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What is silica? When you consider the many hazards workers face on a construction site, you probably wouldn’t think that dust poses too much of a danger to health. Well, think again. Many workplace activities that create dust can expose workers to airborne silica.
The construction industry has seen steady growth over the past decade, fuelled by significant building and infrastructure projects. However, finding skilled crane and heavy equipment operators has proven to be increasingly difficult. For example, a 2017 poll indicated that over 75 per cent of construction firms were having trouble finding skilled equipment operators.
In a recent Ontario case, a concrete subcontractor hired to form and pour a concrete slab drove stakes into to the aggregate base, below. The stakes punctured a storm water drainage pipe, which later backed up through the penetrations into the finished building.
Workers using personal fall protection systems sometimes instinctively grasp their systems’ rope grabs during falls. Some commercially available rope grabs are manufactured with “anti-panic” features that enable the rope grabs to work properly by locking onto the lifeline even when they are grasped. Some workers use Prusik slings as rope grabs. A Prusik sling, however, does not have an anti-panic feature. Therefore, grasping a sling’s Prusik knot can prevent the knot from tightening around the lifeline, allowing the worker to fall.
April 18, 2018 – The Ontario Road Builders’ Association (ORBA) is now accepting applications for its Civil Engineering and Civil Technology Scholarships.
December 6, 2017 - Companies constantly strive to make their businesses more productive and efficient.
November 21, 2017 — Backshoring and reshoring systems both work to support the weight of newly poured concrete slabs and look extremely similar, but using the wrong one can lead to structural collapse.
November 6, 2017 - The BCIT Department of Civil Engineering – Alternate Delivery is pleased to offer ACI’s Aggregate Technician 1 course: November 17/18 - CIVL 0010 Aggregate Testing Technician Level 1 – an ACI (American Concrete Institute) sponsored, certified course in AASHTO/ASTM standard testing protocols.
October 11, 2017 - GSSI, a world leading manufacturer of ground penetrating radar (GPR) equipment, offers comprehensive training programs for new and existing customers on how to use GSSI equipment safely and effectively in the field. Classes are available for the complete range of GSSI products and is conducted by a team of four full time trainers.
July 28, 2017 - As compared to conventional concrete products, polymer concrete products have been shown to display a superior compressive strength as well as impact strength.
June 26, 2017 - The Association of Equipment Manufacturers (AEM) has updated its Digger Derrick Safety Manual with new and expanded content on safe equipment operation, start-up and shutdown, and maintenance precautions.
May 8, 2017 – The Ontario Road Builders’ Association (ORBA) is now offering a full range of online courses in construction through its partnership with Buildforce Canada to members and non-members.
April 10, 2017 – Ontario Road Builders’ Association (ORBA) is now accepting applications for its 2017 Civil Engineering and Civil Engineering Technology Scholarships, each valued at $2,000.00.
September 22, 2016 - British Columbia is at a crossroads, so to speak. There are many important infrastructure projects that are needed to improve and expand the province’s transportation network. Roads, highways, bridges, railways, ports and airports are all essential for moving people and goods. An efficient transportation network is the key foundation of a strong economy and it allows our businesses to be more competitive, creates jobs and stimulates economic growth.
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