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1 2 3  UER Forum > Archived Canada: Ontario > Mcrae's tailrace scouting mission (Viewed 1989 times) kowalski   |  Re: Mcrae's tailrace scouting mission <Reply # 40 on 8/8/2007 1:10 PM >   I've taken the dispute above to private message, hopefully Air 33 will follow suit. However, I do have to clarify an additional point from upthread, which Voodoo and Micro both alluded to but didn't correct outright. Posted by Air 33 Hi Voodoo, the shafts are similar. I have one here of Rankine, First And Second (Photos) Please note that it's confusing to refer to these open spaces as shafts, given that we use the term "shaft" to refer to each of the turbine drive columns that occupy adjacent space stretching from the base of the wheelpit to the generators at ground level. Now, I don't know if there's a technical engineering/architecture term for these spaces, but I've taken to referring to them as wells and would encourage others so interested to do so in the absence of proper jargon. However in TPC the shafts that go all the way down to the wheelpit are only easy accessible because this is where the generators were (Photo) The wells in the wheelpit have always been accessible -- as Voodoo and Micro both noted, they were used for raising and lowering heavy equipment into the wheelpit, as well as providing ventilation (especially important given the rapidly fluctuating pressure inside this style of plant under operation). What has changed in the recent scrapping of the surface workings is that the turbine shafts have been cut off at the level of the thrust deck. This provides little in the way of additional visibility, as there is only marginal clearance between the ends of these shafts and the surrounding concrete deck. Finally, no generating unit sat above the open space depicted in your third photo, rather they sat on the concrete pedestals to either side of it (you can see the raised circular bases). This you would have known had you been there before the team from Kiewit dismantled the surface workings, or if you had looked more carefully at the evidence that remained. Air  Location: Canada  |  Re: Mcrae's tailrace scouting mission <Reply # 41 on 8/8/2007 4:44 PM >   Finally, no generating unit sat above the open space depicted in your third photo, rather they sat on the concrete pedestals to either side of it (you can see the raised circular bases). This you would have known had you been there before the team from Kiewit dismantled the surface workings, or if you had looked more carefully at the evidence that remained. The generators sat on the side of each open space. These spaces were covered with metal grills before the demolition of the generators began. - Just clarifying as I think I wasn't clear enough with the first post. "The extraordinary beauty of things that fail." - Heinrich von Kleist UER Forum > Archived Canada: Ontario > Mcrae's tailrace scouting mission (Viewed 1989 times)  1 2 3  All content and images copyright © 2002-2024 UER.CA and respective creators. Graphical Design by Crossfire. To contact webmaster, or click to email with problems or other questions about this site: UER CONTACT View Terms of Service | View Privacy Policy | Server colocation provided by Beanfield This page was generated for you in 109 milliseconds. Since June 23, 2002, a total of 741606720 pages have been generated.