https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-differenten-USTelligent Community 12https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-differentMon, 24 Aug 2020 09:13:48 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Shane Reganhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsCurrent Revision posted to Hevacomp Wiki by Shane Regan on 8/24/2020 9:13:48 AM<br /> <table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td width="30%" style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i (N/A)</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p style="text-align:justify;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</p> <p style="text-align:justify;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.<a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/NewLogo.png"><img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: SBEM, Hevacomp Mechanical Designer, PartL, Occupancy Levels, Gains</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/9Thu, 03 Nov 2016 15:09:08 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 9 posted to Hevacomp Wiki by Duncan Brown on 11/3/2016 3:09:08 PM<br /> <table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td width="30%" style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i (N/A)</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p style="text-align:justify;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</p> <p style="text-align:justify;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.<a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/NewLogo.png"><img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: SBEM, Hevacomp Mechanical Designer, PartL, Occupancy Levels, Gains</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/8Tue, 17 Mar 2015 11:40:18 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Stephen Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 8 posted to Hevacomp Wiki by Stephen Brown on 3/17/2015 11:40:18 AM<br /> <h1><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /></b></h1> <table style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p style="text-align:justify;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</p> <p style="text-align:justify;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.<a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a></p> <hr style="width:100%;" /> <p style="text-align:center;"><span style="color:#800000;"><strong>For an important note on the PartL calculation, please <a href="/products/building/performance/w/building_performance__wiki/15986.an-important-note-on-the-partl-calculation.aspx"><span style="color:#800000;">click here</span></a></strong></span></p> <hr style="width:100%;" /> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/7Tue, 10 Mar 2015 15:34:25 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Shane Reganhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 7 posted to Hevacomp Wiki by Shane Regan on 3/10/2015 3:34:25 PM<br /> <h1><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /></b></h1> <table style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p style="text-align:justify;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</p> <p style="text-align:justify;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.<a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a></p> <hr style="width:100%;" /> <p style="text-align:center;"><span style="color:#800000;"><strong>For an important note on the PartL calculation, please <a href="/products/building/performance/w/building_performance__wiki/15986.an-important-note-on-the-partl-calculation.aspx"><span style="color:#800000;">click here</span></a></strong></span></p> <hr style="width:100%;" /> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/6Tue, 09 Dec 2014 12:01:31 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 6 posted to Hevacomp Wiki by Duncan Brown on 12/9/2014 12:01:31 PM<br /> <p><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" /></b></p> <table align="left" style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>All</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <h1>Overview</h1> <p style="text-align:justify;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</p> <p style="text-align:justify;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.<a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a></p> <hr style="width:100%;" /> <p style="text-align:center;"><span style="color:#800000;"><strong>For an important note on the PartL calculation, please <a href="/products/building/performance/w/building_performance__wiki/15986.an-important-note-on-the-partl-calculation.aspx"><span style="color:#800000;">click here</span></a></strong></span></p> <hr style="width:100%;" /> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/5Mon, 21 Jul 2014 11:22:49 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 5 posted to Hevacomp Wiki by Duncan Brown on 7/21/2014 11:22:49 AM<br /> <p><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" /></b></p> <table align="left" style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>All</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <h1>Overview</h1> <p style="text-align:justify;"><span style="font-size:small;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</span></p> <h1 style="text-align:justify;">Method</h1> <p style="text-align:justify;"><span style="font-size:small;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</span></p> <p style="text-align:justify;"><span style="font-size:small;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.</span><br /><a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg"><img style="margin-right:auto;margin-left:auto;display:block;" alt=" " src="/resized-image.ashx/__size/690x0/__key/communityserver-wikis-components-files/00-00-00-00-18/7128.occupancy.jpg" border="0" /></a></p> <hr style="width:100%;" /> <p style="text-align:center;"><span style="color:#800000;"><strong>For an important note on the PartL calculation, please <a href="/products/building/performance/w/building_performance__wiki/15986.an-important-note-on-the-partl-calculation.aspx"><span style="color:#800000;">click here</span></a></strong></span></p> <hr style="width:100%;" /> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/4Mon, 21 Jul 2014 11:21:22 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 4 posted to Hevacomp Wiki by Duncan Brown on 7/21/2014 11:21:22 AM<br /> <p><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" /></b></p> <table align="left" style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>All</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <h1>Overview</h1> <p style="text-align:justify;"><span style="font-size:small;">Occupancy levels that are defined within CAD input are overwridden by the NCM database.</span></p> <h1>Method</h1> <p><span style="font-size:small;">The SBEM calculation engine ignores user defined occupancy levels in order to ensure consistent comparison between buildings. Building and activity types are taken from Design Database and compared to tables in the NCM database, ultimately providing occupancy densities, profiles and latent gains for the SBEM calculation engine.</span></p> <p><span style="font-size:small;">Internal heat gains are calculated from occupancy conditions and metabolic rates, which are in turn taken from the NCM database. For e.g.</span></p> <p><span style="font-size:small;"><a href="/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-00-18/occupancy.jpg"></a></span></p> <p><span style="font-size:small;"></span></p> <p><span style="font-size:small;"></span>&nbsp;</p> <p><span style="font-size:small;">To see how occupancy levels and heat gains are calcualtde, click <a href="/products/building/performance/m/building_performance_gallery/179153/download.aspx&gt;">here</a></span></p> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/3Wed, 26 Jun 2013 19:18:52 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Elisabeth Pryhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 3 posted to Hevacomp Wiki by Elisabeth Pry on 6/26/2013 7:18:52 PM<br /> <p><b><img style="border-width:0px;" alt="" src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" width="189" height="60" /></b></p> <table style="border:0px solid #dce5f0;width:500px;background-color:#dce5f0;" border="0" align="left"> <tbody> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><b>&nbsp;</b></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><b>&nbsp;</b></td> <td style="text-align:right;"><span style="font-size:medium;"><b>Applies To&nbsp;</b></span></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Product(s):</strong></td> <td>Hevacomp Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>All</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:&nbsp;</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Original Author:</strong></td> <td>Bentley Technical Support Group</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td></td> <td></td> </tr> </tbody> </table> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <h1>Overview</h1> <p style="text-align:justify;"><span style="font-size:small;">Occupancy levels that are defined within CAD input are overwridden by the SBEM calculation engine.</span></p> <h1>Method</h1> <p><span style="font-size:small;">To see how occupancy levels and heat gains are calcualtde, click <a href="/products/building/performance/m/building_performance_gallery/179153/download.asp">&quot;&gt;here</a></span></p> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L, SELECTservices, Hevacomp Mechanical Designer, TechNote, Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/2Tue, 17 Jul 2012 09:13:55 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 2 posted to Hevacomp Wiki by Duncan Brown on 7/17/2012 9:13:55 AM<br /> <p><a href="http://selectservices.bentley.com/en-US"><img border="0" src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" width="175" height="56" alt="" /></a></p> <h1>Document Information</h1> <blockquote> <p><strong>Document Type:</strong> TechNote</p> <p><strong>Product(s):</strong> Hevacomp Mechanical Designer</p> <p><strong>Version(s):</strong> All</p> <p><strong>Original Author:</strong> Bentley Technical Support Group</p> </blockquote> <h1>Overview</h1> <p style="text-align:justify;"><span style="font-size:small;">Occupancy levels that are defined within CAD input are overwridden by the SBEM calculation engine.</span></p> <h1>Method</h1> <p><span style="font-size:small;">To see how occupancy levels and heat gains are calcualtde, click <a href="/products/building/performance/m/building_performance_gallery/179153/download.asp">&quot;&gt;here</a></span></p> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L Occupancy Levels</div> https://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different/revision/1Tue, 17 Jul 2012 09:12:58 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0ae95d9e-34a1-42da-833a-829641ea0d31Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/5687/occupancy-gains-may-appear-different#commentsRevision 1 posted to Hevacomp Wiki by Duncan Brown on 7/17/2012 9:12:58 AM<br /> <p><a href="http://selectservices.bentley.com/en-US"><img border="0" src="/Other/Old_Site_Files/Bentley_Folders/m/support/17560/download.aspx" width="175" height="56" alt="" /></a></p> <h1>Document Information</h1> <blockquote> <p><strong>Document Type:</strong> TechNote</p> <p><strong>Product(s):</strong> Hevacomp Mechanical Designer</p> <p><strong>Version(s):</strong> All</p> <p><strong>Original Author:</strong> Bentley Technical Support Group</p> </blockquote> <h1>Overview</h1> <p style="text-align:justify;"><span style="font-size:small;">Occupancy levels that are defined within CAD input are overwridden by the SBEM calculation engine.</span></p> <h1>Method</h1> <p><span style="font-size:small;">To see how occupancy levels and heat gains are calcualtde, click <a href="/products/building/performance/m/building_performance_gallery/179153/download.asp">&quot;&gt;here</a></span></p> <h1>See Also</h1> <p><a href="/Products/w/Products__Wiki/product-technotes-and-faqs.aspx">Product TechNotes and FAQs</a></p> <p><a href="/Products/Building/w/Building__Wiki/building-product-technotes-and-faqs.aspx">Building Product TechNotes And FAQs</a></p> <h1>External Links</h1> <p><a href="http://www.bentley.com/">Bentley homepage</a></p> <p><a href="http://www.bentley.com/en-US/Products/Hevacomp+Mechanical+Designer/">HevacompMechanical Designer</a></p> <p><a href="http://appsnet.bentley.com/kbase/">Bentley Technical Support KnowledgeBase</a></p> <p><a href="http://lms.bentley.com/">Bentley LEARN Server</a></p> <h1>Comments or Corrections?</h1> <p>Bentley&#39;s Technical Support Group requests that you please confine any comments you have on this Wiki entry to this &quot;Comments or Corrections?&quot; section. THANK YOU!</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Part L Occupancy Levels</div>