By Huu Khanh Nguyen · Updated October 29, 2026 · railing, unit, step-over, roof, walkway, stairs, industrial
A walkway that carries people over a pipe, duct or low wall on a roof: a raised platform with a flight of treads at each end, a handrail and a mid rail on both sides that run level over the platform and slope down along the stairs, and a toe board along the platform. Height and width of the obstacle that is crossed Tube diameter and rail shape Base under each post Finish
| Name | Default | Unit |
|---|---|---|
| Obstacle Height | 600 | mm |
| Obstacle Width | 1000 | mm |
| Tube Diameter | 42.4 | mm |
| Finish | white | |
| Platform Height | obstacleHeight + 200 | mm |
| Treads Per Flight | Math.round(platformHeight / 200) - 1 | |
| Tread Rise | platformHeight / (treadCount + 1) | mm |
| Half Platform Length | 970 + 0.625 * (obstacleWidth - 1000) | mm |