this subsection shall be deemed prima facie to be a noise disturbance.
Table 11.80.030-2
MAXIMUM SOUND LEVELS (IN dB(A)) FOR SOURCE LAND USES
Residential Commercial
Daytime Nighttime Daytime Nighttime
60 55 65 60
D. Specific Prohibitions. In addition to the general prohibitions set out in subsection A of this section, and unless otherwise exempted by this chapter, the following specific acts, or the causing or permitting thereof, are regulated as follows:
1. Motor Vehicles. No person shall operate or cause to be operated a public or private motor vehicle, or combination of vehicles towed by a motor vehicle, that creates a sound exceeding the sound level limits in Table 11.80.030-2 when the vehicle(s) are not otherwise subject to noise regulations provided for by the California Vehicle Code.
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2. Radios, Televisions, Electronic Audio Equipment, Musical Instruments or Similar Devices from a Stationary Source. No person shall operate, play or permit the operation or playing of any radio, tape player, television, electronic audio equipment, musical instrument, sound amplifier or other mechanical or electronic sound making device that produces, reproduces or amplifies sound in such a manner as to create a noise disturbance. However, this subsection shall not apply to any use or activity exempted in subsection E of this section and any use or activity for which a special permit has been issued pursuant to Section
11.80.040.
3. Radios, Electronic Audio Equipment, or Similar Devices from a Mobile Source Such as a Motor Vehicle. Sound amplification or reproduction equipment on or in a motor vehicle is subject to regulation in accordance with the California
Vehicle Code when upon the public right-of-way. When upon public space or publicly owned property other than the public right-of-way or upon private property open to the public, sound amplification or reproduction equipment shall not be operated in such a manner that it is plainly audible at a distance of fifty (50) feet in any direction from the vehicle.
4. Portable, Hand-Held Music or Sound Amplification or Reproduction Equipment. Such equipment shall not be operated on a public right-of-way, public space or other publicly owned property in such a manner as to be plainly audible at a distance of fifty (50) feet in any direction from the operator.
5. Loudspeakers and Public Address Systems.
a. Except as permitted by Section
11.80.040, no person shall operate, or permit the operation of, any loudspeaker, public address system or similar device, for any commercial purpose:
1. Which produces, reproduces or amplifies sound in such a manner as to create a noise disturbance; or
2. During nighttime hours on a public right-of-way, public space or other publicly owned property. b. No person shall operate, or permit the operation of, any loudspeaker, public address system or similar device, for any noncommercial purpose, during nighttime hours in such a manner as to create a noise disturbance.
6. Animals. No person shall own, possess or harbor an animal or bird that howls, barks, meows, squawks, or makes other sounds that:
a. Create a noise disturbance;
b. Are of frequent or continued duration for ten (10) or more consecutive minutes and are plainly audible at a distance of fifty (50) feet from the real property line of the source of the sound; or c. Are intermittent for a period of thirty (30) or more minutes and are plainly audible at a distance of fifty (50) feet from the real property line of the source of the sound.
7. Construction and Demolition. No person shall operate or cause the operation of any tools or equipment used in construction, drilling, repair, alteration or demolition work between the hours of eight p.m. and seven a.m. the following day such that the sound there from creates a noise disturbance, except for emergency work by public service utilities or for other work approved by the city manager or designee. This section shall not apply to the use of power tools as provided in subsection (D)(9) of this section.
8. Emergency Signaling Devices. No person shall intentionally sound or permit the sounding outdoors of any fire, burglar or civil defense alarm, siren or whistle, or similar stationary emergency signaling device, except for emergency purposes or for testing as follows:
a. Testing of a stationary emergency signaling device shall not occur between seven p.m. and seven a.m. the following day;
b. Testing of a stationary emergency signaling device shall use only the minimum cycle test time, in no case to exceed sixty (60) seconds;
c. Testing of a complete emergency signaling system, including the functioning of the signaling device and the personnel response to the signaling device, shall not occur more than once in each calendar month. Such testing shall only occur only on weekdays between seven a.m. and seven p.m. and shall be exempt from the time limit specified in subsection (D)(8)(2) of this section.
9. Power Tools. No person shall operate or permit the operation of any mechanically, electrically or gasoline motor- driven tool during nighttime hours so as to cause a noise disturbance across a residential real property boundary.
10. Pumps, Air Conditioners, Air-Handling Equipment and Other Continuously Operating Equipment. Notwithstanding the general prohibitions of subsection a of this section, no person shall operate or permit the operation of any pump, air 54 4/23/2021 Chapter 11.80 NOISE REGULATION
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conditioning, air-handling or other continuously operating motorized equipment in a state of disrepair or in a manner which otherwise creates a noise disturbance distinguishable from normal operating sounds.
E. Exemptions. The following uses and activities shall be exempt from the sound level regulations except the maximum sound levels provided in Tables 11.80.030-1 and 11.80.030-1A:
1. Sounds resulting from any authorized emergency vehicle when responding to an emergency call or acting in time of an emergency.
2. Sounds resulting from emergency work as defined in Section 11.80.020
3. Any aircraft operated in conformity with, or pursuant to, federal law, federal air regulations and air traffic control instruction used pursuant to and within the duly adopted federal air regulations; and any aircraft operating under technical difficulties in any kind of distress, under emergency orders of air traffic control, or being operated pursuant to and subsequent to the declaration of an emergency under federal air regulations.
4. All sounds coming from the normal operations of interstate motor and rail carriers, to the extent that local regulation of sound levels of such vehicles has been preempted by the Noise Control Act of 1972 (42 U.S.C. § 4901 et seq.) or other applicable federal laws or regulations
5. Sounds from the operation of motor vehicles, to the extent they are regulated by the California Vehicle Code.
6. Any constitutionally protected noncommercial speech or expression conducted within or upon a any public right- of-way, public space or other publicly owned property constituting an open or a designated public forum in compliance with any applicable reasonable time, place and manner restrictions on such speech or expression or otherwise pursuant to legal authority.
7. Sounds produced at otherwise lawful and permitted city-sponsored events, organized sporting events, school assemblies, school playground activities, by permitted fireworks, and by permitted parades on public right-of-way, public space or other publicly owned property.
8. An event for which a temporary use permit or special event permit has been issued under other provisions of this code, where the provisions of Section
11.80.040 are met, the permit granted expressly grants an exemption from specific standards contained in this chapter, and the permittee and all persons under the permittee’s reasonable control actually comply with all conditions of such permit. Violation of any condition of such a permit related to sound or sound equipment shall be a violation of this chapter and punishable as such.
F. Nothing in this chapter shall be construed to limit, modify or repeal any other regulation elsewhere in this code relating to the regulation of noise sources, nor shall any such other regulation be read to permit the emission of noise in violation of any provision of this chapter. (Ord. 740 § 1.2, 2007)
11.80.040 Special provisions for temporary use and special event permits.
The exemption by permit set forth in Section
11.80.030(E)(8) shall be subject to the following requirements and conditions:
A. The permit application shall include the name, address and telephone number of the permit applicant; the date, hours and location for which the permit is requested; and the nature of the event or activity. It shall also specify the types of sounds and/or sound equipment to be permitted, the proposed duration of such sound, the specific standards from which the sound is to be exempted, and the reasons for each requested exemption.
B. The permit shall be issued provided the proposed activity meets the requirements of this section and the issuing official determines that the sound to be emitted at the event as proposed would not be detrimental to the public health, safety or welfare, that the event cannot reasonably achieve its legitimate aims and purposes without the exemption and that the sound levels proposed will not unreasonably damage the peace and quiet enjoyment of the lawful users of surrounding properties, nor constitute a public nuisance.
C. The official issuing the permit may prescribe any reasonable conditions or requirements he/she deems necessary to minimize noise disturbances upon the community or the surrounding neighborhood, and/or to protect the health, safety or welfare of the public, including participants in the permitted event, including use of mufflers, screens or other sound- attenuating devices.
D. Any permit granted must be in writing and shall contain all conditions upon which the permit shall be effective. 55 4/23/2021 Chapter 11.80 NOISE REGULATION
qcode.us/codes/morenovalley/ 6/7
E. No more than six events requiring a sound limit exemption may be held at any particular location upon privately owned or controlled property per calendar year, provided further that the number of events shall not exceed the number permitted under the regulations for the type of permit issued. For purposes of this subsection, “location” means a legal parcel of real property or a complete shopping or commercial center or mall sharing common parking and access even if comprised of multiple legal parcels.
F. The exemption from sound limits under such permit shall not exceed maximum period of four hours in one twenty- four (24) hour day.
G. The permit will only be granted for hours between nine a.m. and ten p.m. on all days other than Friday and Saturday; and, on Friday and Saturday, between the hours of nine a.m. and one a.m. of the following day, except in the following circumstances:
1. A permit may be granted for hours between nine a.m. on New Year’s Eve and one a.m. the following day (New Year’s Day).
2. A permit may be granted for hours between nine a.m. and two a.m. the following day if there are no residences, hospitals, or nursing homes within a 0.5 mile radius of the property where the function is taking place.
H. Functions for which the permits are issued shall be limited to a continuous airborne sound level not to exceed seventy (70) dB(A), as measured two hundred (200) feet from the real property boundary of the source property if on private property, or from the source if on public right-of-way, public space or other publicly owned property. (Ord. 740 §
1.2, 2007)
11.80.050 Measurement or assessment of sound.
A. Measurement With Sound Meter.
1. The measurement of sound shall be made with a sound level meter meeting the standards prescribed by ANSI Section 1.4-1983 (R2006). The instruments shall be maintained in calibration and good working order. A calibration check shall be made of the system at the time of any sound level measurement. Measurements recorded shall be taken so as to provide a proper representation of the source of the sound. The microphone during measurement shall be positioned so as not to create any unnatural enhancement or diminution of the measured sound. A windscreen for the microphone shall be used at all times. However, a violation of this chapter may occur without the occasion of the measurements being made as otherwise provided.
2. The slow meter response of the sound level meter shall be used in order to best determine the average amplitude.
3. The measurement shall be made at any point on the property into which the sound is being transmitted and shall be made at least three feet away from any ground, wall, floor, ceiling, roof and other plane surface.
4. In case of multiple occupancy of a property, the measurement may be made at any point inside the premises to which any complainant has right of legal private occupancy; provided that the measurement shall not be made within three feet of any ground, wall, floor, ceiling, roof or other plane surface.
5. All measurements of sound provided for in this chapter will be made by qualified officials of the city who are designated by the city manager or designee to operate the apparatus used to make the measurements.
B. Assessment Without Sound Level Meter. Any police officer, code enforcement officer, or other official designated by the city manager or designee who hears a noise or sound that is plainly audible, as defined in Section
11.80.020, in
violation of this chapter, may enforce this chapter and shall assess the noise or sound according to the following standards:
1. The primary means of detection shall be by means of the official’s normal hearing faculties, not artificially enhanced.
2. The official shall first attempt to have a direct line of sight and hearing to the vehicle or real property from which the sound or noise emanates so that the official can readily identify the offending source of the sound or noise and the distance involved. If the official is unable to have a direct line of sight and hearing to the vehicle or real property from which the sound or noise emanates, then the official shall confirm the source of the sound or noise by approaching the suspected vehicle or real property until the official is able to obtain a direct line of sight and hearing, and confirm the source of the sound or noise that was heard at the place of the original assessment of the sound or noise. 56 4/23/2021 Chapter 11.80 NOISE REGULATION
qcode.us/codes/morenovalley/ 7/7
3. The official need not be required to identify song titles, artists, or lyrics in order to establish a violation. (Ord. 740 §
1.2, 2007)
11.80.060 Violation.
A. Violation of Sound Level Limits. Any person violating any of the provisions of this chapter shall be deemed guilty of a misdemeanor, and upon conviction thereof shall be punishable by a fine not to exceed one thousand dollars ($1,000.00) and/or six months in the county jail, or both. Notwithstanding the foregoing, any violation of the provisions of this chapter may, in the discretion of the citing officer or the city attorney, be cited and/or prosecuted as an infraction or be subject to civil citation pursuant to Chapter
1.10. B. Joint and Several Responsibility. In addition to the person causing the offending sound, the owner, tenant or lessee of property, or a manager, overseer or agent, or any other person lawfully entitled to possess the property from which the offending sound is emitted at the time the offending sound is emitted, shall be responsible for compliance with this chapter if the additionally responsible party knows or should have known of the offending noise disturbance. It shall not be a lawful defense to assert that some other person caused the sound. The lawful possessor or operator of the premises shall be responsible for operating or maintaining the premises in compliance with this chapter and may be cited regardless of whether or not the person actually causing the sound is also cited.
C. Violation May be Declared a Public Nuisance. The operation or maintenance of any device, equipment, instrument, vehicle or machinery in violation of any provisions of this chapter which endangers the public health, safety and quality of life of residents in the area is declared to be a public nuisance, and may be subject to abatement summarily or by a restraining order or injunction issued
by a court of competent jurisdiction. (Ord. 824 § 1.2, 2011; Ord. 740 § 1.2, 2007)
View the
mobile version.
57 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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58 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
APPENDIX 5.1:
STUDY AREA PHOTOS
59 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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60 JN: 14397 Study Area Photos
L1_E
33, 56' 48.620000"117, 14' 34.840000"
L1_N
33, 56' 48.740000"117, 14' 34.950000"
L1_S
33, 56' 48.660000"117, 14' 34.900000"
L1_W
33, 56' 48.620000"117, 14' 34.840000"
L2_E
33, 56' 48.320000"117, 14' 30.610000"
L2_N
33, 56' 48.330000"117, 14' 30.640000"
61 JN: 14397 Study Area Photos
L2_S
33, 56' 48.330000"117, 14' 30.610000"
L2_W
33, 56' 48.300000"117, 14' 30.610000"
L3_E
33, 56' 44.530000"117, 14' 13.390000"
L3_N
33, 56' 44.570000"117, 14' 13.470000"
L3_S
33, 56' 44.550000"117, 14' 13.420000"
L3_W
33, 56' 44.540000"117, 14' 13.390000"
62 JN: 14397 Study Area Photos
L4_E
33, 56' 42.530000"117, 14' 38.250000"
L4_N
33, 56' 42.640000"117, 14' 38.220000"
L4_S
33, 56' 42.580000"117, 14' 38.220000"
L4_W
33, 56' 42.550000"117, 14' 38.190000"
L5_E
33, 56' 45.010000"117, 14' 38.740000"
L5_N
33, 56' 44.950000"117, 14' 38.800000"
63 JN: 14397 Study Area Photos
L5_S
33, 56' 44.990000"117, 14' 38.800000"
L5_W
33, 56' 45.050000"117, 14' 38.740000"
64 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
APPENDIX 5.2:
NOISE LEVEL MEASUREMENT WORKSHEETS
65 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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66 Date: Location: Meter: Piccolo II JN: 14397
Project: Moreno Valley Business Park Source: Analyst: A. Khan Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% L eq Adj. Adj. L eq 0 56.3 66.4 47.6 65.9 65.1 63.3 61.2 55.8 52.1 48.6 48.1 47.7 56.3 10.0 66.3 1 55.9 65.8 46.6 65.4 64.8 62.5 60.8 55.8 50.6 47.5 47.1 46.7 55.9 10.0 65.9 2 56.4 66.7 47.0 66.3 65.9 64.5 62.4 53.9 49.9 47.7 47.4 47.1 56.4 10.0 66.4 3 56.5 66.7 48.1 66.1 65.2 62.4 60.9 56.2 52.8 49.0 48.6 48.2 56.5 10.0 66.5 4 59.0 68.2 51.7 67.8 67.0 64.9 63.5 58.9 55.9 52.7 52.3 51.9 59.0 10.0 69.0 5 63.0 71.3 54.1 70.8 70.3 68.9 68.0 63.7 59.5 55.1 54.7 54.3 63.0 10.0 73.0 6 62.6 71.0 54.3 70.6 70.0 68.2 67.0 63.0 59.9 55.8 55.1 54.5 62.6 10.0 72.6 7 65.2 74.1 56.5 73.6 72.8 70.6 69.5 65.8 62.4 58.0 57.3 56.7 65.2 0.0 65.2 8 65.0 74.3 56.0 73.8 73.3 71.7 70.2 64.6 61.8 57.6 56.8 56.2 65.0 0.0 65.0 9 62.8 70.8 54.7 70.4 69.9 68.3 67.2 63.3 60.3 56.1 55.5 54.8 62.8 0.0 62.8 10 63.0 71.6 54.1 71.1 70.5 68.7 67.4 63.5 60.3 55.6 54.9 54.2 63.0 0.0 63.0 11 65.3 75.3 55.2 74.7 74.0 72.1 70.2 65.0 61.2 56.7 56.0 55.4 65.3 0.0 65.3 12 64.4 72.8 55.7 72.3 71.8 70.4 69.3 64.8 61.4 57.2 56.5 55.9 64.4 0.0 64.4 13 65.3 74.2 55.3 73.7 73.0 71.7 70.2 65.2 61.6 56.8 56.1 55.5 65.3 0.0 65.3 14 64.6 74.2 55.3 73.8 73.1 71.1 69.2 64.6 61.0 56.6 56.0 55.4 64.6 0.0 64.6 15 64.0 72.2 54.9 71.8 71.2 69.6 68.5 64.7 61.5 56.7 55.9 55.1 64.0 0.0 64.0 16 65.9 75.7 57.0 75.1 74.2 71.7 70.2 65.9 62.9 58.5 57.8 57.2 65.9 0.0 65.9 17 68.3 79.6 57.7 79.2 78.6 75.3 72.7 66.4 63.4 59.2 58.4 57.8 68.3 0.0 68.3 18 68.0 79.4 56.8 79.0 78.4 75.1 72.2 66.1 63.0 58.5 57.8 57.0 68.0 0.0 68.0 19 65.6 75.8 56.3 75.4 74.8 72.0 69.7 65.1 62.1 57.6 56.9 56.4 65.6 5.0 70.6 20 63.5 72.9 55.0 72.5 71.7 69.5 67.8 63.7 60.5 56.4 56.0 55.2 63.5 5.0 68.5 21 66.4 78.5 53.0 78.1 77.6 74.4 71.2 62.5 58.9 54.4 53.7 53.1 66.4 5.0 71.4 22 61.5 71.6 51.3 71.3 70.6 68.4 66.6 61.0 56.9 52.6 51.9 51.4 61.5 10.0 71.5 23 60.6 71.4 49.9 70.8 70.3 67.8 66.2 59.5 55.2 51.0 50.5 50.1 60.6 10.0 70.6 Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% Min 62.8 70.8 53.0 70.4 69.9 68.3 67.2 62.5 58.9 54.4 53.7 53.1 Max 68.3 79.6 57.7 79.2 78.6 75.3 72.7 66.4 63.4 59.2 58.4 57.8
65.4 74.3 73.7 71.5 69.7 64.7 61.4 57.0 56.3 55.6
Min 55.9 65.8 46.6 65.4 64.8 62.4 60.8 53.9 49.9 47.5 47.1 46.7 Max 65.2 74.1 56.5 73.6 72.8 70.6 69.5 65.8 62.4 58.0 57.3 56.7
60.9 68.9 68.2 66.2 64.6 59.4 55.5 51.8 51.3 50.8
24-Hour Noise Level Measurement Summary
Hourly L eq dBA Readings (unadjusted)
L eq (dBA)
Wednesday, October 6, 2021 L1 - Located north of the Project site near single-family residence at 11989 Tabor Drive.
Night
Night
Day
Day
Night
Energy Average
Energy Average Average:
Average:
24-Hour Daytime
(8am-10pm)
Nighttime
(10pm-8am)
64.1 65.4 60.9
56.3 55.9
56.4 56.5
59.0 63.0
62.6 65.2
65.0 62.8
63.0 65.3
64.4 65.3
64.6 64.0
65.9 68.3
68.0 65.6
63.5 66.4
61.5 60.6
35.0 40.0
45.0 50.0
55.0 60.0
65.0 70.0
75.0 80.0
85.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hourly Leq (dBA)
Hour Beginning
Z:\Shared\UcJobs\_14100-14500\_14300\14397\04_Noise\Fieldwork\Measurements\14397_L1_O 67 Date: Location: Meter: Piccolo II JN: 14397
Project: Moreno Valley Business Park Source: Analyst: A. Khan Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% L eq Adj. Adj. L eq 0 63.2 75.6 45.9 75.1 74.1 70.9 68.6 60.2 52.6 47.2 46.5 46.0 63.2 10.0 73.2 1 62.7 74.8 52.3 74.3 73.4 70.4 67.8 59.0 54.8 53.2 52.9 52.5 62.7 10.0 72.7 2 62.0 74.5 46.2 74.1 73.1 70.0 67.6 57.7 51.4 46.9 46.6 46.3 62.0 10.0 72.0 3 65.2 77.7 48.9 77.3 76.2 73.2 70.7 60.1 53.7 49.6 49.3 49.1 65.2 10.0 75.2 4 68.1 79.0 51.7 78.6 77.8 75.6 74.0 67.0 59.5 52.9 52.2 51.8 68.1 10.0 78.1 5 70.5 81.6 53.5 81.0 80.1 77.5 76.0 70.0 62.6 54.6 54.1 53.6 70.5 10.0 80.5 6 71.1 80.1 53.3 79.6 78.9 77.6 76.6 72.2 66.0 55.1 54.3 53.5 71.1 10.0 81.1 7 73.2 80.5 57.1 80.1 79.6 78.7 78.0 74.9 70.4 60.2 58.4 57.2 73.2 0.0 73.2 8 72.4 80.5 54.9 80.1 79.5 78.1 77.3 73.7 69.1 58.2 56.4 55.1 72.4 0.0 72.4 9 71.1 80.5 53.2 80.0 79.1 77.4 76.3 72.2 66.2 55.3 54.2 53.3 71.1 0.0 71.1 10 70.8 79.3 53.2 78.8 78.2 76.8 75.9 72.3 66.2 55.2 54.2 53.3 70.8 0.0 70.8 11 71.4 80.6 54.4 80.2 79.4 77.6 76.5 72.6 67.0 56.5 55.4 54.6 71.4 0.0 71.4 12 72.3 82.3 54.1 81.9 81.1 78.3 76.8 73.3 68.0 56.4 55.1 54.3 72.3 0.0 72.3 13 71.1 80.7 54.3 80.1 79.2 77.0 75.8 72.1 67.5 57.8 56.1 54.7 71.1 0.0 71.1 14 70.3 78.7 53.1 78.3 77.7 76.3 75.4 71.7 66.5 55.8 54.1 53.3 70.3 0.0 70.3 15 71.2 79.9 53.7 79.5 78.8 77.1 76.0 72.5 67.7 57.3 55.7 53.9 71.2 0.0 71.2 16 71.5 79.9 55.4 79.4 78.7 77.2 76.1 72.9 68.6 58.9 57.4 55.7 71.5 0.0 71.5 17 71.9 81.0 56.8 80.6 79.9 77.8 76.5 72.8 68.5 60.1 58.7 57.2 71.9 0.0 71.9 18 73.3 84.0 56.0 83.3 82.6 79.7 77.7 73.5 69.2 59.4 57.8 56.2 73.3 0.0 73.3 19 71.0 81.0 54.7 80.4 79.5 77.3 76.0 71.6 66.4 57.0 55.9 54.9 71.0 5.0 76.0 20 69.8 80.1 52.8 79.6 79.0 76.8 75.3 69.8 63.9 54.6 53.7 52.9 69.8 5.0 74.8 21 69.7 80.3 59.6 79.8 78.8 76.2 74.5 69.6 64.4 60.5 60.2 59.8 69.7 5.0 74.7 22 68.6 80.2 52.8 79.6 78.6 76.1 74.4 67.0 60.5 53.9 53.4 53.0 68.6 10.0 78.6 23 64.6 76.0 48.7 75.6 74.8 72.4 70.5 62.3 55.3 49.9 49.4 48.8 64.6 10.0 74.6 Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% Min 69.7 78.7 52.8 78.3 77.7 76.2 74.5 69.6 63.9 54.6 53.7 52.9 Max 73.3 84.0 59.6 83.3 82.6 79.7 77.7 73.7 69.2 60.5 60.2 59.8
71.4 80.1 79.4 77.4 76.1 72.2 67.1 57.4 56.1 55.0
Min 62.0 74.5 45.9 74.1 73.1 70.0 67.6 57.7 51.4 46.9 46.5 46.0 Max 73.2 81.6 57.1 81.0 80.1 78.7 78.0 74.9 70.4 60.2 58.4 57.2
68.5 77.5 76.7 74.2 72.4 65.0 58.7 52.4 51.7 51.2
Day
Night
Energy Average
Energy Average Average:
Average:
24-Hour Daytime
(8am-10pm)
Nighttime
(10pm-8am)
70.4 71.5 68.5
24-Hour Noise Level Measurement Summary
Hourly L eq dBA Readings (unadjusted)
L eq (dBA)
Wednesday, October 6, 2021 L2 - Located north of the Project site near single-family residence at 24130 Ironwood Avenue.
Night
Night
Day
63.2 62.7
62.0 65.2
68.1 70.5
71.1 73.2
72.4 71.1
70.8 71.4
72.3 71.1
70.3 71.2
71.5 71.9
73.3 71.0
69.8 69.7
68.6 64.6
35.0 40.0
45.0 50.0
55.0 60.0
65.0 70.0
75.0 80.0
85.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hourly Leq (dBA)
Hour Beginning
Z:\Shared\UcJobs\_14100-14500\_14300\14397\04_Noise\Fieldwork\Measurements\14397_L2_X 68 Date: Location: Meter: Piccolo II JN: 14397
Project: Moreno Valley Business Park Source: Analyst: A. Khan Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% L eq Adj. Adj. L eq 0 43.2 53.4 38.0 53.0 52.1 49.2 46.7 41.9 40.5 38.8 38.5 38.2 43.2 10.0 53.2 1 44.8 52.9 38.7 52.5 51.8 49.4 48.3 46.3 42.3 39.4 39.1 38.8 44.8 10.0 54.8 2 43.6 48.3 40.5 48.0 47.4 46.3 45.7 44.3 43.1 41.4 41.0 40.6 43.6 10.0 53.6 3 44.6 50.6 39.8 50.2 49.5 48.5 47.7 46.0 43.2 40.5 40.2 39.9 44.6 10.0 54.6 4 47.1 61.2 42.7 60.8 60.0 58.4 56.9 54.5 48.2 43.2 43.0 42.8 47.1 10.0 57.1 5 48.9 60.9 43.6 60.0 58.6 54.7 51.8 46.9 45.5 44.1 43.9 43.7 48.9 10.0 58.9 6 49.6 60.7 43.6 59.9 58.7 55.1 52.8 48.8 46.6 44.3 44.0 43.7 49.6 10.0 59.6 7 54.6 66.2 46.5 65.6 64.5 61.2 58.6 53.1 50.3 47.3 47.0 46.6 54.6 0.0 54.6 8 50.6 61.4 43.5 60.9 60.0 57.4 55.1 48.8 46.6 44.4 44.0 43.7 50.6 0.0 50.6 9 51.5 60.2 46.3 59.5 58.6 56.4 54.8 51.6 49.9 47.3 46.9 46.4 51.5 0.0 51.5 10 52.9 63.8 45.7 63.3 62.3 59.0 56.5 52.0 49.8 46.7 46.3 45.9 52.9 0.0 52.9 11 53.9 72.1 48.2 71.8 71.4 70.0 67.7 56.8 51.8 49.0 48.7 48.4 53.9 0.0 53.9 12 51.1 64.0 45.7 63.5 62.5 59.4 56.4 49.9 48.0 46.5 46.1 45.8 51.1 0.0 51.1 13 52.6 66.6 44.7 66.0 65.3 63.2 61.8 56.4 50.1 45.6 45.2 44.9 52.6 0.0 52.6 14 52.1 63.8 44.6 63.3 62.2 58.8 56.3 49.8 47.4 45.4 45.1 44.8 52.1 0.0 52.1 15 52.4 67.8 43.3 67.4 66.5 63.1 60.2 50.1 46.7 44.1 43.8 43.5 52.4 0.0 52.4 16 51.6 63.4 44.4 62.9 61.8 57.9 54.8 49.7 47.4 45.2 44.9 44.6 51.6 0.0 51.6 17 50.9 63.5 44.2 63.0 62.0 58.0 55.3 49.3 47.1 45.0 44.7 44.4 50.9 0.0 50.9 18 50.4 64.9 42.3 64.5 63.4 58.9 55.4 49.0 46.4 43.3 42.9 42.5 50.4 0.0 50.4 19 49.7 61.2 44.0 60.7 59.8 57.2 55.2 51.5 46.8 44.7 44.4 44.2 49.7 5.0 54.7 20 49.4 61.3 43.2 61.0 60.1 57.0 54.5 50.8 46.8 44.1 43.8 43.3 49.4 5.0 54.4 21 49.4 60.2 41.8 59.7 58.9 55.6 53.6 48.7 45.3 42.6 42.2 41.9 49.4 5.0 54.4 22 46.7 59.5 39.3 58.9 57.8 53.1 49.3 43.9 41.6 39.9 39.7 39.4 46.7 10.0 56.7 23 43.9 55.2 38.2 54.8 53.9 50.2 47.3 41.8 40.2 38.8 38.6 38.3 43.9 10.0 53.9 Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% Min 49.4 60.2 41.8 59.5 58.6 55.6 53.6 48.7 45.3 42.6 42.2 41.9 Max 53.9 72.1 48.2 71.8 71.4 70.0 67.7 56.8 51.8 49.0 48.7 48.4
51.5 63.4 62.5 59.4 57.0 51.0 47.9 45.3 44.9 44.6
Min 43.2 48.3 38.0 48.0 47.4 46.3 45.7 41.8 40.2 38.8 38.5 38.2 Max 54.6 66.2 46.5 65.6 64.5 61.2 58.6 54.5 50.3 47.3 47.0 46.6
48.3 56.4 55.4 52.6 50.5 46.7 44.1 41.8 41.5 41.2
24-Hour Noise Level Measurement Summary
Hourly L eq dBA Readings (unadjusted)
L eq (dBA)
Wednesday, October 6, 2021 L3 - Located east of the Project site near single-family residence at 12079 Nita Drive.
Night
Night
Day
Day
Night
Energy Average
Energy Average Average:
Average:
24-Hour Daytime
(8am-10pm)
Nighttime
(10pm-8am)
50.5 51.8 48.3
43.2 44.8
43.6 44.6
47.1 48.9
49.6 54.6
50.6 51.5
52.9 53.9
51.1 52.6
52.1 52.4
51.6 50.9
50.4 49.7
49.4 49.4
46.7 43.9
35.0 40.0
45.0 50.0
55.0 60.0
65.0 70.0
75.0 80.0
85.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hourly Leq (dBA)
Hour Beginning
Z:\Shared\UcJobs\_14100-14500\_14300\14397\04_Noise\Fieldwork\Measurements\14397_L3_B 69 Date: Location: Meter: Piccolo II JN: 14397
Project: Moreno Valley Business Park Source: Analyst: A. Khan Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% L eq Adj. Adj. L eq 0 60.6 70.3 50.2 69.8 69.1 67.2 65.7 60.6 55.9 51.1 50.7 50.4 60.6 10.0 70.6 1 59.4 70.9 50.2 70.3 69.0 66.0 64.0 58.5 54.3 50.9 50.6 50.3 59.4 10.0 69.4 2 60.4 71.5 51.7 70.9 70.0 67.1 65.0 59.4 55.4 52.7 52.3 51.9 60.4 10.0 70.4 3 64.8 77.3 52.6 76.4 74.9 72.0 69.9 62.7 57.9 53.5 53.1 52.8 64.8 10.0 74.8 4 66.1 76.9 51.8 76.4 75.5 72.8 71.0 66.1 60.8 53.5 52.6 52.0 66.1 10.0 76.1 5 68.8 81.3 52.9 80.7 79.3 75.4 73.0 67.6 63.2 55.2 54.1 53.1 68.8 10.0 78.8 6 67.4 77.1 54.3 76.7 75.8 73.0 71.5 68.0 64.4 56.5 55.6 54.5 67.4 10.0 77.4 7 67.8 77.6 54.8 77.1 76.1 73.4 71.8 68.1 65.2 57.7 56.2 55.0 67.8 0.0 67.8 8 67.4 77.2 54.7 76.8 76.0 73.1 71.2 67.8 64.7 57.1 55.9 54.9 67.4 0.0 67.4 9 67.1 76.5 53.9 76.0 75.2 72.7 71.3 67.6 64.3 56.8 55.4 54.3 67.1 0.0 67.1 10 66.8 75.6 54.9 75.2 74.6 72.5 71.1 67.3 64.3 57.9 56.5 55.1 66.8 0.0 66.8 11 67.4 78.6 52.8 78.0 77.0 73.4 71.1 67.0 63.6 56.1 54.4 53.1 67.4 0.0 67.4 12 66.2 74.8 54.6 74.3 73.7 71.8 70.4 67.0 63.9 57.6 56.1 54.9 66.2 0.0 66.2 13 66.3 75.5 55.0 74.9 74.0 71.6 70.3 67.0 64.1 58.1 56.8 55.4 66.3 0.0 66.3 14 67.9 79.7 53.4 79.1 78.0 74.2 71.5 67.0 63.7 56.6 55.2 53.7 67.9 0.0 67.9 15 66.0 75.9 55.1 75.3 74.4 71.3 69.5 66.4 63.5 58.0 56.6 55.3 66.0 0.0 66.0 16 67.0 76.9 54.7 76.3 75.5 72.8 71.3 67.4 64.3 57.4 56.2 55.0 67.0 0.0 67.0 17 67.9 78.3 56.7 77.8 76.9 74.1 72.0 67.8 64.9 58.9 57.8 56.9 67.9 0.0 67.9 18 68.1 79.1 56.2 78.5 77.2 73.9 71.7 67.8 65.2 58.7 57.5 56.4 68.1 0.0 68.1 19 68.0 75.3 63.0 74.9 74.2 72.4 70.9 68.6 66.8 63.9 63.5 63.1 68.0 5.0 73.0 20 66.3 76.1 59.0 75.4 74.3 71.2 69.7 66.7 63.8 60.1 59.6 59.2 66.3 5.0 71.3 21 65.7 75.5 56.4 75.0 74.1 71.9 70.2 65.8 62.5 57.7 57.0 56.5 65.7 5.0 70.7 22 64.5 73.9 56.4 73.4 72.6 70.2 68.7 64.9 61.5 57.2 56.8 56.5 64.5 10.0 74.5 23 65.2 77.1 54.7 76.5 75.5 72.2 69.4 63.7 59.5 55.5 55.1 54.8 65.2 10.0 75.2 Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% Min 65.7 74.8 52.8 74.3 73.7 71.2 69.5 65.8 62.5 56.1 54.4 53.1 Max 68.1 79.7 63.0 79.1 78.0 74.2 72.0 68.6 66.8 63.9 63.5 63.1
67.1 76.3 75.4 72.6 70.9 67.2 64.3 58.2 57.0 56.0
Min 59.4 70.3 50.2 69.8 69.0 66.0 64.0 58.5 54.3 50.9 50.6 50.3 Max 68.8 81.3 56.4 80.7 79.3 75.4 73.0 68.1 65.2 57.7 56.8 56.5
65.5 74.8 73.8 70.9 69.0 64.0 59.8 54.4 53.7 53.1
Day
Night
Energy Average
Energy Average Average:
Average:
24-Hour Daytime
(8am-10pm)
Nighttime
(10pm-8am)
66.5 67.1 65.5
24-Hour Noise Level Measurement Summary
Hourly L eq dBA Readings (unadjusted)
L eq (dBA)
Wednesday, October 6, 2021 L4 - Located west of the Project site near single-family residence at 12095 Heacock Street.
Night
Night
Day
60.6 59.4
60.4 64.8
66.1 68.8
67.4 67.8
67.4 67.1
66.8 67.4
66.2 66.3
67.9 66.0
67.0 67.9
68.1 68.0
66.3 65.7
64.5 65.2
35.0 40.0
45.0 50.0
55.0 60.0
65.0 70.0
75.0 80.0
85.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hourly Leq (dBA)
Hour Beginning
Z:\Shared\UcJobs\_14100-14500\_14300\14397\04_Noise\Fieldwork\Measurements\14397_L4_L 70 Date: Location: Meter: Piccolo II JN: 14397
Project: Moreno Valley Business Park Source: Analyst: A. Khan Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% L eq Adj. Adj. L eq 0 62.7 74.1 47.4 73.5 72.6 70.0 68.4 61.3 55.6 49.0 48.3 47.6 62.7 10.0 72.7 1 61.2 73.8 46.9 73.2 72.1 68.6 65.7 58.7 53.0 48.1 47.5 47.1 61.2 10.0 71.2 2 62.6 75.5 47.4 75.0 73.9 69.7 67.1 59.4 52.9 48.4 48.0 47.5 62.6 10.0 72.6 3 66.0 78.5 48.3 77.6 76.5 73.8 71.6 63.1 56.5 49.6 48.9 48.4 66.0 10.0 76.0 4 67.8 79.5 51.2 78.7 77.6 74.8 73.0 67.2 60.8 53.3 52.2 51.3 67.8 10.0 77.8 5 71.2 83.3 55.4 82.7 81.7 78.5 75.6 69.5 64.5 57.6 56.6 55.6 71.2 10.0 81.2 6 70.2 80.7 56.8 80.1 79.0 76.4 74.9 70.5 65.8 58.9 57.9 57.0 70.2 10.0 80.2 7 71.1 81.1 59.5 80.4 79.4 76.7 75.0 71.6 68.2 61.6 60.6 59.7 71.1 0.0 71.1 8 71.3 83.5 58.2 82.6 80.8 77.3 75.3 70.7 66.8 60.4 59.3 58.4 71.3 0.0 71.3 9 68.8 78.7 55.7 78.1 77.2 74.8 73.3 69.5 65.3 58.0 57.0 56.0 68.8 0.0 68.8 10 69.4 79.6 56.4 78.9 77.9 75.5 74.0 69.7 65.7 58.7 57.6 56.6 69.4 0.0 69.4 11 71.1 83.4 56.4 82.6 81.6 77.7 75.1 69.9 65.4 59.0 57.5 56.6 71.1 0.0 71.1 12 69.9 80.3 57.3 79.5 78.6 76.2 74.2 70.2 66.3 59.5 58.4 57.5 69.9 0.0 69.9 13 70.2 80.5 59.1 79.6 78.5 76.1 74.8 70.3 66.9 61.0 60.1 59.3 70.2 0.0 70.2 14 70.9 82.7 56.6 81.9 80.6 77.7 74.9 70.1 66.2 58.8 57.7 56.8 70.9 0.0 70.9 15 69.3 79.5 57.9 78.8 77.9 75.0 73.5 69.3 66.1 60.3 59.1 58.1 69.3 0.0 69.3 16 70.7 82.4 59.1 81.7 80.5 76.8 74.4 70.0 67.0 61.5 60.3 59.3 70.7 0.0 70.7 17 72.0 84.5 59.1 83.5 82.3 78.0 76.1 70.8 67.2 61.5 60.5 59.3 72.0 0.0 72.0 18 70.7 80.9 59.4 80.2 79.3 76.7 74.8 70.9 67.6 61.8 60.7 59.6 70.7 0.0 70.7 19 68.5 78.0 56.4 77.3 76.4 74.2 72.9 69.1 65.3 58.9 57.6 56.7 68.5 5.0 73.5 20 67.7 78.1 55.1 77.4 76.5 74.3 72.7 67.6 63.6 57.2 56.2 55.3 67.7 5.0 72.7 21 68.0 79.2 53.1 78.4 77.4 75.1 73.3 67.3 62.2 55.1 54.3 53.3 68.0 5.0 73.0 22 66.8 78.0 53.6 77.4 76.4 73.4 71.7 66.1 61.6 55.9 55.2 53.7 66.8 10.0 76.8 23 66.2 78.4 51.1 77.5 76.4 73.4 70.9 64.6 59.2 53.2 52.3 51.3 66.2 10.0 76.2 Timeframe Hour L eq L max L min L1% L2% L5% L8% L25% L50% L90% L95% L99% Min 67.7 78.0 53.1 77.3 76.4 74.2 72.7 67.3 62.2 55.1 54.3 53.3 Max 72.0 84.5 59.4 83.5 82.3 78.0 76.1 70.9 67.6 61.8 60.7 59.6
70.1 80.0 79.0 76.1 74.2 69.7 65.8 59.4 58.3 57.3
Min 61.2 73.8 46.9 73.2 72.1 68.6 65.7 58.7 52.9 48.1 47.5 47.1 Max 71.2 83.3 59.5 82.7 81.7 78.5 75.6 71.6 68.2 61.6 60.6 59.7
67.8 77.6 76.6 73.5 71.4 65.2 59.8 53.5 52.7 51.9
24-Hour Noise Level Measurement Summary
Hourly L eq dBA Readings (unadjusted)
L eq (dBA)
Wednesday, October 6, 2021 L5 - Located west of the Project site near single-family residence at 12065 Heacock Street.
Night
Night
Day
Day
Night
Energy Average
Energy Average Average:
Average:
24-Hour Daytime
(8am-10pm)
Nighttime
(10pm-8am)
69.3 70.1 67.8
62.7 61.2
62.6 66.0
67.8 71.2
70.2 71.1
71.3 68.8
69.4 71.1
69.9 70.2
70.9 69.3
70.7 72.0
70.7 68.5
67.7 68.0
66.8 66.2
35.0 40.0
45.0 50.0
55.0 60.0
65.0 70.0
75.0 80.0
85.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Hourly Leq (dBA)
Hour Beginning
Z:\Shared\UcJobs\_14100-14500\_14300\14397\04_Noise\Fieldwork\Measurements\14397_L5_M 71 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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72 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
APPENDIX 7.1:
CADNAA OPERATIONAL NOISE MODEL INPUTS
73 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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74 14397- Moreno Valley Business Park Phase II
CadnaA Noise Prediction Model: 14397_02.cna
Date: 20.12.21
Analyst: S. Shami
Calculation Configuration
Configuration
Parameter Value
General
Country (user defined)
Max. Error (dB) 0.00
Max. Search Radius (#(Unit,LEN)) 2000.01
Min. Dist Src to Rcvr 0.00
Partition
Raster Factor 0.50
Max. Length of Section (#(Unit,LEN)) 999.99
Min. Length of Section (#(Unit,LEN)) 1.01
Min. Length of Section (%) 0.00
Proj. Line Sources On
Proj. Area Sources On
Ref. Time
Reference Time Day (min) 960.00
Reference Time Night (min) 480.00
Daytime Penalty (dB) 0.00
Recr. Time Penalty (dB) 5.00
Night-time Penalty (dB) 10.00
DTM
Standard Height (m) 0.00
Model of Terrain Triangulation
Reflection
max. Order of Reflection 2
Search Radius Src 100.00
Search Radius Rcvr 100.00
Max. Distance Source - Rcvr 1000.00 1000.00
Min. Distance Rvcr - Reflector 1.00 1.00
Min. Distance Source - Reflector 0.10
Industrial (ISO 9613)
Lateral Diffraction some Obj
Obst. within Area Src do not shield On
Screening Incl. Ground Att. over Barrier
Dz with limit (20/25)
Barrier Coefficients C1,2,3 3.0 20.0 0.0
Temperature (#(Unit,TEMP)) 10
rel. Humidity (%) 70
Ground Absorption G 0.50
Wind Speed for Dir. (#(Unit,SPEED)) 3.0
Roads (RLS-90)
Strictly acc. to RLS-90
Railways (FTA/FRA)
Aircraft (???)
Strictly acc. to AzB
Receiver Noise Levels
Name M. ID Level Lr Limit. Value Land Use Height Coordinates Day Night CNEL Day Night CNEL Type Auto Noise Type X Y Z (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) (ft) (ft) (ft) (ft) RECEIVERS R1 56.0 55.8 62.4 65.0 60.0 0.0 5.00 a 6260528.37 2289567.14 5.00 RECEIVERS R2 55.8 55.7 62.4 65.0 60.0 0.0 5.00 a 6260905.36 2289576.60 5.00 RECEIVERS R3 47.3 47.3 53.9 65.0 60.0 0.0 5.00 a 6262175.51 2289081.82 5.00 RECEIVERS R4 55.6 55.4 62.0 65.0 60.0 0.0 5.00 a 6260198.99 2288796.30 5.00 RECEIVERS R5 54.5 54.4 61.0 65.0 60.0 0.0 5.00 a 6260125.08 2289186.54 5.00 RECEIVERS @ 200 57.1 57.1 63.8 65.0 60.0 0.0 5.00 a 6261115.69 2289363.45 5.00 Point Source(s)
Name M. ID Result. PWL Lw / Li Operating Time K0 Height Coordinates Day Evening Night Type Value norm. Day Special Night X Y Z (dBA) (dBA) (dBA) dB(A) (min) (min) (min) (dB) (ft) (ft) (ft) (ft) POINTSOURCE PARK08 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260877.28 2289412.76 5.00 POINTSOURCE PARK07 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260733.71 2289412.10 5.00 POINTSOURCE PARK06 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260626.53 2289402.84 5.00 POINTSOURCE PARK05 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260529.28 2289402.17 5.00 POINTSOURCE PARK04 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260436.65 2289404.16 5.00 POINTSOURCE PARK03 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260365.20 2289146.13 5.00 POINTSOURCE PARK02 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260361.89 2288967.50 5.00 POINTSOURCE PARK01 87.8 87.8 87.8 Lw 87.8 900.00 0.00 540.00 0.0 5.00 a 6260362.55 2288872.89 5.00 POINTSOURCE AC01 88.9 88.9 88.9 Lw 88.9 585.00 0.00 252.00 0.0 5.00 g 6260397.04 2289369.17 5.00 POINTSOURCE TRASH01 89.0 89.0 89.0 Lw 89.0 150.00 0.00 90.00 0.0 5.00 a 6260872.36 2289256.13 5.00 Urban Crossroads, Inc.
75 Line Source(s)
Name M. ID Result. PWL Result. PWL' Lw / Li Operating Time Moving Pt. Src Height Day Evening Night Day Evening Night Type Value norm. Day Special Night Number Speed (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) dB(A) (min) (min) (min) Day Evening Night (mph) (ft) LINESOURCE TRUCK01 93.2 93.2 93.2 67.2 67.2 67.2 Lw 93.2 900.00 0.00 540.00 8 LINESOURCE TRUCK02 93.2 93.2 93.2 72.4 72.4 72.4 Lw 93.2 900.00 0.00 540.00 8 Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
LINESOURCE 8.00 a 6260817.70 2289268.06 8.00 0.00
6260819.06 2289427.98 8.00 0.00
6260637.12 2289431.28 8.00 0.00
6260603.38 2289422.02 8.00 0.00
6260443.27 2289424.67 8.00 0.00
6260405.56 2289427.98 8.00 0.00
6260389.68 2289422.68 8.00 0.00
6260377.77 2289417.39 8.00 0.00
6260367.18 2289408.13 8.00 0.00
6260361.89 2289395.56 8.00 0.00
6260355.28 2289381.66 8.00 0.00
6260353.29 2289364.46 8.00 0.00
6260353.95 2289336.68 8.00 0.00
6260355.94 2289324.77 8.00 0.00
6260358.58 2289308.23 8.00 0.00
6260350.64 2289282.42 8.00 0.00
6260343.37 2289254.64 8.00 0.00
6260336.75 2288782.92 8.00 0.00
6260336.09 2288770.34 8.00 0.00
6260301.60 2288771.06 8.00 0.00
LINESOURCE 8.00 a 6260723.79 2288753.73 8.00 0.00
6260374.46 2288757.77 8.00 0.00
6260361.23 2288759.10 8.00 0.00
6260336.09 2288770.34 8.00 0.00
Area Source(s)
Name M. ID Result. PWL Result. PWL'' Lw / Li Operating Time Height Day Evening Night Day Evening Night Type Value norm. Day Special Night (ft) (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) dB(A) (min) (min) (min) AREASOURCE DOCK01 111.5 111.5 111.5 71.9 71.9 71.9 Lw 111.5 900.00 0.00 540.00 8 Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
AREASOURCE 8.00 a 6260730.54 2289269.47 8.00 0.00
6260769.86 2289268.77 8.00 0.00
6260915.10 2289266.62 8.00 0.00
6260911.04 2288738.31 8.00 0.00
6260723.53 2288739.68 8.00 0.00
6260724.22 2288777.30 8.00 0.00
Building(s)
Name M. ID RB Residents Absorption Height Coordinates
Begin x y z Ground
(ft) (ft) (ft) (ft) (ft)
BUILDING BUILDING00001 x 0 45.00 a 6260383.00 2289386.72 0.00 0.00 6260682.79 2289384.61 0.00 0.00
6260683.50 2289392.34 0.00 0.00
6260770.56 2289393.04 0.00 0.00
6260769.86 2289268.77 0.00 0.00
6260730.54 2289269.47 0.00 0.00
6260724.22 2288777.30 0.00 0.00
6260376.68 2288780.11 0.00 0.00
Urban Crossroads, Inc.
76 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
APPENDIX 8.1:
CADNAA CONSTRUCTION NOISE MODEL INPUTS
77 Moreno Valley Business Park-Phase II Noise Impact Analysis 14397-03 Noise Study
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78 14397- Moreno Valley Business Park Phase II
CadnaA Noise Prediction Model: 14397_02 - Construction.cna Date: 21.12.21
Analyst: S. Shami
Calculation Configuration
Configuration
Parameter Value
General
Country (user defined)
Max. Error (dB) 0.00
Max. Search Radius (#(Unit,LEN)) 2000.01
Min. Dist Src to Rcvr 0.00
Partition
Raster Factor 0.50
Max. Length of Section (#(Unit,LEN)) 999.99
Min. Length of Section (#(Unit,LEN)) 1.01
Min. Length of Section (%) 0.00
Proj. Line Sources On
Proj. Area Sources On
Ref. Time
Reference Time Day (min) 960.00
Reference Time Night (min) 480.00
Daytime Penalty (dB) 0.00
Recr. Time Penalty (dB) 5.00
Night-time Penalty (dB) 10.00
DTM
Standard Height (m) 0.00
Model of Terrain Triangulation
Reflection
max. Order of Reflection 2
Search Radius Src 100.00
Search Radius Rcvr 100.00
Max. Distance Source - Rcvr 1000.00 1000.00
Min. Distance Rvcr - Reflector 1.00 1.00
Min. Distance Source - Reflector 0.10
Industrial (ISO 9613)
Lateral Diffraction some Obj
Obst. within Area Src do not shield On
Screening Incl. Ground Att. over Barrier
Dz with limit (20/25)
Barrier Coefficients C1,2,3 3.0 20.0 0.0
Temperature (#(Unit,TEMP)) 10
rel. Humidity (%) 70
Ground Absorption G 0.50
Wind Speed for Dir. (#(Unit,SPEED)) 3.0
Roads (RLS-90)
Strictly acc. to RLS-90
Railways (FTA/FRA)
Aircraft (???)
Strictly acc. to AzB
Receiver Noise Levels
Name M. ID Level Lr Limit. Value Land Use Height Coordinates Day Night CNEL Day Night CNEL Type Auto Noise Type X Y Z (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) (ft) (ft) (ft) (ft) RECEIVERS R1 62.1 62.1 68.8 65.0 60.0 0.0 5.00 a 6260528.37 2289567.14 5.00 RECEIVERS R2 60.2 60.2 66.8 65.0 60.0 0.0 5.00 a 6260905.36 2289576.60 5.00 RECEIVERS R3 49.4 49.4 56.0 65.0 60.0 0.0 5.00 a 6262175.51 2289081.82 5.00 RECEIVERS R4 61.2 61.2 67.9 65.0 60.0 0.0 5.00 a 6260198.99 2288796.30 5.00 RECEIVERS R5 60.2 60.2 66.8 65.0 60.0 0.0 5.00 a 6260125.08 2289186.54 5.00 RECEIVERS @ 200 59.1 59.1 65.8 65.0 60.0 0.0 5.00 a 6261115.69 2289363.45 5.00 Area Source(s)
Name M. ID Result. PWL Result. PWL'' Lw / Li Operating Time Height Day Evening Night Day Evening Night Type Value norm. Day Special Night (ft) (dBA) (dBA) (dBA) (dBA) (dBA) (dBA) dB(A) (min) (min) (min) SITEBOUNDARY CONSTRUCTION 115.0 115.0 115.0 68.9 68.9 68.9 Lw 115 8 Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
SITEBOUNDARY 8.00 a 6260314.42 2289439.79 8.00 0.00
6260337.97 2289465.82 8.00 0.00
6260475.64 2289464.82 8.00 0.00
6260497.62 2289456.35 8.00 0.00
6260585.80 2289455.71 8.00 0.00
Urban Crossroads, Inc.
79 Name Height Coordinates
Begin End x y z Ground
(ft) (ft) (ft) (ft) (ft) (ft)
6260594.62 2289459.11 8.00 0.00
6260594.71 2289470.64 8.00 0.00
6260748.71 2289469.52 8.00 0.00
6260748.59 2289454.52 8.00 0.00
6260916.54 2289453.29 8.00 0.00
6260915.53 2289321.66 8.00 0.00
6260912.29 2288900.40 8.00 0.00
6260911.04 2288738.31 8.00 0.00
6260698.80 2288739.86 8.00 0.00
6260301.06 2288742.77 8.00 0.00
Urban Crossroads, Inc.
80