![]() The entire slipform structure, and its jacking mechanism, sat on steel rods placed within the curing concrete walls. Construction workers cross-tied rebar into the empty portion of the form, poured concrete into the wooden form, jacked the form upward, and repeated until the entire shaft was completed. The slipform is a wooden form of 2 parallel walls using 4ft high plywood. The slipform was designed, engineered and put into operation by Doug Sumner, P.Eng. The slipform was used to create the concrete shaft from the foundation all the way to the 1464ft level, being jacked up one inch every 5mins. Deck supervisors were Mike Burr, Keith Solomon and Mark Varey.įor the record, the following are the height of the slipform over its upwards travels: Aug 21 - 340ft, Aug 28 - 430ft, Sept 4 - 505ft, Sept 18 - 680ft, Sept 24 - 785ft, Oct 3 - 875ft, Oct 15 - 1002ft, Oct 24 - 1078ft, Nov 14 - 1122ft, Nov 29 - 1168ft, = 1201ft, 1245ft and 1464ft.Īs some trivia for old CN Tower personnel, the name "Susie" (of the wooden pin-up girl bolted to the side of the tower's main crane) came about from a lady called Susan at Sika Chemicals who held an interest with asking questions about the CN Tower. The process had started on J(please refer to the previous pictorial collages).Īmong those on hand at the 1464ft level, of the last remaining portions of the wood & steel slipform, were Sir Norman MacMillan (Chairman & President of CN Rail), Donald Macdonald (Minister of Energy, Mines and Resources), Bud Andrews (CN Tower Project Manager), Malachy Grant (Director of Design and Construction), Andre Jordan (Project Manager), Len Varey (Project Superintendent), Wally Kolodziej (Field Engineer), Maurice Grandmont, George Wilkes (safety boss), Marc Cummins (hoist engineer foreman) and Bob Feltman. We will happily provide you with or arrange for any accessible formats and communication support requested in your feedback.CN Tower: Slipform Rising - Jto final completion on February 22 1974įebrumarks the 40th anniversary of the last bucket of concrete poured to complete the CN Tower's main shaft on Februat 7:32am in pea-soup fog after a night of cold and driving rain. Visit our guest services desk at the CN Tower We welcome your comments, questions and observations about our accessibility, as well as any suggestions you may have about how we can further improve our operations. Read more about our commitments to accessibility in these reports:Ĭommunity feedback helps us provide the best experience possible for our guests. Accessibility training is also at the heart of our employee orientation, meaning that everyone who works at the CN Tower can help you get the most out of your visit.Īs part of the Canada Lands Company, a federal Crown corporation, we also follow their corporate accessibility policy, which applies to CLC properties across the country. We strive to meet or exceed the standards of accessibility set out in legislation and industry best practices, most notably the Accessibility for Ontarians with Disabilities Act. Guests not able to climb the stairs, may still enjoy SkyPod's first level, which includes partial views from porthole windows. To access SkyPod's second level, guests must ascend 12 stairs. SkyPod is complementary for CNIB cardholders, support persons as part of the Access 2 program, and any guest using a wheelchair. Guests who have a CNIB card may receive one complimentary general admission ticket by presenting their valid CNIB card at Guest Services. We are pleased to be a community partner for the CNIB Card program. For information on admission, please contact or 41 ahead of your visit. International guests and guests who do not have an Access 2 Card may be eligible to receive a complimentary general admission ticket for a support person by presenting supporting documentation. If purchasing your tickets onsite, a Guest Services team member can assist you with your entire transaction.Ī support person is an individual who accompanies a person with a disability to assist with communication, mobility, personal care, or medical needs with access to goods or services. On the day of your visit, please visit Guest Services and present your already purchased ticket(s) and your Access 2 Card, to receive the complimentary admission for the support person. If purchasing tickets online in advance, please do not purchase a ticket for the support person. Each Access 2 Card will permit one complimentary general admission ticket for a support person.
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