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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This is a very important point that is often forgotten in simulation modeling. The computer is a strange object and if you tell the computer to put one occupant for every 100ft2, then is does just that and the related ventilation air and cooling (or heating).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I usually request the architect provide me with the occupation calculations for the elevators and cafeteria and also the Fire Marshall rating for building occupancy. These numbers are typically around 70% of the simulation program occupants. The occupancy density in the program and therefore be adjusted to match this.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>How this could be interpreted in 90.1 I will leave up to any following discussions?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Peter Simmonds, Ph.D. </span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><br></span><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:gray'>Senior Associate<br>Head of the Advanced Technology Group<br></span></b><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>IBE Consulting Engineers</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><br></span><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:gray'>14130 Riverside Drive, Suite 201</span></b><span style='color:#1F497D'><br></span><b><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:gray'>Sherman Oaks, CA 91423 <br>p: (818) 377-8220 x246 m: (818) 219-1284 f: (818) 377-8230<br><br></span></b><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><a href="http://www.ibece.com/" title="http://www.ibece.com/"><span style='font-family:"Calibri","sans-serif";color:gray;text-decoration:none'>www.ibece.com</span></a><br></span></b><b><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:gray'>Ideas for the built environment</span></i></b><span style='color:#1F497D'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Times","serif";color:#1F497D'>This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Brian Tysoe [mailto:BTysoe@mcw.com] <br><b>Sent:</b> Wednesday, December 08, 2010 6:50 AM<br><b>To:</b> 'bldg-sim@lists.onebuilding.org'<br><b>Subject:</b> [Bldg-sim] Occupancy<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hello all,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I have a question about occupancy schedules for energy models.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Generally the owner will provide peak occupancy numbers on a room-by-room basis; and a peak overall occupancy number for the entire building. Inevitably the room-by-room numbers will add up to significantly more than the overall building number.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Which numbers should be used for the energy model? Would you use the room-by-room number and scale them down with the occupancy schedule based on the overall occupancy?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Obviously, this has a significant impact on the results.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><strong><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'>Brian Tysoe </span></strong><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'>M.A.Sc., P.Eng., LEED AP </span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'>Mechanical Engineer </span></i><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://www.mcw.com" title="Click here to visit www.mcw.com"><em><b><span style='font-family:"Arial","sans-serif";color:green;text-decoration:none'>MCW Consultants Ltd. </span></b></em></a><o:p></o:p></span></p><p class=MsoNormal><em><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'>600-156 Front Street West </span></em><i><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'><br><em><span style='font-family:"Arial","sans-serif"'>Toronto, ON M5J 2L6 </span></em><br><em><span style='font-family:"Arial","sans-serif"'>Phone 416-598-2920 </span></em><br><em><span style='font-family:"Arial","sans-serif"'>Fax 416-598-5394 </span></em></span></i><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'>This e-mail may be privileged and confidential. Any unauthorized use is strictly prohibited. If you received this e-mail in error, please contact the sender directly. </span></i><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>