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The Gate Monitor

Making gates safer

Making gates saferMaking gates safer
Gate Safety Built by Fence & Gate Companies

Safety is TGM-500™ and TGM-501™

 TGM-500™ is a practical, field-tested gate operator safety standard created for real-world installers. It gives contractors a simple, checklist-based way to ensure gates are installed safely—without needing expensive, brand-locked devices or complex code interpretations. 

Let's take safety to the next level

Gate operator safety doesn't have to be complicated.

TGM-500™ and TGM-501™ aren’t just safety standards—they’re a shift in how the gate and fence industry takes ownership of its work. For the first time, we have a practical, field-tested way to prove a system is safe without relying on overly complex or proprietary methods.


These standards are going to change the industry by:

  • ✅ Putting control back in the hands of installers who actually do the work
  • ✅ Opening the market to new manufacturers who build solid products but can’t afford restrictive certification processes
  • ✅ Easing the burden on small and medium-sized fence companies by removing overpriced device lock-ins and complex approval requirements
  • ✅ Promoting more real-world engagement with gate safety, encouraging contractors to test, verify, and sign off on every system they build
  • ✅ Earning the trust of local building and fire departments by giving them clear checklists, straightforward documentation, and safety practices they can visually inspect and approve


We believe this is the correct way to promote professionalism in our trade—with structure, accountability, and installer-led standards. Not just with logos on boxes.


It also helps attract new talent to the industry. TGM standards give apprentices, trainees, and new business owners a clear way to learn, comply, and prove they know what they’re doing. And just as importantly, it helps retain skilled professionals who might otherwise leave out of frustration with gatekeeping, unclear standards, or lack of recognition.


TGM-500™ and TGM-501™ make safety something we own, not something handed down. They raise the bar—and they keep it in our hands.


And because these standards were developed alongside Fence University and the Fence Workers Association, free training and public awareness have become core priorities of the movement. Contractors and newcomers alike can access checklists, videos, and certification tools—at no cost—making it easier than ever to participate, learn, and contribute to a safer industry.


For years, our industry has been guided by standards and rules created without the input of the installers, builders, and service professionals who actually do the work. Small and mid-sized companies have had to navigate expensive equipment requirements, confusing language, and safety systems that don’t match real-world job sites.

TGM-500™ and TGM-501™ were built to change that.


These standards put the power back in the hands of the people on the ground—the folks who install, test, and stand behind every gate they touch. They offer practical, easy-to-follow checklists that improve safety, reduce liability, and give contractors the ability to show they did the job right.


  • TGM-500™ improves gate operator safety through verified force limits, real-time sensor checks, and installer accountability.
  • TGM-501™ improves gate construction safety by preventing fall-over risks, reducing gap hazards, and ensuring the structure is safe and secure.


Together, they bring clarity, consistency, and common sense to an industry that’s ready to take ownership of its standards.

Standards Viewer

Download PDF
TGM-500 & TGM-501

Why the IBC Can Accept These Standards

TGM-500™ and TGM-501™ were built to align with the intent and flexibility outlined in the International Building Code (IBC), specifically under Section 104.11, which allows for the approval of alternative materials, methods, or systems.

Find out more

Gate operator Safety Standard

What is TGM-500™?

TGM-500™ is a field-focused gate operator safety standard designed to simplify and improve safety practices across the fence and gate industry. Instead of relying solely on manufacturer controls and complex certification models, TGM-500™ gives installers a clear, enforceable checklist to verify safety at the time of installation.

TGM-500™ focuses on:

  • ✅ Manual release accessibility
  • ✅ Auto-close delay and warnings
  • ✅ Safety sensor functionality (open/close)
  • ✅ Force limitation
  • ✅ Surge protection and labeled disconnects

It puts responsibility—and respect—back in the hands of the installer, while still giving AHJs and property owners confidence that a system was installed safely and responsibly.

Read More

Gate Construction Standard

What is TGM-501™?

 TGM-501™ is a construction-based safety standard for physical gate systems. It ensures that the gate itself is built to prevent entrapment, resist tipping or collapse, and operate safely when paired with any gate operator.

TGM-501™ covers all structural and design safety requirements that traditional standards often overlook, including:

  • ✅ Frame rigidity and strength
  • ✅ Maximum bottom clearance of 4 inches
  • ✅ Gap limitations (no greater than 2.25 inches)
  • ✅ Roller guards and pinch-point shielding
  • ✅ Fall protection: gate should not be able to tip more than 45° if hardware fails

By setting clear expectations for gate construction, TGM-501™ helps installers, fabricators, and inspectors ensure safer installations—especially in custom or non-standard environments.

Read More

Standards

Gate Operator Safety Requirements (TGM-500™)

  

1. Manual Release

  • Tool-free manual emergency release must be installed and clearly labeled.

2. Auto-Close Delay

  • Auto-close systems must delay at least 5 seconds before movement begins.
  • Optional:  audible or visual warning during the delay.

3. Force Limitation

  • Gate must exert no more than 40 lbs of continuous force.
  • Startup surge must be under 75 lbs and last less than 1 second.

4. Sensor Inputs

  • Operator must support photo eyes or safety edges.
  • Must have a sensor input for both opening and closing directions.

5. Sensor Response

  • Gate      must stop or reverse immediately when a safety device is triggered.

6. Power and Wiring

  • Must have a power disconnect (plug, switch, or breaker).
  • Terminals must be labeled.
  • Surge protection must be built in or supported.

Gate Construction Safety Requirements (TGM-501™)

  

1. Frame Strength

  • Gate must resist flex, sag, or collapse under power.

2. Bottom Clearance

  • Gate must maintain ≤ 4 inches of clearance from the ground.

3. Gap and Infill

  • No gaps over 2.25 inches allowed anywhere on or around the gate.
  • Tail sections must be infilled to prevent climb-through or reach-through.

4. Travel Stops and Fall Protection

  • Physical stops required at open and closed positions.
  • Gate must be mounted to prevent tipping beyond 45 degrees in failure.

5. Roller and Track Guarding

  • All      exposed rollers must be shielded.
  • Tracks, chains, or racks must be enclosed or located in protected zones.

6. Pinch Point Elimination

  • Hinges, arms, and slide systems must not expose pinch or crush zones.

7. Decorative Safety

  • Sharp elements must be safety-capped or located 8 feet or higher.

Working with the building departMENT

Why the IBC can Accept These Standards

TGM-500™ and TGM-501™ were built to align with the intent and flexibility outlined in the International Building Code (IBC), specifically under Section 104.11, which allows for the approval of alternative materials, methods, or systems if they provide equivalent or greater safety than those prescribed by the code.


These standards meet the criteria because:

  • ✅ They address critical safety goals like obstruction detection, force limitation, and manual emergency release
  • ✅ They provide documented, verifiable results through installer-completed checklists
  • ✅ They eliminate ambiguity and promote consistent field safety practices
  • ✅ They reduce the burden on AHJs by giving them clear documentation and inspection-ready criteria

By focusing on performance at the time of installation—not just manufacturing claims—TGM-500™ and TGM-501™ deliver a safer, more transparent process that satisfies what code officials care most about: protecting people, property, and public trust.


These standards are designed to qualify for approval under IBC 104.11 and can be submitted by any contractor to their local building or fire official for use as an alternative safety method.

Download Verification Forms

Slide Gate FIELD VERIFICATION Form

 This field verification form confirms that an automated gate system has been installed in compliance with the TGM-500™ (Operator Safety) and TGM-501™ (Gate Construction) standards. 

Download Form

Swing Gate Field Verification Form

 This field verification form confirms that an automated gate system has been installed in compliance with the TGM-500™ (Operator Safety) and TGM-501™ (Gate Construction) standards. 

Download Form
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