Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2

item
Title
Construction of Ontario Hydro tunnels for the Sir Adam Beck - Niagara Generating Station #2
Description
LCN 10170353LCN 17294973
Photographs were taken by Fred Helie, a worker on the project sometime between 1950 - 1958
en-CA Scale of tunnel, Crosscut & bottom part of shaft at tunnel elevation. 1. At extreme left of picture notice 9ft high concrete ring (in white). 2. White uprights under ring (in white) are 12x12 timbers which are continuous for the full height of the shaft 350ft 3. At extreme right of picture, notice ribs in section of tunnel 4. In between tunnel and shaft, the ribs represent the crosscut section. The steel 8in ribs are set at 4ft center. Steel lagging or 3" planking are set in between these to protect all personnel from falling rocks 5. The 2" pipe running along the tunnel and the crosscut through the shaft up to the surface are 2 6" wooden ducts which are used for ventilation 6. Notice mining cars on tracks in section of tunnel. The cars were never used on account of the wet and mucky surface of the tunnel
Identifier
http://www.nflibrary.ca/nfplindex/show.asp?b=1&ref=oo&id=90037
Creator
Helie, Fred
Medium
Photograph
Extent
5" x 4" black & white photograph from album My Three and One Half Years Underground by Fred Helie
Provenance
Donated by Fred Helie
Date
1953
Is Part Of
Fred Helie Collection
locator
LHC FH Collection
Rights Holder
Niagara Falls Public Library
Rights
Fred Helie
Subject
Hydro Electric Power - Tunnels - Construction
Power Plants - Sir Adam Beck 2
Spatial Coverage
Canada - Ontario - Queenston
number
D10915
Format
Photograph
Date Created
2002-12-28
Date Modified
2005-05-06