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2. Utility location - Wikipedia

   en.wikipedia.org/wiki/Utility_location

   Utility location markers for a fire hydrant, a drinking water line and a natural gas line in Germany. In Germany, the colors used for temporary marking of underground utilities are not standardized like in other countries. However, permanent marker signs are used for utilities like hydrants, drinking water lines and natural gas lines.

3. Cured-in-place pipe - Wikipedia

   en.wikipedia.org/wiki/Cured-in-place_pipe

   As one of the most widely used rehabilitation methods, CIPP has applications in sewer, water, gas, chemical and district heating pipelines ranging in diameter from 0.1 to 2.8 meters (2–110 inches). The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair.

4. Sanitary sewer - Wikipedia

   en.wikipedia.org/wiki/Sanitary_sewer

   Stoneware sanitary sewer (bottom) submerged in trash and fecalia. Sanitary sewer overflow can occur due to blocked or broken sewer lines, infiltration of excessive stormwater or malfunction of pumps. In these cases untreated sewage is discharged from a sanitary sewer into the environment prior to reaching sewage treatment facilities. To avoid ...

5. Six area water and sewer infrastructure projects to receive ...

   www.aol.com/six-area-water-sewer-infrastructure...

   Atwood Regional Water and Sewer District (Carroll County) will receive a $335,000 grant to replace pump station No. 125. The existing pump station is more than 20 years old and has exceeded its ...

6. Sewerage - Wikipedia

   en.wikipedia.org/wiki/Sewerage

   Map of London sewer network, late 19th century. Sewerage (or sewage system) is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers. It encompasses components such as receiving drains, manholes, pumping stations, storm overflows, and screening chambers of the combined sewer or sanitary sewer.

7. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]