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

Anne Juran juran at summerconsultants.com
Tue Jul 12 07:50:42 PDT 2011


You are correct – I just did a v2009 submission and the template did scale based on the percent renovated to addition.  I have 7 points with 23.6% energy cost savings with 72% new, 28% renovation.

 

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Dahlstrom, Aaron
Sent: Tuesday, July 12, 2011 10:27 AM
To: MatthewRLarson at Eaton.com; KFridgen at morrisonhershfield.com; jtorres-coto at mbo1.com; rdh4176 at gmail.com
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] SPAM-MED: LEED NC: Existing or New Building

 

 

The current LEED template includes an entry for “% new construction.”

 

If the template is as nifty as I would like to believe, it could scale the percentage thresh-holds to allocate points based on a pro-rated basis.

 

Anyone validate this?

 

Aaron Dahlstrom , PE, LEED® AP

In Posse – A subsidiary of AKF| 1500 Walnut Street, Suite 1414, Philadelphia, PA 19102 

d: 215-282-6753| m: 267-507-5470| In Posse: 215-282-6800| AKF: 215-735-7290

e: ADahlstrom at in-posse.com | in posse web: www.in-posse.com <http://www.in-posse.com/>  | akf web: www.akfgroup.com <http://www.akfgroup.com/> 

 

 

 

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of MatthewRLarson at Eaton.com
Sent: Monday, July 11, 2011 10:30 AM
To: KFridgen at morrisonhershfield.com; jtorres-coto at mbo1.com; rdh4176 at gmail.com
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] SPAM-MED: LEED NC: Existing or New Building

 

We have always used a pro-rated point scale based on floor areas as Kyle describes for USGBC and it has never been disputed.

 

Thanks,

 

Matthew Larson, LEED AP BD+C
Project Engineer

Energy Solutions Group

E M C Engineers, Inc.
Eaton’s Electrical Services & Systems 
143 Union Blvd, Suite 350
Lakewood, CO 80228
tel: +1 303 328-3419
mobile: +1 303 668-2511
fax: +1 303 974-1239

MatthewRLarson at Eaton.com 
www.eaton.com/energysolutions  

image001

 

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Kyle Fridgen
Sent: Friday, July 08, 2011 9:32 AM
To: jtorres-coto at mbo1.com; 'Rob Hudson'
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] SPAM-MED: LEED NC: Existing or New Building

 

The CaGBC allows using a pro-rated point scale based on the relative floor areas of new and existing.  Not sure if this is the same for USGBC.

 

Kyle

 

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Jorge Torres-Coto
Sent: Friday, July 08, 2011 11:00 AM
To: 'Rob Hudson'
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] SPAM-MED: LEED NC: Existing or New Building

 

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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