
Aluminum access work platforms with stairs · Wide platform stairs
Orsa Maggiore - Professional platform with stairs
A professional stair-platform ladder with a single ascent section, complete with a work platform, guardrails, and handrails. Its welded aluminum construction ensures high durability, while the folding bars make transport and storage easier. Suitable for warehouses, machinery access, airports, gyms, and other demanding workplaces.
150kg
Load capacity
1ppl
Operators
12
Sizes
131
Standard
- ✓ Made in Italy
- ✓ Robotic welds (EN ISO 14732)
Key parameters
Key features
Size table
Technical specifications
Concrete codes and dimensions from the current COSMOS catalogue (40th edition, 2025). Pricing prepared per inquiry.
| Stupňů | Výška plošiny (m) | Pracovní výška (m) | Hmotnost (kg) | Kód |
|---|---|---|---|---|
| 4 | 1,07 | 3,07 | 27 | OMA4 |
| 6 | 1,60 | 3,60 | 31 | OMA6 |
| 8 | 2,15 | 4,15 | 35 | OMA8 |
| 10 | 2,65 | 4,65 | 39 | OMA10 |
| 12 | 3,16 | 5,16 | 44 | OMA12 |
| 15 | 3,90 | 5,90 | 50 | OMA15 |
Safety & standards
Standards & certifications
- D.Lgs. 81/08Italian H&S law — general framework for ladders (art. 113) and mobile scaffolding (art. 140).
- EN 131-1/2European standard for portable ladders — construction, testing and marking.
- EN 131-3User instructions — labels, pictograms and user manuals.
- EN 131-4Standard for transformable multi-position ladders with hinges (Stellina, Antares…).
- EN 131-6Standard for ultra-compact telescopic ladders.
- EN 131-7Standard for wide-platform ladders (Super TeleGemma, Super Gemma…).
- EN 14183Standard for step-stools for industrial and commercial use.
- UNI 11962:2024Italian technical standard for vertical ladders on buildings (from 2024).
- EN 14122-4European standard for vertical ladders on machinery.
- CEI EN 50528Standard for insulated (FIBRA) ladders — work near electrical installations up to 1000 V AC / 1500 V DC.
- EN ISO 14732Standard for robotic welding — applied on most COSMOS models.
- EN ISO 9606-2Standard for manual aluminium welding — applied on special and small-batch production.
Operating rules
Before climbing up
Assemble per manual
Assemble scaffolding and ladders strictly per manufacturer's configurations and procedures.
Pre-use inspection
Before use, check joints, wheel brakes, locks, completeness of guardrails and decks.
PPE beyond EN 1004 limits
Beyond standard limits (e.g. over 8 m outdoors) wall anchoring and fall-arrest PPE are required.
No moving with operator
Do not move scaffolding while a person or load is on it.
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