open well

open well

[′ō·pən ′wel] (civil engineering) A well whose diameter is great enough (1 meter or more) for a person to descend to the water level. An artificial pond filling a large excavation in the zone of saturation up to the water table.

open well

A floor opening, a series of such openings, or an atrium of two or more stories that does not meet code requirements (with respect to enclosure) for a covered shaft.