Sun, humidity and long days on concrete, steel or open solar fields make Carolina summers hard on crews. Keeping people cool is about safety first, but it also shows up in productivity and schedule. A crew that is slowing down at noon because the water is warm is a crew that is losing hours.
This post summarizes OSHA's public heat guidance and some practical ice planning from our work with job sites. It is general information, not legal or medical advice.
Heat is a real job-site hazard
Heat-related illness ranges from cramps and heat exhaustion to heat stroke, which is a medical emergency. OSHA's heat resources for employers are built around three ideas: water, rest and shade. Ice supports all three, since cold drinks are the easiest way to get people to drink, and cold towels and cooling stations help in the break area.
Water: cool, close and plentiful
OSHA's guidance on water is straightforward:
- Provide cool water for workers to drink.
- Encourage workers to drink frequently, not just when they feel thirsty.
- For jobs lasting more than two hours, also provide electrolyte drinks.
- Keep water close to the work, easy to reach and available all shift.
The word that gets missed is "cool." A single cooler that turns warm by 10 a.m. is not doing the job. Water demand tends to peak in the hottest part of the afternoon, which is exactly when a one-time morning ice delivery has already given out.
How to plan ice for a crew
There is no universal formula, because sites differ so much. These rules of thumb help you size it for your own site:
- Count heads and shifts. Start with the number of people on site at peak and the length of the shift. More people and longer days both push the number up.
- Count stations. A big site with water stations in three places needs ice in three places. Hauling jugs across a solar field costs more time than the ice does.
- Add for the weather. July and August afternoons go through ice faster than the plan on paper, so building in a cushion of roughly 20 to 30 percent is a sensible rule of thumb.
- Account for more than drinking water. Cooling towels, cooler refills, electrolyte drinks and lunch coolers all draw from the same supply.
- Plan for the heat wave. Heat advisories are when ice demand is highest, so size those days up rather than down.
Keep the ice frozen on site
A pickup bed or a loose pile of bags is not storage. Ice sitting in the sun turns to water before lunch. If you are keeping more than a day's worth on site, a storage chest or an on-site trailer keeps it from melting, so a morning delivery is still ice at 3 p.m.
Two options we offer for job sites:
- Ice merchandisers. These hold 80 to 150 bags. We place, stock and service them, so foremen and crews have grab-and-go ice without anyone planning a store run.
- Storage trailers and chests. Trailers hold about 400 to 600 bags depending on size, which is useful for larger sites and multi-crew projects.
Recurring delivery beats remembering to order
Store runs pull a worker off the job and often still come up short. The simplest fix is a schedule. With daily or weekly recurring delivery, the ice shows up whether or not anyone had time to call, and the schedule can be adjusted as the project moves from site prep to full crews. For job sites, ask about monthly invoicing, which keeps the paperwork simple when several deliveries a week add up.
Different sites, different setups
- Open solar fields. There is no natural shade and long walks between work areas. Put ice and water at several points along the site rather than one central station, and use canopies at each.
- Vertical construction. Crews working on upper floors lose time every trip down for water. A stocked station on the working level, restocked on a schedule, saves those trips.
- Civil and road work. Heat radiates off pavement and equipment, and crews move along the job. Ice that travels with the work, in coolers on support vehicles, works better than one fixed spot.
- Multi-crew projects. When several trades share a site, agree on who stocks what so the ice is not duplicated in one corner and missing in another.
Rest and shade
OSHA recommends that when heat stress is high, employers schedule breaks, with the length and frequency increasing as conditions get hotter. A few practical points:
- Schedule the heaviest work for early morning.
- Keep cold water and ice at the break area, not only at the work face.
- Provide shade: a tent, canopy, air-conditioned vehicle, or fans and misting. On open solar sites, a pop-up canopy with coolers underneath makes a real difference.
Watch for warning signs
Train supervisors and crews to recognize heat illness using OSHA's heat resources. Watch new and returning workers closely, because they have not adjusted to the heat yet. If someone shows signs of heat stroke, call 911.
Where we work
We deliver to construction sites, solar farms and commercial job sites across both states. A few of the cities we serve: Fayetteville, Raleigh, Charlotte and Wilmington in NC, and Charleston, Summerville, Columbia and Greenville in SC. See the full list of service areas.
Summer job-site checklist
- Cool water and electrolyte drinks near the work.
- Enough ice to last the whole shift, with a cushion for heat.
- A way to store extra ice so it stays frozen.
- Scheduled breaks that increase with the heat.
- Shade or a cool break area.
- Supervisors trained to spot heat illness.
