EC: TRAPDOOR
Status:
STD 2005/06/07
Code:
1278
Concept definition:
A <
DOOR
> or hatch that is flush with a <
SURFACE
> and located in a <
FLOOR
>, on a <
ROOF
>, or in a <
ROOM_CEILING
>; trapdoor [
SOED
, "trapdoor", 1].
Reference type:
Reference:
Supplemental references:
Group membership:
BUILDING_COMPONENT
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