Rethinking Fire Safety: Why Sprinkler Systems Alone Aren't Enough Without Real-Time Monitoring

By Andrew Erickson

June 17, 2025

At a glance, it might seem like a building equipped with a sprinkler system has checked the box for fire safety. But the reality is far more complex.

Not all sprinkler systems are designed to handle the same risks. This means when occupancy classifications change without proper recalculation of fire suppression needs, that oversight can result in tragic consequences.

Fire sprinkler systems are engineered with specific hazard levels in mind. As buildings evolve - whether through ownership changes, tenant turnover, or functional repurposing - the original assumptions about hazard levels often become outdated. And if the suppression systems aren't updated in parallel, responders and occupants may face a situation where the system doesn't perform as intended.

Using Firehouse's recent article on fire sprinkler systems for insight, we'll explore the critical link between occupancy classification, sprinkler density, and real-time system monitoring. Plus, we'll cover how you can avoid falling into a false sense of security by implementing smart, centralized fire alarm monitoring.

sprinkler system

Sprinkler Systems Aren't "One Size Fits All"

Sprinkler systems have been mandated by code since the late 19th century, and for good reason. They play a major role in protecting life and property. However, just because a system is installed doesn't mean it's capable of handling the current fire risks within a building.

Sprinkler systems are designed based on two factors:

  1. Occupancy classification, which determines the building's primary function and risk profile.
  2. Sprinkler density, which dictates how much water per unit area is needed to suppress a fire based on the anticipated hazard level.

Light-hazard occupancies, such as office buildings, may require minimal water flow. But a warehouse storing plastics, flammable liquids, or processing machinery requires a significantly higher density.

If your system hasn't been evaluated and recalibrated to meet new hazard levels, you're left with a system that looks compliant but won't support you when it matters most.

Evolving Infrastructure Can Be Hard with Mismatched Systems

Ideally, each time a building changes hands or functions, a full fire protection engineering review follows. But reality doesn't always work that way.

Many facilities, particularly in older urban centers, have changed uses over the years. A former print shop might become a boutique brewery. An office suite can transform into a medical storage facility. And while the layout might change overnight, the fire suppression system rarely keeps up - unless someone makes a point of reassessing it.

This creates a dangerous assumption: that a sprinkler system "still works" simply because it's present and passes inspection. But function does not equal fitness. A sprinkler system engineered for an office environment may be totally inadequate in a space now housing solvents, electronics, or mechanical equipment.

As a result, suppression efforts may not keep pace with the fire load. More importantly, first responders may expect one risk profile based on outdated documentation, only to face a very different threat when they arrive.

The Fire Service Perspective: You Need Clarity Before an Alarm

Fire departments depend on accurate pre-incident planning. This includes knowing:

  • The building's current occupancy classification
  • What the sprinkler system was originally designed to handle
  • Whether the two factors above are still in alignment

When this alignment fails, fire crews may assume they have longer access to a relatively safe environment. In reality, the fire could quickly outpace the system's ability to suppress it.

This has a direct impact on life safety. If the sprinkler system doesn't buy enough time for evacuation or stabilization, responders may be forced into "reactive mode". This makes it harder to contain the incident and protect lives.

Engineering Solutions Start With Occupancy Classification

To correct these issues, the building's occupancy classification must be formally reviewed. If a building's use has changed, the classification must be updated, and a new certificate of occupancy should be issued.

This process typically involves:

  1. Assessing current building use and hazard levels
  2. Recalculating required sprinkler density
  3. Updating or retrofitting the suppression system to meet current needs
  4. Evaluating other life-safety systems like fire alarms, smoke control, and egress

While this process is essential, it can be time- and resource-intensive. For facilities that evolve quickly (or those with multiple tenants or variable storage contents), it's even more important to have continuous visibility into system performance and fault conditions.

Smoke Detector

Your Monitoring Should Match Suppression Capability

This is where fire alarm monitoring plays a massive role.

Even if a system was originally designed properly, its ongoing effectiveness depends on real-time functionality. Are the valves open? Are flow switches operational? Has a tamper event occurred? Have any supervisory conditions gone unresolved?

Without centralized, detailed monitoring, these questions are hard to answer. And in emergencies, time spent gathering this information can cost lives.

Digitize's Prism LX Monitoring Platform addresses this challenge directly by providing:

  • Zone-specific event visibility, showing exactly where a fault or alarm has occurred
  • Color-coded status indicators for quick triage and prioritization
  • Custom labeling, helping responders instantly identify high-risk areas
  • Event logging, supporting inspection, post-incident analysis, and system diagnostics
  • Programmable alarm logic, enabling automated responses and rapid escalation

This means you're not just waiting for something to go wrong. Instead, you're monitoring, supervising, and preparing in advance.

Turn System Assumptions Into System Certainty

One of the most common concerns from facility managers and fire marshals is the cost and disruption of upgrading outdated panels. But a full panel replacement isn't always necessary.

Prism LX is designed to work with existing infrastructure, often integrating directly with legacy fire alarm systems and supervisory devices. This allows facilities to:

  • Avoid expensive "rip and replace" projects
  • Preserve historical wiring and devices
  • Monitor systems centrally across a multi-building campus
  • Comply with UL 864 and NFPA 72 standards for alarm monitoring

More importantly, it shifts safety strategies from reactive to proactive.

Has a sprinkler valve been shut for maintenance but never reopened? Has a tamper switch been activated in a back corridor? Is there a panel that's no longer sending supervisory signals? With monitoring systems like Prism LX, you'll know the answers to these questions.

That real-time knowledge empowers teams to act before small issues become serious threats.

It's Not Just About Compliance - It's About Performance Under Pressure

Too many facilities treat code compliance as the final goal. But compliance is just the starting point.

Code alone doesn't guarantee that your systems will perform perfectly under evolving real-world conditions. Digitize solutions offer a continuous feedback loop between your infrastructure and your emergency planning.

With Prism LX, facility managers and fire marshals can:

  • Track the performance of fire protection systems in real time
  • Receive automated alerts for out-of-spec conditions
  • Integrate fire alarms and supervisory signals into one interface
  • Streamline pre-incident planning with zone-level insights
  • Demonstrate compliance and responsiveness to AHJs and insurers

Occupancy Drives Engineering, & Monitoring Drives Confidence

Fire sprinkler systems save lives. But they are only as effective as their design - and only as reliable as their ongoing monitoring.

If your building's use has changed, or if it's been more than a few years since your last hazard assessment, it's time to act.

Don't let mismatched systems lull your team into a false sense of security. Pair proper engineering with real-time monitoring to make sure your fire protection plan is built on reality, not assumptions.

Strengthen Your Fire Suppression with Digitize

Digitize's Prism LX empowers you to:

  • Detect underperforming or misaligned fire protection systems
  • Monitor sprinkler supervisory conditions in real time
  • Respond quickly to faults, tampering, or water flow issues
  • Align building use with protection strategy - today and tomorrow

If you're responsible for your facility's fire safety planning, don't wait for a fire to uncover system limitations. Be proactive and be prepared.

Call us at: 1-800-523-7232
Email: info@digitize-inc.com
Andrew Erickson

Andrew Erickson

Andrew Erickson is an Application Engineer at DPS Telecom, a manufacturer of semi-custom remote alarm monitoring systems based in Fresno, California. Andrew brings more than 18 years of experience building site monitoring solutions, developing intuitive user interfaces and documentation, and...Read More