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  1. Greg06

    Shaft enclosure for HVAC Ducts penetrating floor

    bp99 If you are using a code based on the ICC system, you need to determine if the building is constructed using separated contruction or non-separated. Separated construction uses fire rated separations to define different areas in the building that use construction based on the individual...
  2. Greg06

    Ductwork Design Software

    LeaderP Elite Ductsize is a nice program. ACAD BAS also allows for exporting to Elite for duct run lenghts and fittings further decreasing information input effert. Elite also has converging and diverging fittings for supply and return systems. The software autosizes the ductwork and...
  3. Greg06

    Design - Quote

    Airforce2 I would recommend for smaller project that 6% and 10% stated above not be used. For small project the overhead of setting up drawings, files etc is high compared to larger project. The actual % of construction value may appoach 20%. I think there is a lot of free engineering...
  4. Greg06

    Cooling Tower - Low Water Cutoff

    KenRad, The low water switch I an intending to refer to is a safety limit switch. The intent is to shut down the condenser water pump and chiller served by the cooling tower in the event the cooling tower runs dry. I will not be providing sump heaters with this tower. Thank you, Greg
  5. Greg06

    Cooling Tower - Low Water Cutoff

    Hi, Does anyone have experiance using low water switch in a cooling tower basin? I can see the advantages of shutting off the condenser water pump if there is not water in the tower basen. On the other hand there is the potential for high maintance due to slug buildup in the tower basein...

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