Famous Visitors @ Niagara

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• Niagara Tunnel Project - A "Rocket Boomer", used to drill holes in the tunnel roof.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - The tunnel walls and ceiling are prepared for the mesh lining.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - The assembly is ready to be lowered into the tunnel outlet.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Emad Elsayed, vice-president of hydroelectric development at Ontario Power Generation, stands next to a gigantic boring machine that will drill a tunnel under Niagara Falls.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - A sign announcing the tunnel project is unveiled.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Students who won the "Name the Drill" contest receive t-shirts with Big Becky's name on them.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - The students of Mr. Dyck's class learn more about the drill they named.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - The students who won the contest to name "Big Becky", receive their prize.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Mr. Dyck's Grade 6 class at Port Weller Public School win the contest to name "Big Becky".

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - A large movable ramp brings construction workers within working distance of the tunnel ceiling.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Wire mesh is applied to the tunnel roof to keep employees and machinery safe.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Repairs to the tunnel roof following a significant overbreak.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Big Becky just after she was assembled onsite at the outlet of the tunnel.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Ontario Power Generation - The Honourable Jack Epp, OPG Chairman of the Board speaks at Big Becky's launch ceremony.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Premier Dalton McGuinty switching on the TBM cutterhead during Big Becky's launch ceremony.

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Niagara Tunnel Project - Premier Dalton McGuinty Speaks at Big Becky's Launch Ceremony

  Requests for permission to reproduce this photo should be addressed to Ontario Power Generation at media@opg.com
• Premier of Ontario Dalton McGuinty at the launching of the Niagara Tunnel Project at Niagara Falls

  Premier Dalton McGuinty (centre in blue shirt) is shown switching on the cutterhead of the tunnel boring machine ; Kim Craitor MPP for Niagara Falls to the right of the Premier ; Dwight Duncan Finance Minister of Ontario next to Kim Craitor ; Jim Bradley MPP for St Catharines in background standing behind Dwight Duncan ; others not identified ;
• Map showing the route of the Niagara Tunnel Project at Niagara Falls
• Map showing the route of the Niagara Tunnel Project at Niagara Falls
• Part of the arch carrier train entering the tunnel during the Niagara Tunnel Project at Niagara Falls
• Construction work underground during the Niagara Tunnel Project at Niagara Falls

  Image shows the invert lining which keeps the tunnel surface smooth ;
• Strabag Company doing testing of the mebrane carrier to be used in the Niagara Tunnel Project at Niagara Falls at their location in Germany
• Assembled frame ready to be lowered into the outlet canal during the Niagara Tunnel project at Niagara Falls
• Construction work underground during the Niagara Tunnel Project at Niagara Falls

  Workers are shown applying wire mesh to the tunnel roof ;
• Construction work in the outlet canal during the Niagara Tunnel Project at Niagara Falls

  Image show the assembly of arch concrete shutter ;
• Construction repair work to the tunnel roof during the Niagara Tunnel Project at Niagara Falls

  Significant overbreaks were experienced during the project due to the unique geology of the Niagara area ; eventually the route was redesigned ;
• Explosives being used to open up the outlet for the Niagara Tunnel Project at Niagara Falls
• Construction equipment being used to prepare the tunnel outlet opening for the Niagara Tunnel Project at Niagara Falls
• Construction of the outlet canal for the Niagara Tunnel Project at Niagara Falls

  Big Becky was assembled in the canal ;
• Construction underground during the Niagara Tunnel Project

  Image shows an overbreak in the Queenston shale, of over four metres at this location ; this slowed the tunnel boring machine's progress and prompted the decision to change the tunnel route ;
• Assembly of the tunnel boring machine during the Niagara Tunnel Project

  Construction equipment under the shotcrete robots during assembly of the tunnel boring machine in the outlet canal ;
• Construction underground during the Niagara Tunnel Project

  Two robots mounted on these rings spray about 100 millimetres of shotcrete onto the rock to complete the initial tunnel lining ;
• Bus transporting workers underground during the Niagara Tunnel Project Niagara Falls

  The tunnel conveyor booster station pictured on the right-hand side was installed in November 2008. The tunnel ventilation duct (yellow tube) can also be seen in the tunnel crown ;
• Tunnel boring machine in action at Niagara Falls

  back-up trailers move along the tunnel on removable rails ;
• Tunnel boring machine (Big Becky) about to go underground at Niagara Falls

  conveyor belt to remove excavated rock in the lower left corner ;
• Looking down the tunnel, Big Becky in the distance
• Big Becky's 14.44 metre cutterhead disappearing into the rock at the beginning of the Niagara Tunnel Project
• Tunnel construction at the Niagara Tunnel Project

  A large, moveable ramp in foreground is being used to bring construction workers within working distance of the tunnel ceiling ;
• Drill being used to make holes for explosives during the Niagara Tunnel Project
• Big Becky assembled on site at the outlet end of the tunnel in Niagara Falls
• OPG employee standing in front of Big Becky at Niagara Falls
• Dalton McGuinty Premier Of Ontario Speaks At The Big Becky Launch Ceremony At Niagara Falls
• Steam ship Chicora at Queenston dock
• Crest of Horseshoe (Canadian ) Falls, southeast from Table Rock
• Crest line of the Horseshoe Falls after a rock slide - seen from Prospect Point

  Loretto Convent in far background centre ;
• American Falls - Maid of the Mist in foreground
• Ice conditions American Falls from Luna Island
• Whirlpool Rapids, Lower Niagara River, Thompson's Point (left)
• Niagara Falls illumination projectors in front of the spillway
• Ice conditions on the lower Niagara River as seen from Queenston Heights
• Ice bridge in the Niagara River below the Horseshoe Falls
• Frozen lower Niagara River and the Whirlpool Rapids
• Frozen lower Niagara River below the Whirlpool Rapids
• Ontario Power Generating Station - Ice conditions in front of station

  Horseshoe Falls in extreme background left ;
• Ice formation at Prospect Park, Niagara Falls, USA
• Streetcar of the SW & A [Sandwich Windsor and Amherstburg] Railway
• Niagara development - special trolley and supports at the dump
• Ontario Power Company Generating Station - view of interior ice condtions

  Negative PO - 6 ;
• Sir Adam Beck 1 and 2 Power Generating Station - aerial view of open cut canals and reservoir

  Heritage Foundation
• Sir Adam Beck 2 Power Generating Station - construction of one of the two tunnel intakes on the Upper Niagara River

  Heritage Foundation
• Toronto Power Company Generating Station - tunnel outlets behind the Horseshoe Falls

  Negative TP - 3
• Sir Adam Beck 2 Power Generating Station - construction of enclosed entrance to tunnels
• Ontario Power Generating Station - conduits and surge tanks being constructed in Queen Victoria Park

  horse drawn trolley streetcar tram
• View from Goat Island of Ontario Power Co.'s Works, Niagara Falls, Canada
• Ontario Power Generating Station gathering weir and gate house at Dufferin Islands
• Mill and water wheel
• Typical water wheel of the early nineteenth century
• Niagara Falls

  Photographic reproduction of a watercolour by J F Frank ;
• Distant view of the Falls of Niagara including both branches with the Island and the adjacent shores

  Photographic reproduction of a painting included in the records of the former Ontario Power Company
• Niagara development - test model A of proposed intake - erected and ready for water looking downstream
• Niagara development - test model A of proposed intake - two tubes assembled looking downstream
• Otto Holden Generating Station - unit no. 2 exciter armature
• Niagara construction railway - dump track International railway fill
• Niagara construction railway - train at north side of ravine
• Niagara development - electric locomotive in operation
• Niagara development railway - locomotive in operation at the forebay
• Niagara construction railway - looking south from near the Whirlpool
• Niagara development - electric locomotive in operation
• Ontario Power Company Generating Station - lighting
• Ontario Power Company Generating Station - no. 3 main alternating current exciter and exciter switchboard
• Ontario Power Company Generating Station - Interior showing no. 12 generating unit
• Ontario Power Company Generating Station - Interior showing eight units and turbines installed
• Ontario Power Company Generating Station - no. 8 turbine
• Old scow and submarine chaser boat Sunbeam stranded in Upper Niagara River

  Subchaser sub chaser
• Sir Adam Beck 2 Power Generating Station - Grass Island Control Dam and bailey access bridges
• Decew Falls Generating Station penstocks
• American Cyanamid Company factory
• Hydro electric transmission line construction at Electro Metals Company Welland
• Oil test cell with electrode raised
• Sir Adam Beck 2 Power Generating Station - general plan and profile
• Attendees at the International Electric Congress held at St Louis Missouri

  Charles Proteus Steinmetz second from right front row
• English newspapermen and Niagara Falls' officials at the Clifton Hotel

  Kiwanis Collection
• Laying cable for the hydro electric transmission lines near Beamsville - with an assist from "Dobbin"
• Paying out cable for the hydro electric transmission lines
• Ice conditions on the lower Niagara River - seen from Queenston Heights
• American Falls with Niagara Falls NY in background
• High water conditions at the brink of the Horseshoe Falls - view south from Table Rock

  Toronto Power House in far background ;
• Sir Adam Beck 2 Power Generating Station - an aerial view of pump storage area and reservoir

  Heritage Foundation
• Horse drawn tourist carriage at the foot of Clifton Hill - American Falls in background
• Construction of Oakes Garden Theatre - Hotel General Brock, Oneida Community Plate factory and Fox Head Hotel in background