Scupper
Architectural draining feature
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Scuppers.jpg/220px-Scuppers.jpg)
A scupper is an opening in the side walls of a vessel or an open-air structure, which allows water to drain instead of pooling within the bulwark or gunwales of a vessel, or within the curbing or walls of a building.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Bulwark_%28cropped%29.jpg/170px-Bulwark_%28cropped%29.jpg)
There are two main kinds of scuppers:
- Ships have scuppers at deck level, to allow for ocean or rainwater drain-off.[1]
- Buildings with railed rooftops may have scuppers to let rainwater drain instead of pooling within the railing. Scuppers can also be placed in a parapet, for the same purpose.[2]
References
External links
- Schematics employed in hydraulic diagrams
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