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Construction
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Construction time
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Short - No tunnels and only tower bases and elevated stations
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Long:
- Requires 2 - 3 tunnels (several years)
- Requires major relocation of underground services.
- whole route has to be constructed including power supply
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Disruption during construction
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Minimal construction disruption to business with offsite construction except for stations and tower bases
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Major disruption along whole route which will necessitate WCC funding business for loss as per Auckland
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Cost
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Cheaper, as no tunnels.
Less impact on underground services with careful placement of support columns; allowing subsequent maintenance of services without disruption to SR schedules.
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More expensive as it requires:
- 2 - 3 tunnels
- Overhead lines
- Relocation of underground services along the entire route, e.g. sewerage, water, power, telecommunications.
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Provides multiple route options to destinations
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Yes, opens multiple route options to future destinations as it can travel:
- over undeveloped land
- Across steep hill sides
- Across obstacles
- Up/down steeper gradients
- down narrower streets.
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Limited route options available as it requires flat formed track.
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Safety
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The implementation of the Health and Safety legislation means GWRC cannot opt out of risk liabilities by engaging service providers.
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There’s no risk of accidents with people, cycles, vehicles.
Level of risk similar to scheduled airlines - i.e. 2 orders of magnitude safer than equivalent road transport..
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Significant Risk - There’s plenty of evidence of overseas accidents involving pedestrians and cyclists crossing the tracks not to mention vehicle accidents with Trams that then block the route for hours.
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