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  2. East Side Big Pipe - Wikipedia

    en.wikipedia.org/wiki/East_Side_Big_Pipe

    The pipe in the tunnel has an inside diameter of 22 feet (6.7 m). [4] The East Side tunnel was the largest sewer construction project ever undertaken by the City of Portland. A contractor, Kiewit-Bilfinger Berger (KBB), used a tunnel boring machine that was 300 feet (91 m) long and had a cutting head that was 25 feet (7.6 m) in diameter. In ...

  3. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    Interior of a large sanitary sewer viewed from an access manhole chamber. In the developed world, sewers are pipes from buildings to one or more levels of larger underground trunk mains, which transport the sewage to sewage treatment facilities. Vertical pipes, usually made of precast concrete, called manholes, connect

  4. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    Map of Seattle sewer districts, 1894. The main part of such a system is made up of large pipes (i.e. the sewers, or "sanitary sewers") that convey the sewage from the point of production to the point of treatment or discharge. Sewers under construction in Ystad, Sweden. Types of sanitary sewer systems that all usually are gravity sewers include:

  5. City sewer rates could hike 4% over next four years to pay ...

    www.aol.com/city-sewer-rates-could-hike...

    Jul. 2—Santa Fe's wastewater rates will need to increase by about 4% a year for the next four years to help pay for a new wastewater treatment plant and support increased operating costs ...

  6. Prestressed concrete cylinder pipe - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete...

    Prestressed concrete cylinder pipe (PCCP) is a common variety of large-diameter concrete pressure pipe used for transporting water and wastewater. PCCP is typical manufactured according to the American Water Works Association (AWWA) standard C304. [ 1 ]

  7. Facing $100 million in costs to replace lead pipes, Newport ...

    www.aol.com/facing-100-million-costs-replace...

    In total, including administrative costs and costs to replace the water mains, Schultz estimated that the city could be facing anywhere from $100 million to $105 million.

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