Flamesmith47 t1_jachz2l wrote on February 28, 2023 at 1:23 PM Reply to Eli5 why do stairwells need to be have two flights in a spiral to go up one floor when escalators can just use the one flight going straight up for the same distance? by exmxn In case of emergency. Depending on where you live there is usually building code. Steps that are 8in high are standard for fire escape routes. Instead of making the stairs twice as steep, they create a turn. Permalink 2
Flamesmith47 t1_jachz2l wrote
Reply to Eli5 why do stairwells need to be have two flights in a spiral to go up one floor when escalators can just use the one flight going straight up for the same distance? by exmxn
In case of emergency. Depending on where you live there is usually building code. Steps that are 8in high are standard for fire escape routes. Instead of making the stairs twice as steep, they create a turn.