When.com Web Search

  1. Ad

    related to: roof drain vs downspout leak symptoms checklist mayo clinic free continuing education

Search results

  1. Results From The WOW.Com Content Network
  2. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  3. Leader head - Wikipedia

    en.wikipedia.org/wiki/Leader_Head

    The purpose of a leader head is to help transfer excess water from the roof onto downspouts, thus preventing the gutters from overflowing and water washing over the walls, which is a common occurrence in areas susceptible to heavy rain cycles. The use of leader heads also offers other benefits to the drainage system.

  4. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    The water drains into a gutter that is fed into a downpipe. A flat roof should have a watertight surface with a minimum finished fall of 1 in 80. They can drain internally or to an eaves gutter, which has a minimum 1 in 360 fall towards the downpipe. [11] The pitch of a pitched roof is determined by the construction material of the covering ...

  5. Downspout - Wikipedia

    en.wikipedia.org/wiki/Downspout

    Downspouts are usually vertical and usually extend down to ground level, although may be routed at an angle to avoid architectural features and may discharge onto an intermediate roof. At the bottom of downspout there are typically features to divert discharged water away from the building's foundations to prevent water damage.

  6. Drainage law - Wikipedia

    en.wikipedia.org/wiki/Drainage_law

    Drainage law is a specific area of water law related to drainage of surface water on real property. It is particularly important in areas where freshwater is scarce, flooding is common, or water is in high demand for agricultural or commercial purposes.

  7. Rain roof - Wikipedia

    en.wikipedia.org/wiki/Rain_roof

    A rain roof is a second, newer roof that has been constructed over an existing roof that has failed, or which has inadequate slope to shed rain. Since such additional spaces may not be visible or accessible, the concealed void presents a particular hazard in firefighting operations, as a fire may develop or persist in such a space undetected.

  8. Cough? Sore throat? More schools suggest mildly sick kids ...

    www.aol.com/news/cough-sore-throat-more-schools...

    Trenace Dorsey-Hollins’ 5-year-old daughter was sick a lot last year. Dorsey-Hollins followed school guidelines and kept her home when she had a cough or a sore throat — or worse — until she ...

  9. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    A comprehensive construction inspection program is required to prevent inappropriate connection of cellar, yard, and roof drains to sanitary sewers. [12] The probability of inappropriate connections is higher where combined sewers and sanitary sewers are found in close proximity, because construction personnel may not recognize the difference.