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10 Do’s and Don’ts for Wind Safety at Height

Top Takeaway:

Wind is a major hazard when working at height, even on days that seem calm. Be prepared by keeping objects and tools that are not in use well secured, and always wear the appropriate PPE for the job you’re doing.

Windy days can make working at height dangerous for everyone on the job-site. Strong gusts
can cause you to lose balance, blow tools and materials off of platforms, and weaken structures. Follow these best practices to ensure a safe job-site, no matter the weather.

DO Use a wind meter.

General wind readings are usually taken at ground level and cover a large area, like a city or
neighbourhood. This makes them a useful tool for planning, but they don’t provide enough
information to ensure safety on your job-site, especially when heights are involved. Wind speeds
can increase by up to 50% at 20 meters above ground, which means a manageable breeze on
the ground can translate to near gale force winds at height. Use one of our NAVIS wind meters
to get accurate readings that reflect how your site is affected by gusts and how the surrounding
buildings and landscapes are influencing wind currents.

DON’T Underestimate gusts.

Even on calm days, gust of wind are still hazardous, as they can come out of nowhere and
travel up to two times faster than the average wind-speed. Again, use a wind meter to monitor
conditions, as you may need to quit working at height if gusts are too strong, and store
materials and tools securely when not in use.

DO Treat flat materials with caution.

Flat materials like sheets of plywood can easily turn into sails if hit by strong enough winds,
and can drag people off heights or fall onto those working below. On windy or gusty days, make
sure to carry flat materials horizontally in pairs and secure them tightly when not in use.

DON’T React to blowing objects.

Strong winds can blow away tools, hard hats, papers, and more, but at height it’s important to
fight the immediate urge to catch blowing objects. It sounds counter-intuitive but reacting too
quickly could cause you to lose your balance or could distract you from other hazards blowing
toward you. If something begins to blow away, take a beat before retrieving it to ensure you can
do so in a safe way.

DO wear the right Personal Protection Equipment (PPE).

The right PPE could make the difference between a close call and a trip to the hospital. Wear eye
protection on breezy days to keep out dust and debris, and make sure your hard hat is securely fastened to keep it from blowing off your head. Most importantly, always wear a harness at heights of 1.5 meters and above, as 30% of fatal falls happen at heights of 2 meters or lower, and 50% happen at 3 meters or less.

DON’T Make covers without holes.

It may be tempting to create a sheltered area in windy conditions (especially if they’re coupled with
cold weather) but like sheets of material, covers made of tarp or plywood can tear away whatever anchor or platform they’re attached to if caught by a strong enough wind. We don’t recommend making these kinds of shelters, but if you must make a cover for yourself, cut holes in it to allow the wind to pass through without carry it away.

DO Know when to stop working.

Losing a day of work is manageable, losing a co-worker to injury or worse is not. Create a plan to deal
with windy conditions. We’ve found Wilkins Safety Group’s Beaufort Scale Safety Guide, which details
the precautions that should be taken at various wind speeds, is an extremely helpful tool in creating
this plan.

DON’T Assume, inspect your structures.

Strong winds over extended periods of time can cause structures to weaken or lean at unsafe angles.
Always check over scaffolding, platforms and their anchor points after a wind storm to ensure they are
still secure to work on, and that nothing has shifted that will cause them to fall or collapse.

Click here to learn more about wind safety devices. 

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2170 Carpenter Street
Abbotsford, BC V2T 6B4

Toll free: 1-877-852-2192
Local: (604) 854-3218
Fax: (604) 854-5716
Email: [email protected]


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