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Blog commentary: Uncivil engineering – Canal or tunnel?

Posted by: Aqua Blog Maven on December 7, 2009 at 6:25 am

From the Delta National Park blog:

” … It is clear that the tunnel option is being seriously considered. This Delta Habitat Conservation and Conveyance Program comparison of the two isolated conveyance and the tunnel is illuminating.

Conclusions? The eastern isolated conveyance (the Peripheral Canal), the preferable of the two surface alternatives, is less expensive and less of a technological risk. But the tunnel is more viable politically because building a structure no one will ever see makes it ostensibly less environmentally impactful and greatly reduces necessary land takings, something that will no doubt be bitterly contested.

The DHCCP estimates that the difference in cost between the two to be about 1.5 billion. It would not surprise the DNP if the cost differences are described essentially as a wash, because the litigation associated with land takings may end up making it so.

But would the tunnel really be a better alternative from a strictly environmental perspective? … “

Read more from the Delta National Park blog by clicking here.

December 7, 2009 · Filed Under Peripheral Canal

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