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RE: [EnergyPlus_Support] Existing Building, LEED NC



Norton usually tells me that cleantechanalytics.com is a malicious site.  Not sure why.

At 02:40 PM 8/2/2012, YuanLu Li wrote:


This reply is not the for the mail addressed.
 
I am curious if any other user is getting a similar virus block message on their PC.  I am using AVG free on my PC Windows Vista.
 
I have seen the same message  five or six times during the last few days. Does anyone recognize the website.
 
 Dr. Li  

 
To: bldg-sim@xxxxxxxxxxxxxxxxxxxxx; EnergyPlus_Support@xxxxxxxxxxxxxxx; equest-users@xxxxxxxxxxxxxxxxxxxxx
From: jeremiah@xxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 2 Aug 2012 12:15:33 -0700
Subject: [EnergyPlus_Support] Existing Building, LEED NC

 
Good day to all..

Working on modeling an existing building per 90.1 for LEED certification and can not find clear answers in the standard or users guide- and seeking of the advise of the Bidg-Sim community-
The building is basically a shell- the 6 inch tilt up concrete walls and concrete floor are the only things remaining un-changed. The building is installing new HVAC systems, a new roof, a new lighting systems, new skylights, new doors, new windows and insulating the existing walls. The space is 35,000 square feet, and beside another building. The building owners bought out their former neighbor and are expanding into their space, the space shares a wall with their current space.

  1. Adiabatic wall- Should it be Modeled with an adiabatic wall separating the "two" buildings (that are actually one building with a separating wall and separate address), or should the "other building" not seeking LEED certification be included in the model?
  2. Rotated average baseline- This is an existing building and orientation is set, so is this procedure still necessary or required by 90.1/LEED
  3. Baseline Constructions- Should the baseline reflect the walls as they where before renovation (Un insulated tilt up concrete walls/R-5 roof deck?) or should it use the ASHRAE light weight constructions with 2007 insulation for the climate, or should it use the actual constructions but add ASHRAE 2007 insulation?
  4. The HVAC system is a CAV, with convective natural gas heating and and DX cooling- roof top units, the baseline system for this should be system # 5 PVAV- or should the baseline HVAC system be what ever system was in the building before the renovation?

An advanced thank you goes out to all that respond-



Jeremiah D. Crossett
CleanTech Analytics
503-688-8951
www.cleantechanalytics.com

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