[Bldg-sim] SPAM-MED: LEED NC: Existing or New Building

Jorge Torres-Coto jtorres-coto at mbo1.com
Fri Jul 8 07:59:53 PDT 2011


You use the existing building criteria for % and points in LEED if your
existing portion is greater than  half of the whole project sq.ft. (existing
+ addition).  

 

Jorge E. Torres Coto   

4830 Viewridge Ave.

San Diego, CA 92123

p              858.751.0933

f              858.751.0937

c              858.688.6088



  _____  

From: Rob Hudson [mailto:rdh4176 at gmail.com] 
Sent: Friday, July 08, 2011 7:52 AM
To: jtorres-coto at mbo1.com
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: SPAM-MED: [Bldg-sim] LEED NC: Existing or New Building

 

Yes, I agree that i should use the existing envelope for the existing
conditions of the existing building and the ASHRAE Min for the new building.
But it comes down to whether EA Credit 1 follows the new building % or the
existing building %.  it is a 2 point difference that could effect
strategies for saving energy later in the design.

 

Rob

 

On Fri, Jul 8, 2011 at 10:44 AM, Jorge Torres-Coto <jtorres-coto at mbo1.com>
wrote:

The baselines for the existing portion are what is there now.

 

The baselines for the new portion (addition) are ASHRAE definitions.

 

This should help considerably in your overall energy efficiency gains.

 

It all comes down to % new vs. % existing, on how much you can gain.

 

Jorge E. Torres Coto   

4830 Viewridge Ave.

San Diego, CA 92123

p              858.751.0933

f              858.751.0937

c              858.688.6088



  _____  

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Rob Hudson
Sent: Friday, July 08, 2011 7:32 AM
To: bldg-sim at lists.onebuilding.org
Subject: SPAM-MED: [Bldg-sim] LEED NC: Existing or New Building

 

I have a unique situation where the architect is taking an existing building
and majorly renovating it (definition of major per LEED is HVAC, envelope
and interior spaces) and then building an addition which is roughly the same
size of the existing building, give or take a 1000 sqft.

 

Has anyone run into this before or have any insight that might help me
explain which avenue to take to my boss?  I am currently thinking new
building, but if it was existing then that helps me even more.

-- 
Rob Hudson




-- 
Rob Hudson

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