<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Dear Shariq,<br>
<ol>
<li>Is it really true that the rating authority allows for a
different baseline than ASHRAE 90.1-2007 if the building is
"really old"?</li>
<li>What qualifies "really old"? <br>
</li>
<li>We are currently modeling a 6-storey, 1999 building in New
Delhi for a tenant client going for CI rating. The client will
occupy merely one half of a floor served by one AHU dedicated
for their use which is in turn served by a central chilled
plant. Correct me if I am wrong: For the rest of the building
spaces where our tenant client is NOT occupying, I reckon that
no matter what benchmark assumptions I presume -- whether it is
the actual "really old" inefficient one OR ASHRAE 90.1-2007 --
both the proposed building model and the baseline building model
should remain consistent!</li>
</ol>
Looking forward for your feedback and thanks in advance.<br>
Sincerely,<br>
Neeraj<br>
<br>
Neeraj Kapoor<br>
t: +91.99581.70018<br>
Kalpakrit Sustainable Environments Pvt. ltd.<br>
neeraj[at]kalpakrit[dot]com<br>
<br>
On 19-10-2010 01:22, <a class="moz-txt-link-abbreviated" href="mailto:Shariq_Ali@URSCorp.com">Shariq_Ali@URSCorp.com</a> wrote:
<blockquote
cite="mid:OF5CB0AD28.6019D817-ON852577C0.006C6D31-852577C0.006D19CB@urscorp.com"
type="cite">
<p>Genia<font size="2">,</font><br>
<font size="2">You'll have two models - and you will need to
model everything that the system serving your two floors is
serving - which is probably the rest of the building. If your
two floors are served by an AHU, and that AHU serves
everything - you must model everything.</font><br>
<br>
<font size="2">The first model will be your baseline model -
LEED CI allows you to either use your 90.1 ASHRAE baseline
building as this baseline,<font color="#3333ff"> OR if you are
in a really old really inefficient building, it allows you
to model the existing building as your baseline (before your
retrofits / modifications). </font>The purpose of this is
if you choose your location for your office well, say you go
into a LEED platinum building, your existing building is
amazing - and thus LEED CI allows you to use the 90.1 baseline
for your base model.</font><br>
<br>
<font size="2">The second model will be your proposed building.
Try to get the energy conservation measures incorporated very
early in the design. LEED CI can be difficult because your
hands are often tied because of existing building
parameters...</font><br>
<br>
<font size="2">My second LEED project (Our URS office in
Southfield Michigan) was LEED CI, it achieved Silver last year
so I know CI modeling pretty well.. email me if you have any
questions.</font><br>
<br>
<font size="2">-Shariq</font></p>
</blockquote>
<br></body></html>