Chilled potable water delivered at crew scale, refilled on a contracted interval, and positioned where the work actually is. On a summer slab pour, water capacity is a production constraint and a compliance requirement at the same time.
A hyperscale site at peak carries several hundred trades spread across a campus measured in millions of square feet. Federal OSHA guidance on heat illness prevention calls for approximately one quart of drinking water per worker per hour in hot conditions. At 500 workers on a Texas or Arizona summer schedule, that is over 4,000 gallons of drinking water a week, positioned close enough to the work that crews actually drink it. Coolers on a tailgate do not meet that requirement. Our hydration stations do.
Multiple stainless bottle-fill spigots served from chilled onboard tanks, shaded fill points, and a footprint that positions near the work without blocking equipment paths. Stations are towable, so as the pour sequence moves across the campus, the water moves with it. Refill frequency is set by your headcount and the season, then adjusted as either one changes.
Heat casualties stop work, trigger reporting, and pull crews off task. General contractors on desert and Sun Belt corridors treat water access the way they treat fall protection: a system, planned before mobilization, with named capacity and a service record. Our deployment plans document station count, placement, refill interval and per-visit volumes, so your safety team has evidence rather than assurances.
Commissioning teams, retrofit crews and security staff at operating data centers draw on the same capacity problem from the other side: the building is finished, but the permanent fixtures were never sized for a surge population. Hydration stations bridge that gap without touching facility plumbing or requiring hot work permits.
Why contractors keep us
Any vendor can place units at mobilization. Performance shows up in month nine. Do pump-outs hold their interval under load? Does water get topped off before it runs out? Does an after-hours failure get fixed inside the same shift?
Sites that rent one unit type usually need three before the schedule is out of sitework. Bundling them under one contract means one route truck, one invoice and one number to call.
Extended-stay crews generate wash loads every week of the schedule. Laundry trailer rentals keep that cycle on site instead of in a hotel sink.
Food service and ice programs live or die on cold storage at the pad. Refrigeration trailer rentals hold setpoint through the local season.
Restroom capacity anchors the plan. Restroom trailer rentals sit closest to the workface and set the service route that every other unit rides on.
Where crews rotate in from out of the area, the end of shift is its own rush hour. Shower trailer rentals carry that peak so the workforce goes home clean.
Where we deploy
Heaviest concentration in the corridors carrying the most active data center construction, with nationwide mobilization beyond them.
Loudoun County and Prince William run the densest data center concentration on earth. Multi-year campuses, badge-controlled access, crews in the hundreds, and facility requirements written into the subcontract.
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Dallas, Fort Worth, San Antonio and Abilene are carrying some of the largest campuses in the country. Summer heat makes hydration and shower capacity a safety line item, not an amenity.
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Atlanta metro and Douglas County, extending along I-20. Humid summers, long hauls between laydown and pad, and multi-phase schedules that keep facilities on site for years.
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Phoenix and Mesa build through heat that regularly exceeds 110 degrees. OSHA heat-illness prevention drives water and shade requirements that our units satisfy directly.
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Columbus and New Albany. Freeze protection and winter service access matter here in a way Sun Belt corridors never see.
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The Wasatch Front corridor runs through hard winters at elevation. Units are winterized and service intervals hold through snow.
View Utah →Questions we get
Sizing starts from peak headcount, the season and the walk distance rule: crews should reach water without leaving their work area for more than a few minutes. As a working figure, one multi-spigot station serves roughly 75 to 100 workers in moderate conditions, with the count rising for summer schedules in Texas, Arizona and Georgia. We size the deployment from your manpower curve and adjust as it moves.
On a contracted interval set by consumption, not a fixed calendar. High-heat sites commonly run daily refills at peak manpower. Every visit is documented with volumes delivered.
Yes. Stations dispense potable water from sanitized tanks, and we provide fill source documentation on request for sites that require water quality records.
Units run self-contained. Where chilling loads are high and the deployment is long, we specify a power connection or pair the station with a generator in the site plan.
Yes. They are towable units. Repositioning is part of the service contract, scheduled with your superintendent so water is staged ahead of the next phase rather than trailing it.
Go deeper
Longer reads for teams writing the site plan. Open what applies to your build.
Here is the number that drives every other decision: one quart of drinking water per worker per hour in hot conditions. That figure comes from OSHA and NIOSH heat guidance, and it holds up on real pads. Run it for a 300-person crew on a ten-hour summer shift and you get 3,000 quarts. That is 750 gallons in one day. Most planners see that total and realize a few coolers on a tailgate were never going to work.
The quart-per-hour figure is a hot-weather planning number, not an average. On a mild spring day the same crew might drink half that. In July, on an open pad with no shade and rebar radiating heat, plan for the full amount. Some trades will pass it. Concrete finishers, welders, and anyone working in coveralls or protective suits often drink well above the line.
Crews do not drink evenly across ten hours. Intake climbs through mid-morning and peaks in the early afternoon, when air temperature and radiant heat off the slab stack on top of each other. A setup that holds enough total water for the day can still fail the crew if it runs dry at 1 pm with the next refill scheduled for 3. So we size stations for the peak hour, not the daily total. If the peak hour needs 90 gallons across the pad, the stations need to hold comfortably more than that between refills.
Our practice is to plan capacity at roughly 20 percent above the math. Water is cheap compared to a heat illness case or a stopped pour. The buffer covers the crew that grows by 40 workers when a second contractor mobilizes early. It covers the refill truck stuck behind a concrete convoy at the gate. It also covers plain human behavior, because workers drink more when water is cold and close than any spreadsheet predicts.
Station count matters as much as gallons. Ten workers standing in line at one dispenser will drink less than they should, no matter how much water sits in the tank. For a 300-person crew spread across a data center pad, we would rather run ten well-placed stations than four big ones. Do the gallon math first. Then divide it across enough stations that nobody has to think twice about walking over.
Employers sometimes assume drinking water on a jobsite is a courtesy. It is not. Federal OSHA requires employers to provide potable water on construction sites at no cost to workers, and the General Duty Clause obligates them to protect crews from recognized hazards. Heat is a recognized hazard. OSHA has also been moving a national heat injury and illness rule through its process, built around water, rest, and shade. Several states already enforce their own heat standards with specific water quantities written in.
The details matter for planning. Water must be potable, meaning it meets drinking water standards, not just hose water that looks clear. Guidance calls for it to be suitably cool, because workers drink far less when the water is warm. And it has to be reasonably accessible. A tank at the trailer compound does not cover an electrician working 900 feet away inside a shell building.
When a compliance officer walks a site during a heat inspection, water access is one of the first things checked. How far does a worker walk to reach it. Is the water cool or has it been baking in the sun since morning. Are there cups or a sanitary way to drink. Is anyone tracking refills, or did the site run dry at noon yesterday. Records help here. A refill log showing consistent service is strong evidence that the site takes heat seriously.
Acclimatization shows up in these inspections too. New workers and workers returning after time away carry most of the heat illness risk, and inspectors know it. Sites that pair a ramp-up schedule with easy water access are in a much stronger position than sites that hand a new hire a bottle and point at the ladder.
Our stations are stocked with potable water from verified sources, kept cool, and placed by walking distance rather than convenience for the delivery truck. We schedule refills against crew size and forecast, so capacity is checked before it becomes a problem. We also keep service records for every station, which gives the general contractor documentation that water access was handled all season. The rule of thumb we give planners is simple. If following the water guidance feels expensive, price a heat illness incident and a work stoppage instead.
Picture an ironworker tying rebar in the middle of a slab the size of six football fields. The nearest water sits at the site office, a quarter mile away past a crane pick zone. He is thirsty at 10 am. He does not go. He tells himself he will catch up at lunch. That gap between thirsty and drinking is where heat illness starts, and placement is what closes it.
Our working rule is that no worker should be more than a few minutes on foot from cold water. On a compact site that might mean a three-minute round trip. On a data center pad, where a single building shell can run 1,000 feet end to end, hitting that rule takes deliberate station placement, not one big tank by the trailers.
A data center site breaks into predictable zones. The building shell holds the densest crews, so stations belong at multiple access points, not just the main entrance. Laydown yards and fabrication areas hold steady populations all day and are easy to forget. Perimeter work like duct banks, generator yards, and substation trenches strands small crews far from everything, and those isolated crews need their own coverage. Work above grade adds another wrinkle. A roofing or mezzanine crew should have water staged at their level or at the base of their access point, because nobody climbs down three ladders for a drink. The harder water is to reach, the less of it gets consumed, and height is one of the hardest barriers on a site.
Placement also has to respect site logistics. Stations cannot sit inside crane swing radii, on haul roads, or in the path of concrete trucks on pour days. We walk the pad with the superintendent, mark the spots on the site plan, and treat those locations as part of the site layout.
The mistake we see most often is treating placement as a one-time decision. Data center construction moves. Crews that were pouring footings in March are hanging cable tray inside a conditioned shell by August, and the perimeter fills with commissioning trailers. Stations that were perfect in month two can be stranded in month six. We build relocation into the service schedule, so when the work moves, the water moves with it within a service visit, not after somebody complains.
A glazier drinks steadily all shift, does everything right, and still ends the afternoon with his forearms cramping so badly he cannot grip a suction cup. What happened is chemistry, not effort. Sweat carries out more than water. It carries sodium and other minerals, and on a long hot shift a heavy sweater can lose more salt than food and plain water put back. Muscles start misfiring, and cramps are the early warning.
There is a less obvious risk on the other side. A worker who drinks large volumes of plain water for hours while sweating heavily can dilute his blood sodium. The medical term is hyponatremia, and in serious cases it looks a lot like heat exhaustion, which makes it easy to treat wrong. It is rare on construction sites, but it is exactly the failure mode you get when the answer to everything is just more plain water.
Our rule of thumb is straightforward. Plain cool water covers most workers on most days. Electrolyte support earns its place when shifts stretch past the eight-hour mark in real heat, when workers are sweating hard enough to soak shirts and leave salt lines, and during the first hot weeks of the season before crews have acclimatized. Trades in vapor barriers or heavy protective gear qualify almost automatically, because their sweat rates run far above the site average.
Electrolytes supplement water. They do not replace it. The pattern that works on site is water as the default at every station, with electrolyte options available for the long-shift and heavy-sweat cases. Workers should not have to choose between reaching water and reaching electrolytes, so we stock them at the same station rather than at a separate location.
For summer contracts we plan electrolyte stock alongside the water math instead of treating it as an afterthought the safety manager solves from a gas station cooler. That means supply scaled to crew size, restocked on the same visits that refill the water, so the site never runs out in the middle of a heat wave. It is a small line in the plan. On a 100-degree Friday in week three of a pour schedule, it is the line the crew notices.