FALL ACOUSTIC AUDIT - IMMISSION REPORT St. Columban Wind Energy Project St. Columban, Ontario Prepared for: St. Columban Energy, LP 222 – 3 rd Avenue S.W. Suite 900, Livingston Place, South Tower Calgary, AB T2P 0B4 Prepared by Nathan Gara, C.E.T. and Ian R. Bonsma, PEng June 16, 2016
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FALL ACOUSTIC AUDIT - IMMISSION REPORT
St. Columban Wind Energy Project
St. Columban, Ontario
Prepared for: St. Columban Energy, LP
222 – 3rd Avenue S.W. Suite 900, Livingston Place, South Tower
Calgary, AB T2P 0B4
Prepared by
Nathan Gara, C.E.T.
and
Ian R. Bonsma, PEng
June 16, 2016
ii
EXECUTIVE SUMMARY Howe Gastmeier Chapnik Limited (“HGC Engineering”) was retained by St. Columban Energy, LP
to complete an acoustic immission audit of the St. Columban Wind Energy Project. The project
includes 15 Siemens wind turbine generators, rated at 2.3 MW, 2.221 MW and 2.126 MW. The
acoustic immission audit is required as a condition of Renewable Energy Approval number
7042- 96FQB7 issued by the Ontario Ministry of the Environment and Climate Change (“MOECC”).
HGC Engineering has assessed the acoustic impact against the acoustic criteria of the MOECC in
accordance with the requirements of the MOECC’s Compliance Protocol for Wind Turbine Noise.
The fall measurement campaign was completed between October 9, 2015 and January 14, 2016.
The sound level measurements and analysis, as performed in accordance with the MOECC’s
Compliance Protocol for Wind Turbine Noise, indicate that the project meets the applicable sound
level limits at the chosen receptor locations. Details of the measurements and analysis are provided
herein.
iii
TABLE OF CONTENTS
EXECUTIVE SUMMARY ............................................................................................................... ii
The sound level monitoring location for receptor R3 is approximately 75 m closer to turbines
T09 and T10 than the actual receptor location, equating to a sound level adjustment of -1 dBA to
the Wind Project Only sound level (ie. 39 dBA at 6 m/s). The sound level measurements and
analysis indicate that the project meets the applicable sound level limits at location R3.
Appendix C includes a statement from St. Columban Energy, LP indicating the wind turbines
were operating normally from December 12, 2015 to January 14, 2016.
St. Columban Energy, LP Page 10 St. Columban Wind Energy Project, Fall Immission Audit June 16, 2016
CONCLUSIONS AND RECOMMENDATIONS The measurements and analysis, performed in accordance with the methods prescribed by the
Ontario Ministry of the Environment and Climate Change in publication Compliance Protocol
for Wind Turbine Noise indicates that the wind energy facility is operating within compliance of
the MOECC’s sound level criteria at the monitoring locations.
REFERENCES 1. Ontario Ministry of the Environment Renewable Energy Approval Number 7042- 96FQB7,
July 2, 2013.
2. Zephyr North, Noise Assessment Report, St. Columban Wind Project, January, 2013. 3. Ontario Ministry of the Environment, Compliance Protocol for Wind Turbine Noise
Guideline for Acoustic Assessment and Measurement. 4. Ontario Ministry of the Environment Publication, NPC-103, Procedures. 5. Ontario Ministry of the Environment Publication, Noise Guidelines for Wind Farms,
Interpretation for Applying MOE NPC Publications to Wind Power Generation Facilities, October 2008.
6. International Standards Organization 1996-2, Acoustics – Description, assessment and measurement of environmental noise – Part 2: Determination of environmental noise levels, 2007.
7. Environment Canada, Wind Atlas. August 20, 2015. Retrieved from http://www.windatlas.ca/en/rose.php?field=EU&height=80&season=ANU&no=24&ni=930&nj=189
V661
T13
T12
Hydro Line Road
Beec
hwoo
d Li
ne
T14
V663
P48
R104R196
R197
R26
V587
V589 V590
V662
T3
T2
T1
Monitor
474000
474000
474500
474500
475000
475000
475500
475500
476000
476000
4819
500
4819
500
4820
000
4820
000
4820
500
4820
500
4821
000
4821
000
4821
500
4821
500
FRAME COORDINATES ARE UTM IN METRES
Figure 1a: Monitoring Location V661
Beec
hwoo
d Li
ne
Summerhill Rd
R1
R10
V642
V643
R3
T10
T9
R9
V647
R33
V596
R32
Monitor
476200
476200
476400
476400
476600
476600
476800
476800
477000
477000
477200
477200
477400
477400
477600
477600
4823
800
4823
800
4824
000
4824
000
4824
200
4824
200
4824
400
4824
400
4824
600
4824
600
4824
800
4824
800
4825
000
4825
000
4825
200
4825
200
4825
400
4825
400
4825
600
4825
600
4825
800
4825
800
FRAME COORDINATES ARE UTM IN METRES
Figure 1b: Monitoring Location R3
015
30
45
60
75
90
105
120
135
150165
180195
210
225
240
255
270
285
300
315
330345
Figure 2a: Wind Direction - Monitoring Location V66110 m Height Wind Speeds 4-7 m/s
ON Condition, December 12, 2015 to January 14, 2016
7
6
5
4
015
30
45
60
75
90
105
120
135
150165
180195
210
225
240
255
270
285
300
315
330345
Figure 2b: Wind Direction - Monitoring Location V66110 m Height, Wind Speeds 4-7 m/s
OFF Condition, October 9, 2015 to January 14, 2016
7
6
5
4
015
30
45
60
75
90
105
120
135
150165
180195
210
225
240
255
270
285
300
315
330345
Figure 3a: Wind Direction - Monitoring Location R310 m Height, Wind Speeds 4-7 m/s
ON Condition, December 12, 2015 to January 14, 2016
7
6
5
4
015
30
45
60
75
90
105
120
135
150165
180195
210
225
240
255
270
285
300
315
330345
Figure 3b: Wind Direction - Monitoring Location R310 m Height, Wind Speeds 4-7 m/s
OFF Condition, October 9, 2015 to January 14, 2016
7
6
5
4
20
25
30
35
40
45
50
55
60
3.5 4 4.5 5 5.5 6 6.5 7 7.5
Sound P
ressure
Level [d
BA
]
10 m Height Wind Speed [m/s]
Figure 4a: St Columban Wind Project, Fall Immission ResultsMonitoring Location V661, October 9, 2015 to January 14, 2016
ON OFF ON-OFF Criteria Poly. (ON) Poly. (OFF)
20
25
30
35
40
45
50
55
60
3.5 4 4.5 5 5.5 6 6.5 7 7.5
Sound P
ressure
Level [d
BA
]
10 m Height Wind Speed [m/s]
Figure 4b: St Columban Wind Project, Fall Immission ResultsMonitoring Location V661, October 9, 2015 to January 14, 2016
ON OFF ON-OFF Criteria
20
25
30
35
40
45
50
55
60
3.5 4 4.5 5 5.5 6 6.5 7 7.5
Sound P
ressure
Level [d
BA
]
10 m Height Wind Speed [m/s]
Figure 5a: St Columban Wind Project, Fall Immission ResultsMonitoring Location R3, October 9, 2015 to January 14, 2016
ON OFF ON-OFF Criteria Poly. (ON) Poly. (OFF)
20
25
30
35
40
45
50
55
60
3.5 4 4.5 5 5.5 6 6.5 7 7.5
Sound P
ressure
Level [d
BA
]
10 m Height Wind Speed [m/s]
Figure 5b: St Columban Wind Project, Fall Immission ResultsMonitoring Location R3, October 9, 2015 to January 14, 2016
ON OFF ON-OFF Criteria
APPENDIX A: HISTORICAL WIND ROSE
Figure A1: Annual Wind Rose [7]
APPENDIX B:
MONITORING LOCATION PHOTOS
Photo of Instrumentation at Receptor R3
Sound Level Meter
Meteorological Tower
T09
Photo of Instrumentation at Receptor V661
Sound Level Meter T03
Meteorological Tower
APPENDIX C: CALIBRATION CERTIFICATES
AC-1746
Standard: ISO/IEC 17025
Page 1 of 2
SOH Wind Engineering LLC
141 Leroy Road ∙ Williston, VT 05495 ∙ USA
Tel 802.316.4368 ∙ Fax 802.735.9106 ∙ www.sohwind.com
CERTIFICATE FOR CALIBRATION OF ANEMOMETER
Certificate number: 14.US1.00888 Date of issue: January 22, 2014
Type: NRG #40C Serial number: 179500229305
Manufacturer: Renewable NRG Systems Inc, 110 Riggs Road, Hinesburg, VT 05461, USA
Client: Renewable NRG Systems Inc, 110 Riggs Road, Hinesburg, VT 05461, USA
Anemometer received: January 17, 2014 Anemometer calibrated: January 22, 2014
Calibrated by: tjl Calibration procedure: IEC 61400-12-1:2005(E) Annex F