active workings

active workings

[′ak·tiv ′wərk·iŋz]
(mining engineering)
All places in a mine that are ventilated and inspected regularly.
References in periodicals archive ?
Major artisanal workings located - active workings extending greater than 2km x 100m in the Nangalasso Project highlight excellent gold potential.
The Mine Act, however, specifically states that the 'use of respirators shall not be substituted for environmental control measures in the active workings.
Active workings are between the 4,250- and 7,050-foot levels.
Samples from individual mineralized intervals from the active workings returned values ranging from 0.