steveintoronto
Superstar
Further to the above:
There are a number of examples where rail and electricity share the same corridor, rather than linking those references (I'll link more opportune ones to copy later) this is of great interest, from the US Gov't General Accounting Office on doing the opposite, using existing rail corridors to run (as Quebec does) HVDC lines. Ontario uses the more conventional AC system, for the purposes of our discussion, it makes little difference:
Here's another, I was reading the report on-line, but it was not possible to copy sections, but the Globe's cover story on it is:
Again, under the Ontario Electricity Act, this use is not only allowed, it's promoted.
There are a number of examples where rail and electricity share the same corridor, rather than linking those references (I'll link more opportune ones to copy later) this is of great interest, from the US Gov't General Accounting Office on doing the opposite, using existing rail corridors to run (as Quebec does) HVDC lines. Ontario uses the more conventional AC system, for the purposes of our discussion, it makes little difference:
http://www.gao.gov/assets/100/95343.html[...]
Congress included a provision in the Implementing
Recommendations of the 9/11 Commission Act of 2007 requiring us to
assess the siting of HVDC transmission lines along active railroad and
other transportation rights of way[Footnote 4] and report to
appropriate congressional committees. In response to this requirement
and after discussions with the committees, we examined (1) the role of
the federal government in siting HVDC electric transmission lines along
active transportation rights of way, (2) advantages and disadvantages
of adding transmission lines and using HVDC technology, and (3)
benefits and risks associated with the siting of HVDC electric
transmission lines along active transportation rights of way.
[...]
We also identified potential benefits and risks resulting from the
collocation of transmission lines along transportation rights of way.
According to studies we reviewed and stakeholders we interviewed,
potential benefits of collocation may include ease of construction and
maintenance of the transmission lines and the reduction of
environmental and visual impacts. For example, electricity stakeholders
told us that building along rights of way may avoid constructing lines
in undisturbed lands. In addition, stakeholders told us that it may be
less costly to acquire the right to add a new transmission line to an
existing right-of-way from a single owner--such as a pipeline, highway,
or railroad--than it would be to acquire the needed rights from
multiple property owners. Potential risks of collocation may include
the increased likelihood of safety and security incidents due to the
proximity of the transmission lines and the transportation
infrastructure. For example, train derailments or highway crashes
potentially could damage transmission lines and fallen transmission
lines could damage transportation infrastructure. In addition, a
collocated transmission line and natural gas line may be a more
desirable terrorist target than either facility on its own. Federal and
state officials told us they have not conducted studies specifically on
these risks, but they expect the probability of these occurrences to be
low. Several infrastructure owners and other stakeholders that we
interviewed said that steps, such as adhering to required clearance
distances for infrastructure maintenance and conducting risk
assessments, can be taken to mitigate the potential risks associated
with collocation.[...]
Here's another, I was reading the report on-line, but it was not possible to copy sections, but the Globe's cover story on it is:
http://www.theglobeandmail.com/repo...rough-canadas-north-proposed/article30178634/Proposed 7,000-kilometre resource corridor would improve life in Canada's North, researchers say
Eric Atkins
The Globe and Mail
Published Thursday, May 26, 2016 4:23PM EDT
[...]
Pipelines, railways, roads, electricity and transmission lines would share the right of way that extends from the Pacific to Atlantic oceans, the Beaufort Sea to the north, as well as Hudson Bay and the St. Lawrence Seaway, connecting to existing rails, roads, pipes and ports in the southern part of Canada.
“We think that it’s got incredible potential merit in lowering trade costs between provinces and lowering trade costs in getting some of these landlocked areas access to tidewater,” said G. Kent Fellows, a research associate at University of Calgary’s School of Public Policy and a co-author of the feasibility study. [...]
Again, under the Ontario Electricity Act, this use is not only allowed, it's promoted.
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