I'm just finishing up the LEED energy modeling for a manufacturing plant where the unregulated process loads (compressed air, manufacturing tools, producing de-ionized water, etc.) is 76% of the total energy cost. We're able to achieve the required 10% savings over 90.1-2007 (for LEED 2009) with an extremely efficient chiller plant, aggressive daylighting and lighting controls, heat recovery, and on site PV. We're submitting an exceptional calculation method for process load savings because we've recovered enough heat from the compressed air to completely eliminate the need for the process heating, and used more efficient tools. If the ECM gets accepted, we could get 3 more energy points, but we're planning on having to meet the required 10% without any ECMs.<br>
<br>One interesting thing that I discovered - ASHRAE 90.1-2007 is a bit more forgiving on manufacturing facilitieis because of the revised fan power calcs that let you take additional static pressure allowances for many things. If you're under LEED 2.2 and want to use 90.1-2004, I would strongly recommmend at least using the addenda that picks up this fan power change.<br>
<br><br>-- <br>Kendra Tupper<br>Senior Consultant<br>Built Environment Team<br><br>Rocky Mountain Institute | T 303-567-8641 | F 303-245-7213 | <a href="http://www.rmi.org">www.rmi.org</a><br><br><div class="gmail_quote">
On Thu, May 21, 2009 at 7:33 AM, Ramana Koti <span dir="ltr"><<a href="mailto:ramana.koti@gmail.com">ramana.koti@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div bgcolor="#FFFFFF"><div>If you look up Credit Interpretation Requests on EA Cr1, you'll see that an alternate compliance path can be proposed that's specific to your manufacturing facility, especially for end uses not regulated by Ashrae 90.1. </div>
<div><br></div><div>You'd probably still have to include all end uses.</div><div><br></div><font color="#888888"><div>Ramana. <br><br><br></div></font><div class="im"><div><br>On May 21, 2009, at 4:39 AM, <a href="mailto:cic@jci.com" target="_blank">cic@jci.com</a> wrote:<br>
<br></div><div></div></div><div><div></div><div class="h5"><blockquote type="cite"><div>
<br><font size="2" face="sans-serif">Dear All,</font>
<br>
<br><font size="2" face="sans-serif">Refer the following data. </font>
<br>
<br><font size="2" face="sans-serif">A manufacturing building has the
following area</font>
<br>
<br><font size="2" face="sans-serif">Common area,office area
= 22% of the building area which
contribute 13% of a/c requirement</font>
<br><font size="2" face="sans-serif">Manufacturing area (clean room++)
= 57% of the building
area which contribute 87% of a/c requirement</font>
<br><font size="2" face="sans-serif">Un air-conditioned area
= 21% of the building
area.</font>
<br>
<br><font size="2" face="sans-serif">Now this building needs LEED Certification.
</font>
<br>
<br><font size="2" face="sans-serif"> To achieve EA Credit1, whether
the clean room load(process) needs to be considered in baseline design
during modelling? or only we need to consider the common area+office area+Unconditioned
area.</font>
<br>
<br><font size="2" face="sans-serif">Advance thanks for your valuable feedback.</font>
<br>
<br><font size="2" face="sans-serif">Thanks and regards</font>
<br><font size="2" face="sans-serif">Kathiresan</font>
<br>
<br>
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