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I thought I'd add my two-bits here, because back in the late 1980's
(showing my age here...) I did a project for the Gas Research
Institute to develop prototypical multi-family building models in
which by necessity I took virtually the same approach as mentioned
in Table G3.1-9. <br>
<br>
I categorized all multi-family spaces into seven categories:<br>
top, middle, and bottom floors (differences here should be
obvious)<br>
middle- and end-units, where middle-units have adjoining units
on two sides while end-units have them only on one.<br>
internal hallways<br>
<br>
The following drawing shows how the 16 prototypical MF buildings are
modeled:<br>
<img alt=""
src="cid:part1.06000601.03020605@whiteboxtechnologies.com"
height="784" width="1005"><br>
<br>
In order to get rid of directional bias in solar loading, all spaces
are modeled with equal amounts of exterior walls and windows in each
of the cardinal orientations (Horrors! Don't try to do a DrawBDL
sketch of the model - but hey, we're talking here of prototypical
buildings. If you're doing a real building, then you should
distinguish the units by orientation - but otherwise the approach
works fine).<br>
<br>
What I like about this modular approach is that it makes it
extremely easy to tweak the numbers of floors and apartment units,
just by changing the multipliers applied to each space type. <br>
<br>
For those interested, the full GRI report is available on my web
site <a
href="http://www.whiteboxtechnologies.com/PAPERS/89_YJH_Multifamily_Prototypes_GRI-88-0239.pdf">here.</a><br>
<br>
<br>
Joe
<pre class="moz-signature" cols="90">Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
<a class="moz-txt-link-abbreviated" href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a>
<a class="moz-txt-link-freetext" href="http://weather.whiteboxtechnologies.com">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"
</pre>
<div class="moz-cite-prefix">On 10/26/2015 12:08 PM, Maria Karpman
wrote:<br>
</div>
<blockquote
cite="mid:018901d11021$a3c86700$eb593500$@karpmanconsulting.net"
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Sherif,<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
agree with Jim and Julien that each unit can be modeled as a
single block, and blocks facing the same exposure can be
aggregated. There is an example illustrating that in 90.1
User’s manual which I would reference in your response to
the reviewer.<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>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Arial-Black","sans-serif"">Thermal
Blocks in Multifamily<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Arial-Black","sans-serif"">Residential
Buildings (Table<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Arial-Black","sans-serif"">G3.1-9)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">Multifamily
residential buildings are<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">another
special case for the creation of<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">thermal
blocks. In general, each residential<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">space
must be treated as separate thermal<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">blocks</span><i><span
style="font-size:10.0pt;font-family:"Garamond-Italic","serif"">,
</span></i><span
style="font-size:10.0pt;font-family:"Garamond","serif"">except
that some combinations are<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">allowed.
Units all facing the same<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">orientation,
and having similar conditions<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">at
the top, bottom, and sides, may be<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">combined.
Similar corner units may be<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">combined,
and units with similar roof or<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">floor
loads may be combined (see Figure<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Garamond","serif"">G-E).</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><img id="Picture_x0020_1"
src="cid:part3.01080006.04000907@whiteboxtechnologies.com"
height="141" width="403"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><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>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In
addition, 90.1 User’s manual has a case study on applying
App G to a mixed use building which includes four floors
with apartment units. Apartments in the example are served
by four pipe fan coil systems, so I think it is reasonable
to assume that each room is a separate HVAC zone (i.e. each
room has a fan coil unit, and each unit is independently
controlled). The example does not describe the modeled
thermal blocks on residential floors, but DOE2 files for the
case study are available at ASHRAE website and are attached.
I don’t have DOE2.1 so couldn’t open the model, but glancing
through INP file it seems that they modeled one thermal
block per exposure plus corner units. Hopefully someone on
the list can open the model and confirm that. <o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Maria
<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><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>
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">Maria
Karpman </span></b><span
style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">LEED
AP, BEMP, CEM</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">________________</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">Karpman
Consulting<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#666666"><a
moz-do-not-send="true"
href="http://www.karpmanconsulting.net/"><span
style="color:blue"><a class="moz-txt-link-abbreviated" href="http://www.karpmanconsulting.net">www.karpmanconsulting.net</a></span></a>
</span><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#666666">Phone </span><span
style="font-size:7.5pt;font-family:"Helvetica","sans-serif";color:#666666;background:white">860.430.1909 </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">41C
New London Turnpike</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">Glastonbury,
CT 06033</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><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"">
Bldg-sim [<a class="moz-txt-link-freetext" href="mailto:bldg-sim-bounces@lists.onebuilding.org">mailto:bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Nicholas Caton<br>
<b>Sent:</b> Monday, October 26, 2015 1:52 PM<br>
<b>To:</b> Julien Marrec; Sherif Farag<br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Thermal Blocks in
Multifamily Residential Buildings<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">My
strongest advice: Good reviewers do not consider themselves
“un-convincible” but some effectively are when your own
time/ability constraints come into play. Weigh your
interactions so far with this individual, and decide if you
are better off “biting the bullet” and just doing what’s
been asked, as in such a case any discussions on this list
won’t change your situation and will only lose you time.</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">That
said…</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">I
expect your simplification to one block per unit is *<b>probably</b>*
appropriate, based on my general experience with multifamily
projects of varying types. I’m the sort of personality that
tends to err on the side of “too much detail,” and I have
constructed residential simulations similar to what your
reviewer is prescribing to find the added complexity did not
ultimately contribute to my confidence in the results. </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">Your
reviewer is not incorrect however to point out that the
actual design, in reality, does have multiple thermostats
and in a literal sense has more than one zone per apartment
unit. Your reviewer and your project are in a grey area.
Take note Sections 7 and 9 are not mutually exclusive:
Section 9 prescribes “at least” one zone per multifamily
unit in the same sentence that allows for combining all
units with a common perimeter orientation to be combined. I
wish I could tell you 90.1 is clear as day on this front and
that Section 9 “trumps” Section 7 for multifamily, but I
don’t think I can make that case for a reviewer who is
convinced otherwise.</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">Whether
the reviewer is “right” or “reasonable” to suggest you break
apart the zones and distinguish the occupancy schedules
(independent of what 90.1 says) is too context-dependent a
question for anyone to answer absolutely over this mailing
list (and is ultimately a subjective question anyway),
though Julien is asking the right questions to provide an
informed opinion. That you have a multi-zone arrangement in
the actual design suggests somebody felt it would at least
improve comfort (not necessarily save energy), which in turn
suggests you’ve some expected substantial variance in
perimeter vs. core loads, <i>possibly</i> internal loads as
well. Whether such skin load variances and/or
occupant-borne heat scheduling should have a meaningful
impact on system energy consumption is going to depend on
the system(s) itself, the occupant density we’re talking
about, and perhaps especially just how easily heat
propagates between the zones (which drives questions like
“how big ARE these apartments?”).</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">Assuming
the reviewer’s directives would take much more time for the
full project and you still have a degree of uncertainty
yourself, I’d suggest performing a ‘sensitivity study’ on a
single apartment unit for your own benefit (and perhaps to
ultimately present to the reviewer). Run the simulation
once as you have approximated the combining the actual
zones/systems, then again with the prescribed level of
detail to match actual zoning, as though you were following
the guidance in Table G3.1 section 7. You can still freely
combine zones with common “living” vs. “sleeping”
designations, as requested. Ensure you have realistic
degrees of inter-zonal thermal transfer for that case. Also
be aware this is a “rabbit hole” problem that can easily be
overdone and unnecessarily eat up your time – so don’t feel
obligated to go the sidewalk’s edge. Just test the degree
of detail requested by the reviewer and no more.</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">Critique
the results for each run, consider/approximate the “scaled
up” impact of the difference in results for the project as a
whole, and see if you can demonstrate/convince yourself that
ultimately this is not a big deal by quantifying the
potential swing in the overall numbers. </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">If
this is something you feel motivated to try, I would advise
first starting a fresh conversation with your reviewer to
propose this sensitivity study/exercise (provide context:
explain the time-commitments involved). If you sense they
are not going to accept anything more than the detail
prescribed for the full simulation effort, consider it time
saved and just “bite the bullet” per my initial advice!</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">~Nick</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><b><span
style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:#002060">NICK
CATON, P.E.</span></b><span
style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><br>
</span><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#561782">Owner</span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#561782"> </span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#561782">Caton
Energy Consulting</span></b><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black"><br>
</span><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
306 N Ferrel</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
Olathe, KS 66061</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
office: 785.410.3317</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#561782"><a
moz-do-not-send="true" href="www.catonenergy.com"><span
style="color:#561782"><a class="moz-txt-link-abbreviated" href="http://www.catonenergy.com">www.catonenergy.com</a></span></a></span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
Bldg-sim [mailto:<a moz-do-not-send="true"
href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Julien Marrec<br>
<b>Sent:</b> Monday, October 26, 2015 2:25 AM<br>
<b>To:</b> Sherif Farag<br>
<b>Cc:</b> <a moz-do-not-send="true"
href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Thermal Blocks in
Multifamily Residential Buildings</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Sherif,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Is it a local incentive program or your
national energy code or something?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">I don't know quite yet how to convince
this person, but if you could give us a few pointers about
your project it may help.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Can you describe the HVAC system very
briefly? What's your heating and cooling system and how is
it controlled? And do the residents have fully manual
control over the temperature? Do the residents pay for the
utility bills?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
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<p class="MsoNormal">Also, how big are your apartments?<o:p></o:p></p>
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<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Julien<br>
<br>
Envoyé de mon iPhone<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
Le 26 oct. 2015 à 07:31, Sherif Farag <<a
moz-do-not-send="true" href="mailto:sherif.sabr@gmail.com"><a class="moz-txt-link-abbreviated" href="mailto:sherif.sabr@gmail.com">sherif.sabr@gmail.com</a></a>>
a écrit :<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal">Hi Julien,<o:p></o:p></p>
<div>
<p class="MsoNormal">No, it is not a LEED project;<o:p></o:p></p>
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<div>
<p class="MsoNormal">I tried to convince the assessor but
with no success, any advice? basically he doesn’t agree
with my interoperation and wants to see a clear
document.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">appreciate your help.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Thanks & Regards; <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Sherif<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal">On Oct 26, 2015, at 2:06 AM,
Julien Marrec <<a moz-do-not-send="true"
href="mailto:julien.marrec@gmail.com">julien.marrec@gmail.com</a>>
wrote:<o:p></o:p></p>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">Is this a LEED project?<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Long story short, no I
don't think this is a reasonable comment.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">One block per apartment is
common practice, and you can merge block if
their share a similar orientation.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Julien<br>
<br>
Envoyé de mon iPhone<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="margin-bottom:12.0pt"><br>
Le 25 oct. 2015 à 13:01, Sherif Farag <<a
moz-do-not-send="true"
href="mailto:sherif.sabr@gmail.com"><a class="moz-txt-link-abbreviated" href="mailto:sherif.sabr@gmail.com">sherif.sabr@gmail.com</a></a>>
a écrit :<o:p></o:p></p>
</div>
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style="margin-top:5.0pt;margin-bottom:5.0pt">
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<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">Dear
Modellers;</span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif""> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">I
am modelled a multifamily residential
building with thermal blocks
following ASHRAE 90.1:2007 Table G3.1
<u>item 9</u>. but I received a
comment from the reviewer asking me to
follow Table G3.1 <u>item 7a</u> and
justified the comment because the
living areas and bedroom areas having
different occupancy profiles, he also
suggested that (to simplify the
profiles) the occupants are in the
living space from 1800hrs to 2400hrs
and in the bedroom spaces 0000hrs to
0800hrs.</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif""> </span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">Is
this a reasonable comment?</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">Did
anybody here had a similar experience?</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif""> </span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">I
will appreciate your feedback &
recommendations.</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif""> </span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif"">Thanks
& Regards; </span><o:p></o:p></p>
</div>
<div>
<div>
<p class="MsoNormal"><span
style="font-family:"HelveticaNeue","serif""> </span><o:p></o:p></p>
</div>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
moz-do-not-send="true"
name="SafeHtmlFilter__MailAutoSig"><b><span
style="font-family:"HelveticaNeue","serif"">Sherif
Farag</span></b></a><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-family:"HelveticaNeue","serif"">Sustainability
Consultant</span></b><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-family:"HelveticaNeue","serif"">P.O.
Box: 127842</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-family:"HelveticaNeue","serif"">Abu
Dhabi, UAE</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-family:"HelveticaNeue","serif"">M: +971
55 199 0022 | E: <a
moz-do-not-send="true"
href="mailto:sherif.sabr@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:sherif.sabr@gmail.com">sherif.sabr@gmail.com</a></a> |
Skype ID: sherif.farag9</span><o:p></o:p></p>
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<blockquote
style="margin-top:5.0pt;margin-bottom:5.0pt">
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