Caged & Fall-Arrest Ladders · OSHA 1910.23 / EN ISO 14122-4
Fixed Ladder Safety System
Cage or fall-arrest rail — engineered in our Shijiazhuang factory from Q235B or SS304, then load-tested batch by batch before it leaves the floor.
Gallery
Warehouse run
Heavy industry
Galvanized finish
Facade access
Product Overview
What Is a Fixed Ladder Safety System?
A fixed ladder safety system is the guard that protects a worker climbing a permanent vertical ladder — either a welded ladder safety cage around the rungs or a fall-arrest rail running up one stile. We build both in our Shijiazhuang plant from Q235B carbon steel or SS304/SS316 stainless, then load-test a sample from every batch.
In our factory we treat the cage and the rail as structural parts, not bolt-on extras. Each cage hoop is jig-welded to the stringers; every rung is checked against the 250–300 mm pitch our engineers set. That habit comes from more than twenty years of building fixed access ladders for tank farms and rooftop plant rooms.
Because we ship straight from the plant, there is no middleman markup. Every order leaves with material certificates, weld reports, and load-test data, and SGS or TÜV third-party inspection is available on request. Factory audits are welcome.
Welded ladder safety cage — hooped guard over the rungs
Technical Specifications
Components & Specifications
Cage hoops & rail
Jig-welded to Q235B stringers
Key dimensions at a glance
Typical geometry for a caged or fall-arrest setup. Final dimensions follow the governing code — OSHA 1910.23 in North America, EN ISO 14122-4 in Europe — and are confirmed on the stamped shop drawing.
| Parameter | Value |
|---|---|
| System type | Fixed vertical ladder — caged or fall-arrest rail |
| Stringer material | Q235B / SS304 / SS316 |
| Rung spacing | 250–300 mm |
| Rung diameter | 18–20 mm (solid / serrated) |
| Ladder safety cage hoop spacing | ≤ 1500 mm (EN ISO 14122-4) |
| Cage internal depth | 650–800 mm from rung |
| Cage start height | 2.1–2.4 m above base |
| Rung point load | 1.5 kN (EN ISO 14122-4) |
| Fall-arrest rail load | |
| Coating | Hot-dip galvanized ~85 µm (ISO 1461) / 304 mill finish |
| Standards | OSHA 1910.23, EN ISO 14122-4 |
| Max single flight | ~6 m before rest platform |
| Quality system | ISO 9001:2015 |
Standards & Compliance
OSHA 1910.23 & EN ISO 14122-4 Compliance
Caged ladder on a process tank
Export project (representative)
OSHA 1910.23: cage vs fall-arrest at 24 ft
OSHA 1910.23 draws the line at a 24-foot fall height. Below it, a ladder safety cage or a fall-arrest system is acceptable; above it, the 2018 update requires personal fall-arrest or a ladder safety system on new and replacement ladders, and phases cages out over time. We build to whatever the project specifies and note the clause on the drawing.
EN ISO 14122-4 safety cage
For European sites the cage follows EN ISO 14122-4, used where the fall height passes about 3 m with no other protection. Hoops sit no more than 1.5 m apart with vertical bars between them, and cage depth stays in the 650–800 mm band from the rung.
Cage or fall-arrest: how to choose
Short answer: climb height and the governing code decide. Under ~24 ft (7.3 m) a welded cage is the simplest, lowest-maintenance guard. On taller runs, or where OSHA's update applies, a fall-arrest rail with a sliding glider is the compliant route — and it retrofits more easily onto existing ladders. Send the height and the standard; our engineers recommend the right setup, not the most expensive one.
Installation & retrofit
New ladders ship pre-drilled with a bolt-by-numbers cage kit. Retrofits use clamp-on hoop brackets, or a rail that fixes to the existing stiles without re-welding on site. A typical single flight installs in hours with two fitters. We supply an installation drawing and a torque schedule with every order.
Q235B, SS304 or SS316
Standard systems are Q235B carbon steel. For coastal, food, or chemical plants we switch to SS304 or SS316; the grade is printed on the material certificate that ships with the order.
Proven on export projects
For a recent order we supplied units in SS304, each with a rest platform on the long climbs. Every unit passed third-party load testing before sea freight, with. Material certificates, weld reports, and load-test data shipped with the lot.
Related Systems
Fixed Ladder Family
FAQ
Frequently Asked Questions
Need a fixed-ladder safety quote?
Send us the climb height and the governing standard. Our engineers return a stamped drawing, a cage-or-rail compliance note, and factory-direct pricing — usually within one working day.