Three Jobs on One Site
A construction site rarely needs just one thing. It needs theft deterrence while copper, tools, and equipment pile up. It needs trespass and access control, because an open site is both a target and a liability. And it needs fire watch whenever welding, cutting, or grinding is going on, or when the building's fire protection systems aren't commissioned yet. Those are three different jobs, and a site often needs two or three of them in the same week.
Hot work
- What it is
- Any on-site task that produces flame, sparks, or heat, such as welding, cutting, grinding, or soldering.
- What it does
- It creates an ignition risk that can smolder and flare up after the work stops, which is why a fire watch has to continue past the last spark.
- Why it matters
- The fire code calls for a fire watch to stay on hot-work areas at least 60 minutes after the work ends, and skipping it is a common, avoidable cause of construction fires.
The mistake is treating a construction site like a fixed post. The risk moves as the project moves. Site work, vertical construction, and finishes each expose a different thing, and coverage that doesn't change with the phase is covering last month's risk.
Theft and Trespass: The After-Hours Problem
Most construction loss happens when nobody is working. Copper wire, tools, appliances, lumber, fuel, and equipment walk off after hours and on weekends, and a site that looks open and unwatched is the one that gets hit. The deterrent is visible, professional coverage that runs documented rounds, so anyone scoping the site sees that whatever they do will be noticed and reported. A camera records the theft. An Officer on the fence line prevents it.
Trespass is the other half, and it's a liability problem as much as a theft one. An open site draws people who don't belong there, sometimes kids, and an injury on an unsecured site becomes the owner's problem fast. The specifics of that exposure belong with your insurer and counsel, not a blog. What security does is keep the site controlled and keep a record of it: who was on site, what was checked, what was found.
Fire Watch on a Construction Site
Construction is one of the places a fire watch shows up most, for two reasons. Hot work throws sparks that can smolder and flare after the crew packs up, so the code calls for a watch to stay on the area at least 60 minutes after the last spark. And new construction often runs without commissioned fire protection, so there's a stretch where the building has people and materials in it but no working alarm or sprinkler, which is its own kind of impairment.
Either way, real fire watch is trained, dedicated, foot-patrol work with a written log, not something you fold into a guard's other duties. On a construction site those roles can be filled by the same provider, but the fire watch has to be treated as its own job when it's required. We've been brought onto a site for what looked like 24 hours of fire watch and stayed for nearly a year as the project changed, which is a good reminder that construction coverage is rarely as short as the first phone call makes it sound.
What Separates Real Coverage From a Warm Body
| Where it shows | A warm body on site | Real coverage |
|---|---|---|
| Access | Waves trucks through | Verifies who's on site and logs deliveries |
| Patrol | Sits in the trailer | Documented rounds of the fence line, materials, and equipment |
| Theft | Notices after it's gone | Catches the open gate and staged copper first |
| Hot work | No idea it needs a watch | Fire watch held past the last spark, and logged |
| Reporting | Nothing until a claim | Rounds and incidents documented for the GC and insurer |
| As the job scales | Same as day one | Coverage that flexes with the phase |
The part people underrate about site security is the small stuff you catch on patrol. On a construction site that's the gate somebody left open, the copper stacked by the fence line where it's easy to grab, the torch left near something that burns. A real Officer walks it, notices, fixes what they can, and tells the superintendent: this was open last night, we're on it. You just headed off a loss that would've cost a few hundred to a few thousand dollars, and the client didn't have to lift a finger. That's the job most of the time. Not the dramatic stop. The quiet catch, before it becomes a claim.
Pressure-Test a Construction Security Provider
Before you sign a construction security provider, run through these:
- Will the Officers document their rounds of the fence line, materials, and equipment, or just sit in the trailer?
- Is access controlled, so deliveries and subcontractors get verified and logged?
- If hot work is happening, will a fire watch stay on the area past the last spark and log it?
- Do you get incident reports written the same day, clear enough for the GC and the insurer?
- Can coverage scale as the project moves from site work to vertical to finishes?
- Can they start fast, on short notice, without a long contract holding it up?
A provider who can't answer these cleanly is showing you where the coverage would be thin.
How We Handle It at ARDENT
Construction is where we do a lot of our fastest work, and it's rarely just one job. We've been brought in for what looked like 24 hours of fire watch and stayed for nearly a year as the project changed around us. So we scope coverage to the phase you're in: perimeter and theft control while materials pile up, access control as subs and deliveries ramp, and fire watch whenever hot work or an uncommissioned system calls for it.
Our Officers patrol on foot, document their rounds, and write incident reports the same day, clear enough to hand a general contractor or an insurer. When there's hot work, the watch stays on the area past the last spark and the log proves it. And we can start on short notice, because a site that's exposed tonight can't wait for a signed annual contract.
Key Takeaways
- A construction site needs three jobs at once: theft control, trespass and access management, and fire watch when the code calls for it.
- Most construction loss is after-hours theft of copper, tools, and equipment, and visible, documented patrol is the deterrent.
- Trespass is a liability problem as much as a theft one. Set the specifics with your insurer and counsel, and keep the site controlled and documented.
- Hot work calls for a fire watch that stays on the area at least 60 minutes after the work stops, and an untrained guard usually doesn't know that.
- Construction coverage has to flex with the phase and start fast. A provider locked to one shape, or a long contract, is the wrong fit.
Frequently Asked Questions
What Gets Stolen from Construction Sites, and How Does Security Help?
Copper wire, tools, appliances, lumber, fuel, and equipment, mostly after hours and on weekends. A visible, professional Officer running documented patrols deters most of it and catches the rest early, the open gate or the staged materials, before they walk off. The documentation also supports an insurance claim if something does happen.
Do Construction Sites Need a Fire Watch?
When hot work like welding or cutting is going on, the fire code calls for a fire watch that continues at least 60 minutes after the work stops. New construction can also need one while fire protection systems aren't commissioned yet. The exact requirement is set by your local fire official, so confirm it with them, not a blog.
Can One Company Handle Both Site Security and Fire Watch?
Yes, and on a construction site it's common to need both. What matters is that the fire watch is staffed and treated as its own job when it's required, with its own log, instead of folded into a guard's other duties. Keeping the roles clear is what keeps the site compliant.
How Fast Can Coverage Start on a Site?
Short-notice guard coverage and fire watch can begin within about 24 hours. Starting fast is only half of it, though. A watch or a post that starts fast but works poorly can create more risk than one that takes a little longer and starts right.
How Much Does Construction Site Security Cost?
Unarmed guard coverage generally runs about $28 to $40 an hour, and fire watch about $35 to $55. The bigger question is what a single theft or a fire-code violation would cost you, which is usually the number that makes documented coverage worth it.