fan drift

fan drift

[′fan ‚drift]
(mining engineering)
The short tunnel connecting the upcast shaft with the exhaust fan.
References in periodicals archive ?
Tenders are invited for Extension Of North Fan Drift From 10Th L To 11Th L At Balaghat Mine
Limited Tenders are invited for Extension Of South Fan Drift From 8Th L To 9Th L At Balaghat Mine
Tenders are invited for Construction of fan drift and 02 nos motor houses along with inspection corridors at 1and 2 incline at jhanjra area (shaft e) jhanjra.