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  2. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.

  3. California Senate Bill 54 (2017) - Wikipedia

    en.wikipedia.org/wiki/California_Senate_Bill_54...

    2017 California Senate Bill 54, commonly referred to as "SB 54" and also known as the "California Values Act" is a 2017 California state law that prevents state and local law enforcement agencies from using their resources on behalf of federal immigration enforcement agencies. [1]

  4. Geosynthetics - Wikipedia

    en.wikipedia.org/wiki/Geosynthetics

    Applications of this function are in mechanically stabilized and retained earth walls and steep soil slopes; they can be combined with masonry facings to create vertical retaining walls. Also involved is the application of basal reinforcement over soft soils and over deep foundations for embankments and heavy surface loadings.

  5. Orangeburg pipe - Wikipedia

    en.wikipedia.org/wiki/Orangeburg_pipe

    Orangeburg was a low cost alternative to metal for sewer lines in particular. Lack of strength causes pipes made of Orangeburg to fail more frequently than pipes made with other materials. The useful life for an Orangeburg pipe is about 50 years under ideal conditions, but has been known to fail in as little as 10 years.

  6. California Highway Patrol - Wikipedia

    en.wikipedia.org/wiki/California_Highway_Patrol

    The California Highway Patrol (CHP) is the principal state police agency for the U.S. state of California. The CHP has primary patrol jurisdiction over all California highways and roads and streets outside city limits, and can exercise law enforcement powers anywhere within the state. The California Highway Patrol can assist local and county ...

  7. California's largest police group says rural departments need ...

    www.aol.com/news/californias-largest-police...

    Meanwhile, the Los Angeles Police Department, one of the state's largest forces, is losing more officers than it is graduating from the police academy. In 2021, California cities spent more than ...

  8. Mechanically stabilized earth - Wikipedia

    en.wikipedia.org/wiki/Mechanically_stabilized_earth

    The wall face is often of precast, segmental blocks, panels or geocells that can tolerate some differential movement. The walls are infilled with granular soil, with or without reinforcement, while retaining the backfill soil. Reinforced walls utilize horizontal layers typically of geogrids. The reinforced soil mass, along with the facing ...

  9. California State Police - Wikipedia

    en.wikipedia.org/wiki/California_State_Police

    The California State Police (CSP) was the state-level security police agency from 1887 to 1995 for the U.S. state of California. It merged with the California Highway Patrol in 1995. Founded on March 15, 1887, the police agency primarily served to protect the State Capitol Building , the governor and other state officials, and other state ...