At construction sites, the WBGT index is like a "red light—cross with caution" sign.

Hello, everyone.

This is Enta.

It was hot the other day, but this week it's been raining due to the typhoon.

Although the stifling heat has eased up a bit, please be extra careful and do your best, especially with typhoon preparations and other matters to attend to.


But that's beside the point.

I’d like to share Ishio-kun’s thoughts on heatstroke prevention with everyone, since they align with my own views.

I can only work from 8:00 a.m. to 3:00 p.m., as Ishio-kun says.

I really think so.

I can still handle construction management.

The construction workers are absolutely exhausted.

It’s partly a matter of getting used to it, but the level of fatigue is completely different.

 

I've been saying the same thing for a while now, but,

He said that after finishing his morning shift at this time of year, his afternoon shift—which starts after lunch—ends at 3:00 p.m.

 

I work on-site too, but between 2:00 and 3:00 p.m., my concentration drops off sharply and I start to feel exhausted.

And it’s a battle against the afternoon sun, which makes you feel the heat all at once.

A Great Find (Recommended Snacks for the Job Site)

This article also discusses cognitive function after 3:00 p.m.

 

No matter what I do—whether I wear a cooling suit, eat ice cream, or anything else—I still feel hot from the inside.

Body heat doesn't escape!

It's really been hell lately.

Even if a WBGT alert is issued, it has no bearing on the site.

The only way to cool down is to take a cold water bath! (If it's a clear, flowing river, even water around 15 degrees is quite effective.)

 

Simply setting up a cold water bath at the site may help reduce the severity of heatstroke

As a foreman, this is the most important time of day during this season!

Running a Red Light

Well, it's a simple story, but no matter where you work,

Be careful when crossing even if the light is red!

This is the current special heatstroke alert.

Heat Index
(WBGT)
Things to Watch Out For
Guidelines for Daily Activities
Important Notes
Danger
(31 or older)
In all aspects of daily life
Risk of Occurrence
For older adults, there is a high risk of this occurring even at rest.
Avoid going outside as much as possible and move to a cool indoor location.
High Alert
(28 or older but under 31)
When going outside, avoid the scorching sun, and when indoors, be mindful of rising indoor temperatures.
Caution
(25 or older but under 28)
A Moderate or Higher Standard of Living
Potential Hazards Associated with the Activity
When exercising or performing strenuous work, be sure to take adequate breaks at regular intervals.
Note
(Under 25)
Through vigorous daily activities
Risk of Occurrence
Although the risk is generally low, there is a risk of this occurring during strenuous exercise or heavy physical labor.

Adapted from the Japan Society for Bio-Meteorology’s “Guidelines for Preventing Heat Stroke in Daily Life, Ver. 4” (2022) *

 

If it ends at 3:00 p.m., I'll feel much better.

It seems to me that the level of accumulated fatigue is quite different the next day.

I think it's acceptable to finish work at 3:00 p.m. from July through September.

 

What do you all think?

 

See you later.

Results of Creating a WBGT Index Table Up to 50 Degrees

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