air shaft


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air shaft

[′er ‚shaft]
(building construction)
An open space surrounded by the walls of a building or buildings to provide ventilation for windows. Also known as air well.
(mining engineering)
A usually vertical earth bore or shaft to supply surface air to an underground facility such as a mine.

air shaft, air well

A ventilating shaft; a roofless enclosed area within a building or between buildings; may have openings such as windows.
References in periodicals archive ?
After accepting information on basic requirements for simple mounting styles such as unwind or rewind, roll weight and web width, the system provides a carbon fiber or aluminum external element air shaft solution that can weigh as much as 50% less than the existing shaft.
Tenders are invited for clearance and uprootal works at mvk-3 and mvk-1 closed mine & air shaft of bellampally area during 2016
The External Element GX Air Shaft, an ultra light, low-cost shaft design, is now available from Camas, WA-based Tidland.
Tidland Corporation invented the air shaft in 1948 and has continued to lead the industry ever since.
The machine is available in a coreless version that can start the winding directly on an air shaft.
By entering in basic requirements for simple mounting styles, such as unwind or rewind, roll weight and web width, converters are provided with a carbon fiber or aluminum external element air shaft that can weigh as much as 50 percent less than their existing shaft.
Tenders are invited for Construction Of Air Shaft, Air Drift And Fan House At Vijay West Mine Of Chirimiri Area.
The multiple slit webs are wound on a expanding air shaft with multiple width cores.
Tenders are invited for Repairing Of Air Shaft To Prevent Air Leakage And Repairing Of Drain To Prevent Entry Of Cachement Water In To Air Shaft And In To Fan House At Section Of Maheshpur Colliery
Tenders are invited for Re organisation of water supply pipe lines from srp 1 filter bed to srp air shaft at ch 6105 and from srp 1 air shaft filter bed to srp-ocp at ch: 6380 in srirampur area, adilabad (dt), t.
Tenders are invited for laying of bt approach road including formation and hume pipe culverts to alp return air shaft, project office and service buildings of adriyala longwall project, adriyala projects area, godavarikhani, karimnagar dist.