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HASS v8.3

HASS v8.31. The 2007 NFPA 13 Standard has indicated the roughness values for piping in inches rather than feet as shown in previous NFPA standards and used in previous HASS releases. The Darcy Pipe Table shipped with this release of HASS has adjusted the values accordingly; however, this does not update existing dws files to the new roughness values, only to the new units. Please verify the roughness values on your existing dws files. 2. A new feature for calculating an equivalent pipe for a complex system such as a grid has been included in the utilities. Please see the help file for Complex System Pipe Equivalent. 3.a. The discharge coefficients (k factors) for Darcy Weisbach calculations now have a...

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