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  1. Florida

    PVB Pressure Vacuum Breaker

    My question is: - Is it okay to use a PVB instead a check backflow preventer in an irrigation system that is connected to the potable water system??
  2. Florida

    MECHANICAL JOINTS??

    I HAVE TO CONNECT AN 8"DIAMETER DUCTILE IRON PIPE WITH AN 8" DIAMETER pvc PIPE. COULD SOMEBODY DESCRIBE THE CONNECTION AND ALL THE PARTS (FITTINGS) THAT I NEED TO USE TO DO THAT CONNECTION?? (GASKETS, TRANSITION GASKETS, COUPLINGS, ETC)- WHAT IS A MEGALOK?? OBS: IN THE CONNECTION...
  3. Florida

    POTABLE WATER MAIN CONSTRUCTION

    Mykolai answer makes a lot sense to me and I appreciate his help. I just would like to clarify one more thing in the same problem. The span of the water main under the road is a steady grade for approximately 35 feet (from road shoulder to road shoulder).. Can I just install an air rel. valve in...
  4. Florida

    POTABLE WATER MAIN CONSTRUCTION

    I HAVE TO DESIGN A WATER MAIN UNDER A ROAD THAT HAS DRAINAGE SWALES IN BOTH SIDES. THE SWALES ARE KIND OF DEEP. THE BOTTOM OF THE SWALE IS ABOUT 5 FEET BELLOW THE ROAD CENTERLINE ELEVATION. SHOULD I DESIGN THE WATER MAIN STRAIGHT FROM THE BOTTOM TO THE BOTTOM OF THE DITCHES OR SHOULD I GO ALONG...

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