It is a piece of "soft architecture." It is a vertical transport system that becomes rigid only when used.
: For heights over 10 meters, platforms are required every 6 meters to allow for user rest. Anti-Slip Rungs scala alla marinara dwg
When the developer’s crews tried to breach the stair, the Scala alla Marinara answered. The stones sang a low, briny chord that no excavator could endure; engines stalled as if the salt in the air had congealed into resistance. Men with plans and hard hats left, bewildered, while those who listened — Marco and the guild — heard the stair’s true song: a plea to remember the city’s pulse rather than erase it. It is a piece of "soft architecture
If you cannot find a specific for a custom-sized island hood (e.g., 4000mm wide), you must pay a mechanical engineer to draw it. Expect to pay $150-$300 USD for a professional MEP-ready block. The stones sang a low, briny chord that
: A mandatory rear protection for heights exceeding certain limits. It generally starts between 2.20 m and 2.50 m from the ground and extends 1.10 m above the landing point. Rest Platforms (Piattaforma di Riposo)