Rebuilding the 120-kV lines in Gatineau and L'Ange-Gardien - Hydro-Québec
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Rebuilding the 120-kV lines in Gatineau
and L’Ange-Gardien
G E N E R A L I N F O R M AT I O N • S e p te m b e r 2 0 1 4
Project description
In order to modernize its electrical system, Hydro-Québec plans to rebuild the lines of its
120-kV network, mainly located in the city of Gatineau.
Between the Vignan and Produits-Forestiers-Résolu substations in Gatineau, Hydro-Québec
proposes rebuilding one of the two current lines and dismantling the other.
In addition, the line section that stretches to Templeton substation, also located in Gatineau,
will be rebuilt, as will the section between Templeton and Interconnexion-Maclaren substations,
in the Masson-Angers sector of Gatineau.
Commissioning will take place in 2018.
Project justification
Hydro-Québec must modernize and secure its high-voltage transmission system in order
to maintain the quality of power supply for all of its residential and industrial customers in
Gatineau and its surroundings.
The company makes decisions based on the age, condition and performance of its
high-voltage transmission system and its components.
Hydro-Québec proposes dismantling and rebuilding the lines to better meet current
standards, including resistance to ice-loading and heavy winds.
Defining the study area
Hydro-Québec has defined a study area to take into account various technical and
environmental issues related to rebuilding high-voltage lines.
It covers an area of approximately 28 km2. It is mainly located in the city of Gatineau
(24.5 km2) and occupies a smaller area (3.5 km2) in the southern part of the municipality
of L’Ange-Gardien (MRC des Collines-de-l’Outaouais).
From Vignan to Produits-Forestiers-Résolu substations, both located in the Gatineau sector,
the study area covers 100 m on either side of the existing lines.
In the eastern part of the Gatineau sector, the study area covers some 200 m on either side
of the existing line given its orientation with respect to the built environment.
Near Templeton substation, east of Boulevard Lorrain (Route 366), the study area widens
to take into account the presence of Gatineau-Ottawa Executive Airport, in the eastern
part of Gatineau. Widening the area simplifies the process of examining where the line
75°40' 75°35'
to be rebuilt crosses Highway 50 in the Gatineau and Masson-Angers sectors in the city
of Gatineau as well as in L’Ange-Gardien.
Val-de
366
Can tle
s
-Mo nts
Lac
e
y, M
lanch
Charbonneau
,M
B
ère
Rivi
3117-3118
bstation
To Vignan su
45°33'
Les Collines-de-l'Outaouais (MRC)
Val-de s-Monts, M
Gatineau (TÉ) Gatineau, V
Ruisseau
Chemin Saint-Columban Noue
ux
Montée Saint-Amour
Chemin Saint-Thom as
Paiement
Chemin Pro
R
iv
iè
Gatineau
re
366 an
sector
Bl
Monté e Dalto n
ch
e
Monté e
Chemin de Bellecha sse
ou
B
le
va
rd
L
or
rai
n
Gat
Autorou Exe
50 te de l'Outa
ouais
Boule vard Labrosse
Chemin Industriel
31
311 17-
45°30'
8
110
5
#
* Templeton substation
137 - Vignan substation
3 #
*
erg au
n
e ro
n -B d'e
13 c.
137 71- g Can
ada In
1( P) #
*
lto rs
&W yomin
Da o u
110 Gatineau C Ge n esee
Touraine 2 8
substation -136
8 136 in t- R e né E s t
Sa
To Rapides-Farmer
110
3 -110
6 B oul
ev
ar
d
366
Riv iè re Blanche
de l'Hôpital
Boule vard
and Limbour
substations
#
* Gatineau substation Lac y Es t
Beauchamp rd M alo ne
1102(D1)-1368(D2) 1102-1368(D1) u le va
Bo
Produits-
#
* Baie McLaurin
75°40'
Forestiers-Résolu
substation
148
75°35'
2
Technical and environmental
considerations
In light of current knowledge, the main technical and
environmental considerations related to the rebuilding
of these 120-kV lines are the following:
• sensitive elements such as wildlife, the built environment,
wetlands and cultivated land
• passing through protected agricultural land
• visual integration of the new facilities
• presence of a highway
• presence of an airport
75°30' To Petite-Nation substation
L'Ange-Gardien, M
Outaouais
Val-des-Monts, M
3121-3122
Lac Donaldson
substation )
1101(D3
#
* 3052-3053
45°36'
1(P)
1101(D3)-110
3117-3118
#
*
Erco Mondial
en, M
substation
(P )
Gatineau, V
101
di
)-1
L'A nge-Gar
2
- 15
(D3
151
1
110
Buckingham
sector
è re d u Lièvre
e
ch
an Poste d
Bl
l'Outaouais (MRC)
#
*
Les Collines -de-
e
ièr
1110014(
1
Gatineau (TÉ)
Rivi
Che min Proulx
e r iv
it
Pet
(DD22)
)
1101(D2)-1104(D2)
Chemin Filio
n
Interconnexion-
50
Ruisse au Clé ment
Maclaren To Thurso
oulx sustation substation
#
?
* 1101-1104
45°33'
?
Maclaren
Interconnection
Monté e Mineault
Ou
t ao
u ai
s
50
Masson-Angers
e l' 1101
ut ed sector
Au toro 151
ue st
Mont réal O - 152
tineau-Ottawa
in de
hem
ecutive Airport
C Baie Clément
1101
u Ch
arbo
n ne
au
148
Study Area Boundaries
se a
Ruis
Substations and transmission lines Municipality
Baie Regional county municipality (MRC) or
Carpentier #
* 120 kV equivalent territory (TÉ)
#
* 230 kV
(TÉ) #
*
n eau 315 kV
Gati
?
V 1101 Circuit number Hawthorne
au , s
?
t i ne ouai (voltage color)
Ga s Outa
e de ? Interconnection
ivièr
?
R 0 600 1 200 m
Line to be dismantled (120 kV) MTM, Zone 9, NAD83
Line to be rebuilt (120 kV) 7377_bu_geq_001_140827a.mxd
75°30' 75°25'
3
Studies
In the coming months, Hydro-Québec will
carry out environmental inventories and
technical surveys in the study area to better
understand the host environment.
Once these studies are completed, the
project team will propose solutions for the
rebuilding of these lines. The solutions will
be subject to comparative analyses based
on environmental, technical and economic
criteria, as well as community concerns. This
detailed analysis will be used to determine
the solution with the least impact.
Public participation
Favorable reception from local communities
is an essential condition for Hydro-Québec
projects. As a result, the company will
implement a public participation and
consultation process to ensure that project
studies are carried out in collaboration
with the host communities. The company
will thus be able to take into account the
concerns and expectations expressed by
the public and by key stakeholders so as
to best adapt the project to local realities.
Information
For more information on the project, contact:
Julie Léonard
Advisor – Community Relations – Laurentides
Direction – Affaires régionales et collectivités
E-mail: leonard.julie@hydro.qc.ca
Info-project line
1 800 465-1521, ext. 6022
hydroquebec.com
Ce document est également publié en français.
This is a translation of the original French text. Printed on paper made in Québec from
2014E0156-A 100% postconsumer recycled fibre.
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