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                                   CONSULTING ACOUSTICAL ENGINEERS
                                                                      ABN 22 180 702 408
                                                                                                                 NOOSA COUNCIL
                                                                                                               APPROVED DOCUMENT
                                   PO Box 700 Margate Beach QLD 4019 AUSTRALIA                                OPW20/0108 13 OCT 2020
                                   Mob: 0420 935 874
                                   Email: [email protected] Website: www.alphaacoustics.com.au




               To:               Belo Developments                    Email:       [email protected]

               Attention:        Djorde Belosevic

               Reference: J2192 - Noise Impact Assessment - BP Noosaville (Rev 1).docx



                     PROPOSED SERVICE STATION
                                         REDEVELOPMENT



                              NOISE IMPACT
                                   ASSESSMENT
                                                                                                Date: 5 June, 2019
                                                                                                Number of Pages: 25 (inc)




            This document is not intended for a third party and no responsibility is undertaken to a third party. If this document is to
            be reproduced, it should be reproduced in full.
Document Set ID: 20936878
Version: 1, Version Date: 22/07/2019
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Page 2

            Contents
                       EXECUTIVE SUMMARY .............................................................................................. 4
                       1.      INTRODUCTION ................................................................................................... 5
                       2.      DESCRIPTION OF SITE AND SURROUNDS..................................................... 5
                       3.      EXISTING ACOUSTIC ENVIRONMENT ........................................................... 8
                       4.      PROPOSED USE .................................................................................................. 11
                       5.      NOISE CRITERIA ................................................................................................ 12
                               Noosa Shire Council Noise Criteria ................................................................................................ 12
                               Environmental Protection (Noise) Policy ........................................................................................ 12
                               Sleep Disturbance ............................................................................................................................ 13
                               Project Specific Noise Criteria ........................................................................................................ 13

                       6.      NOISE ASSESSMENT......................................................................................... 14
                       7.      CONCLUSION ..................................................................................................... 20
                       APPENDIX A – GLOSSARY OF ACOUSTIC TERMS .............................................. 21
                       APPENDIX B – DEVELOPMENT PLANS .................................................................. 22
                       APPENDIX C – SOUNDPLAN MODELLING DATA ................................................ 23




        © Alpha Acoustics Pty Ltd                                                                                                          Page 2 of 25
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            DOCUMENT CONTROL



               Revision No              Issue Date             Revision Description                            Author                  Review
                    0                   07/05/2019             Draft Noise Impact Report                        MF                      MF
                      1                 05/06/2019             Revise plans                                       MF                     MF




            DISCLAIMER


            This Report by Alpha Acoustics Pty Ltd is prepared for a particular Client and is based on the agreed objective, scope, conditions and
            limitations as may be stated in the Executive summary. The Report presents only the information that Alpha Acoustics Pty Ltd believes,
            in its professional opinion, is relevant and necessary to describe the issues involved. The Report should not be used for anything other
            than the intended purpose and should not be reproduced, presented or reviewed except in full. The intellectual property of this Report
            remains with Alpha Acoustics Pty Ltd. The Client is authorised, upon payment to Alpha Acoustics Pty Ltd of the agreed Report
            preparation fee, to provide this Report in full to any third party.

            Recommendations made in this report are intended to resolve acoustical problems only. We make no claim of expertise in other areas
            and draw your attention to the possibility that our recommendations may not meet the structural, fire, thermal, or other aspects of
            building construction

            We encourage clients to check with us before using materials or equipment that are alternative to those specified in our Acoustical
            Report.

            The integrity of acoustic structures is very dependent on installation techniques. For example, a small crack between the top of a wall
            and a ceiling can reduce the effective sound transmission loss of a wall from Rw 50 to Rw 40. Therefore the use of contractors that are
            experienced in acoustic construction is encouraged. Furthermore, two insulation products may have the same thermal R rating but the
            sound absorption of one may be entirely deficient, therefore the use of materials and equipment that are supported by acoustic laboratory
            test data is encouraged.




        © Alpha Acoustics Pty Ltd                                                                                   Page 3 of 25
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            EXECUTIVE SUMMARY


            This acoustic report has been prepared to support a Development Application for the proposed redevelopment
            of the Noosaville Service Station at the Corner of Mary Street and Weyba Road, Noosaville, Qld 4566. The
            development site falls within an existing business zone and is surrounded by residences and commercial
            premises.

            The proposed use involves the operation of a redeveloped BP service station. The development has the
            potential to generate noise emissions at neighbouring dwellings due to car parking and mechanical plant.
            Mechanical plant will be located on the ground and the existing hours of operation (5:00am to 10:00pm) will
            be maintained. The noise emissions from the site will be reduced due to the relocation and selection of new
            ground mounted mechanical plant and boundary noise barriers.

            The Acoustic Quality Objectives and the Background Creep requirements of the Environmental Protection
            (Noise) Policy 2008 (EPP Noise) and Sleep Disturbance noise criteria described by the World Health
            Organisation (WHO) have been used as the assessment criteria for the development.

            Noise emissions from the proposed redevelopment have been forecast in this acoustic assessment. Baseline
            noise measurements have also been performed near the subject site to help determine background noise levels
            in the area and nominate background creep criteria.



            Conclusions

                 •   Noise emissions from the operation of the proposed BP redevelopment were forecast to comply with
                     the noise criteria provided the noise control recommendations in this report are installed.

            Recommendations

                 •   Acoustic noise controls as outlined in this report should be constructed as described in Section 6 of
                     this report.




        © Alpha Acoustics Pty Ltd                                                               Page 4 of 25
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            1. INTRODUCTION
            This acoustic report has been prepared to support a Development Application for the proposed redevelopment
            of the Noosaville Service Station at the Corner of Mary Street and Weyba Road, Noosaville, Qld 4566. The
            development site falls within an existing business zone and is surrounded by residences and commercial
            premises.

            The nearest and most affected noise assessment locations include:

                 •   Northern Residences: 255 Weyba Road, Noosaville

                 •   Southern Residences: Blue Fin Court, Noosaville

                 •   Western Commercial: Mary Street, Noosaville



            2. DESCRIPTION OF SITE AND SURROUNDS
            The subject site is located at the corner of Mary Street and Weyba Road, Noosaville, Qld. The development
            site falls within an existing business centre zone and is surrounded by residential and commercial premises.
            The general location layout is shown in Figure 2.1. The current zoning map from Noosa Shire Council is
            shown in Figure 2.2. A photograph of the noise logger setup and locale is presented in Figures 2.3 and 2.4.

            Figure 2.1: Development site, surrounding area and acoustic measurement location (Google)

                                                                                              Measurement Location ML1




                Proposed Redevelopment




                                                                                              Measurement Location ML2




        © Alpha Acoustics Pty Ltd                                                             Page 5 of 25
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            Figure 2.2: Site and surround current zoning




        © Alpha Acoustics Pty Ltd                                             Page 6 of 25
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            Figure 2.3: Noise logger Setup ML1 – Unit 4 – 255 Weyba Road, Noosaville




            Figure 2.4: Noise logger Setup ML2 – 2/55 Blue Fin Court, Noosaville




        © Alpha Acoustics Pty Ltd                                                      Page 7 of 25
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            3. EXISTING ACOUSTIC ENVIRONMENT


            An on-site survey was conducted for a period of 7 days, between Saturday 10th December 2016 and Saturday
            17th December 2016. The measurement location (ML1) was located adjacent to unit 4 of 255 Weyba Road as
            shown in Figure 2.1. The measurement location (ML2) was located in the rear yard of 2/55 Blue Fin Court
            as shown in Figure 2.1.


            The microphone was placed at a height of 1.5 m at both ML1 and ML2 (see Figure 2.3 and Figure 2.4). The
            measured levels are considered free field. Measurement at these locations are considered indicative of the
            noise environment adjacent to the measurement locations. The background noise was predominantly made up
            of traffic noise along Mary Street and Weyba Road and from the operation of the existing service centre.


            All instrumentation used in this assessment holds a current calibration certificate from a certified NATA
            calibration laboratory. The following instruments were used to measure the ambient noise levels-
                 •   Rion NL-21 type 2 environmental noise loggers
                 •   Bruel & Kjaer calibrator


            Ambient sound pressure levels were measured generally in accordance with Australian Standard
            AS1055.1:1997 - ‘Acoustics-Description and measurement of environmental noise - Part 1: General
            procedures’. Ambient noise levels were recorded at continuous 15 minute intervals. (Figure 3.1 and
            Figure 3.2). Although the EPP noise policy 2008 only requires average background noise levels, rating
            background noise levels as described in the DEHP Guideline “Planning for Noise Control” using the tenth
            percentile method have been used in this assessment as shown in below. Terms and definitions used in the
            report are found in Appendix A.




        © Alpha Acoustics Pty Ltd                                                              Page 8 of 25
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                                                                              © Alpha Acoustics Pty Ltd

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Figure 3.1: Existing noise levels at location ML1




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                                                                                                                                                                             Summary of averaged noise levels, dB(A) from logging on site.




                     - Noise Impact Assessment - BP Noosaville (Rev 1).docx
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Ambient Noise Levels Measured At Unit 4 - 255 Weyba Road, Noosaville




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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Figure 3.2: Existing noise levels at location ML2




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                                                                                                                                                                             Summary of averaged noise levels, dB(A) from logging on site.




                     - Noise Impact Assessment - BP Noosaville (Rev 1).docx
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                                                                                                                                                               LA10
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                                                                                                                                                                                                                                             Date & Time of Measurements
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Ambient Noise Levels Measured At 2/55 Blue Fin Court, Noosaville




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                                                                                                                                                               LA1
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Page 11

            4. PROPOSED USE
            The BP redevelopment is proposed to operate from 5:00am to 10:00 seven days a week. Alpha Acoustics
            understands that approximately 44 vehicle movements per hour will occur during peak periods (day time and
            evening) and 8 vehicle movements per hour in the night time.

            Mechanical plant will be located on the ground. Parking and is provided on site.

            Figure 4.1: Proposed layout for development




        © Alpha Acoustics Pty Ltd                                                              Page 11 of 25
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            5. NOISE CRITERIA
            Noosa Shire Council Noise Criteria
            The proposed redevelopment site falls within an existing business centre zone and as such the Noosa Shire
            Plan / Division 3 / Business Uses Code describes the council criteria for the development as extracted below:




            Council does not specify specific noise limits therefore noise emissions are assessed to the state Environmental
            Protection (Noise) Policy for sensitive receivers surrounding the redevelopment as described below.

            Environmental Protection (Noise) Policy
            The Acoustic Quality Objectives and the Background Creep requirements of the Environmental Protection
            (Noise) Policy 2008 (EPP Noise) have been used as the assessment criteria for the development. Operational
            activities for the proposed use (i.e. vehicle movements, speaker box noise and plant noise) have been assessed
            against the Acoustic Quality Objectives as shown in Table 5.1.
            Table 5.1: Acoustic Quality Objectives of EPP Noise
                                                                      Acoustic Quality Objective
                Sensitive                                          (Measured at the Receptor) dB(A)               Environmental
                                       Time of Day
                Receptor                                                                                              Value
                                                                LAeq,adj,1hr   LA10,adj,1hr   LA01,adj,1hr
                Dwellings           Daytime and evening
                                                                     50            55             65           Health and wellbeing
              (for outdoors)          (7am to 10pm)
                Dwellings           Daytime and evening
                                                                     35            40             45           Health and wellbeing
               (for indoors)          (7am to 10pm)
                                                                                                                Health and wellbeing
                Dwellings                Night-time
                                                                     30            35             40           in relation to the ability
               (for indoors)           (10pm to 7am)
                                                                                                                        to sleep
               Commercial                                                                                       Health and wellbeing
                                 When activity is open for
                and retail                                           45                                        in relation to the ability
                                        business                                                                      to converse
                 activity
            Introduced plant have the potential to increase background noise levels in the area. These have been assessed
            against the Background Creep requirements of EPP Noise.

            To the extent that it is reasonable to do so, noise from an activity must not be:
                     •    For continuous noise (e.g. fan noise) – Measured by LA90,T more than nil dB(A) greater than the
                          existing acoustic environment measured by LA90,T.
                     •    For noise that varies over time (i.e. vehicle movements, speakerbox) – Measured by LAeq,adj,T more
                          than 5 dB(A) greater than the existing acoustic environment measured by LA90,T.
            Noise emission limits for the control of background creep, based on measured background levels are shown in
            Table 5.2 below.




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            Table 5.2: Background creep requirements of EPP Noise

                                                                                    Permitted Noise Emission
                                       Measured
                                                                                             dB(A)
                                      Background
               Time of Day
                                         Level                 Continuously Operating
                                      LA90 dB(A)                                                      Time Varying Noise
                                                                       Plant
                                                                                                           LAeq,adj,T
                                                                       LA90,T
                 Daytime
               (7am to 6pm)
                                             46                               46                               51
                 Evening
              (6pm to 10pm)
                                            391                               39                               44
                  Night
              (10pm to 7am)
                                            302                               30                               35

            Note 1: The background noise level at ML2 during the evening was measured at LA90 37 dB(A). Given the background
            noise was measured behind a 1.8m high fence, a background noise level of LA90 39 dB(A) as measured at ML1 has been
            used in the assessment which conservatively represents the upper level background noise for residences in Blue Fin Court

            Note 2: The background noise level at ML2 at night was measured at LA90 27 dB(A). Given the background noise was
            measured behind a 1.8m high fence, a background noise level of LA90 30 dB(A) as measured at ML1 has been used in the
            assessment which conservatively represents the upper level background noise for residences in Blue Fin Court
            Sleep Disturbance
            The World Health Organisation (WHO) set out a Sleep disturbance noise criteria in the “WHO
            Guidelines for community noise”. Table 1 of that guideline establishes that sleep disturbance can
            occur inside bedrooms when the maximum noise level is at LAmax 45 dB(A) (10pm to 7am). In
            practice, with a bedroom window open, this internal noise level will be equivalent to an outside
            maximum noise level of LAmax 50 to 55 dB(A) [depending on building construction]. It is noted that
            the LAmax is generally considered equivalent to the LA01, 1 minute.

            Project Specific Noise Criteria
            Considering the criteria discussion above, the project specific noise criteria is summarised in
            Table 5.3.3 below.
            Table 5.3.3: Project Specific Noise Levels
                                                                   Recommended Nosie Limits dB(A)
                                               Continuously Operating
                     Time of Day                                        Time Varying Noise      Short Duration Events
                                                       Plant
                                                                             LAeq,adj,T                 LAMax
                                                       LA90,T
                Daytime and evening
                                                  46 dB(A) L90 (Outdoors)          50 dB(A) Leq (Outdoors)              N/A
                   (7am to 10pm)
                Daytime and evening
                                                  44 dB(A) L90 (outdoors)          45 dB(A) Leq (Outdoors)              N/A
                  (7am to 10pm) 1
                     Night-time
                                                35 dB(A) L90 (Outdoors)            35 dB(A) Leq (outdoors)   50 dB(A) L90 (Outdoors)
                  (10pm to 7am) 1
              When Commercial in use                                               50 dB(A) Leq (Outdoors)

            Note 1: A conservative 5 dB(A) inside to outside building façade correction has been applied to dwellings and to
            commercial uses.




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            6. NOISE ASSESSMENT
            Operation of the proposed service station redevelopment has the potential to generate noise emissions due to:

                 •   Car movements on site.

                 •   Mechanical plant operating.

                 •   Pump bowser

                 •   Truck refuel / garbage truck

            The results of the noise measurements and additional noise data from Alpha Acoustics Pty Ltd and SoundPlan
            Sound Library are presented in Table 6.1 below as sound power levels.

            Table 6.1: Summary of common noise emissions at the subject site




            Knowing the source sound power level (see above Table 6.1), the sound pressure level can be calculated at a
            remote location using suitable formulae to account for distance losses, ground absorption, sound barriers,
            atmospheric effects, etc.

            Noise modelling has been conducted using SoundPLAN v7.0 and the prediction methodology ISO 9613-2:
            1996 incorporating manufacturer published sound emission data. We would expect the order of uncertainty to
            be in the range of +/- 2 dB(A). The noise model presents all plant operating simultaneously, accordingly the
            predictions should be considered a worst case scenario, assuming constant noise levels.

            Noise modelling results are presented in Appendix C of this report. Additionally LAeq Noise emissions
            modelled in the day / evening period and night for first floor and ground floor after noise controls have been
            incorporated are shown in the following figures:




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            Figure 6.1 LAeq Day – Ground Floor (after noise controls)




            Figure 6.2 LAeq Evening – Ground Floor (after noise controls)




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            Figure 6.3 LAeq Night – Ground Floor (after noise controls)




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            Figure 6.4 - LAeq Day – First Floor (after noise controls)




            Figure 6.5 - LAeq Evening – First Floor (after noise controls)




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            Figure 6.6 - LAeq Night – First Floor (after noise controls)




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            Figure 6.7 – Proposed Noise Controls




                                               3m High Acoustic Barrier




                                1.8m Entry boundary                           1.8m Exit boundary
                                barrier                                       barrier




            Corner Boundary Barrier should be free of gaps and be constructed from a material with minimum surface
            mass at least 10kg/m2. Or proprietary noise walls with an acoustic rating of Rw 25. Examples of suitable noise
            barrier material include, 25mm thick “lapped and capped” pine timber fence. Barrier to be 3m high vertically
            (see Figure 6.7 for location).

            Entry and Exit Boundary Barriers should be free of gaps and be constructed from a material with minimum
            surface mass at least 10kg/m2. Or proprietary noise walls with an acoustic rating of Rw 25. Examples of
            suitable noise barrier material include, 25mm thick “lapped and capped” pine timber fence. Barriers to be a
            minimum 1.8m high vertically and terminate 5 m from Weyba Rd or Mary St (see Figure 6.7 for locations).

            Truck Movements (garbage and refuelling) should occur between 7:00am and 10:00pm only.




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            7. CONCLUSION
            This acoustic report has been prepared to support a Development Application for the proposed redevelopment
            of the Noosaville Service Station at the Corner of Mary Street and Weyba Road, Noosaville, Qld 4566. The
            development site falls within an existing business zone and is surrounded by residences and commercial
            premises.

            Mechanical plant will be located on the ground and the existing hours of operation (5:00am to 10:00pm) will
            be maintained. The noise emissions from the site will be reduced due to the relocation and selection of new
            ground mounted mechanical plant and boundary noise barriers.




            Conclusions

                 •   Noise emissions from the operation of the proposed service station redevelopment were forecast to
                     comply with the noise criteria provided the noise control recommendations in this report are installed.

            Recommendations

                 •   Acoustic noise controls as outlined in this report should be constructed as described in Section 6 of
                     this report.




            ALPHA ACOUSTICS PTY LTD
            (Member Firm of the AAAC)




            Matthew Fishburn, BE(Mech) Hons, MAAS, MIEAust, CPEng, RPEQ (14356)
            Principal Consulting Acoustical Engineer
            for and on behalf of Alpha Acoustics.

            NOISE AND VIBRATION ENGINEERS



            Mob:        0420 935 874
            Email:      [email protected]




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            APPENDIX A – GLOSSARY OF ACOUSTIC TERMS
            The following is a brief description of the technical terms used to describe traffic noise to assist in understanding the
            technical issues presented in this document.


            Event maximum sound pressure level (LA%,adj,T), Lmax L01
            The “Lmax” level is the loudest sample within a measurement period; while the “L01” level is calculated as the noise level
            equalled and exceeded for 1% of the measurement time, for example 9 seconds in any 15 minute interval. The Lmax and
            L01 descriptors are appropriate to characterise single events, such as from impulsive or distinctive pass-by noise. However
            the L01 descriptor provides a better picture of recurring discrete noise events as it removes anomalies from the data (e.g.
            bird calls close to the microphone). Both of these level can be adjusted for tonality or impulsiveness.


            Average maximum sound pressure level (LA%,adj, T), L10
            The “L10” level is an indicator of “steady-state” noise or intrusive noise conditions from traffic, music and other relatively
            non-impulsive noise sources. The L10 level is calculated as the noise level equalled and exceeded for 10% the
            measurement time, for example 90 seconds in any 15 minute interval. The measured L10 time-intervals for
            day/evening/night are arithmetically averaged to present the “average maximum” levels of the environment for
            day/evening/night. The level can be adjusted for tonality or impulsiveness.


            Background sound pressure level (LA90,T), L90
            Commonly called the "L90" or "background" level and is an indicator of the quietest times of day, evening or night. The
            L90 level is calculated as the noise level equalled and exceeded for 90% the measurement time. The measured L90 time-
            intervals are arithmetically averaged to present the “average background” levels of the environment for day/evening/night.
            The level is recorded in the absence of any noise under investigation. The level is not adjusted for tonality or
            impulsiveness.


            Equivalent Continuous or time average sound pressure level (LAeq,T), Leq
            Commonly called the "Leq" level it is the logarithmic average noise level from all sources far and near. The maximum 1-
            hour levels within the day/evening/night time intervals are referenced for building design. The level can be adjusted for
            tonality.


            Rated Background Level, RBL
            The Rated Background Level is the overall single-figure background level representing each assessment period
            (day/evening/night) over the whole monitoring period.


            Free-field level
            A sound level that is measured at a distance of more than 3.5 metres from a wall or facade.




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            APPENDIX B – DEVELOPMENT PLANS




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            APPENDIX C – SOUNDPLAN MODELLING DATA
            Point Receivers




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            Sources used in Modelling




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            LAMax calculations


              Receiver        Usage          Fl          Dir       Lmax,Lim dB(A)   Lmax dB(A)
                R01            GR            GF           S              50             34
                R01            GR           1.FL          S              50            39.2
                R02            GR            GF           E              50            34.7
                R02            GR           1.FL          E              50            38.3
                R03            GR            GF          NW              50            35.9
                R03            GR           1.FL         NW              50             41
                R04            GR            GF          SW              50            38.3
                R04            GR           1.FL         SW              50            47.9
                R05            GR            GF           SE             50            33.6
                R05            GR           1.FL         SE              50            35.9
                R06            GR            GF           W              50             33
                R06            GR           1.FL         W               50            35.3
                R07            GR            GF           S              50            34.1
                R07            GR           1.FL          S              50             36
                R08            GR            GF           SE             50            35.1
                R08            GR           1.FL         SE              50            38.3
                R09            GR            GF           W              50            35.4
                R09            GR           1.FL         W               50            38.3
                R10            GR            GF           S              50            34.3
                R10            GR           1.FL          S              50            38.5
                R11            GR            GF           E              50            35.1
                R11            GR           1.FL          E              50            38.4
                R12            IA            GF           E              n/a           54.3
                R12            IA           1.FL          E              n/a           59.4
                R13            IA            GF           N              n/a           52.9
                R13            IA           1.FL          N              n/a           52.8
                R14            IA            GF           N              n/a           53.5
                R14            IA           1.FL          N              n/a           53.5
                R15            IA            GF           N              n/a           53.7
                R15            IA           1.FL          N              n/a           53.7
                R16            IA            GF           N              n/a           53.4
                R16            IA           1.FL          N              n/a           53.4
                R17            GR            GF           N              50            44.1
                R17            GR           1.FL          N              50            48.3
                R18            GR            GF           N              50            40.7
                R18            GR           1.FL          N              50            45.1
                R19            GR            GF           N              50             35
                R19            GR           1.FL          N              50            40.1
                R20            GR            GF          NE              50            38.3
                R20            GR           1.FL         NE              50            40.5
                R21            GR            GF          NE              50            42.6
                R21            GR           1.FL         NE              50            43.1




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