TRG120 Trench Guardrail System, 120 ft
The Frontline TRG120 is a complete 120 ft trench guardrail system: a non-penetrating perimeter rail that rings an open trench or excavation to keep workers and the public back from the edge. Designed for effortless handling and assembly, it sets up in minutes with minimal tools.
The kit includes 14 guardrail posts, 24 top/mid rails (TRG-10), and 4 side rails (TRG-SDRL), all in ASTM rated steel finished in hot-dip galvanized or powder-coated safety green or yellow. With a 200 lb static tensile strength rating, it meets the OSHA guardrail criteria of 1910 and 1926 - turnkey edge protection for the cut.
Who Needs This Product
This product is a complete trench guardrail kit - non-penetrating perimeter protection around an open trench or excavation, where a fall into the cut is a serious hazard. Utility, pipeline, and site crews ring the excavation to keep workers and the public back from the edge.
Features
Rings the excavation
120 ft of perimeter rail to fence an open trench.
Non-penetrating
Sits at the trench edge - no driving stakes into unstable ground.
Complete kit
14 posts, 24 top/mid rails, and 4 side rails in one system.
Fast assembly
Effortless handling and assembly with minimal tools.
200 lb rated
Meets the OSHA guardrail top-rail load criteria.
Finish options
Hot-dip galvanized or powder-coated safety green/yellow.
Technical Specifications
| SKU | TRG120 |
|---|---|
| Type | Complete trench guardrail system |
| Coverage | 120 ft perimeter |
| Kit includes | 14 posts, 24 top/mid rails (TRG-10), 4 side rails (TRG-SDRL) |
| Material | ASTM rated steel |
| Finishes | Hot-dip galvanized; powder-coated safety green or yellow |
| Static tensile strength | 200 lbs |
| Installation | Non-penetrating; minimal tools, minutes |
| Standards | OSHA 1910; OSHA 1926 |
Passive protection, installed right. A guardrail only protects if every base, post, rail, and toe board is set per the Frontline manual on a suitable surface. Have a competent person verify the installed system before it is relied upon, and re-inspect after any impact.
Compliance Standards
OSHA 29 CFR 1926.502
Guardrail system criteria for construction: 200 lb top-rail load, heights, and toe boards.
OSHA 29 CFR 1910.29
Walking-working surface guardrail requirements for general industry.
Engineered design
Components are engineered to meet the applicable OSHA guardrail load criteria per the spec sheet.
Typical Applications
How to Set Up the TRG120
Follow the manufacturer's manual. The sequence below is an overview only.
- Inspect. Check bases, posts, rails, and fittings before each use.
- Plan the run. Lay out base/post positions per the manual maximum spacing for your edge.
- Set the bases. Place the non-penetrating bases (or clamp/anchor per the system) along the edge.
- Install posts and rails. Slide posts into the base fittings and seat top rails, mid rails, and toe boards.
- Secure. Tighten grub screws and connections per the manual.
- Verify. Have a competent person confirm the system before relying on it.
Inspection and Retirement
Inspect before each use and after any impact. Pull any component from service for the conditions below.
- Posts and bases: bending, cracks, corrosion, or coating breakdown.
- Clamping / counterweight: secure, no slipping under hand load.
- Rails and toe boards: secure seating in the fittings, no damage.
- Fasteners and grub screws: present, functional, tightened per the manual.
- Markings: labels must be present and legible.
Remove any component from service that fails inspection. After any impact or load event, inspect the full system before reuse. Guardrail is passive protection: a damaged system gives false confidence.
Frequently Asked Questions
Frontline TRG120 Submittals and Documentation
Frontline TRG120 Spec Sheet (PDF)Coverage, kit components, materials, and standards. Frontline TRG Test Report (PDF)Third-party test results for the trench guardrail system. Frontline Catalog (PDF)The full Frontline Fall Protection product catalog.Compatible and Related Products
- Frontline GUS05 Complete Guardrail Kit. A guardrail kit for roof and slab perimeters.
- Frontline GUB56 Guardrail Base. Extra bases for guardrail runs.
- Frontline GUC2X4 Slab Grabber. A clamp-on guardrail for concrete edges.
Railing Off an Edge or Opening?
Guardrail layouts depend on your edge, substrate, and span. Confirm your jobsite conditions with us and we will walk through the guardrail lineup so the right bases, posts, and rails ship together.
Call 863-703-4522 to talk to a fall protection specialist.
