drywell


Also found in: Encyclopedia, Wikipedia.

dry well

also dry·well (drī′wĕl′)
n.
An underground chamber, usually containing stones or rubble, that collects rainwater from the roof of a building and allows it to seep gradually into the soil, reducing runoff.

drywell

(ˈdraɪˌwɛl)
n
(General Engineering) a type of sewage or excess water disposal system
References in periodicals archive ?
You can also discharge it to a drywell, but be sure the drywell is sized properly.
While most drywell designs simply have a small oil dam tube inside the gear unit, Nord's stationary oil dam tube extends vertically above the top of the gear unit housing.
The drywell is probably the best place for conditioner backwash.
The plants also must analyze their drywell venting scenarios and if necessary, install a drywell venting option starting in June 2017.
Stormwater: Amazon Creek stabilization, Bertelsen to Royal, and Chambers to Garfield; Drywell elimination, Taz/Willowbrook areas
Mark Pomponi, General Manager of Development Services, displayed a site plan for the new home noting that the drywell was not required by the county but had been proposed by the owners' engineer to deal with drainage matters.
New York, June 15 (ANI): A man has been rescued eight hours after he fell into a 25-feet deep wet drywell which was filled with debris.
The suppression chamber, often referred to as the "toms," contains a large volume of water and a vent system connecting the upper portion of the primary containment which contains the reactor, referred to as the drywell, to the space within the suppression chamber containing the water, the wetwell.
In Units 2 and 3 Reactor Pressure Vessel and Drywell pressures remain at atmospheric pressure.
He said: "The indications we have suggest the core has melted through the bottom of the pressure vessel in unit two, and at least some of it is down on the floor of the drywell.
An explosion occurred on March 15, and pressure subsequently dropped in the drywell torus (see Figure 2), leading to concern that it had been damaged.