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  • Users: comphvac
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  1. comphvac

    Difference between sets of filters and filter sets

    I am a foreigner would like to under the difference between sets of filters and filter sets? Are similar or same? Thank you
  2. comphvac

    Light Hazard - Pre K School

    I have a sprinkler contractor designed a 2 inches main for entire building (approximately 120 sprinkler heads). It is no a loop system! Is the sprinkler need to be sized per NFPA table 22.5.2.2.1? It appears to me that at least 4" main need for entire building. Thank you.
  3. comphvac

    Fire Flow Calculations

    Would you all give me suggestions how to size the fire pumps for the below criteria Given: 1. Draw water from canal 2. Pump station to be located 200 feet from the most hydrant 3. 3 buildings (total sqft 35,000) 4. Light hazard 5. The civil engineer layout the route with 6" DIP 6. all 3...

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