By Huu Khanh Nguyen · Updated October 28, 2026 · stair, flight
A solid precast concrete stoop whose steps and top platform are cast as one piece.
| Name | Default | Unit |
|---|---|---|
| Number of risers (the flight has risers - 1 treads, the last riser meets the upper level) | 3 | |
| Riser height, vertical distance between two successive treads | 177.8 | mm |
| Going, horizontal distance between successive nosings (y) | 304.8 | mm |
| Width of the steps and the platform (x) | 1219.2 | mm |
| Depth of the top platform (y) | 1219.2 | mm |
| Finish of the flight's own parts | white | |
| Width (x) | width | mm |
| Depth, the steps and the platform (y) | (risers - 1) * going + platformDepth | mm |
| Height of the platform above the lower floor (z) | risers * rise | mm |