Chapter
Aug 30, 2024
Utilities in Multi-Purpose or Shared Structures
Authors: Ray Awad, P.Eng. [email protected], Jim Geisbush, P.E., F.ASCE [email protected], and Jey Jeyapalan, Ph.D., P.E., M.ASCE [email protected]Author Affiliations
Publication: Pipelines 2024
ABSTRACT
With population growth, expansion of industrial demands, and the challenges of installing high voltage (HV) and extra high voltage (EHV) cables in dense urban and other locations, structures such as tunnels and bridges for multi-purpose use are becoming attractive options. They offer the potential for reduced overall costs, environmental advantages, and less disruption to the community during the installation, maintenance, and replacement of cables and other utilities. The International Council on Large Systems (CIGRE) released a Technical Brochure 403 in 2010 through Working Group B1.08 titled “Cable Systems in Multi-Purpose or Shared Structures.” This brochure was developed to (1) establish the appropriate terminology; (2) collect global data on the experience with the use of multi-purpose and shared structures for the installation of cable systems; (3) provide a survey of technical aspects, such as types of cables, design of the structure, installation, mutual impacts among the utilities, maintenance, and operational constraints; (4) provide economic, occupational health and safety aspects, administrative matters, legal aspects, and decision-making process; (5) summarize and review the information to identify the issues that need to be considered when installing insulated cables systems in multi-purpose or shared structures; and (6) recommend guidelines for the use of cables in such structures.
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REFERENCES
Dorison, E. (2003). “Current Rating of Cables Installed in Tunnels,” Jicable paper C.8.1.
Cigré. (1996). “TB 104 Magnetic Field in High Voltage Cable Systems” JTF 36-01/21.
Cigré. (2010). “B1-08 Cables in Multiple or Shared Structures.”
ElecLink Project. (2017). Strategic Energy Infrastructure Supporting the Transition to Lower Carbon Economy.
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Published online: Aug 30, 2024
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1President and Principal Engineer, Ray Awad, Inc., Montreal, QC, Canada. Email: [email protected]
2Senior Civil Reliability Engineer, Central Arizona Project, Phoenix, AZ. Email: [email protected]
3President and Principal Engineer, Civic Enterprises LLC, Middletown, CT. Email: [email protected]
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