ST'AIR
ST'AIR Access Tower, integrated into state-of-the-art shoring tower. Easy handling, exceptional safety.
ST’AIR is a spiral access tower included into a latest-generation shoring tower. It can also be used as a stand-alone tower.
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Product Advantages
Work safely
- Easy and safe assembly and disassembly at any time, without safety harness
- Assembly deck creates enclosed work surface
- Permanent advancing side protection
- Lightweight components (< 15 kg) mean easy handling
- Free space overhead, no sudden collisions
- Integrated crane suspensions
- Automatic base jack retainer
- Safe access in accordance with EN 12811-1
- Operating loads in accordance with NF P93-521
- Maximum access height 24.00 m
Work productively
- Quick assembly, no bolts or nuts
- Exits on all 4 sides at 50 cm intervals are possible
- 4 m tower moveable by carriage, no crane
- Installation area 1.5 m x 1.5 m; ideal even in confined spaces
- 100% compatible with ST 60 Shoring Tower and MODEX Scaffolding
Technical data
› Tower dimensions: 1.50 x 1.50 m
› Maximum access height: 24 m
› Maximal load: 8 persons or 680 kg
› Number of people recommended for the assembly / disassembly: 2 people minimum
› Required tools: hammer, spirit level
Assembly time (internal measurements):
› 3 meter tower height: 2 people / 12 min
› 9 meter tower height: 2 people / 60 min incl. anchoring
| Flight inclination | 47.5–52.5° |
| Step height | 200 mm (first step = 140 mm) |
| Step depth | min. 167 mm |
| Step going | min. 20 mm |
| Step width | 620–908 mm |
| Tread | min. 151 mm |
| Blondel's theorem | 565 mm |
| Slip-proof steps with rainwater evacuation | yes |
| Headroom | 2.36 m |
| Stop depth | 680 mm |
| Foot rail | Clear ≤ 20 mm |
| Operation load | Punctual load of 360 daN and distributed load of 300 daN/m² |
| Distance rail / floor | 997 mm |
| Maximum opening in side protection | < 470 mm |
| Toe board height | ≥ 150 mm |
