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P & D Marsh
48 Elm High Road
Wisbech
Cambs
PE14 0DQ

07730 202270

 

Stair type access tower (72mm)

 

Stair type access tower (72mm)

Product

M22 - Stair type access tower (72mm) - N Gauge

Details

Comes in kit form and requires painting.



Scaffold type access frames have existed since the 19th Century with ladder type structures made of wood and steel providing high level access especially for construction. During the industrial revolution manufacturing methods improved in leaps and bounds with lightweight aluminium also being introduced. Due to the large number of accidents many involving deaths of workers the importance of health and safety was constantly being stressed and from the late 1950ís early1960 the development of light weight easy to handle self-supporting modular structures were taking place, which today are now common place. These light weight tubular structures make it possible to produce access towers of heights up to 40m with structure anchored to the high buildings and tank-towers they serve. They also offer multi-access points at differing height levels providing maximum flexibility which can be sited either temporary or permanently dependent on needs. These constructions use standard Layer components with stairs angled at around 45o +- 3o this being approximate and not given as actual design and build advice. The platform deck-sides and the corresponding stair-ladder sections (top & bottom) are often painted warning green or red and sometimes the whole staircase is painted in these colours, while vertical tubes are silver.

Our design criteria was to produce just the staircase type access tower in kit form with the flexibility of making the model at differing landing deck heights up to 11m (35ft) or so scale size, suitable for N-Gauge 1:148 to 1:160 scales. Obviously to achieve this flexibility, design compromises have been made providing a modular concept for simplification and easy assembly using pre-cast metal layers, ladders and thin 0.5mm hard steel wires providing the rigidity once all glued together. We have not covered actual scaffolding with walkway/working boards as we believe these already exist and are available from other sources. However our staircase access tower can be easily integrated with other models to add visual complexity. Should heights up to 40m (265mm scale height) be required additional kits will be required 3 maximum plus 300mm long steel wires, these being provided to special order if required.

Difficulty

4

Price

9.35

         
 

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