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A 4-metre gutter, enduring a −5 °C to 25 °C temperature range will need space to expand, 30 × 4 × 0.06 = 7.2 mm within its end stops. [28] As a rule of thumb a 4-inch (100 mm) gutter with a single 68-millimetre (2.7 in) downpipe will drain a 600-square-foot (56 m 2) roof. [29]
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A box gutter, internal gutter, parallel gutter, or trough gutter is a rain gutter on a roof usually rectangular in shape; it may be lined with EPDM rubber, metal, asphalt, or roofing felt, and may be concealed behind a parapet or the eaves, or in a roof valley. [1] [2]
In past centuries, when urban streets did not have sanitary sewers, street gutters were made deep enough to serve that purpose as well; responsibility for operation and maintenance of the dual-purpose street gutter was cooperatively shared between the local government and the inhabitants. [2] A now obsolete word meaning a street gutter is a kennel.
As the diameter of the reline pipe will be smaller than the host pipe, the cross-sectional flow area will be smaller. By selecting a reline pipe with a very smooth internal surface with an approximate Hazen-Williams Friction Factor C value of between 140–150, the decreased flow area can be offset, and hydraulic flow rates potentially ...
Gutter, in typography, the space between columns of printed text Gutter, in bookbinding , page edges joined to the spine Gutter (philately) , the space between panes of postage stamps that creates configurations of "gutter pairs" or "gutter blocks"
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