LETTER NO. L‐110‐09
SIXTH FLOOR, 900 HOWE STREET, BOX 250
ERICA M. HAMILTON
VANCOUVER, B.C. CANADA V6Z 2N3
COMMISSION SECRETARY
TELEPHONE: (604) 660‐4700
Commission.Secretary@bcuc.com
BC TOLL FREE: 1‐800‐663‐1385
web site: http://www.bcuc.com
FACSIMILE: (604) 660‐1102
Log No. 30699
VIA E‐MAIL
COURIER TO DR. A. MCMURTRY
December 3, 2009
BC TC VCCT‐PROJECT‐CPCN
EXHIBIT A‐4
TO: Registered Intervenors (BCTC‐VCCT‐RI)
Re: An Application by British Columbia Transmission Corporation
for a Certificate of Public Convenience and Necessity
for the Vancouver City Central Transmission Project
Request for Comment on BCTC Letters of December 2, 2009
Further to Order G‐122‐09 dated October 8, 2009, the Commission held a Procedural Conference on November 25, 2009.
The purpose of the procedural conference was to identify the principal issues arising from or related to the Application,
consider options for the review of the Application, including an oral public hearing, a written public hearing or some other
process, discuss whether any Intervenors intended to submit written evidence, and review the Regulatory Timetable going
forward.
During the Procedural Conference, the Commission Chair directed the Protest New Powerlines (“PNP”) group represented by
Dr. A. McMurtry, to file by Monday, November 30, 2009, the names and curricula vitae (“CV’s”) of its witnesses, the scope of
their evidence, and the potential timing. PNP submitted a list of signatures (Exhibit C3‐1‐1), a Report on the Evaluation of the
Possible Risks from EMFs (Exhibit C3‐3), and a copy of the Testimony of David A. Harrison from the BC Hydro Boundary Road
Inquiry March 1995 (Exhibit C3‐4) at the Procedural Conference. On November 28, 2009, PNP submitted the BioInitiative
Report ‐ A Rationale for a Biologically‐based Public Exposure Standard for Electromagnetic Fields (ELF and RF) from August 31,
2007 (Exhibit C3‐5). On November 30, 2009, PNP submitted the name and a brief summary of the experience of its proposed
expert witness, Mr. Walt McGinnis (Exhibit C3‐6). It is proposed that Mr. McGinnis provide ELF magnetic field measurements
of an underground power line similar to the proposed installation.
On December 2, 2009, BCTC filed comment letters on the positions put forward by the Intervenors at the Procedural
Conference and on the submissions filed by PNP.
The Commission Panel now requests comments from the Intervenors on the attached BCTC letters of December 2, 2009.
Please provide your comments, in writing, on or before Wednesday, December 9, 2009.
Yours truly,
Original signed by:
Constance M. Smith
DJF/cms
for:
Erica M. Hamilton
Enclosures
BCTC Exhibits B‐4 and B‐5
cc: Ms. Janet Fraser, Director, Regulatory Affairs
Ms. Joanna Sofield, Chief Regulatory Officer
British Columbia Transmission Corporation
British Columbia Hydro and Power Authority
janet.fraser@bctc.com; bctc.regulatory@bctc.com
bchydroregulatorygroup@bchydro.com
PF/BCTC_VCCT CPCN/A‐4_L‐110‐09_Rqst‐Intvr‐Cmnts_BCTC_Evidence Cmnts
B-4
Fasken Martineau DuMoulin LLP *
www.fasken.com
Barristers and Solicitors
Patent and Trade-mark Agents
2900 - 550 Burrard Street
FASKEN~
Vancouver, British Columbia, Canada V6C OA3
MARTINEAU '--V
604631 3131 Telephone
604631 3232 Facsimile
Robert M. Lonergan
Direct 6046314718
Facsimile 6046324718
rlonergan@fasken.com
December 2, 2009
File No.: 260254.00129
VIA ELECTRONIC FILING
British Columbia Utilities Commission
6th Floor, 900 Howe Street
Vancouver BC
Attention:
Commission Secretary
Dear Sirs/Mesdames:
Re:
BCTC VCCT Project CPCN Application
Please find enclosed the Submission of BCTC on a Procedural Order following the
Procedural Conference on 25 November 2009.
Yours truly,
FASKEN MARTINEAU DuMOULIN LLP
c=~~ ~
.-.. RMOsyy··-----·-·-----
Enc!.
DM_VAN/260254-0012917477303.\
Vancouver
Calgary
Toronto
Ottawa
Montreal
Quebec City
London
Paris
Johannesburg
In the Matter of the Utilities Commission Act RSBC 1996, c. 473
Re: British Columbia Transmission Corporation
Application for a Certificate of Public Necessity and Convenience (CPCN)
for the Vancouver City Central Transmission Project (VCCT Project)
Submission of BCTC on a Procedural Order
following the Procedural Conference on 25 November 2009
The Issues Canvassed at the Procedural Conference
1.
At the opening of the Procedural Conference on 25 November 2009, the Commission
Panel outlined the issues to be addressed:
(a)
whether any intervenors intended to file any evidence;
(b)
whether additional Information Requests were needed;
(c)
whether the hearing should be written or oral;
(d)
the regulatory process to be followed going forward.
Transcript, page 3, lines 2 - 10
2.
BCTC made submissions on these issues during the course of the Procedural Conference.
We do not propose to repeat those submissions here.
The Remaining Issues
3.
However, at the close ofthe Procedural Conference on November 25, the extent to which
Dr. McMurtry would be given leave to file further documentary and expert evidence
remained open.
Further Documents
4.
Dr. McMurtry expressed a potential interest in filing intervenor evidence.
Commission
counsel expressed the intention of Commission staff to assist Dr. McMurtry in filing
documents as evidence immediately following the hearing. BCTC understands that this
was done.
5.
Dr. McMurtry was given, and has taken, the opportunity to file further documents as she
wished to do.
BCTC is prepared to address those documents in written argument.
DM_VAN/260254-0012917477219.\
- 2
Expert Opinion Evidence on the Effect ofEMF on Human Health
6.
During the Procedural Conference, Dr. McMurtry described her concern about EMF:
"Yeah. I'm not - I know this is simply - you just want us to list
what would be doing.
But I'm just representing the ordinary
citizen living along these transmission lines and their concern
about a possible negative impact to their health, long-term. That's
why I'm here."
Transcript, page 7, lines 14 - 19;
See also generally, Transcript, page 11, line 15 - page 17, line 11
7.
Dr. McMurtry described two potential experts and expressed a potential interest in filing
an expert report. Submissions were made by the parties on the prospect of further expert
evidence on this issue. The Panel commented as follows:
"Ma'am, the problem is that you need to establish that EMF is bad
for you. That is the first hurdle and that's what you need an expert
report for."
Transcript, page 16, lines 6 - 9
8.
Ultimately, the Commission Panel gave Dr. McMurtry leave to file information on the
following by Monday, November 30, 2009:
(a)
the identity of the experts;
(b)
their CVs;
(c)
a brief comment on the scope of their intended evidence;
(d)
a date by which they would provide a final report.
Transcript, page 41, lines 10 - 25
9.
On Monday, November 30, Dr. Murtry filed Exhibit C 3-6, a letter form Mr. Walt
McGinnis. In Exhibit C 3-6, Mr. McGinnis states, amongst other things:
"I have been asked by Dr. Anne McMurtry to provide ELF
magnetic field measurements of an underground power line similar
to the proposed installation."
10.
Mr. McGinnis has not provided a separate CV. In Exhibit C 3-6, he describes himself as
a "licenced electrician". He does not suggest that he is qualified to give expert evidence
on the human health effects of EMF nor does his letter reflect any relevant experience or
knowledge on the effect of EMF on human health. At best, the letter indicates that Mr.
McGinnis' experience is limited to measuring EMF.
DM3AN/260254-00129/7477219.1
- 3
Exhibit C 3-6
11.
The Commission has issued eight decisions in the past two and a half years on the issue
of EMF and health. These decisions have consistently rejected the claim that EMFs pose
health hazards.
12.
In Re British Columbia Transmission Corporation An Application For A Certificate Of
Public
Convenience
And
Necessity
For
The
Vancouver
Island
Transmission
Reinforcement Project, the Commission set forth the standards for its review of matters
related to EMF.
The Commission held that the EMF exposure guidelines developed by
International Commission on Non-Ionizing Radiation Protection (ICNIRP) and endorsed
by World Health Organization are the appropriate guidelines for considering the safety of
EMF levels and that evidence that EMF levels from a proposed project are below the
established guidelines is convincing and conclusive that there are no sufficient public
health risks associated with the EMF exposure. The Commission's other decisions have
followed this approach.!
13.
In view of these decisions, it is BCTC's submission that Dr. McMurtry has a significant
burden to overcome in opposing this Application on the basis of a concern about the
impact of EMF on public health.
This position is reflected in the comments by the
Commission Panel during the course of Procedural Conference on November 25, quoted
above.
14.
Dr. McMurtry was given a fair opportunity to demonstrate an intention to file expert
opinion evidence in an effort to meet that burden. She has not taken that opportunity:
(a)
While the identity of a proposed expert has been provided, a proper CV has not.
To the extent that evidence of qualifications has been provided, it demonstrates
only that the proposed expert is a licenced electrician.
(b)
Mr. McGinnis does not propose to provide opinion evidence on the effects of
EMF on human health.
! Re British Columbia Transmission Corporation An Application For A Certificate Of Public Convenience And
Necessity For The Vancouver Island Transmission Reinforcement Project, Decision (C-4-06, July 7, 2006); Re
Fortisbc Inc. Certificate Of Public Convenience And Necessity For The Ellison Substation Project, Reasons For
Decision (C-4-07, May 10, 2007), Re Fortisbc Inc. Certificate Of Public Convenience And Necessity Black
Mountain Substation Project, Decision (C-7-07, July 9,2007), Re Fortisbc Inc.
Customer Complaints Regarding
The Naramata Substation Project, Decision (G-124-07, October 12, 2007); British Columbia Transmission
Corporation And An Application For A Certificate OfPublic Convenience And Necessity For The Interior To Lower
Mainland Transmission Project, Decision (C-4-08, August 5, 2008); Re Fortisbc Inc. And An Application For A
Certificate OfPublic Convenience And Necessity For The Okanagan Transmission Reinforcement Project, Decision
(C-5-08, October 2, 2008); Re British Columbia Transmission Corporation Certificate OfPublic Convenience And
Necessity Central Vancouver Island Transmission Project, Decision (C-6-08, December 10,2008); Re FortisBc Inc.
And An Application For A Certificate OfPublic Convenience And Necessity For The Benvoulin Substation Project,
Decision (C-I-09, January 20,2009).
DM_VAN/260254-00!29/74772!9.!
- 4-
15.
Exhibit C 3-6 does not meet the requirements set out by the Commission Panel on
November 25.
16.
The scope of Mr. McGinnis' proposed evidence is:
". ,. ELF magnetic field measurements of an underground power
line similar to the proposed installation."
17.
Dr. McMurtry has not demonstrated how this evidence will assist the Commission in its
consideration of the issues properly before it in this Application.
It is BCTC's
submission that the Commission ought to decline to give Dr. McMurtry leave to file Mr.
McGinnis' evidence, along with the associated delay in the VCCT CPCN process.
The Regulatory Process Going Forward
18.
BCTC submits that the issues identified by the Commission Panel have been addressed
and that this Application ought to move forward as follows:
(a)
A written process should be followed;
(b)
BCTC would deliver its written argument by Friday, December 11;
(c)
Intervenors would deliver their response arguments by Thursday, December 24;
(d)
BCTC would file rebuttal argument, if necessary, by Friday, January 8.
ALL OF WHICH IS RESPECTFULLY SUBMITTED
Dated:
December 2, 2009
Solicitors for Briti
Gerpormw'lU-~
DM_VAN/260254-0012917477219.1
B-5
Fasken Martineau DuMoulin LLP *
www.fasken.com
Barristers and Solicitors
Patent and Trade-mark Agents
2900 - 550 Burrard Street
Vancouver, British Columbia, Canada V6C OA3
FASKEN~
MARTINEAU \.Y
604631 3131 Telephone
604631 3232 Facsimile
Robert M. Lonergan
Direct 604631 4718
Facsimile 6046324718
rlonergan@fasken.com
December 2,2009
File No.: 260254.00129
VIA ELECTRONIC FILING
British Columbia Utilities Commission
6th Floor, 900 Howe Street
Vancouver BC
Attention:
Commission Secretary
Dear Sirs/Mesdames:
Re:
BCTC VCCT Project CPCN Application
We are the solicitors for British Columbia Transmission Corporation ("BCTC").
Please find enclosed the Supplementary Submission of BCTC on a Procedural Order
following the Procedural Conference on 25 November 2009.
We confirm that 20 copies of the enclosure and of the Submission filed earlier today will
be delivered to the Commission.
Yours truly,
FASKEN MARTINEAU DuMOULIN LLP
..........~
RML/s'-n:7--------
Enc!.
DM_VAN/260254-0012917477649.1
Vancouver
Calgary
Toronto
Ottawa
Montreal
Quebec City
London
Paris
Johannesburg
In the Matter of the Utilities Commission Act RSBC 1996, c. 473
Re: British Columbia Transmission Corporation
Application for a Certificate of Public Necessity and Convenience (CPCN)
for the Vancouver City Central Transmission Project (VCCT Project)
Supplementary Submission of BCTC on a Procedural Order
following the Procedural Conference on 25 November 2009
1.
This submission is supplementary to the "Submission of BCTC on a Procedural Order
following the Procedural Conference on 25 November 2009", particularly with respect to
paragraphs 9 and 17 of that submission, filed earlier today.
2.
At paragraph 9 of that submission, the following a statement found in Exhibit C 3-6 is
quoted:
"I have been asked by Dr. Anne McMurtry to provide ELF
magnetic field measurements of an underground power line similar
to the proposed installation."
3.
There are already such measurements in the record before the Commission. A report by
Powertech Labs Inc. is included at Appendix C of Appendix Q of Exhibit B-1.
In that
document, Powertech reports measurements of magnetic fields taken along a 230kV
underground transmission circuit in the north east part of the City of Vancouver.
For
ease of reference, a copy of Powertech report is attached to this Submission.
4.
Dr. McMurtry has not filed any evidence to suggest that the measurements in the
Powertech report are inaccurate or otherwise unreliable.
5.
As noted in BCTC's submission of earlier today, at the Procedural Conference, the Panel
commented as follows:
"Ma'am, the problem is that you need to establish that EMF is bad
for you. That is the first hurdle and that's what you need an expert
report for."
Transcript, page 16, lines 6 - 9
6.
The measurements proposed by Mr. McGinnis would not provide any additional evidence
on the relationship between EMF and human health.
7.
In summary, no reason has been given for repeating measurements, evidence of which is
already on the record.
The further delay and expense that would result cannot be
justified.
DM3AN/260254-00!29/7477620.!
- 2 -
8.
For these reasons, it is the submission of BCTC that Dr. McMurtry ought not be given
leave to file evidence of the type described in Exhibit C 3-6.
ALL OF WHICH IS RESPECTFULLY SUBMITTED
Dated:
December 2, 2009
Solicitors for Briti h Columbia Transmission
CoqroFati.on...____
DM_VAN/260254-00129/7477620.1
Vancouver City Central Transmission Project - AP~Q;\g~~tl<m::G2tM5JOO~~ic Field Level Assessment Report
Fields Along Typical 230 kV Cable Corridors Interconnecting 'Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
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•
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APPENDIX C:
POWERTECH REPORT
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BChgdro
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject -ComR~~f~W~!~t!iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable Corndors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
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•
PClVVertech· m Powertech Labs Inc.· 12388· 88th Avenue. Surrey. B.C. Canada. V3W 7R7
POWERTECH LABS INC.
MAGNETIC FIELD MEASUREMENT ALONG
A 230 KV CABLE CORRIDOR ON EAST PENDER
STREET AND WINDERMERE STREET
PROJECT NO. 18799-27
January 2009
•
ABSTRACT:
Magnetic measurements were performed along a 230 kV cable corridor on East
Pender 51. and Windermere 51. near the PNE.
Magnetic fields (60 Hz) were measured at one
meter above the ground level. The measurements were made at the locations requested by BC
Hydro. The highest magnetic field level measured was 44 mG and the lowest was 26 mG.
TESTED BY:
PREPARED BY:
~
B. iZitson
M. ~ang:R~D, P;E~g, j"~~.2 7Z-(J(I q
Senior Technician
Semor Electntal Engineer
I
This report shall not be reproduced except in fuN, WIthout the written approval of Powertech Labs Inc.
Project No: 18799-27
January 2009
Page 1 of 17
BChgdro
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject -ComR~~f~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable COrridors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
.,," ",c~""""."_."""",,,,· .., .."" •..k .._,_ ...,_" ~ ••'_._, ~.~.",.",...,~ '
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•
Be Hydro Electric and Magnetic Reid Measurements - Project No. 17698-27
TABLE OF CONTENTS
1.
SUMMARY
2.
REQUEST
3.
TESTS PERFORMED
4.
TEST RESULTS
4.1
Magnetic Field Measurements Procedure
4.2 Magnetic Field Measurements
5.
CONCLUSION
6.
APPENDIX I • TEST SITE DRAWING AND PHOTOS
7.
APPENDIX 11- MEASUREMENT EQUIPMENT SPECIFICATION
•
This report shaH not be reproduced except in lult. without the written approval of Powertech Labs Inc.
Project No: 18799-27
January 2009
BChydro
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Page 2 01 17
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject - ComRbtWr\~f~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable Corndors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
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Be Hydro Electric and Magnetic Field Measurements - Project No. 17698·27
Powettech Labs Inc.
1. SUMMARY
Magnetic measurements were performed along a 230 kV cable corridor on East Pender St. and
Windermere St. near the PNE. Magnetic fields (60 Hz) were measured at one meter above the
ground level. The measurements were made at the locations requested by BC Hydro. The
highest magnetic field level measured was 44 mG and lowest was 26 mG.
2. REQUEST
Mr. Suclhakar Cherukupalli from BC Hydro Transmission Cables Engineering, requested Powertech
Labs Inc. to perform magnetic field measurements along a 230 kV cable corridor on East Pender
St. and Windermere St. near PNE area.
3. TESTS PERFORMED
Power frequency magnetic field measurements were performed along a 230 kV cable corridor on
East Pender St. and Windermere St. near the PNE.
The measurements were performed at the
locations shown in Figure 1 and Table 1.
The measurements were done at one meter above
ground level.
•
4. TEST RESULTS
4.1
Magnetic Field Measurements Procedure
The magnetic field measurements were made on January 21, 2009.
A calibrated tri-axial
magnetic field meter (Emdex C-143) was used for the magnetic field readings at one meter
above ground level and every 10 meter along the cable corridor.
The meter was calibrated
on January 20, 2009, prior to the site measurement.
4.2
Magnetic Field Measurements
Measurements were made along the 230 kV cable corridor.
Figure 1 gives a drawing of
the measurement location and results and Figure 2 shows a plot of the measured results.
Table 1 lists the locations and measurement results.
AppendiX I shows the test site
drawings and photos. AppendiX II gives the test instrument details.
This repott shall not be reproduced except in fun, without the written approval ofPowettech Labs Inc.
Project No: 18799·27
January 2009
Page 3 of 17
BChydro
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject -ComR~~f~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable Corndors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
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Figure 1 - Cable corridor magnetic field measurement location and data
This report shall not be reproduced except in full, without the written approval of Powertech Labs Inc.
PrOject No: 18799-27
January 2009
Page 4 ot 17
.•' .•...
., ~
BChgdro
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission Project - Com.RW~Wf~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable Corridors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
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•
Be Hydro Electric and Magnetic Field Measurements - Project No. 17698-27
Powertech Labs Inc.
Magnetic field measurement
50
45
40
35
Ii
.
S
.
. 30
"Cl
::
u
25
i
i 20
:
"
:Ii
15
10
5
~
0
0
50
100
150
200
250
300
350
400
Distance along cable corridor (m,
Figure 2 - Magnetic measurement results
This report shall not be reproduced except in fun, without the written approval of Powertech Labs Inc.
Prolecl No: 18799-27
January 2009
Page 5 of 17
BChydro
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject -ComR~~f~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable COrridors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
_•.,.".,."""...-_"_"""._ ......<-__.............'*""...~"~__..,.,.... ."..--...""""_._~ ..,,.-...,,...,~'''''' ...._.......""..._~'""''''' ..._ ........,,''''_....''''_,.,.._.~..~· ....."'.'''''.'''_''"''''·.''''.-"~.~_·H,.."".,.._-- .. ,""__...,'~~ ....~"-.."-.' ,............~".,'-,."' ....."
Be Hydro Electric and Magnetic Field Measurements • Project No. 17698-27
Table 1 - 60 Hz magnetic measurement results
Distance
Street
Direction
(m)
6.5
Windermere
To North
BCH 1
st
manhole
7.5
Windermere
BCH 2
nd
manhole
Windermere
10
Windermere
20
Windermere
30
Windermere
40
Windermere
50
Windermere
60
Windermere
70
Windermere
80
Windermere
90
Windermere
100
Windermere
110
Windermere
120
Windermere
130
Windermere
140
Windermere
150
Windermere
155
+ E Pender
E Pender
To east
160
E Pender
170
E Pender
180
E Pender
190
E Pender
200
E Pender
210
E Pender
220
This report shall not be reproduced except in full. without the written approval ofPowertech Labs Inc.
Project No: 18799-27
January 2009
BChgdro
Powertech Labs Inc.
Magnetic
Time
Current (A)
Field (mG)
25.8
11:24 am
365.75
35.0
11:25 am
26.0
26.9
11:26 am
25.3
25.9
11:29 am
30.7
11:30 am
359.97
41.0
11:34 am
35.0
36.0
44.0
42.0
11:36 am
359.97
I
40.0
11:44 am
362.40
•
40.0
40.0
37.0
42.0
38.0
39.0
38.0
11:57 am
363.90
39.0
12.02 pm
363.90
41.0
41.0
44.0
46.0
Page 6 of 17
ENGINEERING
Report No. E715
April 2009
WPR-2700
Vancouver City Central Transmission P~oject -ComR~~f~iMagnetic Field Level Assessment Report
Fields Along Typical 230 kV Cable COrridors Interconnecting Sperling,
Mount Pleasant and 2L32 - Magnetic Field Levels Assessment Report
.~_,,,,]_~,,,,,,,,.~_,,,,.~,,,,,,,,,,,,,,_,,,,,,,_,_~,__,,.,,_.,,,••
,,•.,, •.••_,,,~._,._,...!'"
".,....,." ...._~·..,.."__....... ",...,~,.._
•
Be Hydro Electric and Magnetic Fteld Measurements • Protect No. 17698-27
Distance
Street
Direction
(m)
E Pender
230
E Pender
240
E Pender
250
E Pender
260
E Pender
270
E Pender
280
E Pender
290
E Pender
300
E Pender
310
E Pender
320
E Pender
330
E Pender
340
E Pender
350
E Pender +
Lillooet
360
•
,
5. CONCLUSION
Magnetic field measurements were performed along a 230 kV cable corridor on East Pender St.
and Windermere St. near PNE area on January 21, 2009.
measured at one meter above the ground level at the locations requested by Be Hydro.
highest magnetic field level measured was 44 mG and lowest was 26 mG, the reported current at
the time of the measurements were from 359.97 A to 363.90A.
This report shall not be reprodUced except in fuJI, without the written approval of Powertech Labs Inc.
Project No: 18799-27
January 2009
BChydro
...._I_'"'"".........~,............ ~''".'''',:<''~.c:~;,.."."..;_' ..·,,"__•· ........... ,_, ..",.'"_,..,...-_".._ •..~"~ .....'_
Powertech Labs Inc.
Magnetic
Time
Current (A)
Field (mG)
43.0
43.0
35.0
35.0
32.0
32.1
30.8
27.4
29.3
39.0
40.0
31.0
38.0
12:27 pm
360.9
42.0
The magnetic fields (60 Hz) were
The
Page 7 of 17
ENGINEERING
Report No. E715
April 2009
WPR-2700
You are being directed to the most recent version of the statute which may not be the version considered at the time of the judgment.