The ice tunnels were designed with several "raises" eg vertical shafts to the surface...intended for emergency access and egress. I've been up and down a couple of them...most memorably during Hash House Harriers events. But since I was there they've drifted in/collapsed, or whatever. There was a proposed project a couple of years ago to have a drilling contractor rework them, but it doesn't look like that happened. |
|
This is Raise 8, one of three on the main tunnel, this one is closest to the current rodwell 3, which is at the far southeastern end of the tunnels. I don't understand the numbering system, as there were only 4 raises constructed, and one of these was on the now-filled-in tunnel to the first rodwell site later used as the now-abandoned sewer bulb beneath the BIT and cryo (but that is another story). |