Quote:
Originally Posted by humfrz
Texting while walking - 
What a place for a trap door -  |
Quote:
Originally Posted by Azzudien
Love how he just looks down for the guy and then closes the door. RIP buddy
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I feel his pain.
I saw a good episode of the Disney+ series "Mind games" (I think that is the name of it) that explained how your mind sometimes fills in the blanks and shows you what you expect to see even when it's not there, particularly if you are distracted. Assuming this isn't a setup, that could be what happened here. You think the floor should be there so your mind doesn't see the gapping hole.
Having dealt with raised floors for close to 40 years, I've seen this happen many times. Fortunately was was never in a deep one. I've personally stepped on a tile that wasn't secured correctly and went through it.
About five years ago I took a tour of a data center outside Richmond, VA. It is space converted from what use to be a chip manufacturing plant. Sony used to produce chips for the Playstation 3 there.
The floor of the plant had to be seismic-isolated from any vibration at all. It was a complicated suspended floor raised over 50 ft of suspension. They had see through panels in a section of the floor so you could see underneath. I'm not height adverse, but it gave me the willies to stand on that tile and look down through the floor.