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  1. ap76

    How to charge tenants for water bill

    In many states, individual metering of water/sewer and the like requires you to be under the umbrella of that state's public utility commission. The local water authority may be able to work out an arrangement to meter an bill your tenants directly if the lease doesn't prohibit this. However...
  2. ap76

    Thust Block

    yes you are correct, this term refers to changes that are visible only on the profile sheet
  3. ap76

    Gate Valves

    AWWA C515 covers larger gate valves, but I agree that the largest AWWA conforming RW GV is 48". I believe you can still get Double disc as large as 72" http://www.charlesfinchvalve.com/ard.htm
  4. ap76

    Butterfly or Gate Valve for 30"diameter?

    Also to consider that a gate valve can be rebuilt without removing it from the line. An MJ butterfly valve cannot. My experience with BFVs is that they usually fail in the open position, and therefore are useless when you really need them. The only way to make the valve servicable is to use a...
  5. ap76

    How to clean large diameter water mains?

    generally it is specified at no direct pay. NOTE: make sure you are not using a butterfly valve in this line. only a gate valve or other similar full port valve will work
  6. ap76

    Blowoff Valve on Water Main

    I don't see where you would need to throttle a 6" valve to drain a 72" main. It is going to take a long time to bleed pressure off of a main that large with a valve that small. The last application of a drain gate valve that I was involved in we used a 12" valve to drain a 48" main. With...
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