environmental noise impact report -...

Wind Farm Collie Hill

Environmental Noise Impact Report

Prepared by:

Prepared for:

Wind Farm Collie Hill


DRAFT

Prepared by: M.K. Ince and Associates Ltd.

Prepared for: Wind Farm Collie Hill LP

November 16, 2012


Wind Farm Collie Hill Environmental Noise Impact Report

M.K. Ince and Associates Ltd. i November 16, 2012

Table of Contents

1 INTRODUCTION ............................................................................................................................................. 2

2 GENERAL DESCRIPTION OF PROJECT SITE AND SURROUNDINGS ................................................................... 3

2.1 WIND PARK LOCATION ....................................................................................................................................... 3 2.2 ZONING ........................................................................................................................................................... 3

2.3 POINTS OF RECEPTION (POR) ............................................................................................................................. 3

2.4 TOPOGRAPHY ................................................................................................................................................... 3

3 DESCRIPTION OF RECEPTORS ......................................................................................................................... 5

3.1 WIND FARM COLLIE HILL NOISE RECEPTORS .......................................................................................................... 5

3.1.1 Nearby Residences and Vacant Lots .................................................................................................... 5

3.2 NOISE LIMIT CLASSIFICATIONS ............................................................................................................................. 5 3.3 COMBINED IMPACT ........................................................................................................................................... 8

3.4 RECEPTOR AND CALCULATION ASSUMPTIONS ......................................................................................................... 8

4 DESCRIPTION OF SOURCES ............................................................................................................................ 9

4.1 WIND TURBINE DESCRIPTION .............................................................................................................................. 9 4.2 TRANSFORMERS ................................................................................................................................................ 9

4.3 WIND FARM LAYOUT ......................................................................................................................................... 9

5 WIND TURBINE NOISE EMISSION RATING ................................................................................................... 10

5.1 TONALITY ...................................................................................................................................................... 11

5.2 IMPULSIVITY ................................................................................................................................................... 11

5.3 OCTAVE BAND DATA ........................................................................................................................................ 11

5.4 TRANSFORMER NOISE ...................................................................................................................................... 11

6 IMPACT ASSESSMENT .................................................................................................................................. 13

6.1 CALCULATED NOISE LEVELS ............................................................................................................................... 13

6.2 MITIGATION MEASURES ................................................................................................................................... 19

7 CONCLUSIONS AND RECOMMENDATIONS .................................................................................................. 20

8 QUALIFICATIONS AND LIMITATIONS ........................................................................................................... 21

Table of Tables TABLE 3-1: POINT OF RECEPTION DESCRIPTIONS AND LOCATIONS ........................................................................................... 6

TABLE 3-2: PARTICIPATING RECEPTOR LOCATIONS AND DESCRIPTIONS ..................................................................................... 8

TABLE 4-1: WIND TURBINE AND TRANSFORMER SUBSTATION LOCATIONS ................................................................................ 9 TABLE 5-1: WIND TURBINE ACOUSTIC EMISSIONS SUMMARY ............................................................................................... 10

TABLE 5-2: TRANSFORMER ACOUSTIC EMISSIONS SUMMARY ............................................................................................... 12

TABLE 6-1: WIND TURBINE NOISE IMPACT SUMMARY ........................................................................................................ 15

TABLE 6-2: WIND TURBINE NOISE IMPACT SUMMARY – PARTICIPATING RECEPTORS ................................................................ 18

Table of Figures FIGURE 2-1: TURBINE LAYOUT MAP .................................................................................................................................. 4

FIGURE 6-1: NOISE LINES WITH ALL RECEPTORS AND TURBINES (6 – 10 M/S) ......................................................................... 14


M.K. Ince and Associates Ltd. 2 November 16, 2012

1 INTRODUCTION

M. K. Ince and Associates Ltd. (MKI) was retained by Wind Farm Collie Hill LP to prepare an

environmental noise impact assessment for the proposed 5.4 MW Wind Farm Collie Hill (the Project) in

the township of Asphodel-Norwood, Ontario. This project will be composed of three (3) REpower

MM100 turbines, with a manufacturer rated sound power level of 104.8 dB(A).

This report has been prepared in accordance with the Ministry of the Environment publication entitled

Noise Guidelines for Wind Farms dated October 2008, as referenced in O.Reg. 359/09.

This report includes the following as required by the publication of the Ministry of the Environment

entitled Noise Guidelines for Wind Farms dated October 2008:

a) Outline all points of reception within 2 km of the nearest wind turbine.

b) Outline and define the noise area classification of all points of reception.

c) Summarize background information on noise calculation method and parameters.

d) Provide a summary table of the level of noise at all points of reception within 1500 m at a range of

wind speeds, as predicted by the required ISO 9613-2 (Acoustics - Attenuation of sound during

propagation outdoors) method.

e) Provide a map of the project area with the turbine layout, noise receptors, and noise contour lines

for a wind speed of 6 m/s at 10 m height. The noise contours were presented for 6 m/s since for

this project, in order to take into account wind shear in a conservative manner, the worst-case

turbine sound power level was assumed for all wind speeds.

The noise level limit at any point of reception within 1500 m, specified by the Ministry of the

Environment in the documents described above, is 40 dB(A) at wind speeds of 6 m/s.



2 GENERAL DESCRIPTION OF PROJECT SITE AND SURROUNDINGS

2.1 Wind Park Location

The proposed wind park location is in the township of Asphodel-Norwood, Ontario, near the community

of Hastings.

The project will consist of 3 REpower MM100 wind turbines, with a project nameplate capacity of 5.4

MW. The turbines will be equipped with transformers at each base, and will be installed on 100 metre

towers. Figure 6-1 defines the project area, location of proposed turbines and nearby noise receptors.

Receptor coordinates can be found in Table 3-1. Wind turbine coordinates can be found in Table 4-1.

2.2 Zoning

The Official Plan for the township of Asphodel-Norwood designates the project area for the Wind Farm

Collie Hill as restricted agricultural and rural. Zoning maps are provided in Appendix A. Zoning maps

were used to assist in establishing the locations of vacant lot points of reception.

2.3 Points of Reception (POR)

Points of reception within a 1.5 km radius of any turbine are outlined and defined in Section 3. UTM

coordinates are given in Table 3-1. All points of reception are either one or two storey residences, or

vacant lots.

2.4 Topography

The wind park is located in an area composed of rolling hills, with elevation varying from 190 m to

270 m at the peak of some hills in the area. Several woodlots exist throughout the area, but the majority of

the land is agricultural. The vast majority of the ground surface in the project area is covered by porous

soil and seasonal crops.



Figure 2-1: Turbine Layout Map



3 DESCRIPTION OF RECEPTORS

3.1 Wind Farm Collie Hill Noise Receptors

The noise level calculations in this report include all homes or points of reception (receptors) within 1,500

metres of a wind turbine belonging to the project. The locations of all receptors up to 2,000 m away from

any wind turbine location are depicted in Figure 6-1, or Table 3-1.

3.1.1 Nearby Residences and Vacant Lots

A list of all receptors surrounding the Project was compiled by M. K. Ince and Associates using Ontario

Base Map data, satellite and aerial photography, and site visits. Lot boundaries were used to add receptors

for vacant lots. Vacant lots were modeled as points at locations consistent with local development

(required by the Noise Guidelines for Wind Farms, Ministry of the Environment, October 2008).

Where large clusters of receptors were identified, to simplify the readability of this report they were

grouped into area receptors. For the analysis, the point of the area nearest to the proposed turbines was

used as the actual point of computation.

There are two participating receptors associated with the Project.

Table 3-1 provides descriptions and locations for all receptors included in the analysis. Some receptors

are single or two storey buildings, others are assumed two storey buildings on vacant lots, and others are

area receptors. All receptors other than area receptors were modeled as points 4.5 m above the ground at

the centre of the residence (or assumed residences on vacant lots). This is the modeling required for two

storey residences in Section 6.3.1 of Noise Guidelines for Wind Farms (Ministry of the Environment,

October 2008). The modeling required for two storey residences is more stringent than that required for

single storey residences, so using the above modeling for all points is conservative. For area receptors, the

point of the area closest to the proposed turbines was modeled as a two storey residence.

3.2 Noise Limit Classifications

The acoustical characteristics surrounding the project area are consistent with that of a Class 3 Area as

defined by the publication NPC 232 required by Noise Guidelines for Wind Farms (Ministry of the

Environment, October 2008). A Class 3 Area is a rural area with an acoustical environment that is

dominated by natural sounds with little to no road traffic. All receptors have been classified as lying in a

Class 3 Area.



Table 3-1: Point of Reception Descriptions and Locations

Point of Reception UTM Coordinates (NAD83)

ID Label Description Easting Northing

B R001 Residence 738,446 4,909,058

D A001 Area Receptor - Maguire Road 739,249 4,908,759

E A002 Area Receptor - River Road and 6th Line 740,154 4,909,030

F A003 Area Receptor - Riverview Drive 739,554 4,908,002

G A004 Area Receptor - Trentwood Estates Road 740,300 4,908,558

H A008 Area Receptor - Shady Point Lane 738,008 4,907,759

I R002 Residence 739,180 4,910,533

J R003 Residence 738,348 4,910,102

K R004 Residence 739,200 4,910,438

L R005 Residence 739,296 4,910,476

M R006 Residence 739,522 4,908,929

N R007 Residence 737,971 4,911,114

O R008 Residence 739,448 4,911,111

P R009 Residence 739,500 4,910,754

Q R010 Residence 737,868 4,909,702

R R011 Residence 739,584 4,910,112

S R013 Residence 739,184 4,911,618

T R014 Residence 737,739 4,909,973

U R015 Residence 738,110 4,908,785

V R017 Residence 738,881 4,911,838

W R018 Residence 739,986 4,909,164

X R019 Residence 737,968 4,911,589

Y R020 Residence 738,476 4,908,520

Z R021 Residence 739,964 4,909,899

AA R022 Residence 738,943 4,908,356

AB R023 Residence 740,052 4,909,171

AC R024 Residence 737,533 4,910,842

AD R025 Residence 739,724 4,910,376

AE R027 Residence 738,825 4,912,109

AF R028 Residence 737,368 4,909,818

AG R029 Residence 737,348 4,909,709

AH R030 Residence 737,632 4,908,595

AI R031 Residence 740,113 4,910,749

AJ R033 Residence 739,764 4,908,220

AK R034 Residence 737,342 4,908,908

AL R035 Residence 737,282 4,908,806

AM R037 Residence 738,615 4,912,588

AN R040 Residence 736,915 4,910,478





AO R041 Residence 736,865 4,909,385

AP R042 Residence 736,854 4,909,345

AQ R043 Residence 740,337 4,911,761

AR R044 Residence 737,357 4,908,197

AS R045 Residence 740,596 4,911,016

AT R047 Residence 739,175 4,908,562

AU R048 Residence 740,185 4,908,997

AV R049 Residence 739,553 4,907,984

AW R050 Residence 740,331 4,908,512

AX R051 Residence 737,927 4,907,718

AY R052 Residence 737,179 4,909,077

AZ R053 Residence 737,167 4,909,125

BA R054 Residence 736,832 4,910,252

BB R055 Residence 738,738 4,912,327

BC R056 Residence 739,777 4,908,985

BD R057 Residence 737,707 4,912,361

BE V001 Vacant Lot 738,817 4,908,881

BF V002 Vacant Lot 739,145 4,911,385

BG V003 Vacant Lot 738,905 4,908,665

BH V004 Vacant Lot 739,306 4,911,240

BI V005 Vacant Lot 739,725 4,909,858

BJ V006 Vacant Lot 738,152 4,908,800

BK V007 Vacant Lot 739,900 4,910,722

BL V008 Vacant Lot 736,937 4,909,658

BM V009 Vacant Lot 737,227 4,909,773

BN V010 Vacant Lot 740,826 4,909,219

BO V011 Vacant Lot 740,156 4,909,082

BP V012 Vacant Lot 740,029 4,909,455

BQ V013 Vacant Lot 740,803 4,909,300

BR V014 Vacant Lot 739,096 4,911,844

BS V015 Vacant Lot 738,984 4,912,130

BT V016 Vacant Lot 738,867 4,912,370

BU V017 Vacant Lot 738,840 4,912,459

BV V018 Vacant Lot 737,868 4,911,810

BW V020 Vacant Lot 738,997 4,911,785

BX V021 Vacant Lot 739,498 4,908,921

BY V022 Vacant Lot 738,964 4,908,350

BZ V023 Vacant Lot 739,442 4,907,544

CA V025 Vacant Lot 739,387 4,907,518



Table 3-2: Participating Receptor Locations and Descriptions



A P001 Participating Receptor 738,729 4,909,910

C P002 Participating Receptor 738,438 4,910,246

3.3 Combined Impact

Noise levels at receptors must be modeled incorporating the impacts of all turbines within 5,000 m, as

required by the Noise Guidelines for Wind Farms (Ministry of the Environment, October 2008).

According to the most current information that was available at the time of reporting, no other wind farms

are located within this distance of receptors being considered in this report.

3.4 Receptor and Calculation Assumptions

Noise levels at potential receptors are predicted with the ISO 9613-2 calculation method Acoustics –

Attenuation of sound during propagation outdoors. This method accounts for site geometry, atmospheric

conditions, and terrain type. For this calculation several assumptions are made:

� No noise obstacles such as specific buildings, cliffs, or vegetation are used.

� Atmospheric conditions for least impeded noise propagation are used.

� No meteorological correction factor is used.

� A ground factor of 0.7 is used for surrounding terrain.

� Receptors are 4.5 m off the ground.

� Receptors are at the centre of the residence, as specified in the Ministry of the Environment Noise

Guidelines for Wind Farms document.

� For area receptors, a residence is assumed at the point closest to the proposed turbines.

� The turbines could generate the maximum guaranteed sound power level at any wind speed as

measured 10 m above the ground.

A detailed discussion of wind turbine noise emissions can be found in Section 5 of this document. Sample

calculations are provided in Appendix B.

These assumptions result in conservative modeling of noise attenuation. These assumptions are all in

accordance with the publication of the Ministry of the Environment entitled Noise Guidelines for Wind

Farms dated October 2008, as referenced in O.Reg. 359/09.



4 DESCRIPTION OF SOURCES

4.1 Wind Turbine Description

The REpower MM100 turbine proposed for use in the Wind Farm Collie Hill is a horizontal axis turbine

with a three-bladed, 100 m diameter upwind rotor. The turbines will be mounted at a hub height of

100 metres. The turbines are gearless with active yaw and pitch regulation. They have synchronous

generators and operate at rotational speeds between 7.8 and 13.9 rpm.

Appendix C provides the general specifications for the REpower MM100 wind turbine.

4.2 Transformers

Each turbine will be equipped with a transformer at the base. These transformers step up the 0.575 kV

turbine voltage to an intermediate voltage of 27.6 kV. Lines at this intermediate voltage will transmit

power from the transformers to the Project’s substation. These transformers are assumed to have a

negligible noise impact and have not been included in the modeling.

The substation contains a transformer that steps up the intermediate voltage of 27.6 kV to 44 kV. The

exact model of this transformer has not been selected yet. A conservative sound power level was

assumed; further details are presented in Section 5.4. The proponent will ensure that the selected model

will have octave band sound power levels below those specified in this report.

4.3 Wind Farm Layout

Wind turbine descriptions and locations for the Wind Farm Collie Hill are included in Table 4-1. A map

illustrating the wind park layout is shown as Figure 2-1.

Table 4-1: Wind Turbine and Transformer Substation Locations

Project Name: Wind Farm Collie Hill

Identifier Equipment Make and Model UTM Coordinates (NAD83)

Remarks X Y

T1 REpower MM100 1.8 MW, 100 m hub

height

738,691 4,910,833

Wind Farm

Collie Hill


height

738,983 4,909,435


height

738,672 4,909,565

Substation 27.6 kV : 44 kV, 10 MVA transformer 738,685 4,910,121



5 WIND TURBINE NOISE EMISSION RATING

The noise emission data for the REpower MM100 was provided by REpower. Table 5-1 summarizes the

acoustic emission information for the turbines, including the guaranteed sound power levels provided by

the turbine manufacturer. Appendix C contains the turbine specifications provided by REpower.

In order to take the wind shear into account in a conservative manner, the manufacturer’s maximum

emission level was assumed for all wind speeds for the adjusted emission level.

Repower has not provided octave band information corresponding to the 104.8 dB(A) maximum sound

power level. The noise emission data for the REpower MM100 was generated by WindPRO 2.8 based on

typical spectra observed at modern wind turbines. Table 5-1 summarizes the acoustic emission

information for the turbines, including the guaranteed sound power levels provided by the turbine

manufacturer.

Table 5-1: Wind Turbine Acoustic Emissions Summary

Make and Model: REpower MM100

Electrical Rating: 1.8 MW

Hub Height (m): 100

Wind shear coefficient: Conservatively high

Octave Band Sound Power Level (dB)

Manufacturer's Emission Levels

Adjusted Emission Levels

Wind Speed (m/s) 6 7 8 9 10 6 7 8 9 10

Frequency (Hz)

63 112.6 112.6 112.6 112.6 112.6 112.6 112.6 112.6 112.6 112.6

125 99.4 99.4 99.4 99.4 99.4 99.4 99.4 99.4 99.4 99.4

250 95.4 95.4 95.4 95.4 95.4 95.4 95.4 95.4 95.4 95.4

500 102.6 102.6 102.6 102.6 102.6 102.6 102.6 102.6 102.6 102.6

1000 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2 99.2

2000 85.1 85.1 85.1 85.1 85.1 85.1 85.1 85.1 85.1 85.1

4000 90.5 90.5 90.5 90.5 90.5 90.5 90.5 90.5 90.5 90.5

8000 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1

A-weighted 104.8 104.8 104.8 104.8 104.8 104.8 104.8 104.8 104.8 104.8



5.1 Tonality

Tonality refers to higher levels of noise emitted from a narrow band of frequencies. Most modern turbines

do not have a perceptible tonal quality associated with their noise emissions. MOE rules state that if

significant tonality is associated with wind turbine noise emissions a noise penalty may be applied. No

tonality penalty has been applied in this analysis.

5.2 Impulsivity

Impulsivity refers to short bursts of noise, such as those created by hammering. Impulsive noise is

generally not associated with modern wind turbines, and no impulsivity penalty has been applied in this

analysis.

5.3 Octave Band data

As discussed in Section 5, Repower has not provided octave band information corresponding to the 104.8

dB(A) maximum sound power level. The noise emission data for the REpower MM100 was generated by

WindPRO 2.8 based on typical spectra observed at modern wind turbines. The octave band data used in

this analysis is provided in Table 5-1.

5.4 Transformer Noise

Transformers will be installed at the base of each turbine to bring the voltage from 0.575 kV as generated

at the turbine to 27.6 kV. The noise emitted by transformers of this size is negligible and has not been

included in this assessment.

As described in Section 4.2 above, the substation transformer, which will step up the voltage from 27.6

kV to 44 kV, will be modeled based on a typical transformer noise spectrum, as the exact model has not

been selected yet. The substation transformer has been modeled using a typical transformer octave band

spectrum corresponding to a supply frequency of 60 Hz, and scaled to correspond to a sum of 79 dB(A),

plus a 5 dB tonality penalty, for a total of 84 dB(A). These assumptions for the total sound power levels

are well above the corresponding CAN/CSA-C88-M90 standard for transformers of this voltage and

power rating, and therefore this estimated total is conservative.

The final design will include a transformer with a noise output equal to or below those assumed here.

Design details for the selected transformer will be submitted to the Ministry of the Environment once they

are available.



Table 5-2: Transformer Acoustic Emissions Summary

Make and Model: Generic Transformer Model

Electrical Rating: 44 kV output, 10 MVA

Emission Height (m): 2 m

Octave Band Sound Power Level

Sound

Power

Levels (dB)

+5 dB

Tonality

Penalty

dBA

Conversion

Total Sound

Power

Levels

(dBA)

Frequency (Hz)

63 66.7 71.7 -26.2 45.5

125 82.5 87.5 -16.0 71.4

250 80.4 85.4 -8.6 76.8

500 80.1 85.1 -3.2 81.9

1000 69.3 74.3 0 74.3

2000 60.9 65.9 +1.2 67.1

4000 50.7 55.7 +1.0 56.7

8000 49.6 54.6 -1.1 53.5

A-weighted sum 79 84 84



6 IMPACT ASSESSMENT

6.1 Calculated Noise Levels Calculated noise levels for each receptor are listed in Table 6-1, along with comparisons to the Ministry

of the Environment noise limit at each wind speed evaluated. Additional details are included in Appendix

D. Figure 6-1 below shows noise isolines indicated on a map along with all receptors and wind turbines.

These isolines are based on the octave band for 7 m/s, which had the highest sound power levels. All

noise levels at receptors are calculated using the conservative parameters described in this report and are

within MOE noise emission limits for all wind speeds.

Distances shown are the shortest horizontal distances from the source to the centre point of the

residence.



Figure 6-1: Noise Lines with all Receptors and Turbines (6 – 10 m/s)



Table 6-1: Wind Turbine Noise Impact Summary

Point of Reception Height

Distance to

Nearest

Turbine (m)

Nearest

Turbine

ID

Calculated Sound Levels at

Selected Wind Speeds (dB(A))

Ministry of the Environment

Sound Level Limit (dB(A))

ID Label Description 6 7 8 9 10 6 7 8 9 10

B R001 Residence 4.5 m 555 T3 39.8 39.8 39.8 39.8 39.8 40 43 45 49 51

D A001

Area Receptor

- Maguire

Road

4.5 m 726 T2 36.6 36.6 36.6 36.6 36.6 40 43 45 49 51

E A002

Area Receptor

- River Road

and 6th Line

4.5 m 1239 T2 31.4 31.4 31.4 31.4 31.4 40 43 45 49 51

F A003

Area Receptor

- Riverview

Drive

4.5 m 1543 T2 29.2 29.2 29.2 29.2 29.2 40 43 45 49 51

G A004

Area Receptor

- Trentwood

Estates Road

4.5 m 1582 T2 28.8 28.8 28.8 28.8 28.8 40 43 45 49 51

H A008

Area Receptor

- Shady Point

Lane

4.5 m 1924 T3 27.4 27.4 27.4 27.4 27.4 40 43 45 49 51

I R002 Residence 4.5 m 574 T1 38.6 38.6 38.6 38.6 38.6 40 43 45 49 51

J R003 Residence 4.5 m 627 T3 39.2 39.2 39.2 39.2 39.2 40 43 45 49 51

K R004 Residence 4.5 m 644 T1 38.2 38.2 38.2 38.2 38.2 40 43 45 49 51

L R005 Residence 4.5 m 702 T1 37.3 37.3 37.3 37.3 37.3 40 43 45 49 51

M R006 Residence 4.5 m 739 T2 36.3 36.3 36.3 36.3 36.3 40 43 45 49 51

N R007 Residence 4.5 m 773 T1 35 35 35 35 35 40 43 45 49 51

O R008 Residence 4.5 m 806 T1 34.7 34.7 34.7 34.7 34.7 40 43 45 49 51

P R009 Residence 4.5 m 813 T1 35.3 35.3 35.3 35.3 35.3 40 43 45 49 51

Q R010 Residence 4.5 m 816 T3 35.9 35.9 35.9 35.9 35.9 40 43 45 49 51

R R011 Residence 4.5 m 905 T2 35.9 35.9 35.9 35.9 35.9 40 43 45 49 51

S R013 Residence 4.5 m 927 T1 33.1 33.1 33.1 33.1 33.1 40 43 45 49 51

T R014 Residence 4.5 m 1018 T3 34.3 34.3 34.3 34.3 34.3 40 43 45 49 51

U R015 Residence 4.5 m 961 T3 34.5 34.5 34.5 34.5 34.5 40 43 45 49 51




Distance to

Nearest

Turbine (m)

Nearest

Turbine

ID






V R017 Residence 4.5 m 1023 T1 32 32 32 32 32 40 43 45 49 51

W R018 Residence 4.5 m 1039 T2 33.1 33.1 33.1 33.1 33.1 40 43 45 49 51

X R019 Residence 4.5 m 1046 T1 31.9 31.9 31.9 31.9 31.9 40 43 45 49 51

Y R020 Residence 4.5 m 1046 T2 34.1 34.1 34.1 34.1 34.1 40 43 45 49 51

Z R021 Residence 4.5 m 1085 T2 33.4 33.4 33.4 33.4 33.4 40 43 45 49 51

AA R022 Residence 4.5 m 1080 T2 33.1 33.1 33.1 33.1 33.1 40 43 45 49 51

AB R023 Residence 4.5 m 1101 T2 32.6 32.6 32.6 32.6 32.6 40 43 45 49 51

AC R024 Residence 4.5 m 1158 T1 31.8 31.8 31.8 31.8 31.8 40 43 45 49 51

AD R025 Residence 4.5 m 1130 T1 34.1 34.1 34.1 34.1 34.1 40 43 45 49 51

AE R027 Residence 4.5 m 1283 T1 29.8 29.8 29.8 29.8 29.8 40 43 45 49 51

AF R028 Residence 4.5 m 1328 T3 31.5 31.5 31.5 31.5 31.5 40 43 45 49 51

AG R029 Residence 4.5 m 1332 T3 31.4 31.4 31.4 31.4 31.4 40 43 45 49 51

AH R030 Residence 4.5 m 1422 T3 30.4 30.4 30.4 30.4 30.4 40 43 45 49 51

AI R031 Residence 4.5 m 1424 T1 30.7 30.7 30.7 30.7 30.7 40 43 45 49 51

AJ R033 Residence 4.5 m 1444 T2 29.8 29.8 29.8 29.8 29.8 40 43 45 49 51

AK R034 Residence 4.5 m 1483 T3 29.9 29.9 29.9 29.9 29.9 40 43 45 49 51

AL R035 Residence 4.5 m 1584 T3 29.2 29.2 29.2 29.2 29.2 40 43 45 49 51

AM R037 Residence 4.5 m 1757 T1 26.5 26.5 26.5 26.5 26.5 40 43 45 49 51

AN R040 Residence 4.5 m 1811 T1 28.3 28.3 28.3 28.3 28.3 40 43 45 49 51

AO R041 Residence 4.5 m 1816 T3 28 28 28 28 28 40 43 45 49 51

AP R042 Residence 4.5 m 1831 T3 27.9 27.9 27.9 27.9 27.9 40 43 45 49 51

AQ R043 Residence 4.5 m 1890 T1 26.5 26.5 26.5 26.5 26.5 40 43 45 49 51

AR R044 Residence 4.5 m 1898 T3 27.4 27.4 27.4 27.4 27.4 40 43 45 49 51

AS R045 Residence 4.5 m 1914 T1 27.4 27.4 27.4 27.4 27.4 40 43 45 49 51

AT R047 Residence 4.5 m 894 T2 34.7 34.7 34.7 34.7 34.7 40 43 45 49 51

AU R048 Residence 4.5 m 1279 T2 31.1 31.1 31.1 31.1 31.1 40 43 45 49 51

AV R049 Residence 4.5 m 1559 T2 29.1 29.1 29.1 29.1 29.1 40 43 45 49 51

AW R050 Residence 4.5 m 1634 T2 28.5 28.5 28.5 28.5 28.5 40 43 45 49 51

AX R051 Residence 4.5 m 1992 T3 27 27 27 27 27 40 43 45 49 51

AY R052 Residence 4.5 m 1571 T3 29.4 29.4 29.4 29.4 29.4 40 43 45 49 51




Distance to

Nearest

Turbine (m)

Nearest

Turbine

ID






AZ R053 Residence 4.5 m 1568 T3 29.4 29.4 29.4 29.4 29.4 40 43 45 49 51

BA R054 Residence 4.5 m 1948 T1 28 28 28 28 28 40 43 45 49 51

BB R055 Residence 4.5 m 1495 T1 28.2 28.2 28.2 28.2 28.2 40 43 45 49 51

BC R056 Residence 4.5 m 913 T2 34.3 34.3 34.3 34.3 34.3 40 43 45 49 51

BD R057 Residence 4.5 m 1817 T1 26.3 26.3 26.3 26.3 26.3 40 43 45 49 51

BE V001 Vacant Lot 4.5 m 578 T2 39.3 39.3 39.3 39.3 39.3 40 43 45 49 51

BF V002 Vacant Lot 4.5 m 715 T1 35.6 35.6 35.6 35.6 35.6 40 43 45 49 51

BG V003 Vacant Lot 4.5 m 774 T2 36.4 36.4 36.4 36.4 36.4 40 43 45 49 51

BH V004 Vacant Lot 4.5 m 737 T1 35.4 35.4 35.4 35.4 35.4 40 43 45 49 51

BI V005 Vacant Lot 4.5 m 854 T2 35.7 35.7 35.7 35.7 35.7 40 43 45 49 51

BJ V006 Vacant Lot 4.5 m 925 T3 34.9 34.9 34.9 34.9 34.9 40 43 45 49 51

BK V007 Vacant Lot 4.5 m 1214 T1 32.1 32.1 32.1 32.1 32.1 40 43 45 49 51

BL V008 Vacant Lot 4.5 m 1737 T3 28.6 28.6 28.6 28.6 28.6 40 43 45 49 51

BM V009 Vacant Lot 4.5 m 1460 T3 30.5 30.5 30.5 30.5 30.5 40 43 45 49 51

BN V010 Vacant Lot 4.5 m 1856 T2 27.4 27.4 27.4 27.4 27.4 40 43 45 49 51

BO V011 Vacant Lot 4.5 m 1225 T2 31.5 31.5 31.5 31.5 31.5 40 43 45 49 51

BP V012 Vacant Lot 4.5 m 1046 T2 33.2 33.2 33.2 33.2 33.2 40 43 45 49 51

BQ V013 Vacant Lot 4.5 m 1825 T2 27.6 27.6 27.6 27.6 27.6 40 43 45 49 51

BR V014 Vacant Lot 4.5 m 1089 T1 31.5 31.5 31.5 31.5 31.5 40 43 45 49 51

BS V015 Vacant Lot 4.5 m 1330 T1 29.4 29.4 29.4 29.4 29.4 40 43 45 49 51

BT V016 Vacant Lot 4.5 m 1547 T1 27.9 27.9 27.9 27.9 27.9 40 43 45 49 51

BU V017 Vacant Lot 4.5 m 1633 T1 27.3 27.3 27.3 27.3 27.3 40 43 45 49 51

BV V018 Vacant Lot 4.5 m 1277 T1 29.9 29.9 29.9 29.9 29.9 40 43 45 49 51

BW V020 Vacant Lot 4.5 m 1000 T1 32.3 32.3 32.3 32.3 32.3 40 43 45 49 51

BX V021 Vacant Lot 4.5 m 728 T2 36.4 36.4 36.4 36.4 36.4 40 43 45 49 51

BY V022 Vacant Lot 4.5 m 1085 T2 33.1 33.1 33.1 33.1 33.1 40 43 45 49 51

BZ V023 Vacant Lot 4.5 m 1946 T2 26.7 26.7 26.7 26.7 26.7 40 43 45 49 51

CA V025 Vacant Lot 4.5 m 1959 T2 26.7 26.7 26.7 26.7 26.7 40 43 45 49 51



Table 6-2: Wind Turbine Noise Impact Summary – Participating Receptors


Distance to

Nearest

Turbine (m)

Nearest

Turbine

ID





A P001 Participating

Receptor 4.5 m 350 T3 43.6 43.6 43.6 43.6 43.6 - - - - -

G P002 Participating

Receptor 4.5 m 639 T1 39.4 39.4 39.4 39.4 39.4 - - - - -



6.2 Mitigation Measures

Based on the results of the Noise Study, all receptors are conservatively predicted to experience wind

turbine noise levels within the lowest MOE limit of 40 dB(A). No mitigation measures are recommended

by MKI.



7 CONCLUSIONS AND RECOMMENDATIONS

When modeled according to the ISO 9613-2 method Acoustics – attenuation of sound during propagation

outdoors, all noise levels at points of reception in the vicinity of the Wind Farm Collie Hill are predicted

to be within the most restrictive MOE noise level limit of 40 dB(A).

Conservative assumptions have been selected for the turbine noise emission level, point of reception

height, and atmospheric conditions. In addition, the presence of sound impeding obstacles was not

modeled. Therefore the results of the calculations performed for this report are considered to be

conservative.



8 QUALIFICATIONS AND LIMITATIONS

M. K. Ince & Associates Ltd. has prepared this report in accordance with its proposal and information

provided by its Client. The information and analysis contained herein is for the sole benefit of the Client

and save for regulatory review purposes may not be relied upon by any other person.

The contents of this report are based upon our understanding of information and reports prepared by

others, including Wind Farm Collie Hill LP and their consultants. While we may have referred to and

made use of this information and reporting, we assume no liability for the accuracy of this information.

MKI’s assessment was made in accordance with guidelines, regulations and procedures believed to be

current at this time. Changes in guidelines, regulations and enforcement policies can occur at any time

and such changes could affect the conclusions and recommendations of this report.


M.K. Ince and Associates Ltd. November 16, 2012

APPENDIX A

ZONING MAPS



APPENDIX B

SAMPLE CALCULATIONS

M. K. Ince and Associates Ltd. B1 November 16, 2012

Sample Calculations Calculations are shown for Receptor R001, which is the non-participating receptor with the highest

predicted sound power level. The nearest turbine is Turbine 3 which is 555 m away. These calculations

were performed using the maximum guaranteed noise level of 104.8 dB(A). Receptors were modeled as

point receptors 4.5 m above grade.

All values have been calculated in accordance with ISO 9613-2.

Noise levels are calculated by finding the attenuation values for each turbine at each frequency band and

applying the predicted attenuation to the turbine octave band sound emission values.

Illustrative calculations will be shown for Turbine 3 only. Turbine 3 is the closest turbine to Receptor

R001 (555 metres from the centre of the residence).

1 ASSUMPTIONS

Assumptions used in these calculations are the same as those used by WindPro 2.8, namely:

• Noise calculation model: ISO 9613-2 General

• Ground attenuation factor (G) = 0.7

• Meteorological coefficient (C0) = 0.0 dB

• Receptor is downwind of all turbines

• Turbine maximum guaranteed noise level of 103.2 dB(A)

• The REpower MM92 is an omnidirectional point sound source

• Temperature is 10oC

• Relative humidity is 70%

• Receptor is a point 4.5 m above grade at the centre of the residence

2 GENERAL EQUATION

From ISO 9613-2, equation (3), the equivalent continuous downwind sound pressure level at a receiver

location is given by:

LfT(DW)= LW+DC-A

Where LW is the turbine octave band sound power level, DC is the directivity correction, and A is the

octave band attenuation.

Wind Farm Collie Hill Appendix B Noise Modeling – Sample Calculations


3 OCTAVE BAND SOUND POWER LEVELS

Octave band sound power levels (LW) as assumed in these calculations, based on the maximum total

provided by REpower, are shown in Table 1 below. Octave band levels are already A-weighted. The

maximum sound power level provided by the manufacturer and identical octave band characteristics have

been assumed for all wind speeds.

Table 1: WindPro Generated Octave Band Sound Power Levels

Wind Speed at Height of 100 m (m/s)

6.0 7.0 8.0 9.0 10.0

Fre

qu

ency

(H

z)

63 86.4 86.4 86.4 86.4 86.4

125 93.4 93.4 93.4 93.4 93.4

250 96.8 96.8 96.8 96.8 96.8

500 99.4 99.4 99.4 99.4 99.4

1000 99.2 99.2 99.2 99.2 99.2

2000 96.3 96.3 96.3 96.3 96.3

4000 91.5 91.5 91.5 91.5 91.5

8000 82.0 82.0 82.0 82.0 82.0

Sum (dBA) 104.8 104.8 104.8 104.8 104.8

4 DIRECTIVITY CORRECTION

The turbine is assumed to be an omnidirectional point sound source radiating into free space. This means

that no directivity correction is needed (ie, DC = 0 dB).

5 OCTAVE BAND ATTENUATION

The formula for attenuation given as equation (4) in ISO 9613-2 is:

� � ��

Where:

• Adiv is the attenuation due to geometric divergence

• Aatm is the attenuation due to atmospheric absorption

• Agr is the attenuation due to the ground

• Abar is the attenuation due to barriers

• Amisc is the attenuation due to other effects



5.1 Attenuation due to Geometric Divergence

This term accounts for the attenuation due to the sound spreading out spherically from the point source.

The formula for this from ISO 9613-2 is given as:

• �� 20 �� 11 ��

Where d is the distance between the source and the receptor and d0 is the reference distance (1m).

For Turbine 3 at all frequencies, this attenuation was calculated as follows:

a) Calculate d (actual distance the sound travels from the turbine hub to the receptor):

� � �� !" #$� % � %!&"$'# #�#()%$�' * &#+#,%�& #$� % * &#+#,%�& #�#()%$�'�-� ��$.%)'+# /&�0 %!&"$'# ").# %� &#+#,%�&�-1� -2

� � 3�100 0 � 260.0 0 * 4.5 0 * 207.1 0�- � �555 0�-

� � 575 0

b) Calculate Adiv:

�� 20 �� 9 ��: � 11 �� 20 �� 9575 01 0 : � 11 �� 66.2 ��

5.2 Atmospheric Attenuation

This term accounts for the attenuation due to sound being absorbed by the air. The formula for this given

as equation (8) in ISO 9613-2 is:

�� ;�/1000

Where ; is the atmospheric attenuation coefficient in dB/km for each octave band at the midband

frequency and � is the distance between the source and receptor in metres. Air temperature of 10°C, and

relative humidity of 70% were chosen since these conditions represent the least atmospheric attenuation

of all possible values represented in ISO 9613-2. The values of α for these conditions given in Table 2 of

ISO 9613-2 are shown in



Table 2 below.



Table 2: Atmospheric Attenuation Coefficient values for 10°C and 70% RH (from ISO 9613-2,

Table 2)

Nominal Midband Frequency (Hz) 63 125 250 500 1000 2000 4000 8000

Atmospheric attenuation coefficient, α (dB/km) 0.1 0.4 1.0 1.9 3.7 9.7 32.8 117

For Turbine 3 at 63 Hz, this attenuation was calculated as follows:

Calculate Aatm:

�� ;�1000

�� 0.1�� =0⁄ ��575 0�10000 =0⁄

�� 0.057 ��

The calculations for the other frequencies are completed in the same manner.

5.3 Ground Attenuation

This term accounts for the attenuation due to sound being absorbed and reflected by the ground. The

formula for this given as equation (9) in ISO 9613-2 is:

��

Where:

• As is the attenuation due to the ground near the source

• Ar is the attenuation due to the ground near the receptor, and

• Am is the attenuation due to the ground between source and receptor

5.3.1 As

The formulae for calculating As vary depending on the nominal midband frequency. However, because of

the height of the source above the ground, many of the terms in these equations are negligible. The

calculations for Turbine 3 as described in ISO 9613-2 are as follows:

For 63 Hz: � � *1.5

For 125 Hz: � � *1.5 � ? @ )A� � � *1.5 � 0.7�1.5� � *0.45

For 250 Hz: � � *1.5 � ? @ "A� � � *1.5 � 0.7�1.5� � *0.45



For 500 Hz: � � *1.5 � ? @ +A� � � *1.5 � 0.7�1.5� � *0.45

For 1000 Hz: � � *1.5 � ? @ �A� � � *1.5 � 0.7�1.5� � *0.45

For 2000 Hz: � � *1.5 @ �1 * ?� � *0.45

For 4000 Hz: � � *1.5 @ �1 * ?� � *0.45

For 8000 Hz: � � *1.5 @ �1 * ?� � *0.45

5.3.2 Ar

The formulae for calculating Ar are very similar to those for As. In this case, since the receptor is only

4.5 m above the ground, the terms which were negligible in As become important. Including all these

calculations would be prohibitively long, so a few illustrative examples of calculations for Turbine 3 as

described in ISO 9613-2 are as shown below:

For 63 Hz:

�� *1.5

For 125 Hz:

�� *1.5 � ? @ )A� � �� *1.5 � ? @ �1.5 � 3.0 @ #C�.�-�DCE�F G1 * #C�HE�I � 5.7 @ #C�.�JDF�1 * #C-.K@��LM@�HF�� *1.5 � 0.7 @ �1.5 � 3.0 @ #C�.�-�N.ECE�F 91 * #CEEE E� : � 5.7 @ #C�.�J�N.E �F�1

* #C-.K@��LM@�EEE �F�� 1.59

For 1000 Hz:

�� *1.5 � ? @ �A� � �� *1.5 � ? @ P1.5 � 5.0 @ #C�.JDF G1 * #C�HE�IQ

�� *1.5 � 0.7 @ G1.5 � 5.0 @ #C�.J�N.E�F 91 * #CEEE E� :I

�� *0.45

For 8000 Hz:



�� *1.5 @ �1 * ?� � *1.5 @ �1 * 0.7� � *0.45

5.3.3 Am

Mid region ground attenuation is nonzero only if the distance between the source and receptor is greater

than 30 @ � RS��T � �T�TU�R�� (ISO 9613-2 Table 3). Turbine 3 is not sufficiently far away from

Receptor R001 to be nonzero.

6 SUMMARY TABLES

Table 3 summarizes the results of all calculations for the noise level at Receptor R001 from Turbine 3.

Table 3: Noise Effects of Turbine 3 on Receptor R001 for all wind speeds

Nom. Midband Freq.

63 Hz 125 Hz

250 Hz 500 Hz 1000 Hz 2000 Hz

4000 Hz

8000 Hz

Sum

LWfA 86.4 93.4 96.8 99.4 99.2 96.3 91.5 82.0 104.8

A

Adiv 66.2 66.2 66.2 66.2 66.2 66.2 66.2 66.2

Aatm 0.057 0.23 0.57 1.1 2.1 5.6 18.8 67.2

Agr -3 1.14 0.07 -0.9 -0.9 -0.9 -0.9 -0.9

As -1.5 -0.45 -0.45 -0.45 -0.45 -0.45 -0.45 -0.45

Ar -1.5 1.59 0.52 -0.45 -0.45 -0.45 -0.45 -0.45

Am 0 0 0 0 0 0 0 0

Abar 0 0 0 0 0 0 0 0

Amisc 0 0 0 0 0 0 0 0

LWfT 23.2 25.8 30.0 33.0 31.8 25.4 7.4 -50.5 37.4



Table 4 summarizes the results of the calculations for the noise level caused by all turbines at Receptor

R001.

Table 4: Noise Impact from all Turbines on Receptor R001

Turbine ID Noise Level (dB(A))

1 24.8

2 35.8

3 37.4

Substation 9.6

Total 39.8

WindPro 2.8 returned a predicted noise level of 39.8 dB(A).



APPENDIX C

REPOWER MM100 SPECIFICATIONS

Preliminary Power Curve & Sound Power Level

REpower MM100

[1.8MW]

Document-No.: SD-2.20-WT.PC.01-A-B-EN Page 1 of 9

Date of Release: 2011-05-11 ISO 16016 protective note to be attended-

The REguard Grid Station B in conjunction with the optional component REguard Power

Management can dynamically control the effective power The REguard Grid Station B in

conjunction with the optional component REguard Power Management can dynamically

control the effective power

Preliminary

Power Curve &

Sound Power Level

REpower MM100

[60Hz/1.8MW]


REpower MM100

[1.8MW]



REpower Systems AG

Überseering 10

D-22297 Hamburg

Germany

Phone.: +49 - 40 - 5555090 - 0

Fax: +49 - 40 - 5555090 – 3999

www.repower.de

Copyright © 2011 Repower Systems AG

All rights reserved.

Disclaimer (Canada)

Protection Notice DIN ISO 16016 : The reproduction, distribution and use of this document as well as the communication of its contents to others without explicit authorization in writing by REpower Systems AG is strictly prohibited. Offenders will be held liable for the payment of damages. Furthermore, all rights reserved in the event of the grant of a patent or industrial design.

Please ensure to use the latest versions of the applicable specifications. Images do not necessarily reflect the exact scope of supply, specifications, size or materials and are subject to technical alterations at any time. Please note that this document may not correspond with project-specific requirements.

Possible work procedures described in this product description comply with German, and REpower’s, safety provisions and regulations The national laws of other countries may provide for additional safety specifications.

It is essential that all safety measures, both project and country-specific, be strictly complied with. It is the duty of each customer to inform itself, implement and comply with these measures.

The applicability and validity of relevant legal and/or contractual provisions, technical guidelines, DIN standards and other comparable regulations are not excluded by the content or examples contained in this product description. Moreover, such contractual provisions and regulations shall continue to apply without any limitation.

All information contained in this product description is subject to change at any time without notice to, or approval by, the customer. REpower Systems AG and/or its affiliates assume no liability for any errors or omissions in the content of this product description. Legal claims against REpower Systems AG and/or its affiliates based on damage or injury caused by the use or non-use of the information included herein or the use of erroneous or incomplete information are excluded.

Although REpower Systems AG strives to provide information which is accurate and makes this information available to customers in good faith, no representation or warranty is made or guarantee given as to its accuracy or completeness. The sole applicable warranties in respect of the products described herein shall be those provided in a contract executed by an authorized representative of REpower Systems AG. EXCEPT AS PROVIDED IN SUCH EXECUTED CONTRACT, POWER MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AS TO THE PRODUCT SPECIFICATIONS, PRODUCT DESCRIPTIONS OR THE PRODUCTS HEREIN DESCRIBED. REPOWER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NONINFRINGEMENT.

All brands, trade-marks or product names mentioned in this document are the exclusive property of their respective owners.


REpower MM100

[1.8MW]



REpower Systems AG

Überseering 10

22297 Hamburg

Tel.: +49 - 40 - 5555090 - 0

Fax: +49 - 40 - 5555090 - 3999

www.repower.de

Copyright © 2011 Repower Systems AG

All rights reserved.

Disclaimer (US)

The reproduction, distribution and utilization of this document as well as the disclosure of its contents to others without explicit authorization in writing from REpower Systems AG are strictly prohibited. Offenders will be held liable for the payment of damages. No license, express or implied, to any intellectual or industrial property rights is granted by these product descriptions or specifications. All intellectual and other property rights are reserved, including but not limited to industrial property rights, copyrights, trademarks, trade secrets, trade dress, or the grant of a patent, utility model, or design.

Each customer should verify that this document is the most current version of the particular product description or specification. Images contained within these product descriptions or specifications do not necessarily reflect the particular products purchased by the customer. Moreover, subject to the particular terms of any binding written contract between REpower Systems AG and the customer, the products covered by these product descriptions or specifications are subject to technical alterations at any time without notice. Please be aware that these product descriptions or specifications are for particular products and do not necessarily correspond to particular project-specific requirements.

These product descriptions and specifications comply with applicable mandatory requirements of IEC 61400, the National Electrical Code (NEC), Underwriters Laboratory (UL), and the applicable mandatory standards of the federal Occupational and Health Administration (OSHA), as well as applicable mandatory Deutsches Institut für Normung (DIN) standards to the extent they are not inconsistent with the above applicable mandatory IEC 61400, NEC, UL and OSHA standards. Customer is solely responsible for identification of and compliance with all other applicable federal, state, local, or project-specific requirements.

Subject to the particular terms of any binding contract between the customer and REpower Systems AG, REpower Systems AG: (a) reserves the right to change or modify any of the products and their physical or technical specifications without prior notice or approval by the customer or any other person; (b) disclaims all liability for any errors or omissions in the content of this product description or specifications.

EXCEPT AS MAY BE SPECIFICALLY AND EXPRESSLY PROVIDED TO THE CONTRARY IN A BINDING WRITTEN AGREEMENT BETWEEN REPOWER SYSTEMS AG AND CUSTOMER, REPOWER MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AS TO THE PRODUCT SPECIFICATIONS, PRODUCT DESCRIPTIONS OR THE PRODUCTS HEREIN DESCRIBED. REPOWER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NONINFRINGEMENT.

All brands or product names mentioned in this document are the property of their respective holders.


REpower MM100

[1.8MW]



Table of content

Applicable documents ............................................................................................................... 5

List of abbreviations and units.................................................................................................. 5

1 Introduction .................................................................................................................... 6

2 Conditions for guarantee and measurement of power curve and sound power

level 6

2.1 General information ....................................................................................................... 6

2.2 Conditions for power curve guarantee and measurement ........................................ 6

2.3 Conditions for sound power level guarantee and measurement .............................. 7

3 Guaranteed electrical power curve and guaranteed sound power level .................. 8

3.1 Guarantees according to IEC for wind speed at hub height ...................................... 8

3.2 Sound power level guarantee according to IEC for wind speed at 10 m height ...... 9


REpower MM100

[1.8MW]



Applicable documents

The documents referred to in the table below are included for information only. Reference to

them in this product description does not make them part of the contract.

Title Document no.

* If the products referred to in the table above are to be included within the project, the

relevant product descriptions in their current version will be amended to the contract.

List of abbreviations and units

Abbreviation/Unit Description

cp Power coefficient

ct Thrust coefficient

IEC International Electrotechnical Commission

WEC Wind Energy Converter


REpower MM100

[1.8MW]



1 Introduction

This document shows the guaranteed power curve and sound power level of the REpower

MM100 and the corresponding guarantee and measurement conditions.

2 Conditions for guarantee and measurement of power curve and

sound power level

2.1 General information

Rotor diameter: 100.0 m

Air density: 1.225 kg/m³

Cut in wind speed: approx. 3.0 m/s

Cut out wind speed: 22.0 m/s

Wind speed at hub height: 10 minutes mean values

Blades: clean, no ice/snow formation

2.2 Conditions for power curve guarantee and measurement

Verification according to IEC 61400-12-1: 20051

Turbulence intensity: 6 to 12 %

Terrain: not complex according to IEC 61400-12-1: 20051

Vertical wind shear coefficient (measured between hub height

and hub height minus rotor diameter divided by 2): ≤ 0.3

Air density at location (10 minutes mean value): ≥ 1.13 kg/m³

Temperature range: ≤ 35 °C

Power factor: cos phi ~ 1

Anemometer type: Thies First Class/ Thies First Class Advanced

Voltage level for measurement: 575 V (60Hz)

1 For obstacle assessment according to 61400-12-1: 2005 Annex A.2 the following condition applies:

No obstacles with a height greater than 1/3 of the distance between the ground and the lower blade tip shall exist in the measurement sector within 0-4 rotor diameters of the WEC or met mast.


REpower MM100

[1.8MW]



Arrangement of a measuring unit for the power curve measurement of a REpower MM100

2.3 Conditions for sound power level guarantee and measurement

Verification according to IEC 61400-11: 2002 + A1: 20062

Roughness length (average peak): 0.05 m

2 Method 1, as outlined in section 7.3 of the IEC standard 61400-11

G

Auxiliaries

LV/MV Transformer

WEC

M Measurement device

G

Auxiliaries

M

Grid


REpower MM100

[1.8MW]



3 Guaranteed electrical power curve and guaranteed sound power

level3

The sound power level guaranteed by REpower includes an uncertainty of approx. 1 dB(A).

REpower warrants that there is no tonal audibility > 0 dB.4

3.1 Guarantees according to IEC for wind speed at hub height

3 Valid for unrestricted operation only. During sound reduced operation different power and sound levels are effective. 4 Valid for V10 ≥ 6m/s.

5 A cut-out at 22 m/s as a 10 min average is equivalent to a 100 s average cut-out at 24 m/s. 6 Guaranteed on 575 V voltage level (for 60Hz)

7 Sound power level at hub height

Wind speed

v [m/s] 5

Power

P [kW] 6

Sound power level

LWA [dB(A)] 7

Thrust coefficient

ct [-]

Power coefficient

cp [-]

3.0 20 - 1.01 0.154 4.0 102 - 0.85 0.331 5.0 239 - 0.80 0.397 6.0 452 98.8 0.80 0.435 7.0 746 102.5 0.80 0.452 8.0 1126 103.7 0.78 0.457 9.0 1521 104.4 0.71 0.434

10.0 1771 104.8 0.55 0.368 11.0 1815 104.8 0.38 0.283 12.0 1815 104.8 0.29 0.218 13.0 1815 104.8 0.22 0.172 14.0 1815 104.8 0.18 0.137 15.0 1815 104.8 0.14 0.112 16.0 1815 104.8 0.12 0.092 17.0 1815 104.8 0.10 0.077 18.0 1815 104.8 0.09 0.065 19.0 1815 104.8 0.07 0.055 20.0 1815 104.8 0.06 0.047 21.0 1815 104.8 0.06 0.041 22.0 1815 104.8 0.05 0.035


REpower MM100

[1.8MW]



3.2 Sound power level guarantee according to IEC for wind speed at 10 m

height

HH v10 [m/s] 4.0 5.0 6.0 7.0 8.0 9.0 10.0

78.0 - 80.0 m LWA [dB(A)] 97.1 102.5 104.1 104.8 104.8 104.8 104.8

All sound power levels above are based on wind speeds of v10 at 10 m height. The data of the

noise level are based on the requirements of the IEC 61400-11: 2002 + A1: 2006.

The calculation of the wind speed in 10 m height is based on a roughness length of 0.05 m.



APPENDIX D

WINDPRO 2.8 NOISE CALCULATIONS

WindPRO version 2.8.563 Oct 2012

WindPRO is developed by EMD International A/S, Niels Jernesvej 10, DK-9220 Aalborg Ø, Tel. +45 96 35 44 44, Fax +45 96 35 44 46, e-mail: [email protected]

Project:

103 Collie HillDescription:

Three MM100 with 104.8 dB(A). Generic octave band data.Substation with 84 dBA including tonality penalty and typical octaveband.

Printed/Page

11/15/2012 11:23 AM / 1Licensed user:

M.K. Ince & Associates Ltd. Wind Energy EngineeringII Cross St. CA-DUNDAS, ON L9H 2R3+1 905 628 0077Thomas Bernacki / [email protected]:

11/15/2012 11:22 AM/2.8.563

DECIBEL - Main ResultCalculation: 103.R2011-10-11.MM100.H100.3 104.8 dB(A) 2012-11-15

Noise calculation model: ISO 9613-2 GeneralWind speed: 95% rated powerGround attenuation: General, Ground factor: 0.7Meteorological coefficient, C0: 0.0 dBType of demand in calculation: 1: WTG noise is compared to demand (DK, DE, SE, NL etc.)Noise values in calculation: All noise values are mean values (Lwa) (Normal)Pure tones: Pure and Impulse tone penalty are added to WTG source noiseHeight above ground level, when no value in NSA object: 4.5 m Don't allow override of model height with height from NSA objectDeviation from "official" noise demands. Negative is more restrictive,positive is less restrictive.: 0.0 dB(A) Scale 1:125,000

New WTG Noise sensitive area

WTGsUTM NAD83 Zone: 17 WTG type Noise data

East North Z Row data/Description Valid Manufact. Type-generator Power, Rotor Hub Creator Name Wind Status LwA,ref Purerated diameter height speed tones

[m] [kW] [m] [m] [m/s] [dB(A)]1 738,691 4,910,833 250.0 REpower MM 100 60Hz 1800 100.... Yes REpower MM 100-1,800 1,800 100.0 100.0 EMD Level 0 - Guaranteed - MM100 60 Hz - 104.8 dBA - 09-2011 (95%) User value 104.8 0 dB h2 738,983 4,909,435 237.0 REpower MM 100 60Hz 1800 100.... Yes REpower MM 100-1,800 1,800 100.0 100.0 EMD Level 0 - Guaranteed - MM100 60 Hz - 104.8 dBA - 09-2011 (95%) User value 104.8 0 dB h3 738,672 4,909,565 260.0 REpower MM 100 60Hz 1800 100.... Yes REpower MM 100-1,800 1,800 100.0 100.0 EMD Level 0 - Guaranteed - MM100 60 Hz - 104.8 dBA - 09-2011 (95%) User value 104.8 0 dB h4 738,685 4,910,121 230.0 Substation No REpower Transformer SS test-1 1 1.0 2.0 USER Transformer SS for ZEP projects (95%) 84.0 0 dB h

h) Generic octave distribution used

Calculation Results

Sound LevelNoise sensitive areaUTM NAD83 Zone: 17 Demands Sound Level Demands fulfilled ?No. Name East North Z Imission height Noise Distance From WTGs Noise Distance All

[m] [m] [dB(A)] [m] [dB(A)]A P001 738,729 4,909,910 234.9 4.5 50.0 43.6 Yes YesB R001 738,446 4,909,058 207.1 4.5 40.0 550 39.8 Yes Yes YesC P002 738,438 4,910,246 244.3 4.5 50.0 39.4 Yes YesD A001 739,249 4,908,759 190.0 4.5 40.0 550 36.6 Yes Yes YesE A002 740,154 4,909,030 190.0 4.5 40.0 550 31.4 Yes Yes YesF A003 739,554 4,908,002 191.2 4.5 40.0 550 29.2 Yes Yes YesG A004 740,300 4,908,558 192.1 4.5 40.0 550 28.8 Yes Yes YesH A008 738,008 4,907,759 190.0 4.5 40.0 550 27.4 Yes Yes YesI R002 739,180 4,910,533 210.0 4.5 40.0 550 38.6 Yes Yes YesJ R003 738,348 4,910,102 243.0 4.5 40.0 550 39.2 Yes No NoK R004 739,200 4,910,438 210.0 4.5 40.0 550 38.2 Yes Yes YesL R005 739,296 4,910,476 210.0 4.5 40.0 550 37.3 Yes Yes Yes

M R006 739,522 4,908,929 194.6 4.5 40.0 550 36.3 Yes Yes YesN R007 737,971 4,911,114 209.7 4.5 40.0 550 35.0 Yes Yes YesO R008 739,448 4,911,111 210.0 4.5 40.0 550 34.7 Yes Yes YesP R009 739,500 4,910,754 210.0 4.5 40.0 550 35.3 Yes Yes YesQ R010 737,868 4,909,702 234.4 4.5 40.0 550 35.9 Yes Yes YesR R011 739,584 4,910,112 209.6 4.5 40.0 550 35.9 Yes Yes YesS R013 739,184 4,911,618 227.0 4.5 40.0 550 33.1 Yes Yes YesT R014 737,739 4,909,973 223.6 4.5 40.0 550 34.3 Yes Yes YesU R015 738,110 4,908,785 209.3 4.5 40.0 550 34.5 Yes Yes YesV R017 738,881 4,911,838 230.0 4.5 40.0 550 32.0 Yes Yes Yes

W R018 739,986 4,909,164 190.0 4.5 40.0 550 33.1 Yes Yes YesX R019 737,968 4,911,589 202.7 4.5 40.0 550 31.9 Yes Yes Yes

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...continued from previous pageNoise sensitive areaUTM NAD83 Zone: 17 Demands Sound Level Demands fulfilled ?No. Name East North Z Imission height Noise Distance From WTGs Noise Distance All

[m] [m] [dB(A)] [m] [dB(A)]Y R020 738,476 4,908,520 210.0 4.5 40.0 550 34.1 Yes Yes YesZ R021 739,964 4,909,899 200.8 4.5 40.0 550 33.4 Yes Yes Yes

AA R022 738,943 4,908,356 190.0 4.5 40.0 550 33.1 Yes Yes YesAB R023 740,052 4,909,171 190.0 4.5 40.0 550 32.6 Yes Yes YesAC R024 737,533 4,910,842 211.8 4.5 40.0 550 31.8 Yes Yes YesAD R025 739,724 4,910,376 210.0 4.5 40.0 550 34.1 Yes Yes YesAE R027 738,825 4,912,109 220.0 4.5 40.0 550 29.8 Yes Yes YesAF R028 737,368 4,909,818 213.4 4.5 40.0 550 31.5 Yes Yes YesAG R029 737,348 4,909,709 211.5 4.5 40.0 550 31.4 Yes Yes YesAH R030 737,632 4,908,595 223.5 4.5 40.0 550 30.4 Yes Yes YesAI R031 740,113 4,910,749 201.3 4.5 40.0 550 30.7 Yes Yes YesAJ R033 739,764 4,908,220 190.0 4.5 40.0 550 29.8 Yes Yes YesAK R034 737,342 4,908,908 210.0 4.5 40.0 550 29.9 Yes Yes YesAL R035 737,282 4,908,806 210.0 4.5 40.0 550 29.2 Yes Yes Yes

AM R037 738,615 4,912,588 220.0 4.5 40.0 550 26.5 Yes Yes YesAN R040 736,915 4,910,478 200.0 4.5 40.0 550 28.3 Yes Yes YesAO R041 736,865 4,909,385 210.0 4.5 40.0 550 28.0 Yes Yes YesAP R042 736,854 4,909,345 210.0 4.5 40.0 550 27.9 Yes Yes YesAQ R043 740,337 4,911,761 210.0 4.5 40.0 550 26.5 Yes Yes YesAR R044 737,357 4,908,197 201.9 4.5 40.0 550 27.4 Yes Yes YesAS R045 740,596 4,911,016 215.9 4.5 40.0 550 27.4 Yes Yes YesAT R047 739,175 4,908,562 190.0 4.5 40.0 550 34.7 Yes Yes YesAU R048 740,185 4,908,997 190.0 4.5 40.0 550 31.1 Yes Yes YesAV R049 739,553 4,907,984 191.8 4.5 40.0 550 29.1 Yes Yes Yes

AW R050 740,331 4,908,512 190.9 4.5 40.0 550 28.5 Yes Yes YesAX R051 737,927 4,907,718 190.0 4.5 40.0 550 27.0 Yes Yes YesAY R052 737,179 4,909,077 210.0 4.5 40.0 550 29.4 Yes Yes YesAZ R053 737,167 4,909,125 210.0 4.5 40.0 550 29.4 Yes Yes YesBA R054 736,832 4,910,252 206.1 4.5 40.0 550 28.0 Yes Yes YesBB R055 738,738 4,912,327 219.9 4.5 40.0 550 28.2 Yes Yes YesBC R056 739,777 4,908,985 190.0 4.5 40.0 550 34.3 Yes Yes YesBD R057 737,707 4,912,361 200.0 4.5 40.0 550 26.3 Yes Yes YesBE V001 738,817 4,908,881 200.0 4.5 40.0 550 39.3 Yes Yes YesBF V002 739,145 4,911,385 216.6 4.5 40.0 550 35.6 Yes Yes YesBG V003 738,905 4,908,665 197.6 4.5 40.0 550 36.4 Yes Yes YesBH V004 739,306 4,911,240 210.0 4.5 40.0 550 35.4 Yes Yes YesBI V005 739,725 4,909,858 206.2 4.5 40.0 550 35.7 Yes Yes YesBJ V006 738,152 4,908,800 208.2 4.5 40.0 550 34.9 Yes Yes YesBK V007 739,900 4,910,722 204.7 4.5 40.0 550 32.1 Yes Yes YesBL V008 736,937 4,909,658 210.0 4.5 40.0 550 28.6 Yes Yes Yes

BM V009 737,227 4,909,773 211.9 4.5 40.0 550 30.5 Yes Yes YesBN V010 740,826 4,909,219 190.0 4.5 40.0 550 27.4 Yes Yes YesBO V011 740,156 4,909,082 190.0 4.5 40.0 550 31.5 Yes Yes YesBP V012 740,029 4,909,455 190.4 4.5 40.0 550 33.2 Yes Yes YesBQ V013 740,803 4,909,300 191.1 4.5 40.0 550 27.6 Yes Yes YesBR V014 739,096 4,911,844 240.0 4.5 40.0 550 31.5 Yes Yes YesBS V015 738,984 4,912,130 217.0 4.5 40.0 550 29.4 Yes Yes YesBT V016 738,867 4,912,370 216.1 4.5 40.0 550 27.9 Yes Yes YesBU V017 738,840 4,912,459 215.0 4.5 40.0 550 27.3 Yes Yes YesBV V018 737,868 4,911,810 206.7 4.5 40.0 550 29.9 Yes Yes Yes

BW V020 738,997 4,911,785 233.2 4.5 40.0 550 32.3 Yes Yes YesBX V021 739,498 4,908,921 195.9 4.5 40.0 550 36.4 Yes Yes YesBY V022 738,964 4,908,350 190.0 4.5 40.0 550 33.1 Yes Yes YesBZ V023 739,442 4,907,544 214.8 4.5 40.0 550 26.7 Yes Yes YesCA V025 739,387 4,907,518 208.1 4.5 40.0 550 26.7 Yes Yes Yes



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Distances (m)WTG

NSA 1 2 3 4A 924 539 350 216B 1792 656 555 1090C 639 977 720 277D 2138 727 981 1474E 2322 1239 1576 1830F 2959 1542 1795 2290G 2726 1582 1914 2241H 3149 1939 1925 2457I 574 1116 1093 644J 807 921 627 338K 644 1026 1020 605L 702 1087 1104 707

M 2078 739 1062 1457N 773 1960 1700 1223O 806 1739 1730 1250P 813 1417 1449 1032Q 1399 1147 816 918R 1148 905 1063 899S 927 2192 2116 1578T 1283 1355 1018 958U 2129 1088 961 1455V 1023 2405 2283 1728

W 2113 1039 1374 1615X 1046 2381 2143 1634Y 2323 1046 1063 1615Z 1579 1085 1335 1298

AA 2490 1080 1239 1784AB 2148 1101 1435 1665AC 1158 2020 1711 1359AD 1130 1198 1328 1070AE 1283 2679 2549 1993AF 1668 1660 1328 1351AG 1751 1658 1332 1399AH 2476 1591 1422 1854AI 1425 1733 1865 1560AJ 2825 1444 1733 2186AK 2351 1724 1483 1810AL 2469 1814 1584 1923

AM 1757 3174 3024 2468AN 1811 2316 1980 1806AO 2331 2119 1816 1963AP 2364 2131 1831 1989AQ 1890 2691 2756 2328AR 2954 2044 1898 2338AS 1914 2259 2410 2110AT 2322 894 1122 1634AU 2367 1279 1616 1874AV 2977 1559 1810 2307

AW 2842 1634 1965 2302AX 3207 2016 1992 2520AY 2317 1839 1571 1833AZ 2289 1842 1568 1816BA 1948 2301 1964 1858BB 1495 2902 2763 2207BC 2144 913 1248 1576BD 1817 3192 2958 2444

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...continued from previous pageWTG

NSA 1 2 3 4BE 1956 578 699 1247BF 715 1957 1881 1345BG 2179 774 930 1473BH 737 1834 1791 1280BI 1421 854 1093 1073BJ 2103 1046 925 1425BK 1214 1580 1687 1356BL 2111 2058 1738 1808

BM 1808 1788 1460 1499BN 2676 1856 2182 2323BO 2283 1225 1561 1801BP 1921 1046 1361 1500BQ 2610 1825 2147 2272BR 1089 2412 2318 1771BS 1330 2695 2584 2031BT 1547 2937 2812 2256BU 1633 3027 2899 2343BV 1277 2624 2385 1876

BW 1000 2350 2244 1693BX 2075 728 1047 1450BY 2498 1085 1250 1793BZ 3374 1946 2163 2686CA 3387 1959 2168 2696



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DECIBEL - Detailed resultsCalculation: 103.R2011-10-11.MM100.H100.3 104.8 dB(A) 2012-11-15Noise calculation model: ISO 9613-2 General 10.0 m/s

AssumptionsCalculated L(DW) = LWA,ref + K + Dc - (Adiv + Aatm + Agr + Abar + Amisc) - Cmet(when calculated with ground attenuation, then Dc = Domega)

LWA,ref: Sound pressure level at WTGK: Pure toneDc: Directivity correctionAdiv: the attenuation due to geometrical divergenceAatm: the attenuation due to atmospheric absorptionAgr: the attenuation due to ground effectAbar: the attenuation due to a barrierAmisc: the attenuation due to miscellaneous other effectsCmet: Meteorological correction

Calculation Results

Noise sensitive area: A P001WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 924 930 32.26 104.8 0.00 70.37 - - 0.00 0.00 - 0.002 539 547 37.81 104.8 0.00 65.77 - - 0.00 0.00 - 0.003 350 370 41.72 104.8 0.00 62.36 - - 0.00 0.00 - 0.004 216 216 24.92 84.0 0.00 57.68 - - 0.00 0.00 - 0.00

Sum 43.60- Data undefined due to calculation with octave data

Noise sensitive area: B R001WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 1,792 1,797 24.81 104.8 0.00 76.09 - - 0.00 0.00 - 0.002 656 668 35.77 104.8 0.00 67.50 - - 0.00 0.00 - 0.003 555 575 37.32 104.8 0.00 66.19 - - 0.00 0.00 - 0.004 1,090 1,090 9.56 84.0 0.00 71.75 - - 0.00 0.00 - 0.00


Noise sensitive area: C P002WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: D A001WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 2,148 2,153 22.63 104.8 0.00 77.66 - - 0.00 0.00 - 0.002 727 740 34.70 104.8 0.00 68.39 - - 0.00 0.00 - 0.003 991 1,005 31.43 104.8 0.00 71.04 - - 0.00 0.00 - 0.004 1,474 1,475 6.22 84.0 0.00 74.37 - - 0.00 0.00 - 0.00


Noise sensitive area: E A002WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 2,322 2,327 21.67 104.8 0.00 78.34 - - 0.00 0.00 - 0.002 1,239 1,247 29.03 104.8 0.00 72.92 - - 0.00 0.00 - 0.003 1,576 1,584 26.30 104.8 0.00 75.00 - - 0.00 0.00 - 0.004 1,830 1,830 3.69 84.0 0.00 76.25 - - 0.00 0.00 - 0.00


Noise sensitive area: F A003WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: G A004WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: H A008WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: I R002WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 574 589 37.06 104.8 0.00 66.41 - - 0.00 0.00 - 0.002 1,116 1,122 30.21 104.8 0.00 72.00 - - 0.00 0.00 - 0.003 1,093 1,103 30.40 104.8 0.00 71.85 - - 0.00 0.00 - 0.004 644 644 14.94 84.0 0.00 67.18 - - 0.00 0.00 - 0.00


Noise sensitive area: J R003WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: K R004WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: L R005WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: M R006WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 2,078 2,083 23.03 104.8 0.00 77.37 - - 0.00 0.00 - 0.002 739 752 34.53 104.8 0.00 68.53 - - 0.00 0.00 - 0.003 1,062 1,074 30.70 104.8 0.00 71.62 - - 0.00 0.00 - 0.004 1,457 1,457 6.35 84.0 0.00 74.27 - - 0.00 0.00 - 0.00




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Noise sensitive area: N R007WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 773 785 34.08 104.8 0.00 68.89 - - 0.00 0.00 - 0.002 1,960 1,964 23.75 104.8 0.00 76.86 - - 0.00 0.00 - 0.003 1,700 1,707 25.42 104.8 0.00 75.64 - - 0.00 0.00 - 0.004 1,223 1,223 8.30 84.0 0.00 72.75 - - 0.00 0.00 - 0.00


Noise sensitive area: O R008WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: P R009WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: Q R010WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 1,399 1,403 27.70 104.8 0.00 73.94 - - 0.00 0.00 - 0.002 1,147 1,151 29.93 104.8 0.00 72.22 - - 0.00 0.00 - 0.003 816 825 33.56 104.8 0.00 69.32 - - 0.00 0.00 - 0.004 918 918 11.36 84.0 0.00 70.26 - - 0.00 0.00 - 0.00


Noise sensitive area: R R011WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 1,148 1,156 29.88 104.8 0.00 72.26 - - 0.00 0.00 - 0.002 905 914 32.46 104.8 0.00 70.22 - - 0.00 0.00 - 0.003 1,063 1,073 30.70 104.8 0.00 71.62 - - 0.00 0.00 - 0.004 899 899 11.58 84.0 0.00 70.08 - - 0.00 0.00 - 0.00




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Noise sensitive area: S R013WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: T R014WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 1,283 1,289 28.66 104.8 0.00 73.20 - - 0.00 0.00 - 0.002 1,355 1,360 28.06 104.8 0.00 73.67 - - 0.00 0.00 - 0.003 1,018 1,027 31.19 104.8 0.00 71.23 - - 0.00 0.00 - 0.004 958 958 10.92 84.0 0.00 70.62 - - 0.00 0.00 - 0.00


Noise sensitive area: U R015WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 2,129 2,133 22.74 104.8 0.00 77.58 - - 0.00 0.00 - 0.002 1,088 1,095 30.48 104.8 0.00 71.79 - - 0.00 0.00 - 0.003 961 972 31.78 104.8 0.00 70.76 - - 0.00 0.00 - 0.004 1,455 1,455 6.37 84.0 0.00 74.26 - - 0.00 0.00 - 0.00


Noise sensitive area: V R017WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: W R018WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: X R019WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: Y R020WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: Z R021WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AA R022WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AB R023WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: AC R024WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AD R025WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AE R027WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AF R028WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AG R029WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: AH R030WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AI R031WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AJ R033WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AK R034WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AL R035WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: AM R037WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 1,757 1,761 25.05 104.8 0.00 75.92 - - 0.00 0.00 - 0.002 3,174 3,176 17.72 104.8 0.00 81.04 - - 0.00 0.00 - 0.003 3,024 3,027 18.33 104.8 0.00 80.62 - - 0.00 0.00 - 0.004 2,468 2,468 -0.05 84.0 0.00 78.85 - - 0.00 0.00 - 0.00


Noise sensitive area: AN R040WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AO R041WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AP R042WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AQ R043WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: AR R044WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AS R045WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AT R047WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AU R048WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AV R049WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: AW R050WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AX R051WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AY R052WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: AZ R053WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BA R054WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: BB R055WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BC R056WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BD R057WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BE V001WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BF V002WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: BG V003WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BH V004WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BI V005WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BJ V006WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet

[m] [m] [dB(A)] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]1 2,103 2,108 22.89 104.8 0.00 77.48 - - 0.00 0.00 - 0.002 1,046 1,053 30.91 104.8 0.00 71.45 - - 0.00 0.00 - 0.003 925 937 32.19 104.8 0.00 70.43 - - 0.00 0.00 - 0.004 1,425 1,425 6.61 84.0 0.00 74.07 - - 0.00 0.00 - 0.00


Noise sensitive area: BK V007WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: BL V008WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BM V009WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BN V010WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BO V011WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BP V012WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: BQ V013WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BR V014WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BS V015WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BT V016WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BU V017WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: BV V018WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BW V020WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BX V021WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BY V022WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet



Noise sensitive area: BZ V023WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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Noise sensitive area: CA V025WTG 95% rated powerNo. Distance Sound distance Calculated LwA,ref Dc Adiv Aatm Agr Abar Amisc A Cmet





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11/19/2012 1:24 PM / 1Licensed user:


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DECIBEL - Assumptions for noise calculationCalculation: 103.R2011-10-11.MM100.H100.3 104.8 dB(A) 2012-11-15

Noise calculation model: ISO 9613-2 GeneralWind speed: 95% rated powerGround attenuation: General, Ground factor: 0.7Meteorological coefficient, C0: 0.0 dBType of demand in calculation: 1: WTG noise is compared to demand (DK, DE, SE, NL etc.)Noise values in calculation: All noise values are mean values (Lwa) (Normal)Pure tones: Pure and Impulse tone penalty are added to WTG source noiseHeight above ground level, when no value in NSA object: 4.5 m Don't allow override of model height with height from NSA objectDeviation from "official" noise demands. Negative is more restrictive, positive is less restrictive.: 0.0 dB(A)Octave data requiredAir absorption

63 125 250 500 1,000 2,000 4,000 8,000[db/km] [db/km] [db/km] [db/km] [db/km] [db/km] [db/km] [db/km]

0.1 0.4 1.0 1.9 3.7 9.7 32.8 117.0

WTG: REpower MM 100 60Hz 1800 100.0 !O!Noise: Level 0 - Guaranteed - MM100 60 Hz - 104.8 dBA - 09-2011

Source Source/Date Creator EditedManufacturer 9/21/2011 EMD 6/28/2012 3:14 PMguaranteedDocument SD-2.20-WT.PC.01-A-C

Octave dataStatus Hub height Wind speed LwA,ref Pure tones 63 125 250 500 1000 2000 4000 8000

[m] [m/s] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]User value 100.0 95% rated power 104.8 No Generic data 86.4 93.4 96.8 99.4 99.2 96.3 91.5 82.0

WTG: REpower Transformer SS test 1 1.0 !-!Noise: Transformer SS for ZEP projects

Source Source/Date Creator EditedZEP/ RePower 10/19/2012 USER 10/29/2012 10:52 AM

Octave dataStatus Hub height Wind speed LwA,ref Pure tones 63 125 250 500 1000 2000 4000 8000

[m] [m/s] [dB(A)] [dB] [dB] [dB] [dB] [dB] [dB] [dB] [dB]From Windcat 2.0 95% rated power 84.0 No 45.5 71.4 76.8 81.9 74.3 67.1 56.7 53.5

NSA: P001-APredefined calculation standard: Imission height(a.g.l.): 4.5 m

Noise demand: 50.0 dB(A)Distance demand:



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NSA: R001-BPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model

Noise demand: 40.0 dB(A)Ambient noise: 0.0 dB(A)Margin or Allowed additional exposure: 0.0 dB(A)Sound level always accepted: 0.0 dB(A)Distance demand: 550

NSA: P002-CPredefined calculation standard: Imission height(a.g.l.): 4.5 m

Noise demand: 50.0 dB(A)Ambient noise: 0.0 dB(A)Margin or Allowed additional exposure: 0.0 dB(A)Sound level always accepted: 0.0 dB(A)Distance demand:

NSA: A001-DPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: A002-EPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: A003-FPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: A004-GPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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NSA: A008-HPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R002-IPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R003-JPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R004-KPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R005-LPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R006-MPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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NSA: R007-NPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R008-OPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R009-PPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R010-QPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R011-RPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R013-SPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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Printed/Page

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NSA: R014-TPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R015-UPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R017-VPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R018-WPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R019-XPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R020-YPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



Printed/Page

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NSA: R021-ZPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R022-AAPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R023-ABPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R024-ACPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R025-ADPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R027-AEPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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Printed/Page

11/19/2012 1:24 PM / 7Licensed user:


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NSA: R028-AFPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R029-AGPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R030-AHPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R031-AIPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R033-AJPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R034-AKPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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Printed/Page

11/19/2012 1:24 PM / 8Licensed user:


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NSA: R035-ALPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R037-AMPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R040-ANPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R041-AOPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R042-APPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R043-AQPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



Printed/Page

11/19/2012 1:24 PM / 9Licensed user:


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NSA: R044-ARPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R045-ASPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R047-ATPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R048-AUPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R049-AVPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R050-AWPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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NSA: R051-AXPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R052-AYPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R053-AZPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R054-BAPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R055-BBPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: R056-BCPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




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NSA: R057-BDPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V001-BEPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V002-BFPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V003-BGPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V004-BHPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V005-BIPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



Printed/Page

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NSA: V006-BJPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V007-BKPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V008-BLPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V009-BMPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V010-BNPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V011-BOPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



Printed/Page

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NSA: V012-BPPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V013-BQPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V014-BRPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V015-BSPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V016-BTPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V017-BUPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



Printed/Page

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NSA: V018-BVPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V020-BWPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V021-BXPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V022-BYPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V023-BZPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model


NSA: V025-CAPredefined calculation standard: Imission height(a.g.l.): Use standard value from calculation model




Project:



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11/15/2012 11:23 AM / 1Licensed user:


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DECIBEL - Map 95% rated powerCalculation: 103.R2011-10-11.MM100.H100.3 104.8 dB(A) 2012-11-15

0 500 1000 1500 2000 mMap: 31d08 31c05 merged , Print scale 1:50,000, Map center UTM NAD83 Zone: 17 East: 738,828 North: 4,910,134

New WTG Noise sensitive areaNoise calculation model: ISO 9613-2 General. Wind speed: 95% rated power

Height above sea level from active line object

Noise [dB(A)]

35

40

45

50

55

environmental noise impact report -...

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