What do Obstruction Sensors require in relation to ramp and elevation?

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Multiple Choice

What do Obstruction Sensors require in relation to ramp and elevation?

Explanation:
Obstruction sensors need a proper ramp whenever there is a rise between levels so the transition is smooth and the sensor can reliably detect objects across the change in height. The required ramp length is one foot for every inch of elevation, giving a 1:12 slope. This aligns with standard accessibility ramp practice and keeps the sensor’s detection area consistent as the platform moves. A steeper or flatter ramp would disrupt the sensor’s geometry or practicality, and a ramp is not limited to outdoor installations—any elevation change needs the correct ramp.

Obstruction sensors need a proper ramp whenever there is a rise between levels so the transition is smooth and the sensor can reliably detect objects across the change in height. The required ramp length is one foot for every inch of elevation, giving a 1:12 slope. This aligns with standard accessibility ramp practice and keeps the sensor’s detection area consistent as the platform moves. A steeper or flatter ramp would disrupt the sensor’s geometry or practicality, and a ramp is not limited to outdoor installations—any elevation change needs the correct ramp.

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