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  2. Manhole cover - Wikipedia

    en.wikipedia.org/wiki/Manhole_cover

    The theft of manhole covers often increases when scrap metal prices are high. [18] [19] Manhole cover theft can be a serious problem in China, where missing manhole covers caused at least eight deaths in 2004. [20] According to China's Xinhua News Agency, about "240,000 manhole and street-drain covers were stolen in Beijing in 2004." [21]

  3. Sanitary sewer overflow - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer_overflow

    A manhole cover unable to contain a sanitary sewer overflow. ... estimates that at least 23,000 to 75,000 SSO events ... This cost would be in addition to ...

  4. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    A sanitary manhole under construction. 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 ...

  5. Answer Woman: Who makes the manhole covers with river ...

    www.aol.com/answer-woman-makes-manhole-covers...

    A reader asks for details about the Metropolitan Sewerage District's designed manhole covers. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways ...

  6. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    The larger line enters from the right and changes direction within the manhole to exit from the top of the photo. A smaller line enters from the bottom of the photo under the access steps. The concrete floor of the manhole has channels to minimize accumulation of solids. Interior of a large sanitary sewer viewed from an access manhole chamber.

  7. Does homeowners insurance cover septic tanks? - AOL

    www.aol.com/finance/does-homeowners-insurance...

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