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  1. Alpheus411

    Paving - 'leveling course' versus 'overlay'

    I am looking at a plan set where the entire roadway area (all very small local city owned roads in the southern US) is called out for a 'pavement overlay' of 1.5" of S-3 asphalt. On this same plan set some areas are also called out to have a 'leveling course' applied. (with a 1.5" minimum...
  2. Alpheus411

    Backflow preventer on existing 6" main

    I've seen a number of sites with domestic & fire on the same line, they use a dual service meter, also called a combined meter, bypass meter, fireline meter or simply master meter, such as this one: http://www.herseymeters.com/prod_fire.html Then they just connect it to whatever type of...
  3. Alpheus411

    Tapping sleeve & tapping tee

    This may sound asinine but on a set of utility construction & relocation plans I've come across the terms tapping sleeve and tapping tee used interchangably. Is it just a terminology difference or is there some real difference?

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