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 ?
The machine is available in a coreless version that can start the winding directly on an air shaft.
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
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.
The multiple slit webs are wound on a expanding air shaft with multiple width cores.
Tenders are invited for Sealing of one air shaft by rcc at surface fan house including dismantling of girder in underground of va seam & loading into tub, unloading at pit top then transportation upto work site surface fan house of thesgora underground mine of pench area.
Cleaning & cutting of garland drain around incline opening, sand bunker, air shaft and near tippler of Urimari UG 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.
In addition, it was determined that water was entering the building through two air shafts on the roof.
A massive shockwave raced up the shaft blowing the vents off air shafts 100ft high.
Comparing immigrant housing, the famous New York tenements with their small air shafts were matched by the unheated old houses cut into apartments in Chicago and Milwaukee.
The most important, and subject of most law suits, are the hallway, kitchen and bathroom air shafts and vents.