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Serving the Glebe community since 1973 December 10, 2021 www.glebereport.ca
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The Clemow construction site where blasting began in November and will continue until February.
ISSN 0702-7796 Vol. 49 No. 10 Issue no. 540 FREE
PHOTO: KRIKOR AGHAJANIAN
All shook up – blasting at ‘The Clemow’ By Sue Stefko
On the morning of November 2, a strong blast shook homes near the building site of The Clemow retirement residence at 275 Carling. The blasting was part of the excavation for the 5-storey underground parking garage in the 16-storey development. After feeling the intense vibrations, residents from Dow’s Lake, the Glebe Annex and the Glebe began contacting Councillor Shawn Menard’s office to voice their concerns. Menard acted immediately, contacting city staff, the Katasa Group and BurMont construction, trying to resolve the issue. That blast was strong enough to trigger an instantaneous warning message from the vibration monitors
Index ABBOTSFORD......................................16 ART......................................................28 BIRDS....................................................8 BOOKS...........................................26, 27 BUSINESS...........................................15 CIVIC HOSPITAL................................2, 3 COMMUNITY...................................6, 30 FILM....................................................25 FOOD.............................................23, 24 GLEBOUS & COMICUS ����������������������35 GLEBE REPORT BOARD ����������������18,19 HEALTH...............................................31 LETTERS................................................5 MEMOIR..................................13, 36, 37 PLANNING...........................................12 REPS & ORGS........................... 9-11, 29 SCHOOLS...................................... 32-34 TREES....................................................7
surrounding the construction site. While those blasts still fell into what is considered permissible by the city, the construction crew modified their practices so future blasts remain below those warning levels. Although the size of the blast and vibrations depend on the amount of explosives used, it is more complicated than that – it also depends on the size of the pre-drilled hole the explosives are placed in before detonation, the depth they are placed at, any holes or seams in surrounding rock, the rock density and the blast’s relation to neighbouring properties. All this is calculated before setting up the charge, and sometimes the crew doesn’t get it right. But all things considered, the majority of blasts do go according to plan – of the more than 110 blasts so far, only three
Contributors this month Krikor Aghajanian Shabana Ansari Stu Averill Nicole Beswitherick Candice Blackwood Karen Cameron Vinay Chander Richard Corbeil Mary Kathryn Dunlop Pat Goyeche Joel Harden Maureen Hollingworth Bob Irvine Nili Kaplan-Myrth Shelley Lawrence Julie LeBlanc Angus Luff Carolyn Mackenzie Ian McKercher Shawn Menard
have triggered warnings. However, the blasts continue to concern neighbours. Some have expressed worries about their foundations – both from the current work and from cumulative impacts from the multiple developments in the area. Andrew Campbell from Explotech Engineering Ltd., a third-party blasting consulting firm which is monitoring compliance with regulations throughout the process, believes damage to foundations should not be an issue. The levels of vibrations allowed by blasting regulations are based on in-depth, long-term studies, which included near-continuous blasting for over 50 years near a variety of homes and foundations Continued on page 2
What’s Inside Paul Mullin Yasir Naqvi Tim O’Connor Emilie Paradis Doug Parker Andrew Peck Barbara Popel Jeanette Rive Marisa Romano Faith Schneider Gerd Schneider Sophie Shields Laura Smith Sue Stefko JC Sulzenko Val Swinton Mary Tsai Jim Watson Della Wilkinson Zeus
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Bank Street Plan approved...................................... Page 12
Dog grooming as a passion...................................... Page 15
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