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ES-TRIN, Article 19.06(9)(a) - Stairs and their landings

Question:
Is the compliance with the Standard EN 13056 related to the finished staircase?

Answer:
The compliance with the Standard EN 13056:2000 is related to the finished staircase; this means with any covering like stair carpet, floor tile, marble, ...

Question:
Is the absence of stair risers allowed?

Answer:
The absence of stair risers is allowable provided that the clear space between the steps does not exceed the limit of 120 mm in accordance with EN 13056.

Question:
Is a staircase with a gradient of less than 30° or more than 45° prohibited?

Answer:
Stairs with gradients of less than 30° or more than 45° do not comply with the Standard and nor therefore with the requirements of Article 19.06(9)(a).

CESNI/PT/Pax (20)m 28, CESNI/PT/Pax (21)m, item 4

Working group for passenger vessels (CESNI/PT/Pax), stairs, stair risers, gradient